Electricity and Magnetism, Italy, INRIM (Istituto ...kcdb.bipm.org/appendixC/EM/IT/EM_IT.pdf ·...

70
Calibration and Measurement Capabilities Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica) Quantity Instrument or Artifact Method of measurement Minimum value Maximum value Units Parameter Specifications Value Units Coverage factor Level of Confidence Is the expanded uncertainty a relative one? Uncertainty Matrix Comments NMI Service Identifier DC voltage sources: single values Voltage standard Comparison with standard cells 1 10 V 0.5 to 1 μV/V 2 95% Yes DCVstd Approved on 06 August 2013 1_3 DC voltage sources: low values Multifunction calibrator Voltage standard, resistive divider 1E-03 10 V 192 to 0.63 μV/V 2 95% Yes DCVsour_Lo wVal Approved on 06 August 2013 4 DC voltage sources: intermediate values Multifunction calibrator Voltage standard, resistive divider 10 1000 V 0.75 to 1.72 μV/V 2 95% Yes DCVsour_Int Val Approved on 06 August 2013 5 DC voltage meters: intermediate values Digital multimeter Direct with calibrator 1E-03 1000 V 347 to 1.21 μV/V 2 95% Yes DCVmet_Int Val Approved on 06 August 2013 8 DC voltage ratios: up to 1100 V Kelvin-Varley divider Self-calibration 1.00E-06 1 2.0E-07 2 95% No Approved on 06 August 2013 9 DC voltage ratios: up to 1100 V Resistive divider Comparison with reference divider 0.1 1 Input voltage 100 V 2.5E-07 2 95% Yes Approved on 06 August 2013 10 Ratio 0.1 to 1, by step of 0.1 DC voltage ratios: up to 1100 V Resistive divider Comparison with reference divider 0.01 1 Input voltage 1000 V 5.0E-07 2 95% Yes Approved on 06 August 2013 11 Ratio from 0.01 to 0.1 by step of 0.01 and from 0.1 to 1 by step of 0.1 DC resistance standards and sources: low values Fixed resistor Comparison by means of high current DCC bridge 0.1 100 mW Power 10 mW 2 to 15 μW/W 2 95% Yes DCResLowV al Approved on 06 August 2013 12_15 DC resistance standards and sources: intermediate values Fixed resistor Comparison by means of automatic DCC bridge 1 10000 W Power 10 mW 0.5 μW/W 2 95% Yes Approved on 06 August 2013 17 DC resistance standards and sources: intermediate values Fixed resistor Substitution using a multimeter 100 100 kW Voltage 10 V 2 μW/W 2 95% Yes Approved on 06 August 2013 19 Calibration or Measurement Service Measurand Level or Range Measurement Conditions/Independent Variable Expanded Uncertainty The BIPM key comparison database, April 2016 1/70

Transcript of Electricity and Magnetism, Italy, INRIM (Istituto ...kcdb.bipm.org/appendixC/EM/IT/EM_IT.pdf ·...

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

DC voltage

sources: single

values

Voltage standardComparison with

standard cells1 10 V 0.5 to 1 µV/V 2 95% Yes DCVstd

Approved on

06 August

2013

1_3

DC voltage

sources: low

values

Multifunction

calibrator

Voltage standard,

resistive divider1E-03 10 V 192 to 0.63 µV/V 2 95% Yes

DCVsour_Lo

wVal

Approved on

06 August

2013

4

DC voltage

sources:

intermediate

values

Multifunction

calibrator

Voltage standard,

resistive divider10 1000 V

0.75 to

1.72µV/V 2 95% Yes

DCVsour_Int

Val

Approved on

06 August

2013

5

DC voltage

meters:

intermediate

values

Digital multimeterDirect with

calibrator1E-03 1000 V 347 to 1.21 µV/V 2 95% Yes

DCVmet_Int

Val

Approved on

06 August

2013

8

DC voltage

ratios: up to 1100

V

Kelvin-Varley

dividerSelf-calibration 1.00E-06 1 2.0E-07 2 95% No

Approved on

06 August

2013

9

DC voltage

ratios: up to 1100

V

Resistive dividerComparison with

reference divider0.1 1 Input voltage 100 V 2.5E-07 2 95% Yes

Approved on

06 August

2013

10

Ratio0.1 to 1, by step

of 0.1

DC voltage

ratios: up to 1100

V

Resistive dividerComparison with

reference divider0.01 1 Input voltage 1000 V 5.0E-07 2 95% Yes

Approved on

06 August

2013

11

Ratio

from 0.01 to 0.1

by step of 0.01

and from 0.1 to 1

by step of 0.1

DC resistance

standards and

sources: low

values

Fixed resistor

Comparison by

means of high

current DCC bridge

0.1 100 mW Power 10 mW 2 to 15 µW/W 2 95% YesDCResLowV

al

Approved on

06 August

2013

12_15

DC resistance

standards and

sources:

intermediate

values

Fixed resistor

Comparison by

means of

automatic DCC

bridge

1 10000 W Power 10 mW 0.5 µW/W 2 95% Yes

Approved on

06 August

2013

17

DC resistance

standards and

sources:

intermediate

values

Fixed resistorSubstitution using

a multimeter100 100 kW Voltage 10 V 2 µW/W 2 95% Yes

Approved on

06 August

2013

19

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

The BIPM key comparison database, April 2016 1/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

DC resistance

standards and

sources:

intermediate

values

Fixed resistorSubstitution using

a multimeter1 1 MW Voltage 10 V 3 µW/W 2 95% Yes

Approved on

06 August

2013

20

DC resistance

standards and

sources: high

values

Fixed resistorSubstitution using

a multimeter10 10 MW Voltage 10 V 6 µW/W 2 95% Yes

Approved on

06 August

2013

21

DC resistance

standards and

sources: high

values

Fixed resistor

Calibrator and

multimeter or

Wheatstone bridge

1E+07 1E+14 W Voltage 10 V to 1000 V 15 to 660 µW/W 2 95% YesDCResHigh

Val

Approved on

06 August

2013

23_27

DC resistance

standards and

sources:

standards for

high current

DC shunt Volt-amperometric 10 10000 µW Current <= 800 A 0.5 mW/W 2 95% Yes

Approved on

06 August

2013

29

DC resistance

sources: multiple

ranges

Multifunction

calibrator

Standard resistor

and multimeter1 1E+08 W 1.3 to 24 µW/W 2 95% Yes DCRsour

Approved on

06 August

2013

30_35

DC resistance

meters: low

values

Digital multimeterDirect with

calibrator1 1 W 32 µW/W 2 95% Yes

Measuremen

t on the 10 W

range

Approved on

06 August

2013

36

DC resistance

meters:

intermediate

values

Digital multimeterDirect with

calibrator10 1E+08 W 3.2 to 60 µW/W 2 95% Yes

DCRmet_Int

Val

Approved on

06 August

2013

37_40

DC current

sources: low

values

Multifunction

calibrator

Standard resistor

and multimeter10 100 µA 7.5 to 4.5 µA/A 2 95% Yes

DCIsour_Lo

wVal

Approved on

06 August

2013

41

DC current

sources:

intermediate

values

Multifunction

calibrator

Standard resistor

and multimeter1E-04 10 A 2.7 to 29 µA/A 2 95% Yes

DCIsour_int

Val

Approved on

06 August

2013

42_44

The BIPM key comparison database, April 2016 2/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

DC current

meters: low

values

Current meterCharging of a

capacitor1E-14 1E-09 A 70 to 3000 µA/A 2 95% Yes LowCurr

Non-decadic

values

available

with

increased

uncertainty

Approved on

06 January

2015

300_304

DC current

meters: low

values

Current meterReference resistor,

voltage calibrator1 100 nA 430 to 780 µA/A 2 95% Yes

DCLowCurr

OhmLaw

Non-decadic

values

available

with

increased

uncertainty

Approved on

06 August

2013

305_307

DC current

meters: low

values

Digital multimeterDirect with

calibrator10 100 µA 16 to 98 µA/A 2 95% Yes

DCImet_Low

Val

Approved on

06 August

2013

45

DC current

meters:

intermediate

values

Digital multimeterDirect with

calibrator0.1 200 mA 9 to 78 µA/A 2 95% Yes

DCImet_IntV

al

Approved on

06 August

2013

46_47

AC resistance:

real componentFixed resistor Substitution 1 1E6 W Frequency 50 Hz to 10 kHz 25 to 40 µW/W 2 95% Yes Rac

Approved on

07 April 201650

Capacitance: low

loss capacitors

2-port or 4-port

standard capacitor

Transformer bridge

with substitution1 1000 pF Frequency 1.592 kHz 2 µF/F 2 95% Yes

Approved on

06 August

2013

51

Capacitance1 pF, 10 pF, 100

pF, 1000 pF

Capacitance: low-

loss capacitors

2-port or 3-

terminal capacitor

Automatic

capacitance bridge1 1000 pF Frequency 50 Hz to 20 kHz 7 to 176 µF/F 2 95% Yes C

Approved on

06 January

2015

52_55a

Capacitance:

dielectric

capacitors

2-port or 3-

terminal capacitor

Automatic

capacitance bridge10 1000 nF Frequency 50 Hz to 20 kHz 18 to 1499 µF/F 2 95% Yes C

Approved on

06 January

2015

52_55

Inductance: self

inductance,

intermediate

values

Fixed inductorThree-voltage

method0.001 1 H Frequency 1 kHz 15 to 29 µH/H 2 95% Yes L_3V

Approved on

06 January

2015

56

The BIPM key comparison database, April 2016 3/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

