Laboratory Name BEST ENGINEERS CALIBRATION LAB, 59 ......Laboratory Name BEST ENGINEERS CALIBRATION...

S.No Discipline / Group Quantity Measured/Instrument

Range / Frequency * CalibrationMeasurementCapability(±)

Remarks

Permanent Facility

1 ELECTRO-TECHNICAL-ALTERNATINGCURRENT (< 1 GHZ)(Measure)

AC Current @ 50 Hz to1 kHz

1 mA to 10 mA 0.17 % to 0.25 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod



10 mA to 3 A 0.25 % to 0.25 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod



3 A to 10 A 0.25 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


AC Voltage @ 50 Hz 1 kV to 5 kV 3.5% to 3.3 % Using High Voltageprobe and 4½ DigitMultimeter by DirectMethod


AC Voltage @ 50 Hz to1 kHz

1 V to 100 V 0.11 % to 0.10 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod



100 mV to 1 V 0.12 % to 0.11 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod

This is annexure to 'Certificate of Accreditation' and does not require any signature.

Laboratory Name BEST ENGINEERS CALIBRATION LAB, 59, THADAGAM ROAD, VELANDIPALAYAM,COIMBATORE, TAMIL NADU, INDIA

Accreditation Standard ISO/IEC 17025:2017

Certificate Number CC-2079 Page No. : 1 / 14

Validity 21/01/2019 to 20/01/2021 Last Amended on -



Remarks



100 V to 1000 V 0.10 % to 0.10 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod

8 ELECTRO-TECHNICAL-ALTERNATINGCURRENT (< 1 GHZ)(Source)


1 A to 10 A 0.16 % to 0.4 % Using Multi ProductCalibrator by DirectMethod



1 mA to 10 mA 0.15 % to 0.14 % Using Multi ProductCalibrator by DirectMethod



10 mA to 1 A 0.14 % to 0.16 % Using Multi ProductCalibrator by DirectMethod


AC Current @ 50Hz 10 A to 500 A 0.4 % to 0.35 % Using Multi ProductCalibrator and Currentcoil 50 turns by DirectMethod


AC Power SinglePhase 50 Hz @ U.P.F120 V to 240 V10 mAto 10 A

1.2 W to 2.4 kW 0.19 % to 0.17 % Using Multi ProductCalibrator by DirectMethod








Remarks



100 V to 300 V 0.066 % to 0.065 % Using Multi ProductCalibrator by DirectMethod









10 mV to 100 mV 0.41 % to 0.083 % Using Multi ProductCalibrator by DirectMethod



100 mV to 1 V 0.083 % to 0.04 % Using Multi ProductCalibrator by DirectMethod


Capacitance @ 1 kHz 1 nF to 10 nF 1.74 % to 0.7 % Using Multi ProductCalibrator by DirectMethod








Remarks


Capacitance @ 1 kHz 10 nF to 100 nF 0.7 % to 0.42 % Using Multi ProductCalibrator by DirectMethod


Capacitance @ 1 kHz 100 nF to 1 µF 0.42 % to 0.41 % Using Multi ProductCalibrator by DirectMethod


Capacitance @ 100 Hz 1 µF to 10 µF 0.41 % to 0.53 % Using Multi ProductCalibrator by DirectMethod


Capacitance @ 100 Hz 10 µF to 100 µF 0.53 % to 0.70 % Using Multi ProductCalibrator by DirectMethod


Capacitance @ 100 Hz 100 µF to 0.3 mF 0.70 % to 0.95 % Using Multi ProductCalibrator by DirectMethod

24 ELECTRO-TECHNICAL- DIRECTCURRENT (Measure)

DC Current 1 A to 3 A 0.082 % to 0.15 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


DC Current 1 mA to 10 mA 0.064 % to 0.081 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod








Remarks


DC Current 10 mA to 100 mA 0.081 % to 0.064 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


DC Current 100 mA to 1 A 0.064 % to 0.082 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


DC Current 3 A to 10 A 0.15 % to 0.20% Using 6½ HighPrecision DigitalMultimeter by DirectMethod


DC Voltage 1 mV to 10 mV 0.41 % to 0.045 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


DC Voltage 10 mV to 100 mV 0.045 % to 0.0084 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


DC Voltage 10 V to 1000 V 0.0034 % to 0.006 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


DC Voltage 100 mV to 10 V 0.0084 % to 0.0034 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


Resistance 1 Mohm to 10 Mohm 0.013 % to 0.047 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod








Remarks


Resistance 1 ohm to 10 ohm 0.36 % to 0.047 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


Resistance 10 Mohm to 100 Mohm 0.047 % to 0.94 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


