IM 12B6J3-E-H 5th edition

InstructionManual

Model PH20 & FU20pH/ORP Combination sensor

YOKOGAWA

IM 12B6J3-E-H

TABLE OF CONTENTS

1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-2. Unpacking and Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-3. Warranty and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

2. General Specifications PH20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-1. Measuring elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-2. Construction materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-3. Functional specifications (at 25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-4. Dynamic specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22-5. Operating range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

3. Installation Site PH20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33-1. Installation Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33-2. Preparing the Sensor for Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33-3. Mounting the Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

4. General Specifications FU20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74-1. Measuring elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74-2. Construction materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74-3. Functional specifications (at 25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74-4. Dynamic specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74-5. Operating range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

5. Installation Site FU20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-1. Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-2. Preparing the Sensor for Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85-3. Mounting the Sensor into the Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

6. Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126-1. Conventional pH (& ORP) Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126-2. Wiring for ORP measurement with normal reference . . . . . . . . . . . . . . . . . . . . . . .126-3. Wiring for ORP measurement with pH reference . . . . . . . . . . . . . . . . . . . . . . . . . .12

7. General Calibration & Maintenance Procedure . . . . . . . . . . . . . . . . . . . . . . . . .137-1. Calibration for pH measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137-2. Calibration for ORP measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137-3. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

8. Model Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

9. Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

IM 12B6J3-E-H

IM 12B6J3-E-H

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1. GENERAL

1-1. INTRODUCTIONThis instruction manual provides informationfor the installation and use of the FU20 andPH20, four-in-one wide body pH sensors.While both sensors can be used in a varietyof applications, in general, the FU20 is thechoice for the majority of typical wastewaterand process applications. The PH20 with itspatented "compensation panels", is selectedwhen more aggressive chemicals (PVDFbody) or varying process temperatures andpressures are present.

The Model PH20 is patented design, provi-des continuous compensation for temperatu-re and pressure changes in the processresulting in an extremely accurate and stablemeasurement. With this one sensor, pH,redox (ORP) and temperature can be meas-ured simultaneously. The PH20 can be easilyinstalled using a variety of adapters inStainless Steel or PVDF. You can choosefrom a common 3/4" or 1" NPT threadedconnection or select the optional (/SF4)stainless adapter that allows the use ofYokogawa’s FF40, FS40 or FD40 sensorholders.The Model FU20 offers a simple and costeffective solution for a wide variety of waste-water and process applications. This all-in-one sensor provides simultaneous measure-ment of pH, redox (ORP) and temperature ifdesired. The rugged Ryton body is designedfor easy installation into on-line and immer-sion applications via the 3/4" NPT threadedconnections provided on both ends of thesensor. Optional quick-removal adapters inboth stainless steel and titanium are availableto make calibration and maintenance eveneasier.

Both the PH20 and FU20 include an integralcable of optional lengths designed to minimi-ze the adverse affects of noise can have onthe measurement. This cable is pre-finishedto make connection to any industrial pH ins-trument as simple as possible.

1-2. Unpacking and CheckingUpon delivery, unpack the sensor carefullyand inspect it to ensure it was not damagedduring shipment. If damage is found, retain

the original packing materials (including outerbox) and then immediately notify the carrierand the relevant Yokogawa sales office.Make sure the Model Code on the sensor isthe same as on the packing list. Also, checkany option(s) that were ordered are includedand correct. The PH20 sensor has an identi-fication number on the cable with the fullModel Code and a Serial Number included

1-3. Warranty and ServiceYokogawa products and parts are guaran-teed free from defects in workmanship andmaterial under normal use and service for aperiod of (typically) 12 months from the dateof shipment from the manufacturer. Individualsales organizations can deviate from the typi-cal warranty period, and the conditions ofsale relating to the original purchase ordershould be consulted. Damage caused bywear and tear, inadequate maintenance, cor-rosion, or by the effects of chemical proces-ses are excluded from this warranty covera-ge. In the event of warranty claim, the defec-tive goods should be sent (freight paid) to theService Department of the relevant salesOrganization for repair or replacement (atYokogawa’s discretion). The following infor-mation must be included in the letter accom-panying the returned goods:1. Part Number, Model Code and Serial

Number.2. Original Purchase Order and Date.3. Length of time in service and description

of the process.4. Description of the fault and circumstances

of the failure.5. Process/environmental conditions that

may be related to the failure of the sensor6. Statement as to whether warranty or non-

warranty service is requested.7. Complete shipping and billing instructions

for return of material, plus the name andphone number of a contact person thatcan be reached for further information.