Inductance: self

inductance, low

values

Fixed inductor Substitution 100 100 µH Frequency 1 kHz 300 µH/H 2 95% Yes

Approved on

06 January

2015

57a

Inductance: self

inductance,

intermediate

values

Fixed inductor Substitution 0.001 1 H Frequency 1 kHz 50 to 100 µH/H 2 95% Yes L_sub

Approved on

06 January

2015

57b

Inductance: self

inductance, high

values

Fixed inductor Substitution 10 10 H Frequency 120 Hz 100 µH/H 2 95% Yes

Approved on

06 January

2015

57c

Inductance: self

inductance, high

values

Fixed inductorThree-voltage

method10 10 H Frequency 120 Hz 18 µH/H 2 95% Yes

Approved on

06 January

2015

58

AC voltage: AC-

DC transfer

difference at low

voltages

AC-DC transfer

standard

Transfer standards

and resistive

dividers

1 300 mV Frequency 40 Hz to 1 MHz 25 to 1000 µV/V 2 95% Yes ACDC_MV

Approved on

06 August

2013

59.a

AC voltage: AC-

DC transfer

difference at

medium voltages

AC-DC transfer

standard

Comparison with

reference standard 0.2 5 V Frequency 40 Hz to 1 MHz 4 to 50 µV/V 2 95% Yes ACDC_M1

Approved on

06 August

2013

66.a

AC voltage: AC-

DC transfer

difference at high

voltages

AC-DC transfer

standard

Comparison with

reference standard 5 1000 V Frequency 40 Hz to 1 MHz 5 to 100 µV/V 2 95% Yes ACDC_M1

Approved on

06 August

2013

73.a

AC voltage up to

1000 V: sources

Multifunction

calibrator

AC-DC transfer

standard1E-03 1000 V Frequency 20 Hz to 1 MHz 27 to 974 µV/V 2 95% Yes ACVsour

Approved on

06 August

2013

85_97

AC voltage up to

1000 V: metersAC voltage meter

AC-DC transfer

standard, DC

source

1 200 mV Frequency 40 Hz to 1 MHz 25 to 2954 µV/V 2 95% Yes ACV_M0

Approved on

06 January

2015

98_104

AC voltage up to

1000 V: metersAC voltage meter

AC-DC transfer

standard, DC

source

0.3 1000 V Frequency 40 Hz to 1 MHz 9 to 110 µV/V 2 95% Yes ACV_M1

Approved on

06 January

2015

105a

AC voltage up to

1000 V: metersDigital multimeter

Direct with

calibrator1E-03 1000 V Frequency 20 Hz to 1 MHz 38 to 2400 µV/V 2 95% Yes ACVmet

Approved on

06 August

2013

124_136

AC voltage ratio:

real component

Inductive voltage

divider

Comparison with

reference divider0.001 1 Voltage <= 100 V

1E-07 to

1E-062 95% No IVDreal

Approved on

06 August

2013

137_139

Frequency 400 Hz, 1000 Hz

The BIPM key comparison database, April 2016 4/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

AC voltage ratio:

imaginary

component

Inductive voltage

divider

Comparison with

reference divider0.1 1 Voltage <= 100 V

2E-07 to

2E-062 95% No IVDimag

Approved on

06 August

2013

138_140

Frequency 400 Hz, 1000 Hz

AC current: AC-

DC transfer

difference

AC-DC transfer

standard

Comparison with

reference standard0.0025 20 A Frequency

40 Hz to 100

kHz20 to 500 µA/A 2 95% Yes ACDC_I

Approved on

06 August

2013

141_146

AC current up to

100 A: sources

Multifunction

calibrator

AC-DC transfer

standard with

shunt, DC source

1E-05 2 A Frequency 20 Hz to 5 kHz 35 to 146 µA/A 2 95% Yes ACIsour

Approved on

06 August

2013

147_154

AC current up to

100 A: metersDigital multimeter

Direct with

calibrator1E-05 2 A Frequency 20 Hz to 5 kHz 61 to 358 µA/A 2 95% Yes ACImet

Approved on

06 August

2013

155_160

AC power and

energy: single

phase (f <= 400

Hz), active

power

Power converterComparison with

reference standard0 30000 W Voltage 1 V to 600 V 80 µW/VA 2 95% Yes

Approved on

06 August

2013

161

Current 0.05 A to 50 A

Frequency 50 Hz, 60 Hz

Power factor1 to 0, inductive

or capacitive

AC power and

energy: single

phase (f <= 400

Hz), active

power

Power converterComparison with

reference standard0 600 W Voltage 60 V to 120 V 50 µW/VA 2 95% Yes

Approved on

06 August

2013

162

Current 1 A to 5 A

Frequency 50 Hz, 60 Hz

Power factor1 to 0, inductive

or capacitive

High DC voltage:

high voltage

meters

DC kilovoltmeter,

dedicated set up

for high voltage

Comparison with

reference

measuring system

1 80 kV 22 µV/V 2 95% Yes

Approved on

06 August

2013

163

High DC voltage:

ratios

High voltage

resistive divider,

DC high voltage

probe

Comparison with

reference

measuring system

1E-05 0.1 Input voltage 1 kV to 80 kV 22E-06 2 95% Yes

Approved on

06 August

2013

164

Output voltage 0.8 V to 1000 V

The BIPM key comparison database, April 2016 5/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

High voltage

impedance:

capacitance

Compressed gas

capacitor,

capacitor for high

voltage

Comparison with

standard

compressed gas

capacitor

50 10000 pF Voltage 1 kV to 100 kV 50 µF/F 2 95% Yes

Approved on

06 August

2013

165

Frequency 50 Hz

High voltage

impedance:

capacitance

dissipation factor

Compressed gas

capacitor,

capacitor for high

voltage

Dissipation factor

measuring circuit0 1.4E-03 Voltage 1 kV to 50 kV 1.0E-05 2 95% No

Approved on

06 August

2013

166

Frequency 50 Hz

High voltage

impedance:

capacitance

dissipation factor

Compressed gas

capacitor,

capacitor for high

voltage

Dissipation factor

measuring circuit0 1.4E-03 Voltage 50 kV to 100 kV 3.0E-05 2 95% No

Approved on

06 August

2013

167

Frequency 50 Hz

AC high voltage:

meters

AC high voltage

meter, dedicated

set-up for high

voltage

measurements

Comparison with

reference

measuring system

1 100 kV Frequency 50 Hz 2 mV/V 2 95% Yes

Approved on

06 August

2013

168

AC high voltage:

peak values

AC high voltage

meter, dedicated

set-up for high

voltage

measurements

Comparison with

reference

measuring system

1 800 kV Frequency 50 Hz 10 mV/V 2 95% Yes

Approved on

06 August

2013

168b

AC high voltage:

ratio error

High voltage

transformer: ratio

error

Dedicated set-up

for reference

transformer

calibration

0 0.1 Input voltage 100 V to 100 kV 50E-06 2 95% NoApproved on

07 April 2016173

Output voltage 5 V to 200 V

Frequency 50 Hz

AC high voltage:

ratio: phase

displacement

High voltage

trasformer: phase

displacement

Dedicated set-up

for reference

transformer

calibration

0 9999 µrad Input voltage 100 V to 100 kV 50 µrad 2 95% NoApproved on

07 April 2016174

Output voltage 5 V to 200 V

Frequency 50 Hz

The BIPM key comparison database, April 2016 6/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

AC high voltage:

ratio error

High voltage

sensors, non

conventional

voltage

transformer with

analog output

Dedicated set-up

for non

conventional

voltage transformer

calibration

0 0.02 Input voltage 500 V to 50 kV 100E-06 2 95% No

Approved on

06 January

2015

173b

Output voltage 10 mV to 200 V

Frequency 40 Hz to 60 Hz

AC high voltage:

ratio: phase

displacement

High voltage

sensors, non

conventional

voltage

transformer with

analog output

Dedicated set-up

for non

conventional

voltage transformer

calibration

0 20 mrad Input voltage 500 V to 50kV 0.1 mrad 2 95% No

Approved on

06 January

2015

174b

Output voltage 10 mV to 200 V

Frequency 40 Hz to 60 Hz

AC high voltage:

ratio error

Voltage

transformer

bridges

Dedicated set-up

for voltage

transformer bridge

calibration

0 0.02 Voltage 20 V to 200 V10E-06 to

100E-062 95% No ACHVratio

Approved on

06 January

2015

173c

Frequency 40 Hz to 60 Hz

AC high voltage:

ratio: phase

displacement

Voltage

transformer

bridges

Dedicated set-up

for voltage

transformer bridge

calibration

0 20 mrad Voltage 20 V to 120 V0.010 to

0.2mrad 2 95% No ACHVphase

Approved on

06 January

2015

174c

Frequency 40 Hz to 60 Hz

Electric

discharge:

apparent charge

Partial discharge

calibrator

Comparison with

reference charge0.5 5 pC 30 mC/C 2 95% Yes

Approved on

06 August

2013

187

Electric

discharge:

apparent charge

Partial discharge

calibrator

Comparison with

reference charge5 50000 pC 10 mC/C 2 95% Yes

Approved on

06 August

2013

188

Electric

discharge:

response

Electrostatic

discharge target

Volt-amperometric0.05 1 Ω Frequency 1 kHz

0.0008 to

0.0019Ω 2 95% No ESD_Z

Approved on

06 January

2015

420

Electric

discharge:

response

Electrostatic

discharge target

Vector network

analyzer-70 -20 dB Frequency 10 kHz to 4 GHz

0.26 to

0.54dB 2 95% No ESD_FR

Approved on

06 January

2015

421

The BIPM key comparison database, April 2016 7/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

Electric

discharge:

response - time

parameters

ESD generator

Measurement of

voltage through

current-sensing

transducer

(Impulse shape

according to IEC

61000-4-2 and ISO

10605)