Resistance 10 ohm to 100 ohm 0.047 % to 0.016 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


Resistance 100 Mohm to 1000Mohm

0.94 % to 2.32 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod


Resistance 100 ohm to 1 Mohm 0.016 % to 0.013 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod

39 ELECTRO-TECHNICAL- DIRECTCURRENT (Source)

DC Current 1 A to 10 A 0.04 % to 0.074% Using Multi ProductCalibrator by DirectMethod


DC Current 1 mA to 10 mA 0.022 % to 0.019 % Using Multi ProductCalibrator by DirectMethod


DC Current 10 A to 500 A 0.3% to 0.30 % Using Multi ProductCalibrator and Currentcoil 50 turns by DirectMethod








Remarks


DC Current 10 mA to 1 A 0.019 % to 0.04 % Using Multi ProductCalibrator by DirectMethod


DC Resistance 0.1 Mohm to 1 Mohm 2.31 % to 2.31 % Using High Stabilitydecade Megohm boxby Direct Method


DC Resistance 0.1 ohm to 1 ohm 0.59 % to 0.06 % Using High precisiondecade resistance boxby Direct Method


DC Resistance 1 kohm to 10 kohm 0.018 % to 0.018 % Using Multi ProductCalibrator by DirectMethod


DC Resistance 1 Mohm to 1000 Mohm 2.31 % to 2.32 % Using High Stabilitydecade Megohm boxby Direct Method


DC Resistance 1 ohm to 1 kohm 0.06 % to 0.058 % Using High precisiondecade resistance boxby Direct Method


DC Resistance 1 ohmto 10 ohm

0.94 % to 0.107 %

Using Multi ProductCalibrator by DirectMethod


DC Resistance 10 kohm to 10 Mohm 0.018 % to 0.076 % Using Multi ProductCalibrator by DirectMethod


DC Resistance 10 Mohm to 100 Mohm 0.076 % to 0.58 % Using Multi ProductCalibrator by DirectMethod


DC Resistance 10 ohm to 1 kohm 0.107 % to 0.018 % Using Multi ProductCalibrator by DirectMethod








Remarks


DC Voltage 1 mV to 10 mV 0.36 % to 0.04 % Using Multi ProductCalibrator by DirectMethod


DC Voltage 1 V to 1000 V 0.007 % to 0.0067 % Using Multi ProductCalibrator by DirectMethod


DC Voltage 10 mV to 1 V 0.04 % to 0.007 % Using Multi ProductCalibrator by DirectMethod

55 ELECTRO-TECHNICAL-TEMPERATURESIMULATION (Source)

J-TYPE(Recorder/Indicator/Controller)

-200 °C to -30 °C 0.33 °C Using Multi ProductCalibrator by DirectMethod



-30 °C to 760 °C 0.22 °C Using Multi ProductCalibrator by DirectMethod



760 °C to 1200 °C 0.29 °C Using Multi ProductCalibrator by DirectMethod


K-TYPE(Recorder/Indicator/Controller)




-200 °C to -25 °C 0.39 °C Using Multi ProductCalibrator by DirectMethod








Remarks





RTD (PT 100)(Recorder/Indicator/Controller)

-200 °C to 600 °C 0.15°C Using Multi ProductCalibrator by DirectMethod


R-TYPE(Recorder/Indicator/Controller)



R-TYPE(Recorder/Indicator/Controller)



S-TYPE(Recorder/Indicator/Controller)



S-TYPE(Recorder/Indicator/Controller)

1000 °C to 1750 °C 0.80°C Using Multi ProductCalibrator by DirectMethod


T-TYPE(Recorder/Indicator/Controller)


67 ELECTRO-TECHNICAL- TIME &FREQUENCY(Measure)

Frequency 10 Hz to 100 Hz 0.08 % to 0.013 % Using 6½ HighPrecision DigitalMultimeter by DirectMethod








Remarks


Frequency 100 Hz to 100 kHz 0.013% Using 6½ HighPrecision DigitalMultimeter by DirectMethod


Time 1.4 sec to 600 sec 0.13 sec to 0.41 sec Using Time Totaliser byComparison Method


Time 10000 sec to 86400sec

5.91 sec to 50 sec Using Time Totaliser byComparison Method


Time 600 sec to 10000 sec 0.41 sec to 5.91 sec Using Time Totaliser byComparison Method

72 ELECTRO-TECHNICAL- TIME &FREQUENCY (Source)

Frequency 10 Hz to 100 Hz 0.014 % to 0.004 % Using Multi ProductCalibrator by DirectMethod