Returned goods that have been in contactwith process fluids must be decontaminatedand disinfected prior to shipment. Goodsshould carry a certificate to this effect, for thehealth and safety of our employees. MaterialSafety Data sheets must be included for allcomponents of the process to which thesensors/fittings have been exposed.

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2. GENERAL SPECIFICATIONS PH202-1. Measuring elements : pH glass electrode

: Silver chloride reference: Solid platinum electrode: Pt1000 temperature sensor.

2-2. Construction materialsBody : PVDFEarthing pin : Solid PlatinumO-ring : VitonReference junction : Porous PTFECable : Coaxial with 4 extra leads

2-3. Functional specifications (at 25°C)Isothermal point : pH 7Glass impedance : 200 MΩ (nominal)Reference system : Ag/AgCl with saturated KClJunction resistance : 1 to10 kΩTemperature element : Pt1000 to IEC 751Asymmetry potential : < 15 mVSlope : > 96 % (of theoretical value)

NOTE:The temperature sensor included in the PH20 is intended to provide indication and cellcompensation. The construction has not been tested to the pressure vessel standardsrequired for plant temperature control.

2-4. Dynamic specificationsResponse time pH step (7 to 4) : < 10 sec for 90%Response time temp step (10°C) : < 3 min for 90 %Stabilisation time (0.02 pH unit/ 10 s) : < 1 minute

2-5. Operating rangepH : 0 to 14Temperature : -10 to 100 °C (14 to 212 °F)Pressure : 0 to 10 bar ( 0 to 145 PSIG)Conductivity : > 50 µS/cmStorage temperature : -30 to 50 °C (-22 to 122 °F)

NOTE:Specifications should not be considered in isolation. For example the pH range can be 2-12pH, where the measurement is at elevated temperatures. For advice about specific applica-tions please contact your local sales office.

Pressure Effects on sensor mV

Conventional SensorPressure

po

tent

ial (

m V

)

Tempress

-180

-200

-220

-240

-260

-280

-300

200 250 300time (min)>

15

10

5

0

pre

ssur

e (b

ar)

The erratic trend of the standard sensor showsthe progressive contamination of its referencejunction. The graph indicates between 0.1 to 0.4pH error with the conventional sensor while thereadings from the Tempress are extremely sta-ble.

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3. INSTALLATION OF PH20

For optimum measurement results, the PH20should be installed in a location that offers anacceptable representation of the processcomposition and DOES NOT exceed thespecifications of the sensor. The PH20 isdesigned with threads on either end of thebody to allow installation via a selection ofadapters, in a wide variety of applications.

3-1. Typical InstallationThe PH20 sensor is designed for in-lineinstallation, via a bypass loop as an immer-sion assembly. For best results the PH20should be mounted with the process comingtowards the sensor (see Fig 1) and positio-ned at least 15° above the horizontal planeto eliminate air bubbles in the glass bulb.

3-2. Preparing the Sensor for UseRemove the sensor from its shipping boxand slide off the "wet pocket" (the tube filledwith solution to keep the measuring ele-ments from drying out in storage or ship-ment).Two sets of O-rings are provided with thesensor, a Viton set and an EPDM set. Thewet pocket is sealed on the sensor with (2)Viton O-rings (K1511DP is 5 sets of 2 eachViton O-rings). An EPDM set is supplied in aplastic bag as an alternative (K1511DQ is 5sets of 2 each EPDM O-rings).

IMPORTANT NOTICEBefore installing the sensor in the process itshould be calibrated. The calibration proce-dure is normally described in the instrumentInstruction Manual, but a general Guide isprovided in Section 7.

3-3. Mounting the SensorApply Teflon (PTFE) tape to the threaded endof the appropriate adapter (step 2). Theninstall the selected adapter (/FN4, /FR4,/SNE, /SR3) in the process, tightening it byapplying a suitable torque using a spanneron the adapter flats see Steps 1 & 3).