0.5 2 ns 0.06 ns 2 95% No

Approved on

06 January

2015

422

Electric

discharge:

response:

amplitude value

ESD generator

Measurement of

voltage through

current-sensing

transducer

(Impulse shape

according to IEC

61000-4-2 and ISO

10605)

0.1 120 A 6 % 2 95% YesApproved on

07 April 2016423

High AC current:

ratio error

Current

transformer

Dedicated set-up

for current

transformer

calibration

0 9.99E-03 Input current 0.1 A to 6 A 20E-06 2 95% No

Approved on

06 August

2013

189a

Rated output

current5 A

Ratio 0.4 to 1

Frequency 40 Hz to 60 Hz

High AC current:

ratio: phase

displacement

Current

transformer

Dedicated set-up

for current

transformer

calibration

0 9990 µrad Input current 0.1 A to 6 A 30 µrad 2 95% No

Approved on

06 August

2013

194a

Rated output

current5 A

Ratio 0.4 to 1

Frequency 40 Hz to 60 Hz

High AC current:

ratio error

Current

transformer

Dedicated set-up

for current

transformer

calibration

0 9.99E-03 Input current 0.05 A to 0.1 A 20E-06 2 95% No

Approved on

06 August

2013

190a

Rated output

current5 A, 1 A

Ratio 1 to 240

Frequency 40 Hz to 60 Hz

The BIPM key comparison database, April 2016 8/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

High AC current:

ratio: phase

displacement

Current

transformer

Dedicated set-up

for current

transformer

calibration

0 9990 µrad Input current 0.05 A to 0.1 A 20 µrad 2 95% No

Approved on

06 August

2013

194b

Rated output

current5 A, 1 A

Ratio 1 to 240

Frequency 40 Hz to 60 Hz

High AC current:

ratio error

Current

transformer

Dedicated set-up

for current

transformer

calibration

0 9.99E-03 Input current 0.1 A to 1500 A 10E-06 2 95% No

Approved on

06 August

2013

189

Rated output

current 5 A, 1 A

Ratio 1 to 240

Frequency 40 Hz to 60 Hz

High AC current:

ratio error

Current

transformer

Dedicated set-up

for current

transformer

calibration

0 9.99E-03 Input current 2.4 A to 7200 A 50E-06 2 95% No

Approved on

06 August

2013

193

Rated output

current5 A, 1A

Ratio 240 to 1200

Frequency 50 Hz

High AC current:

ratio: phase

displacement

Current

transformer

Dedicated set-up

for current

transformer

calibration

0 9990 µrad Input current 2.4 A to 7200 A 50 µrad 2 95% No

Approved on

06 August

2013

199

Rated output

current 5 A, 1A

Ratio 240 to 1200

Frequency 50 Hz

High AC current:

ratio error

Current sensors,

non-conventional

current

transformer with

analog output

Dedicated set-up

for current

transformer

calibration

0 0.02 Input current 0.1 A to 7200 A 100E-06 2 95% No

Approved on

06 January

2015

193a

Output current 10 mA to 10 A

Output voltage 10 mV to 20 V

Frequency 40 Hz to 60 Hz

The BIPM key comparison database, April 2016 9/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

High AC current:

phase

displacement

Current sensors,

non-conventional

current

transformer with

analog output

Dedicated set-up

for current

transformer

calibration

0 20 mrad Input current 1 A to 7200 A 0.1 mrad 2 95% No

Approved on

06 January

2015

199a

Output current 10 mA to 10 A

Output voltage 10 mV to 20 V

Frequency 40 Hz to 60 Hz

High AC current:

ratio error

Current

transformer bridge

Dedicated set-up

for current

transformer bridge

calibration

0 0.02 Current 50 mA to 10 A10E-06 to

200E-062 95% No ACHIratio

Approved on

06 January

2015

193b

Frequency 40 Hz to 60 Hz

High AC current:

phase

displacement

Current

transformer bridge

Dedicated set-up

for current

transformer bridge

calibration

0 10 mrad Current 50 mA to 10 A0.010 to

0.1mrad 2 95% No ACHIphase

Approved on

07 April 2016199b

Frequency 40 Hz to 60 Hz

High AC current:

pulsating current

Pulsating current

measurement set

up, peak value

Comparison with

reference set up0.1 170 kA AC component 50 Hz 15 mA/A 2 95% Yes

Approved on

06 August

2013

201

Electric fields

below 50 kHz:

electric field

strength

AC electric field

meter

Direct comparison

with standard1 40000 V/m Frequency 50 Hz 2.6E-03 2 95% Yes

Approved on

06 August

2013

203

Electric fields

below 50 kHz:

electric field

strength

AC electric field

meter

Direct comparison

with standard1 500 V/m Frequency

10 Hz to 2000

Hz2.6E-03 2 95% Yes

Approved on

06 August

2013

204

Magnetic fields

below 50 kHz:

magnetic flux

Flux meter

Reference mutual

inductor and

ballistic setup

1E-04 2E-02 Wb Inductor current < 2 A 1 to 2mWb/W

b2 95% Yes

Approved on

06 August

2013

205a

Magnetic fields

below 50 kHz:

DC magnetic flux

density

Magnetic field

density meter

Nuclear Magnetic

Resonance4.30E-02 1 T Field gradient < 0.2 (mT/T)/cm 8 to 24 µT/T 2 95% Yes

Approved on

06 January

2015

205

Magnetic fields

below 50 kHz:

DC magnetic flux

density

Magnetic field

density meterHelmholtz coils 5E-04 2E-02 T Coil current < 2 A 0.22 mT/T 2 95% Yes

Approved on

06 January

2015

206

Magnetic fields

below 50 kHz:

DC magnetic flux

density

Magnetic field

density meterHelmoltz coils 1.5E-05 5E-04 T Coil current < 2 A 0.22 to 2.6 mT/T 2 95% Yes

Approved on

06 January

2015

207

The BIPM key comparison database, April 2016 10/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

Magnetic fields

below 50 kHz:

AC magnetic flux

density

Magnetic flux

density meter

Direct comparison

with standard0.1 3000 µT Frequency

10 Hz to 100

kHz4 to 24 mT/T 2 95% Yes AC_B_1

Approved on

07 April 2016208

Magnetic fields

below 50 kHz:

magnetic flux

density per unit

current

Coil generation

systems

Reference set-up

for magnetic flux

density and current

measurement

0.5 1000 µT/A Frequency DC to 100 kHz 0.25 to 0.7 % 2 95% Yes AC_B_2Approved on

07 April 2016208b

Electromagnetic

fields above 50

kHz: electric field

strength

Field probeReference field in

TEM cell1 60 V/m Frequency

0.1 MHz to 200

MHz8 % 2 95% Yes

Approved on

06 January

2015

211

Electromagnetic

fields above 50

kHz: electric field

strength

Field probeReference field in

G-TEM cell1 50 V/m Frequency

200 MHz to

1000 MHz20 % 2 95% Yes

Approved on

06 January

2015

212

Electromagnetic

fields above 50

kHz: magnetic

field strength

Field probeReference field in

TEM cell3 200 mA/m Frequency

0.1 MHz to 200

MHz8 % 2 95% Yes

Approved on

06 January

2015

213

Electromagnetic

fields above 50

kHz: magnetic

field strength

Field probeReference field in

G-TEM cell3 150 mA/m Frequency

200 MHz to

1000 MHz20 % 2 95% Yes

Approved on

06 January

2015

214

Electromagnetic

fields above 50

kHz: electric field

strength

Field probeReference field in

anechoic chamber1 40 V/m Frequency

0.5 GHz to 18

GHz15 % 2 95% Yes

Approved on

06 January

2015

211a

Soft magnetic

sheet materials:

specific loss

Epstein, ring and

single sheet

sample

Hysteresisgraph-

wattmeter (IEC

60404-2, IEC

60404-3, IEC

60404-6, IEC

60404-10)

5E-03 200 W/kg Frequency 1 Hz to 10 kHz10E-03 to

50E-032 95% Yes

SMSM_ACP

s

Approved on

07 April 2016240

Sample mass > 0.1 kg

Primary current < 15 A

Soft magnetic

sheet materials:

value of DC

magnetic

polarisation

Epstein, ring and

single sheet

sample

Ballistic setup,

fluxmeter0.05 2 T Magnetic flux > 0.05 mWb

2E-03 to

20E-032 95% Yes

Approved on

06 August

2013

241

Primary current < 15 A

The BIPM key comparison database, April 2016 11/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

Soft magnetic

sheet materials:

apparent power

Epstein, ring and

single sheet

sample

Hysteresisgraph-

wattmeter (IEC

60404-2, IEC

60404-3, IEC

60404-6, IEC

60404-10)

5E-03 200 VA/kg Frequency 1 Hz to 10 kHz20E-03 to

80E-032 95% Yes

SMSM_ACS

s

Approved on

06 January

2015

240a

Sample mass > 0.1 kg

Primary current < 15 A

Soft magnetic

sheet materials:

value of AC

magnetic

polarisation

Epstein, ring and

single sheet

sample

Hysteresisgraph-

wattmeter (IEC

60404-2, IEC

60404-3, IEC

60404-6, IEC

60404-10)

0.05 2 T Frequency 1 Hz to 10 kHz4E-03 to

1.5E-022 95% Yes

SMSM_ACJ

p

Approved on

06 January

2015

242

Primary current < 15 A

Soft magnetic

sheet materials:

value of

magnetic field

strength

Epstein, ring and

single sheet

sample

Hysteresisgraph-

wattmeter / ballistic

setup (IEC 60404-

2, IEC 60404-3,

IEC 60404-4, IEC

60404-6, IEC

60404-10)