73 ELECTRO-TECHNICAL- TIME &FREQUENCY (Source)

Frequency 100 Hz to 100 kHz 0.004 % to 0.003 % Using Multi ProductCalibrator by DirectMethod

74 MECHANICAL-DIMENSION (BASICMEASURINGINSTRUMENT,GAUGE ETC.)

Bore DialGauge(Transmissionerror only)Span Dia. 6mm to 300 mm.L.C.: 1µm

Up to 1 mm 0.9 µm Dial Gauge Calibratorwith DRO Electronicprobe with Indicator(LVDT) by ComparisonMethod


Cylindrical measuringpins(Grade "1" andCoarser)

1 mm to 20 mm 1.0 µm Electronic probe withcomparator. Methodbased








Remarks


Depth MicrometerL.C.:10 µm

0 mm to 100 mm 3.0 µm Grade "0" GaugeBlocks & Surface plateby Comparison Method


Dial / Digital PlungerDial GaugeL.C.: 1 µm

0 to 1 mm 0.88 µm Dial Gauge Calibratorwith DRO Electronicprobe with Indicator(LVDT) by ComparisonMethod


Dial ThicknessGaugeLC: 0.01 mm.

0 to 10 mm 6.4 µm Grade "0" GaugeBlocks by ComparisonMethod


Digital Depth VernierL.C.: 10 µm

0 mm to 300 mm 9.30 µm Grade "0" GaugeBlocks, Grade "0" LongGauge Blocks byComparison Method


Digital HeightGaugeL.C.: 10 µm

0 mm to 300 mm 9.5 µm Grade "0" GaugeBlocks,Grade "0" LongGauge Blocks byComparison Method


Digital Micrometer L.C.:1 µm

> 25 mm to 150 mm 1.22 µm Grade "0" GaugeBlocks,Grade "0" LongGauge Blocks byComparison Method








Remarks


Digital MicrometerL.C.:1 µm

0 to 25 mm 0.81 µm Grade "0" GaugeBlocks,Grade "0" LongGauge Blocks byComparison Method


Digital Vernier CaliperL.C.: 10 µm

0 mm to 300 mm 9.5 µm Caliper Checker/Grade"0" Gauge Blocks byComparison Method


Digital Vernier CaliperL.C.: 10 µm

300 mm to 600 mm 11.8 µm Caliper Checker/Grade"0" Gauge Blocks byComparison Method


External MicrometerL.C.: 10 µm

> 150 mm to 300 mm 3.4 µm. Grade "0" GaugeBlocks,Grade "0" LongGauge Blocks byComparison Method


Lever Type Dial GaugeL.C.: 2 µm

Up to 0.2 mm 1.40 µm Using Dial GaugeCalibrator with DROElectronic probe withIndicator (LVDT) byComparison Method


Lever Type DialGaugeL.C.: 10 µm

0.8 mm 5.8 µm Using Dial GaugeCalibrator with DROElectronic probe withIndicator (LVDT) byComparison Method








Remarks


Plain Plug Gauge 5 mm to 90 mm 2.5 µm Floating Carriage DialMeasuring Machine byComparison Method


Plunger DialGaugeL.C.: 10 µm

1 mm to 12 mm 3.0 µm Dial Gauge Calibratorwith DRO Electronicprobe with Indicator(LVDT) by ComparisonMethod


Test Sieves 10 mm to 100 mm 22.0 µm Digital Vernier Caliperby Comparison Methodbased


Thread Plug Gauge 5 mm to 100 mm 2.5 µm Floating CarriageDia.MeasuringMachine, SettingMaster & ThreadMeasuring Wires byComparison Method


Vernier Height GaugeL.C.: 20 µm

300 mm to 600 mm 10.7 µm Grade "0" GaugeBlocksGrade "0" LongGauge Blocks byComparison Method

93 MECHANICAL-PRESSUREINDICATING DEVICES

Pressure ( Hydraulic )Pressure Gauges /Pressure Transducers

0 to 100 bar 0.24 % of rdg Pressure calibratorComparison Methodbased on DKD-R-6-1


Pressure (Hydraulic)Pressure Gauges /Pressure Transducers.

0 to 700 bar 0.54 % of rdg Pressure calibrator byComparison Methodbased on DKD-R-6-1








Remarks


Vacuum Gauges /Vacuum Transducers.

(-) 50 mmHg to (-) 600mmHg

0.81 % of rdg Digital pressure gaugeComparison Methodbased on DKD-R-6-2






Laboratory Name BEST ENGINEERS CALIBRATION LAB, 59 ......Laboratory Name BEST ENGINEERS CALIBRATION...

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