Next, screw the PH20 sensor into the adap-ter making sure that there are (2) O-ringsmounted in the correct grooves (step 4).These O-rings form a seal on the straightsection inside the adapter. This means that

the sensor needs only to be hand tightened,(until the O-rings are completely covered) forthe seal to be completed (step 5).

NOTE 1:DO NOT over tighten the sensor, as damagemay result.

NOTE 2:Installing the PH20, requires approximatelyseven turns. Take care, to leave enoughslack so that the cable is not twisted anddamaged.

If you are using one of the FF40, FS40 orFD40 holders, simply screw the adapter(/SF4) on the sensor body at the cable endensuring the O-rings are correctly installed.See Section 6 for instructions to wire thesensor to the instrument.

15º Minimum

5

tape

2 31

4

Figure 1. Sensor Installation

WrenchFlats

Teflon Tape

Process Flow

Do NOTovertighten

Handtighten

SealingO-rings

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O-rings (2x)

O-rings (2x)

/FN4/FR4/SN3 /SR3

/FN4 /FR4/SN3 /SR3

Figure 2. Adapters for the PH20

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220.5 (8.68")

170 (6.70")

190.4 (7.50")

ISO 228/1-G3/4 ISO 228/1-G3/4Ø 22 (0.86")

90 (3.54")

Unit: mm (inches)

Figure 4. Dimensions of the sensor

Using the /SF4 adapter, the PH20 canbe mounted in the standard range ofconductivity flow fitting and sub-assem-blies. The adapter can be mounted onthe front thread or the back dependenton the required insertion depth.

Figure 3. Installation Examples using the /SF4 adapter

Sensorcable

Plug-insensor

/SF4 adapter

FS40-S22-WE

FS40-S22-TP

Front- and backend mountingin the FF40

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1" NPT

Ø 36.0 (1.42")

Ø 30.0 (1.18")

45 (1

.77"

)

25.2

(1.0

")ISO 228/1-G3/4"

3/4" NPT

Ø 36.0 (1.42")

Ø 30.0 (1.18")

45 (1

.77"

)

25.2

(1.0

")

20.0

(0.8

")

ISO 228/1-G3/4"

ISO 228/1-G3/4"

Ø 36.0 (1.42")

15 (0

.6") 30

(1.1

8")

Ø 30 (1.18")

ISO 228/1-G3/4"

Ø 38.0 (1.50")

15 (0

.6")

29.5

(1.1

6")

Ø 31 (1.22")

Ø 30.0 (1.18")

/SN3 (3/4” NPT) and /SR3 (3/4” R)

/FN4 (1” NPT) and /FR4 (1”R)

/SF4 Adapter for FF40, FS40 and FD40 fittings

/PH8 Adapter for PH8 Combi Sensor fittings (only)

Unit: mm (inches)

Figure 5. Dimensions of the adapters

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4. GENERAL SPECIFICATIONS FU20

4-1. Measuring elements : pH glass electrode: Silver chloride reference: Solid platinum electrode: Pt1000 temperature sensor.

4-2. Construction materialsBody : PPS 40GF (Ryton) with glass fillingEarthing pin : Solid PlatinumO-ring : NoneReference junction : Porous PTFECable : Coaxial with 4 extra leads

4-3. Functional specifications (at 25°C)Isothermal point : pH 7Glass impedance

- Dome shape : 250 to 500 MΩ- Flat Surface : 400 to 1000 MΩ

Reference system : Ag/AgCl with saturated KCIJunction resistance : 0.5 to 5 kΩTemperature element : Pt1000 to IEC 751Asymmetry potential : < 15 mVSlope : > 96 % (of theoretical value)

NOTE:The temperature sensor included in the FU20 is intended to provide indication and cellcompensation. The construction has not been tested to the pressure vessel standardsrequired for plant temperature control.

4-4. Dynamic specificationsResponse time pH step (7 to 4) : < 15 sec for 90%Response time temp step (10°C)

- Dome shape : < 3 min for 90%- Flat Surface : < 6 min for 90%

Stabilisation time (0.02 pH unit/ 10 s) : < 2 minutes

4-5. Operating rangepH : 0 to 14Temperature : -10 to 105 °C (14 to 221 °F)Pressure : 0 to 10 bar ( 0 to 145 PSIG)Conductivity : > 50 µS/cmStorage temperature : -30 to 50 °C (-22 to 122 °F)

NOTE:Specifications should not be considered in isolation. For example the pH range can be2-12 pH, where the measurement is at elevated temperatures. For advice about specificapplications please contact you local sales office.