0.5 10000 A/m Frequency DC to 10 kHz4E-03 to

1.6E-022 95% Yes

SMSM_ACH

p

Approved on

06 January

2015

243

Primary current < 15 A

Soft magnetic

sheet materials:

relative

permeability

Epstein, ring, and

single sheet

sample

Hysteresisgraph-

wattmeter / ballistic

setup (IEC 60404-

2, IEC 60404-3,

IEC 60404-4,IEC

60404-6, IEC

60404-10)

10 1E+05 Frequency DC to 10 kHz5E-03 to

50E-032 95% Yes

SMSM_Acm

ur

Approved on

06 January

2015

244a

Polarisation 0.2 T to 1.8 T

Sample mass > 0.1 kg

Primary current < 15 A

Soft magnetic

sheet materials:

resistivity

Epstein strip (Fe-

Si)

Four-point

resistivity

measurement (IEC

60404-13)

1.2E-07 5.3E-07 Wm Current > 1 A 4E-03 2 95% Yes

Approved on

06 January

2015

244c

The BIPM key comparison database, April 2016 12/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

Soft magnetic

bulk materials:

magnetic

polarisation

Rod, cylinder

Permeameter,

ballistic setup,

fluxmeter (IEC

60404-4)

0.05 2.3 T Rod length > 100 mm 10E-03 2 95% Yes

Approved on

06 August

2013

245

Cross-sectional

area> 10 mm

2

Applied field < 2E+05 A/m

Soft magnetic

bulk materials:

magnetic field

strength

Rod, cylinder

Permeameter,

ballistic setup, Hall

probe gaussmeter

(IEC 60404-4)

100 100000 A/m Rod length > 100 mm1E-02 to

2E-022 95% Yes

Approved on

06 August

2013

246

Cross-sectional

area> 10 mm

2

Feebly magnetic,

paramagnetic

materials: DC

magnetic

susceptibility

Rod, cylinder

Solenoid,

compensated

winding, ballistic

setup

1E-03 3 Rod diameter > 5 mm1E-02 to

0.52 95% Yes

Approved on

06 January

2015

248

Rod length / rod

diameter> 4

Hard magnetic

materials:

magnetic

polarization,

remanent

magnetic flux

density

Cylinder,

rectangular

parallelepiped

Electromagnet,

Hall probe

gaussmeter,

hysteresisgraph

(IEC 60404-5)

0.1 2 T Sample length > 5 mm5E-03 to

1.5E-022 95% Yes

Approved on

06 August

2013

249

Hard magnetic

materials:

coercive field

strength (HCJ)

Cylinder,

rectangular

parallelepiped

Electromagnet,

Hall probe

gaussmeter,

hysteresisgraph

(IEC 60404-5)

0.8 2400 kA/m Sample length > 5 mm5E-03 to

1.5E-022 95% Yes

Approved on

06 August

2013

250

Hard magnetic

materials:

coercive field

strength (HCB)

Cylinder,

rectangular

parallelepiped

Electromagnet,

Hall probe

gaussmeter,

hysteresisgraph

(IEC 60404-5)

0.8 1600 kA/m Sample length > 5 mm5E-03 to

1.5E-022 95% Yes

Approved on

06 August

2013

250

Hard magnetic

materials:

maximum energy

product

Cylinder,

rectangular

parallelepiped

Electromagnet,

Hall probe

gaussmeter,

hysteresisgraph

(IEC 60404-5)

2 800 kJ m-3 Sample length > 5 mm

1E-02 to

2E-022 95% Yes

Approved on

06 August

2013

252

The BIPM key comparison database, April 2016 13/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

High AC current:

ratio: phase

displacement

Current

transformer

Dedicated set-up

for current

transformer

calibration

0 9990 µrad Input current 0.1 A to 1500 A 20 µrad 2 95% No

Approved on

06 August

2013

195

Rated output

current5 A, 1 A

Ratio 1 to 240

Frequency 40 Hz to 60 Hz

High AC current:

pulsating current

Pulsating current

measurement set

up, let-through

energy

Comparison with

reference set up1E-05 6400 M(A

2s)

Prospective

current (rms)0.1 kA to 80 kA 70E-03 2 95% Yes

Approved on

06 August

2013

202

Duration 0.001 s to 3 s

AC component 50 Hz

Scattering

parameters:

reflection

coefficient (Sii)

on coaxials: real

and imaginary

One and two ports

passive devices

Vector network

analyzer-1 1 Frequency

0.050 GHz to 50

GHz

0.004 to

0.0362 95% No Scat_Refl

Approved on

06 August

2013

225abcd

ConnectorPCN, PC3.5,

PC2.92, PC2.4

Scattering

parameters:

transmission

coefficient (Sij)

on coaxials: real

and imaginary

One and two ports

passive devices

Vector network

analyzer-1 1 Frequency

0.050 GHz to 50

GHz

0.02 to

17.241E-03 2 95% No Scat_Trans

Approved on

06 August

2013

225fghi

ConnectorPCN, PC3.5,

PC2.92, PC2.4

S11 and S22 < 0.1

Scattering

parameters:

transmission

coefficient (Sij)

on coaxials:

abs(Sij) in

logarithmic

One and two ports

passive devices

Vector network

analyzer-1 1 Frequency

0.050 GHz to 50

GHz

0.03 to

1.66dB 2 95% No

Scat_Trans.l

og

Approved on

06 August

2013

225fghi

ConnectorPCN, PC3.5,

PC2.92, PC2.4

S11 and S22 < 0.1

The BIPM key comparison database, April 2016 14/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

RF power:

calibration factor

on coaxials

Power sensors Substitution 0.8 1 Frequency DC to 26.5 GHz0.004 to

0.0302 95% No Cal_Fact

Approved on

06 August

2013

217_218

Power0.1 mW to 10

mW

Connector PCN, PC3.5

GG < 0.100

RF power:

absolute power

on coaxials

Power sources Direct 0.1 100 mW Frequency DC to 26.5 GHz 4 to 40 mW/W 2 95% Yes Abs_Power

Approved on

06 August

2013

215_215.a

Connector PCN, PC3.5

GG < 0.100

Scattering

parameters:

reflection

coefficient (Sii)

on coaxials, real

and imaginary

One- and two-port

devices with PC-

N, BNC

connectors (for

EMC applications)

Vector network

analyzer-1 1 Frequency 9 kHz to 4 GHz

0.007 to

0.0612 95% No

Scat_Refl_E

MC

Approved on

07 April 2016400

Scattering

parameters:

transmission

coefficient (Sij)

on coaxials,

magnitude

Passive devices

with PC-N, BNC

connectors (for

EMC applications)

Vector network

analyzer-70 0 dB Frequency 9 kHz to 4 GHz

0.11 to

0.42dB 2 95% No

Scat_Trans_

EMC

Approved on

07 April 2016401

Scattering

parameters:

reflection

coefficients (Sii)

for common

mode systems

Coupling /

Decoupling

Network

Vector network

analyzer-1 1 Frequency

150 kHz to 300

MHz

0.007 to

0.0162 95% No

Scat_Refl_C

MS

Approved on

06 January

2015

402

Scattering

parameters:

transmission

coefficient (Sij)

for common

mode systems

Coupling /

Decoupling

Network Adapter

Vector network

analyzer-11 -8 dB Frequency

150 kHz to 300

MHz

0.22 to

0.28dB 2 95% No

Scat_Trans_

CMS

Approved on

06 January

2015

403

Signal and pulse

characteristics:

pulse risetime

and duration

Burst / EFT

generator

(Impulse

shape: according

to IEC 61000-4-4)

Measurement of

voltage through

high voltage

attenuator

3 150 ns Load Impedance 50 W, 1000 W 0.11 ns 2 95% No

Approved on

06 January

2015

404

The BIPM key comparison database, April 2016 15/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

QuantityInstrument or

Artifact

Method of

measurement

Minimum

value

Maximum

valueUnits Parameter Specifications Value Units

Coverage

factor

Level of

Confidence

Is the

expanded

uncertainty a

relative one?

Uncertainty

MatrixComments

NMI Service

Identifier

Calibration or Measurement Service Measurand Level or Range

Measurement

Conditions/Independent

Variable

Expanded Uncertainty

Signal and pulse

characteristics:

pulse amplitude

Burst / EFT

generator

(Impulse

shape: according

to IEC 61000-4-4)

Measurement of

voltage through

high voltage

attenuator

0.2 6 kV 8 % 2 95% Yes

Approved on

06 January

2015

405

RF voltage and

current: RF

voltage division

factor

Burst adaptorVector network

analyzer100 3000 Frequency

10 kHz to 500

MHz1.7 to 4.6 % 2 95% Yes

VoltDiv_Burs

t

Approved on

06 January

2015

406

RF voltage and

current: RF

coupling factor

Coupling /

Decoupling

Network

Vector network

analyzer-11 -8 dB Frequency

150 kHz to 300

MHz

0.22 to

0.28dB 2 95% No

VoltDiv_CD

N

Approved on

06 January

2015

407

The BIPM key comparison database, April 2016 16/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACHIphase

0 mrad to 0.1 mrad 0.1 mrad to 1 mrad 1 mrad to 5 mrad 5 mrad to 10 mrad 10 mrad to 20 mrad

0.050 A to 0.1 A 0.02 0.03 0.07 0.1 0.2

0.1 A to 10 A 0.01 0.02 0.06 0.1 0.2

The values in the first column are the bridge input current.

The uncertainties given in this table are expressed in mrad.

The BIPM key comparison database, April 2016 17/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACHIratio

0 to 0.1E-03 0.1E-03 to 1E-03 1E-03 to 5E-03 5E-03 to 10E-03 10E-03 to 20E-03

0.050 A to 0.1 A 20 30 70 100 200

0.1 A to 10 A 10 20 60 100 200

The values in the first column are the bridge input current.

The uncertainties given in this table are expressed in 1E-06.

The BIPM key comparison database, April 2016 18/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACHVphase

0 mrad to 0.05 mrad 0.05 mrad to 1 mrad 1 mrad to 5 mrad 5 mrad to 10 mrad 10 mrad to 20 mrad

1 0.01 0.02 0.05 0.1 0.1

1.1 to 10 0.05 0.05 0.1 0.15 0.2

The values in the first column are the bridge input voltage ratio.

The uncertainties given in this table are expressed in mrad.

The BIPM key comparison database, April 2016 19/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACHVratio

0 to 0.1E-03 0.1E-03 to 1E-03 1E-03 to 5E-03 5E-03 to 20E-03

1 10 20 50 100

1.1 to 10 20 30 50 100

The values in the first column are the bridge input voltage ratio.

The uncertainties given in this table are expressed in 1E-06.

The BIPM key comparison database, April 2016 20/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCVstd

Expanded uncertainty

/ (µV/V)

1 V 1

1.018 V 1

10 V 0.5

The BIPM key comparison database, April 2016 21/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCVSour_LowVal

Expanded uncertainty

/ (µV/V)

±1 mV 192

±1 mV to ±3 mV 65

±3 mV to ±5 mV 42

±5 mV to ±10 mV 23

±10 mV to ±30 mV 11

±30 mV to ±50 mV 8.5

±50 mV to ±200 mV 2.21

±200 mV to ±300 mV 1.84

±300 mV to ±500 mV 1.66

±500 mV to ±1 V 0.86

±1 V to ±2 V 1.18

±2 V to ±3 V 0.93

±3 V to ±4 V 0.82

±4 V to ±5 V 0.76

±5 V to ±6 V 0.73

±6 V to ±7 V 0.71

±7 V to ±8 V 0.70

±8 V to ±9 V 0.69

±9 V to ±10 V 0.63

The BIPM key comparison database, April 2016 22/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCVsour_IntVal

Expanded uncertainty

/ (µV/V)

±10 V to ±12 V 0.75

±12 V to ±20 V 0.81

±20 V to ±30 V 0.92

±30 V to ±40 V 1.06

±40 V to ±50 V 1.21

±50 V to ±60 V 1.37

±60 V to ±80 V 1.72

±80 V to ±100 V 0.79

±100 V to ±200 V 1.60

±200 V to ±300 V 1.42

±300 V to ±400 V 1.35

±400 V to ±500 V 1.32

±500 V to ±600 V 1.30

±600 V to ±800 V 1.29

±800 V to ±1000 V 1.25

The BIPM key comparison database, April 2016 23/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCVmet_IntVal

Expanded uncertainty

/ (µV/V)

Expanded uncertainty

/ (µV/V)

±1 mV 347 ±8 V to ±9 V 1.25

±1 mV to ±3 mV 119 ±9 V to ±10 V 1.21

±3 mV to ±5 mV 75 ±10 V to ±12 V 1.34

±5 mV to ±10 mV 39 ±12 V to ±20 V 1.33

±10 mV to ±30 mV 15 ±20 V to ±30 V 2.30

±30 mV to ±50 mV 10 ±30 V to ±40 V 2.17

±50 mV to ±100 mV 4.2 ±40 V to ±50 V 2.16

±100 mV to ±200 mV 3.2 ±50 V to ±60 V 2.20

±200 mV to ±300 mV 2.8 ±60 V to ±80 V 2.38

±300 mV to ±500 mV 2.3 ±80 V to ±100 V 1.82

±500 mV to ±1 V 1.5 ±100 V to ±200 V 2.24

±1 V to ±2 V 1.62 ±200 V to ±300 V 3.22

±2 V to ±3 V 1.60 ±300 V to ±400 V 3.16

±3 V to ±4 V 1.44 ±400 V to ±500 V 3.13

±4 V to ±5 V 1.36 ±500 V to ±600 V 3.12

±5 V to ±6 V 1.31 ±600 V to ±700 V 3.11

±6 V to ±7 V 1.28 ±700 V to ±800 V 3.10

±7 V to ±8 V 1.26 ±800 V to ±1000 V 3.08

The BIPM key comparison database, April 2016 24/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCResLowVal

Expanded uncertainty

0.1 mW 15

1 mW 5

10 mW 3

100 mW 2

The expanded uncertainties given in this table are expressed in µW/W

The BIPM key comparison database, April 2016 25/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCResHighVal

10 V 50 V 100 V 250 V 500 V 750 V 1000 V

10 MW 9.8 14 13 - - - -

100 MW 16 13 12 14 - - -

1 GW - 23 17 14 13 13 12

10 GW - 92 67 35 28 27 27

100 GW - - 64 100 96 95 67

1 TW - - - - 160 130 120

10 TW - - - - 620 - 620

100 TW - - - 660 - 660

The expanded uncertainties given in this table are expressed in µW/W

The BIPM key comparison database, April 2016 26/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCRsour

Expanded uncertainty

1 W 4.2

10 W 2.4

100 W 1.3

1 kW 1.5

10 kW 1.7

100 kW 2.5

1 MW 4.4

10 MW 7.6

100 MW 24

The expanded uncertainties given in this table are expressed in µW/W

The BIPM key comparison database, April 2016 27/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCRmet_IntVal

Expanded uncertainty

1 W to 10 W 32

10 W to 1 kW 3.2

1 kW to 10 kW 3.3

10 kW to 100 kW 3.8

100 kW to 1 MW 5.8

1 MW to 10 MW 14

10 MW to 100 MW 60

The expanded uncertainties given in this table are expressed in µW/W

The BIPM key comparison database, April 2016 28/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCIsour_LowVal

Expanded Uncertainty

10 µA to ±30 µA 7.5

±30 µA to ±100 µA 4.50

The expanded uncertainties given in this table are expressed in µA/A

The BIPM key comparison database, April 2016 29/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCIsour_IntVal

Expanded uncertainty

±100 µA to ±300 µA 6.0

±300 µA to ±1 mA 2.80

±1 mA to ±3 mA 6.0

±3 mA to ±5 mA 3.70

±5 mA to ±10 mA 2.70

±10 mA to ±20 mA 3.80

±20 mA to ±30 mA 6.0

±30 mA to ±50 mA 3.80

±50 mA to ±100 mA 5.0

±100 mA to ±120 mA 5.3

±120 mA to ±200 mA 3.70

±200 mA to ±300 mA 6.0

±300 mA to ±500 mA 7.9

±500 mA to ±1 A 7.8

±1 A to ±1.9 A 7.3

±1.9 A to ±3 A 29

±3 A to ±10 A 27

The expanded uncertainties given in this table are expressed in µA/A

The BIPM key comparison database, April 2016 30/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

LowCurr

Expanded uncertainty

10 fA 3000

100 fA 900

1 pA 150

10 pA 70

100 pA 70

1 nA 100

The expanded uncertainties given in this table are expressed in µA/A

The BIPM key comparison database, April 2016 31/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCLowCurrOhmLaw

Expanded uncertainty

1 nA 780

10 nA 720

100 nA 430

The expanded uncertainties given in this table are expressed in µA/A

The BIPM key comparison database, April 2016 32/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCImet_LowVal

Expanded Uncertainty

±10 µA 98

±10 µA to ±30 µA 41

±30 µA to ±100 µA 16

The expanded uncertainties given in this table are expressed in µA/A

The BIPM key comparison database, April 2016 33/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

DCImet_IntVal

Expanded Uncertainty

±100 µA to ±300 µA 23

±300 µA to ±1 mA 11

±1 mA to ±3 mA 23

±3 mA to ±5 mA 16

±5 mA to ±10 mA 11

±10 mA to ±20 mA 9

±20 mA to ±30 mA 20

±30 mA to ±50 mA 15

±50 mA to ±120 mA 12

±120 mA to ±200 mA 10

±200 mA to ±300 mA 16

±300 mA to ±500 mA 15

±500 mA to ±1 A 14

±1 A to ±1.9 A 14

±1.9 A to ±3 A 78

±3 A to ±5 A 63

±5 A to ±10 A 53

The expanded uncertainties given in this table are expressed in µA/A

The BIPM key comparison database, April 2016 34/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACDC_MV

40 Hz to 20 kHz 20 kHz to 50 kHz 50 kHz to 100 kHz 100 kHz to 500 kHz 500 kHz to 1 MHz

1 mV to 3 mV 300 300 400 500 1000

3 mV to 10 mV 100 100 150 200 400

10 mV to 30 mV 60 60 80 150 300

30 mV to 100 mV 30 30 40 60 150

100 mV to 300 mV 25 25 30 60 120

The expanded uncertainties given in this table are expressed in µV/V

The BIPM key comparison database, April 2016 35/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACDC_M1

40 Hz to 20 kHz 20 kHz to 50 kHz 50 kHz to 100 kHz 100 kHz to 500 kHz 500 kHz to 1 MHz

0.2 V to 0.5 V 7 8 10 16 30

0.5 V to 10 V 4 5 6 16 30

10 V to 20 V 5 6 7 20 50

20 V to 100 V 15 20 30 - -

100 V to 500 V 20 25 50 - -

500 V to 1000 V 30 40 100 - -

The expanded uncertainties given in this table are expressed in µV/V

The BIPM key comparison database, April 2016 36/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACVsour

20 Hz to 40 Hz 40 Hz to 1 kHz1 kHz to 10

kHz

10 kHz to 20

kHz

20 kHz to 30

kHz

30 kHz to 50

kHz

50 kHz to 100

kHz

100 kHz to

500 kHz

500 kHz to 1

MHz

1 mV - 974 - - - - - - -

1 mV to 3 mV - 414 - - - - - - -

3 mV to 5 mV - 199 - - - - - - -

5 mV to 10 mV - 104 - - - - - - -

10 mV to 20 mV - 68 - - - - - - -

20 mV to 30 mV - 75 - - - - - - -

30 mV to 50 mV - 57 - - - - - - -

50 mV to 100 mV - 38 - - - - - - -

100 mV to 200 mV - 37 - - - - - - -

200 mV to 300 mV - 36 - - - - - - -

300 mV to 500 mV 29 29 29 29 41 41 41 125 355

500 mV to 2 V 28 28 28 28 39 39 39 121 355

2 V to 4 V 28 28 28 28 46 46 46 - -

4 V to 6 V 27 27 27 27 46 46 46 272 648

6 V to 8 V 28 28 28 28 46 46 46 - -

8 V to 10 V 27 27 27 27 46 46 46 272 648

10 V to 100 V 36 36 36 36 100 100 100 - -

100 V to 200 V 37 37 37 37 113 113 113 - -

200 V to 300 V 40 40 40 40 102 102 - - -

300 V to 700 V 45 45 77 77 178 178 358 - -

700 V to 1000 V 57 57 90 90 160 - - - -

The expanded uncertainties given in this table are expressed in µV/V

The BIPM key comparison database, April 2016 37/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACV_M0

40 Hz to 10

kHz

10 kHz to

50 kHz

50 kHz to

100 kHz

100 kHz to

300 kHz

300 kHz to

500 kHz

500 kHz to

1 MHz

1 mV 935 1040 1231 1933 2326 2954

3 mV 273 289 364 589 715 886

5 mV 192 195 216 287 330 388

10 mV, 20 mV 59 70 96 176 221 276

30 mV, 50 mV 40 47 51 105 159 211

100 mV, 200 mV 25 32 37 74 107 146

The expanded uncertainties given in this table are expressed in µV/V

The BIPM key comparison database, April 2016 38/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACV_M1

40 Hz to 10

kHz

10 kHz to

50 kHz

50 kHz to

100 kHz

100 kHz to

300 kHz

300 kHz to

500 kHz

500 kHz to

1 MHz

300 mV, 500 mV 14 14 25 31 44 63

1 V, 2 V, 3 V,4 V,6 V,10 V, 20 V 9 9 16 30 45 66

30 V, 40 V, 60 V 11 15 25 - - -

100 V, 200 V 16 26 53 - - -

300 V, 400 V 18 30 62 - - -

600 V, 700 V 22 45 106 - - -

1000 V 22 50 110 - - -

The expanded uncertainties given in this table are expressed in µV/V

The BIPM key comparison database, April 2016 39/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACVmet

20 Hz to 40 Hz 40 Hz to 1 kHz1 kHz to 10

kHz

10 kHz to 20

kHz

20 kHz to 30

kHz

30 kHz to 50

kHz

50 kHz to 100

kHz

100 kHz to

500 kHz

500 kHz to 1

MHz

1 mV - 2399 - - - - - - -

1 mV to 3 mV - 830 - - - - - - -

3 mV to 5 mV - 483 - - - - - - -

5 mV to 10 mV - 199 - - - - - - -

10 mV to 20 mV - 99 - - - - - - -

20 mV to 30 mV - 100 - - - - - - -

30 mV to 50 mV - 89 - - - - - - -

50 mV to 100 mV - 59 - - - - - - -

100 mV to 200 mV - 49 - - - - - - -

200 mV to 300 mV - 50 - - - - - - -

300 mV to 500 mV 42 42 42 42 79 79 79 397 894

500 mV to 2 V 39 39 39 39 74 74 74 371 847

2 V to 4 V 39 39 39 39 92 92 92 - -

4 V to 10 V 38 38 38 38 87 87 87 375 941

10 V to 20 V 38 38 38 38 85 85 85 - -

20 V to 50 V 49 49 49 49 147 147 147 - -

50 V to 100 V 48 48 48 48 136 136 136 - -

100 V to 200 V 49 49 49 49 142 142 142 - -

200 V to 300 V 51 51 51 51 199 199 - - -

300 V to 700 V 55 55 112 112 271 271 542 - -

700 V to 1000 V 64 64 125 125 258 - - - -

The expanded uncertainties given in this table are expressed in µV/V

The BIPM key comparison database, April 2016 40/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

IVDreal

Expanded uncertainty

0.001 to 0.09 1E-07

0.1 to 1 1E-06

The expanded uncertainties given in this table are dimensionless

The BIPM key comparison database, April 2016 41/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACDC_I

40 Hz to 1 kHz 1 kHz to 20 kHz 5 kHz 50 kHz to 100 kHz

2.5 mA to 10 mA 20 20 - 50

10 mA to 100 mA 50 50 - 100

100 mA to 20 A 200 - 500 -

The expanded uncertainties given in this table are expressed in µA/A

The BIPM key comparison database, April 2016 42/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

IVDimag

Expanded uncertainty

0.001 to 0.09 2E-07

0.1 to 1 2E-06

The expanded uncertainties given in this table are dimensionless

The BIPM key comparison database, April 2016 43/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACIsour

20 Hz to 40 Hz 40 Hz to 100 Hz 100 Hz to 400 Hz 400 Hz to 1 kHz 1 kHz to 5 kHz

10 µA to 100 µA 146 146 146 146

100 µA to 1 mA 50 50 50 50 87

1 mA to 200 mA 35 35 35 35 67

200 mA to 500 mA 45 45 45 45 81

500 mA to 2 A 50 50 50 50 86

The expanded uncertainties given in this table are expressed in µA/A

The BIPM key comparison database, April 2016 44/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ACImet

20 Hz to 40 Hz 40 Hz to 100 Hz 100 Hz to 400 Hz 400 Hz to 1 kHz 1 kHz to 5 kHz

10 µA to 100 µA 358 358 358 358 -

100 µA to 300 µA 87 87 87 87 230

300 µA to 1 mA 72 72 72 72 131

1 mA to 3 mA 79 79 79 79 247

3 mA to 10 mA 62 62 62 62 130

10 mA to 20 mA 61 61 61 61 110

20 mA to 30 mA 79 79 79 79 115

30 mA to 50 mA 70 70 70 70 104

50 mA to 100 mA 62 62 62 62 96

100 mA to 120 mA 61 61 61 61 96

120 mA to 200 mA 61 61 61 61 95

200 mA to 300 mA 99 99 99 99 177

300 mA to 500 mA 89 89 89 89 153

500 mA to 1 A 94 94 94 94 145

1 A to 2 A 93 93 93 93 138

The expanded uncertainties given in this table are expressed in µA/A

The BIPM key comparison database, April 2016 45/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

AC_B_1

10 Hz to

300 Hz

301 Hz to

500 Hz

0.5 kHz to

10 kHz

10 kHz to

15 kHz

15 kHz to

30 kHz

30 kHz to

100 kHz

0.1 µT 0.023 0.023 0.023 0.023 0.024 0.024

0.2 µT 0.012 0.012 0.012 0.012 0.014 0.014

0.3 µT 0.008 0.008 0.008 0.009 0.010 0.010

0.4 µT 0.007 0.007 0.007 0.007 0.009 0.009

0.5 µT 0.006 0.006 0.006 0.006 0.008 0.008

0.6 µT to 0.8 µT 0.005 0.005 0.005 0.006 0.008 0.008

0.81 µT to 1 µT 0.004 0.004 0.004 0.005 0.007 0.007

1.1 µT to 25 µT 0.004 0.004 0.004 0.004 0.007 0.007

25 µT to 100 µT 0.004 0.004 0.004 0.004 0.007 -

101 µT to 1000 µT 0.004 0.004 - - - -

1001 µT to 3000 µT 0.004 - - - - -

The expanded uncertainties given in this table are expressed in T/T

The BIPM key comparison database, April 2016 46/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

AC_B_2

DC 10 Hz to 1 kHz 1 kHz to 15 kHz 15 kHz to 100 kHz

0.5 µT/A to 1000 µT/A 0.25 0.4 - -

0.5 µT/A to 200 µT/A - - 0.4 -

0.5 µT/A to 200 µT/A - - - 0.7

The expanded uncertainties given in this table are expressed in %

The BIPM key comparison database, April 2016 47/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Scat_Refl

+- 50 MHz to 2 GHz 2 GHz to 8 GHz 8 GHz to 18 GHz18 GHz to 20

GHz

20 GHz to 26.5

GHz

26.5 GHz to 40

GHz

40 GHz to 50

GHz

PCN 0.0 0.004 0.006 0.006 - - - -

PCN 0.1 0.004 0.006 0.007 - - - -

PCN 0.2 0.004 0.007 0.007 - - - -

PCN 0.3 0.004 0.008 0.008 - - - -

PCN 0.4 0.005 0.009 0.010 - - - -

PCN 0.5 0.005 0.010 0.012 - - - -

PCN 0.6 0.006 0.011 0.014 - - - -

PCN 0.7 0.006 0.013 0.016 - - - -

PCN 0.8 0.007 0.014 0.019 - - - -

PCN 0.9 0.008 0.016 0.022 - - - -

PCN 1.0 0.009 0.018 0.026 - - - -

PC3.5 0.0 0.004 0.006 0.006 0.006 0.006 - -

PC3.5 0.1 0.004 0.006 0.006 0.006 0.006 - -

PC3.5 0.2 0.004 0.007 0.007 0.007 0.007 - -

PC3.5 0.3 0.005 0.008 0.008 0.008 0.008 - -

PC3.5 0.4 0.006 0.009 0.009 0.009 0.010 - -

PC3.5 0.5 0.007 0.011 0.011 0.011 0.012 - -

PC3.5 0.6 0.008 0.013 0.014 0.014 0.013 - -

PC3.5 0.7 0.009 0.015 0.017 0.017 0.017 - -

PC3.5 0.8 0.010 0.017 0.020 0.020 0.020 - -

PC3.5 0.9 0.012 0.020 0.023 0.023 0.024 - -

PC3.5 1.0 0.013 0.023 0.027 0.027 0.028 - -

PC2.92 0.0 0.008 0.008 0.008 0.008 0.013 0.013 -

PC2.92 0.1 0.008 0.008 0.008 0.008 0.014 0.014 -

PC2.92 0.2 0.009 0.009 0.009 0.009 0.015 0.015 -

PC2.92 0.3 0.009 0.009 0.009 0.009 0.016 0.016 -

The expanded uncertainties given in this table are dimensionless

Continued on next page

The BIPM key comparison database, April 2016 48/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Scat_Refl (Continued)