IM 12B6J3-E-H

5. INSTALLATION OF FU20

For optimum measurement results, theFU20 should be installed in a location thatoffers an acceptable representation of theprocess composition and DOES NOTexceed the specifications of the sensor.The FU20 is designed with threads oneither end of the body 3/4" NPT or ISO 7/1–R 3/4) to allow installation in a wide varietyof applications.

5-1. Typical InstallationThe FU20 sensor is designed for in-lineinstallation, via a bypass loop as animmersion assembly. For best results theFU20 should be mounted with the processcoming towards the sensor (Fig 7) andpositioned at least 15° above the horizontalplane to eliminate air bubbles in the glassbulb.

5-2. Preparing the Sensor for UseRemove the sensor from its shipping boxand slide off the "wet pocket" (the tubefilled with solution to keep the measuringelements from drying out in storage orshipment).

IMPORTANT NOTICEBefore mounting the sensor, it should becalibrated. The calibration procedure isnormally described in the InstructionManual of the pH transmitter, but a generalcalibration is given in section 7 of thismanual.

5.3 Mounting the SensorThe FU20 can be mounted using the thre-ads on the body of the sensor (Fig. 6).Apply Teflon tape to the appropriatethreaded end, then install in the process.

The FU20 can also be mounted using thethreaded end of the quick release adapter.Apply Teflon (PTFE) tape to the threadedend of the quick release adapter (step 2).Then install the adapter (/NSS, /NTI, /BSPor /BTI) in the process, tightening it byapplying a suitable torque using a spanneron the adapter flats, steps 1 & 3.

8

Next, slide the mating part of the adapterfrom the cable end of the FU20 (step 4)sensor and mount into the adapter makingsure that the O-ring seats properly (step 5& 6). Hand tightened the adapter nut (step7).

NOTE:DO NOT over tighten the sensor, as dama-ge may result.

See Section 6 for instructions to wire thesensor to the instrument.

FU20

TeflonTape

FU20

Figure 6. Sensor Installation

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Wrench Flats

Teflon Tape

Process Flow

Do NOTovertighten

Figure 7. Sensor & adapter Installation

Teflon Tape

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FU20

O-ring

Fitting

Adapter( /FPS )

O-ring

/HCNF, SPRAY CLEANER

FU20 + ADAPTERFU20 + FD40

Figure 8. Installation examples for the FU20

ProcessFlow

/SN3/SR3/FN4/FR4

CleaningSolution

(water, acid, etc.)

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3/4" TAPERED THREAD 3/4" TAPERED THREAD

22.5 (0.89")

19.7 (0.78")19.7(0.78")

Ø 2

6.0

(1.0

2")

1” NPT or ISO 7/1-R1

51.0 (2.3")

150.0 (5.9")

10.0 (0.39")

Ø 2

2.0

(0.8

6)

Ø 35.5 (1.4")

Ø 39.0 (1.54")

99.0

(3.

9")

25.0

(1"

)

1” NPT orISO 7/1-R1

Ø 30.0 (1.18")

Ø 30.0 (1.18")

Ø 36.0 (1.42")

10.0

(0.

4")

5.0

(0.2

")

35.0

(1.

38")

Figure 9. Dimensions FU20

Figure 10. Dimensions 1” FU20 adapter Stainless Steel & Titanium

Figure 11. Dimensions FU20 adapter for FF40, FS40 and FD40 fittings

-NPT

/NSS, /NTI, /BSP, /BTI

-FSM

/NSS, /NTI, /BSP, /BTI

/FPS

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TEMPERATURE

TEMPERATURE

REFERENCE

REFERENCE SCREEN

SOLUTION GROUND

Pt (ORP Measure)

GLASS SCREEN

(11)

(12)

(13)

(17)

(14)

(15)

(16)16 15

11

12

13

14

(Not used)

T2

T1

RE

SE

GE

S

ORP WIRING DIAGRAM with normal reference

TEMPERATURE

TEMPERATURE

REFERENCE (pH)

REFERENCE SCREEN

(SOLUTION GROUND)

Pt (ORP Measure)

GLASS SCREEN

(11)

(12)

(13)

(17)

(14)

(15)

(16)

13

11

12

15

14

(Not used)

16

T2

T1

RE

SE

GE

S

ORP WIRING DIAGRAM with pH sensor as reference

TEMPERATURE

TEMPERATURE

REFERENCE

REFERENCE SCREEN

SOLUTION GROUND

GLASS (Measure)

GLASS SCREEN

(11)

(12)

(13)

(17)

(14)

(15)

(16)

11

12

13

14

16

T2

T1

RE

SE

GE

S

15

pH (& ORP) WIRING DIAGRAM6. WIRING

6-1. Conventional pH (& ORP) WiringConnect the PH20 or FU20 to the EXA orEXAxt PH Analyzer as shown (Fig 12). Withthis configuration, it is possible to measureORP (or rH) at the same time (Refer to theEXA or EXAxt Manual for appropriate impe-dance jumper and Service Code settings).

6-2. Wiring for ORP measurement withnormal reference

Connect the PH20 or FU20 to the EXA orEXAxt PH Analyzer as shown (Fig 13).Refer to the EXA or EXAxt Manual forappropriate impedance jumper and ServiceCode settings).

6-3. Wiring for ORP measurement withpH reference

Connect the PH20 or FU20 to the EXA orEXAxt PH Analyzer as shown (Fig 14).Refer to the EXA or EXAxt Manual forappropriate impedance jumper and ServiceCode settings).

Figure 12.

Figure 13.

Figure 14.

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7. GENERAL CALIBRATION &MAINTENANCE PROCEDURE

7-1. Calibration for pH measurementTo calibrate a pH sensor, two buffer solu-tions with known pH values are required. Itis recommended that one buffer solutionhave a value near to pH 7.00. Dependingon the process value to be measured, thesecond buffer solution should be either aci-dic (below 7.00) or alkaline (above 7.00)area. Normally, the IEC buffers (4.01, 6.87and 9.18) are used.

The following is a very general 2-point cali-bration procedure.

1. Clean the sensor (deposits may beremoved using a 5% (approximate) solu-tion of HCL).

2. Rinse sensor thoroughly with cleanwater.

3. Immerse the sensor in the first buffer(6.87 pH is recommended).

4. Refer to appropriate InstrumentInstruction Manual for Calibration proce-dures (Auto; Manual; Sample, etc.),

5. Rinse sensor thoroughly with cleanwater.

6. Immerse the sensor in the second buffer(4.01 or 9.18 recommended).

7. Repeat Step 4.

During calibration the temperature com-pensation should be active. The instrumentautomatically compensates for the sensitivi-ty change of the pH sensor at differenttemperatures. After calibration is completereplace or re-install the sensor into the pro-cess.

7-2. Calibration for ORP measurementFor ORP calibrations the same procedureand buffer solutions pH 6.87 and pH 4.01are to be used. When 1-20 grams (±1 tea-spoon) quinhydrone is added to eachbuffer, it will produce a stable redox poten-tial of 96 mV and 265 mV respectively.Mostly only 1-point calibrations are perfor-med. Some analyzers also have the possi-bility to adjust the slope (2-point calibra-tion).

7-3. MaintenanceAll pH sensors require routine maintenanceto keep the measuring elements clean andfunctioning. Depending on the process,different cleaning solutions may be requi-red.

EXAMPLES:1. Deposits of limes, hydroxides or carbo-

nates can be removed by immersing thesensor in a solution containing dilutehydrochloric acid (5% is recommended).Afterwards rinse with water.

2. Deposits of oil and fat can be removedwith hot water in conjunction with adetergent. When the results are unsatis-factory, a mild (carbonate based) abrasi-ve can be used.

3. Protein deposits should be removed witha protein enzymatic solution. For instan-ce a solution containing 8.5ml concen-trated hydrochloric acid and 10 grams ofpepsin in 1 liter of water will do.

After cleaning the probe is reinserted intothe process by following the reverse proce-dure.