+- 50 MHz to 2 GHz 2 GHz to 8 GHz 8 GHz to 18 GHz18 GHz to 20

GHz

20 GHz to 26.5

GHz

26.5 GHz to 40

GHz

40 GHz to 50

GHz

PC2.92 0.4 0.010 0.010 0.010 0.010 0.018 0.018 -

PC2.92 0.5 0.011 0.011 0.011 0.011 0.020 0.020 -

PC2.92 0.6 0.012 0.013 0.013 0.013 0.023 0.023 -

PC2.92 0.7 0.014 0.014 0.014 0.014 0.026 0.026 -

PC2.92 0.8 0.016 0.014 0.014 0.014 0.029 0.029 -

PC2.92 0.9 0.017 0.018 0.018 0.018 0.033 0.033 -

PC2.92 1.0 0.019 0.020 0.020 0.020 0.034 0.034 -

PC2.4 0.0 0.006 0.006 0.006 0.006 0.010 0.010 0.012

PC2.4 0.1 0.006 0.006 0.006 0.006 0.010 0.010 0.013

PC2.4 0.2 0.006 0.007 0.007 0.007 0.011 0.011 0.014

PC2.4 0.3 0.006 0.007 0.007 0.007 0.012 0.012 0.015

PC2.4 0.4 0.007 0.008 0.008 0.008 0.014 0.014 0.017

PC2.4 0.5 0.008 0.009 0.009 0.009 0.015 0.015 0.019

PC2.4 0.6 0.008 0.010 0.010 0.010 0.017 0.017 0.022

PC2.4 0.7 0.009 0.012 0.012 0.012 0.020 0.020 0.025

PC2.4 0.8 0.010 0.013 0.013 0.013 0.023 0.023 0.028

PC2.4 0.9 0.011 0.015 0.015 0.015 0.026 0.026 0.032

PC2.4 1.0 0.013 0.017 0.017 0.017 0.029 0.029 0.036

The expanded uncertainties given in this table are dimensionless

The BIPM key comparison database, April 2016 49/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Scat_Trans

+- 50 MHz to 2 GHz 2 GHz to 8 GHz 8 GHz to 18 GHz 18 GHz to 20 GHz 20 GHz to 26.5 GHz 26.5 GHz to 40 GHz 40 GHz to 50 GHz

PCN 1.000 0.00307 0.00721 0.00956 - - - -

PCN 0.708 0.00217 0.00510 0.00676 - - - -

PCN 0.501 0.00157 0.00401 0.00492 - - - -

PCN 0.316 0.00099 0.00253 0.00311 - - - -

PCN 0.100 0.00034 0.00081 0.00100 - - - -

PCN 0.032 0.00016 0.00026 0.00032 - - - -

PCN 0.010 0.00011 0.00009 0.00011 - - - -

PCN 0.003 0.00009 0.00003 0.00004 - - - -

PCN 0.001 0.00009 0.00002 0.00002 - - - -

PC3.5 1.000 0.00396 0.00889 0.01032 0.01307 0.01307 - -

PC3.5 0.708 0.00280 0.00630 0.00730 0.00925 0.00925 - -

PC3.5 0.501 0.00200 0.00484 0.00529 0.00662 0.00662 - -

PC3.5 0.316 0.00126 0.00306 0.00334 0.00418 0.00418 - -

PC3.5 0.100 0.00043 0.00098 0.00107 0.00133 0.00133 - -

PC3.5 0.032 0.00018 0.00031 0.00034 0.00043 0.00043 - -

PC3.5 0.010 0.00011 0.00010 0.00011 0.00016 0.00016 - -

PC3.5 0.003 0.00010 0.00004 0.00005 0.00008 0.00008 - -

PC3.5 0.001 0.00009 0.00002 0.00003 0.00005 0.00005 - -

PC2.92 1.000 0.00520 0.00764 0.00764 0.00764 0.01724 0.01724 -

PC2.92 0.708 0.00368 0.00541 0.00541 0.00541 0.01221 0.01221 -

PC2.92 0.501 0.00260 0.00392 0.00392 0.00392 0.00867 0.00867 -

PC2.92 0.316 0.00164 0.00247 0.00247 0.00247 0.00547 0.00547 -

PC2.92 0.100 0.00054 0.00079 0.00079 0.00079 0.00173 0.00173 -

PC2.92 0.032 0.00022 0.00026 0.00026 0.00026 0.00060 0.00060 -

PC2.92 0.010 0.00012 0.00009 0.00009 0.00009 0.00034 0.00034 -

PC2.92 0.003 0.00010 0.00009 0.00009 0.00009 0.00018 0.00018 -

PC2.4 1.000 0.00352 0.00650 0.00650 0.00650 0.01336 0.01336 0.01677

PC2.4 0.708 0.00460 0.00460 0.00460 0.00460 0.00946 0.00946 0.01187

PC2.4 0.501 0.00336 0.00336 0.00336 0.00336 0.00667 0.00667 0.00861

PC2.4 0.316 0.00212 0.00212 0.00212 0.00212 0.00421 0.00421 0.00543

PC2.4 0.100 0.00069 0.00069 0.00069 0.00069 0.00138 0.00138 0.00207

PC2.4 0.032 0.00023 0.00023 0.00023 0.00023 0.00052 0.00052 0.00107

PC2.4 0.010 0.00008 0.00008 0.00008 0.00008 0.00026 0.00026 0.00076

PC2.4 0.003 0.00004 0.00004 0.00004 0.00004 0.00018 0.00018 0.00066

The expanded uncertainties given in this table are dimensionless

The BIPM key comparison database, April 2016 50/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Scat_Trans.log

/ 50 MHz to 2 GHz 2 GHz to 8 GHz 8 GHz to 18 GHz 18 GHz to 20 GHz 20 GHz to 26.5 GHz 26.5 GHz to 40 GHz 40 GHz to 50 GHz

PCN 0 dB 0.03 0.06 0.08 - - - -

PCN -3 dB 0.03 0.06 0.08 - - - -

PCN -6 dB 0.03 0.07 0.09 - - - -

PCN -10 dB 0.03 0.07 0.09 - - - -

PCN -20 dB 0.03 0.07 0.09 - - - -

PCN -30 dB 0.04 0.07 0.09 - - - -

PCN -40 dB 0.09 0.07 0.09 - - - -

PCN -50 dB 0.26 0.09 0.12 - - - -

PCN -60 dB 0.76 0.14 0.21 - - - -

PC3.5 0 dB 0.03 0.08 0.09 0.09 0.11 - -

PC3.5 -3 dB 0.03 0.08 0.09 0.09 0.11 - -

PC3.5 -6 dB 0.03 0.08 0.09 0.09 0.11 - -

PC3.5 -10 dB 0.03 0.08 0.09 0.09 0.11 - -

PC3.5 -20 dB 0.04 0.08 0.09 0.09 0.11 - -

PC3.5 -30 dB 0.05 0.09 0.09 0.09 0.12 - -

PC3.5 -40 dB 0.10 0.09 0.10 0.10 0.14 - -

PC3.5 -50 dB 0.26 0.10 0.13 0.13 0.21 - -

PC3.5 -60 dB 0.76 0.15 0.23 0.23 0.46 - -

PC2.92 0 dB 0.05 0.07 0.07 0.07 0.15 0.15 -

PC2.92 -3 dB 0.05 0.07 0.07 0.07 0.15 0.15 -

PC2.92 -6 dB 0.04 0.07 0.07 0.07 0.15 0.15 -

PC2.92 -10 dB 0.04 0.07 0.07 0.07 0.15 0.15 -

PC2.92 -20 dB 0.05 0.07 0.07 0.07 0.15 0.15 -

PC2.92 -30 dB 0.06 0.07 0.07 0.07 0.16 0.16 -

PC2.92 -40 dB 0.11 0.08 0.08 0.08 0.29 0.29 -

PC2.92 -50 dB 0.27 0.23 0.23 0.23 0.49 0.49 -

PC2.4 0 dB 0.03 0.06 0.06 0.06 0.12 0.12 0.14

PC2.4 -3 dB 0.06 0.06 0.06 0.06 0.12 0.12 0.14

PC2.4 -6 dB 0.06 0.06 0.06 0.06 0.11 0.11 0.15

PC2.4 -10 dB 0.06 0.06 0.06 0.06 0.11 0.11 0.15

PC2.4 -20 dB 0.06 0.06 0.06 0.06 0.12 0.12 0.18

PC2.4 -30 dB 0.06 0.06 0.06 0.06 0.14 0.14 0.29

PC2.4 -40 dB 0.07 0.07 0.07 0.07 0.22 0.22 0.64

PC2.4 -50 dB 0.11 0.11 0.11 0.11 0.48 0.48 1.66

The expanded uncertainties given in this table are expressed in dB

The BIPM key comparison database, April 2016 51/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Cal_Fact