NOTE:Avoid using non-polar solvent like tri-chloroethylene, toluene or hexane. Cleaning withiso-propanol or methanol is acceptable.

The non-polar solvents will break up thegel-layer on the glass bulb and requiresthat the electrode to be soaked in water forat least 12 hours before functioning nor-mally again.

The Teflon (PTFE) diaphragm of the sensorcan sometimes be regenerated by puttingit in hot (60 to 80°C) 3 molar PotassiumChlorine (KCL) solution and letting it cool toroom temperature. This procedure clearsthe junction of process material and then"draws" the conductive (KCL) back into thejunction.

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Model Suffix Option DescriptionCode codePH20 4-in-1 pH/ORP sensorMaterial -F PVDFMembrane -G Dome shapedCable length -02 2 mtr

-05 5 mtr-10 10 mtr-20 20 mtr-30 30 mtr

Temp. element -T1 Pt1000-N -A Always -N -A

Options /SN3 3/4” NPT adapter, SS (316L)/SR3 3/4” R adapter, SS (316L)/FN4 1” NPT adapter, PVDF /FR4 1” R adapter, PVDF /PH8 Adapter for PH8 combi sensor fittings (only)/SF4 Stainless steel adapter for FF40, FS40 and

FD40 fittings/HCNF Hastelloy cleaning system

Model Suffix Option DescriptionCode codeFU20 Wide body sensorCable length -03 3 mtr

-05 5 mtr-10 10 mtr-20 20 mtr

Temp. element -T1 Pt1000Model -NPT Dome shape model

-FSM Flat surface modelOptions /Q Quality Inspection Certificate

/HCNF Hastelloy cleaning system/FPS Adapter F*40 from noryl/NSS 1” NPT adapter, SS (316L)/NTI 1” NPT adapter, Titanium/BSP 1” BSP adapter, SS (316L)/BTI 1” BSP adapter, Titanium

8. MODEL CODES

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9. SPARE PARTS

Spare part Description

FU20K1523DC /FPS Adapter for FF40, FS40 and FD40 fittings (PPO)K1547PK /NSS 1” NPT, Stainless Steel adapter (Viton O-ring)K1547PL /BSS ISO 7/1-R1, Stainless Steel adapter (Viton O-ring)K1547PM /NTI 1” NPT, Titanium adapter (Viton O-ring)K1547PN /BTI ISO 7/1-R1, Titanium adapter (Viton O-ring)K1500 FR Viton O-rings 29.82*2.62 (5 pcs) for 1” adapterK1500FS EPDM O-rings 29.82*2.62 (5 pcs) for 1” adapterK1500FT Silicone O-rings 29.82*2.62 (5 pcs) for 1” adapter

PH20K1547PC /FN4 1" NPT adapter, PVDFK1547PD /FR4 1" R adapter, PVDF K1547QA /SN3 3/4" NPT adapter, SS (316L)K1547QB /SR3 3/4" R adapter, SS (316L)K1547PE /PH8 Adapter for Combi Sensor, PVDFK1547QF /SF4 Stainless steel adapter for FF40, FS40 and FD40 fittingsK1511DP Viton O-rings 21.9*2.62 (5 set of 2 pcs) K1511DQ EPDM O-rings 21.9*2.62 (5 set of 2 pcs)

Cleaning system for FU20 & PH20K1547PJ Hastelloy cleaning system (HCNF) K1547PG Hastelloy nozzle and mounting set (HCNF) K1547PH Nylon tube (10 metre) and tube mounting set for chemical

cleaning system

Buffer powder6C231 Buffer powder pH 1.68 ; IEC746-26C232 Buffer powder pH 4.01 ; IEC746-26C236 Buffer powder pH 9.18 ; IEC746-26C237 Buffer powder pH 6.87 ; IEC746-2

TesterQT20 pH/ORP input simulator with carrying case and cables

Connection equipmentBA10 Junction box for pH extension cablesWF10-XXX-F pH signal cable with terminated ends. Specify length in whole

meters (e.g. XXX = 020)

IM 12B6J3-E-H Printed in The Netherlands, 05-112 (A) QSubject to change without noticeCopyright ©

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YOKOGAWA

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Block 02A, 06-01

ISO 9001

CERTIFICATEDFIRM