Power DC to 50 MHz 50 MHz to 2 GHz 2 GHz to 8 GHz 8 GHz to 18 GHz 18 GHz to 26.5 GHz

PCN 0.1 mW to 1.0 mW 0.010 0.014 0.016 0.026 -

PCN 1 mW to 10 mW 0.004 0.010 0.013 0.020 -

PC3.5 0.1 mW to 1.0 mW 0.010 0.014 0.016 0.026 0.030

PC3.5 1 mW to 10 mW 0.004 0.010 0.013 0.020 0.026

The expanded uncertainties given in this table are dimensionless

The BIPM key comparison database, April 2016 52/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Abs_Power

Power DC to 50 MHz 50 MHz to 2 GHz 2 GHz to 8 GHz 8 GHz to 18 GHz 18 GHz to 26.5 GHz

PCN 0.1 mW to 1.0 mW 14 18 20 30 -

PCN 1 mW to 10 mW 4 8 10 25 -

PCN 10 mW to 100 mW 10 13 13 25 -

PC3.5 0.1 mW to 1.0 mW 14 18 18 30 40

PC3.5 1 mW to 10 mW 4 10 14 25 30

PC3.5 10 mW to 100 mW 10 14 14 25 32

The expanded uncertainties given in this table are expressed in mW/W

The BIPM key comparison database, April 2016 53/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

L_3V

1 kHz

1 mH 29

10 mH 18

100 mH 16

1 H 15

The expanded uncertainties given in this table are expressed in µH/H

The BIPM key comparison database, April 2016 54/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

L_sub

1 kHz

1 mH 100

10 mH 50

100 mH 50

1 H 50

The expanded uncertainties given in this table are expressed in µH/H

The BIPM key comparison database, April 2016 55/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ESD_FR

-20 dB to -40 dB -50 dB -60 dB -70 dB

10 kHz to 100 kHz 0.26 0.29 0.33 0.54

0.1 MHz to 1 MHz 0.26 0.27 0.29 0.41

1 MHz to 2 GHz 0.26 0.27 0.28 0.39

2 GHz to 4 GHz 0.26 0.28 0.3 0.42

Uncertainties given in this table are expressed in dB

The BIPM key comparison database, April 2016 56/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Scat_Refl_EMC

abs(Sii) 9 kHz to 500 MHz 500 MHz to 1 GHz 1 GHz to 2 GHz 2 GHz to 4 GHz

PC-N 0 0.007 0.007 0.008 0.009

PC-N 0.1 0.007 0.008 0.008 0.009

PC-N 0.2 0.007 0.008 0.008 0.009

PC-N 0.3 0.007 0.008 0.008 0.010

PC-N 0.4 0.007 0.008 0.008 0.010

PC-N 0.5 0.009 0.010 0.010 0.012

PC-N 0.6 0.010 0.011 0.012 0.014

PC-N 0.7 0.013 0.014 0.014 0.016

PC-N 0.8 0.016 0.017 0.018 0.020

PC-N 0.9 0.019 0.020 0.021 0.023

PC-N 1 0.023 0.024 0.025 0.027

BNC 0 0.008 0.019 0.029 -

BNC 0.1 0.008 0.019 0.029 -

BNC 0.2 0.008 0.019 0.030 -

BNC 0.3 0.008 0.020 0.032 -

BNC 0.4 0.008 0.022 0.034 -

BNC 0.5 0.010 0.025 0.037 -

BNC 0.6 0.012 0.027 0.040 -

BNC 0.7 0.014 0.031 0.044 -

BNC 0.8 0.017 0.035 0.049 -

BNC 0.9 0.020 0.039 0.055 -

BNC 1 0.023 0.044 0.061 -

The expanded uncertainties given in this table are dimensionless

The BIPM key comparison database, April 2016 57/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Scat_Trans_EMC

abs(Sij) 9 kHz to 500 MHz 500 MHz to 1 GHz 1 GHz to 2 GHz 2 GHz to 4 GHz

PC-N 0 0.17 0.17 0.17 0.17

PC-N -3 0.15 0.15 0.15 0.15

PC-N -6 0.13 0.13 0.13 0.13

PC-N -10 0.11 0.11 0.11 0.11

PC-N -20 0.11 0.11 0.11 0.11

PC-N -30 0.12 0.12 0.12 0.12

PC-N -40 0.13 0.12 0.13 0.13

PC-N -50 0.15 0.13 0.13 0.14

PC-N -60 0.19 0.14 0.15 0.16

PC-N -70 0.42 0.28 0.26 0.33

BNC 0 0.19 0.22 0.28 -

BNC -3 0.17 0.22 0.26 -

BNC -6 0.15 0.20 0.24 -

BNC -10 0.13 0.18 0.22 -

BNC -20 0.13 0.18 0.22 -

BNC -30 0.13 0.18 0.22 -

BNC -40 0.14 0.18 0.22 -

BNC -50 0.16 0.19 0.23 -

BNC -60 0.20 0.20 0.26 -

BNC -70 0.42 0.29 0.33 -

The expanded uncertainties given in this table are expressed in dB

The BIPM key comparison database, April 2016 58/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

VoltDiv_Burst

50 Ω burst adaptor 1000 Ω burst adaptor

10 kHz to 100 kHz 1.9 3.6

0.1 MHz to 1 MHz 1.8 3.1

1 MHz to 100 MHz 1.7 3.1

100 MHz to 200 MHz 1.9 3.4

200 MHz to 300 MHz 2.1 3.8

300 MHz to 400 MHz 2.4 4.1

400 MHz to 500 MHz 2.7 4.6

The expanded uncertainties given in this table are expressed in %

The BIPM key comparison database, April 2016 59/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Scat_Refl_CMS

abs(Sii) < 0.4 abs(Sii) > 0.4

150 kHz to 50 MHz 0.007 0.010

50 MHz to 150 MHz 0.010 0.013

150 MHz to 300 MHz 0.012 0.016

The BIPM key comparison database, April 2016 60/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Scat_Trans_CMS

Expanded

uncertainty / dB

150 kHz to 50 MHz 0.22

50 MHz to 150 MHz 0.25

150 MHz to 300 MHz 0.28

The BIPM key comparison database, April 2016 61/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

VoltDiv_CDN

Expanded uncertainty / dB

150 kHz to 50 MHz 0.22

50 MHz to 150 MHz 0.25

150 MHz to 300 MHz 0.28

The BIPM key comparison database, April 2016 62/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

ESD_Z

Expanded uncertainty in Ω

0.05 Ω to 0.33 Ω 0.0008

0.33 Ω to 0.5 Ω 0.0013

0.5 Ω to 1 Ω 0.0019

The BIPM key comparison database, April 2016 63/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

Rac

50 Hz 120 Hz 400 Hz 1000 Hz 1592 Hz 5 kHz 10 kHz

1 Ω 25 25 25 25 25 - -

10 Ω 20 20 20 20 15 30 40

100 Ω 20 20 20 20 15 25 40

1 kΩ 15 15 15 15 15 25 35

10 kΩ 20 20 20 20 20 25 35

100 kΩ 15 15 15 15 20 25 35

1 MΩ 25 25 25 25 25 - -

The expanded uncertainties given in this table are expressed in µΩ/Ω

The BIPM key comparison database, April 2016 64/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

C

50 Hz 100 Hz 200 Hz 500 Hz 1 kHz 2 kHz 5 kHz 10 kHz 20 kHz

1 pF 75 28 14 9 8 9 19 51 176

10 pF 23 13 9 7 7 7 11 21 56

100 pF 18 12 9 7 7 7 9 14 28

1 nF 18 12 9 7 7 7 9 15 33

10 nF 133 70 38 21 18 21 41 83 207

100 nF 365 186 98 50 41 52 119 301 1017

1 µF 712 361 189 94 79 113 388 1499 -

The expanded uncertainties given in this table are expressed in µF/F

The BIPM key comparison database, April 2016 65/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

SMSM_ACJp

1 Hz to 10 Hz 10 Hz to 1 kHz 1 kHz to 10 kHz

Expanded uncertainty 1.50E-02 8.00E-03 4.00E-03

The expanded uncertainties given in this table are relative values

The BIPM key comparison database, April 2016 66/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

SMSM_ACHp

1 Hz to 10 Hz 10 Hz to 1 kHz 1 kHz to 10 kHz

Expanded uncertainty 4.00E-03 1.00E-02 1.60E-02

The expanded uncertainties given in this table are relative values

The BIPM key comparison database, April 2016 67/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

SMSM_ACPs

1 Hz to 10 Hz 10 Hz to 1 kHz 1 kHz to 10 kHz

Bp < Bp_mumax 2.00E-02 1.00E-02 2.00E-02

Bp > Bp_mumax 5.00E-02 2.00E-02 5.00E-02

The expanded uncertainties given in this table are relative values

The BIPM key comparison database, April 2016 68/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

SMSM_ACSs

1 Hz to 10 Hz 10 Hz to 1 kHz 1 kHz to 10 kHz

Bp < Bp_mumax 3.00E-02 2.00E-02 3.00E-02

Bp > Bp_mumax 8.00E-02 5.00E-02 5.00E-02

The expanded uncertainties given in this table are relative values

The BIPM key comparison database, April 2016 69/70

Calibration and Measurement Capabilities

Electricity and Magnetism, Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)

SMSM_ACmur

Expanded uncertainty

Bp < 0.8Bp_mumax 2.00E-02

0.8Bp_mumax < Bp < 1.2Bp_mumax 5.00E-02

Bp > 1.2Bp_mumax 5.00E-03

The expanded uncertainties given in this table are relative values

The BIPM key comparison database, April 2016 70/70