Yokogawa FU24F User Manual

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Instruction Manual

Model FU24F pH/ORP SENCOM™ sensor

IM 12B6J8-01E-E

1st edition

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IM 12B6J8-01E-E

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IM 12B6J8-01E-E

CONTENTS

1. PREFACE 5

1.1 Introduction 5

1.2 Unpacking and Checking 5

1.3 Warranty and Service 6

1.4 Serial Number definition 6

2. GENERAL SPECIFICATIONS 7

2.1 Measuring elements 7

2.2 Wetted parts 7

2.3 Functional specifications (at 25°C) 7

2.4 Dynamic specifications 7

2.5 Operating range 8

2.7 Power supply (Supply+ versus Supply Gnd) 8

2.8 Regulatory standards 9

2.9 Shipping details 12

2.10 Environment and operational conditions 12

2.11 Mechanical specifications 12

3. INSTALLATION OF FU24F 12

3.1 Typical installation 12

3.2 Mounting the sensor 12

3.3 Preparing the sensor for use 12

4. DIMENSIONS 13

5. WIRING 14

6. GENERAL CALIBRATION & MAINTENANCE PROCEDURE 14

6.1 Calibration for pH measurement 14

6.2 Calibration for ORP and rH measurement 15

6.3 Maintenance of the FU24F sensor 15

7. MODEL CODE 16

8. SPARE PARTS 16

9. EU DECLARATION OF CONFORMITY 17

10. CHEMICAL COMPATIBILITY CHART 19

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1. PREFACE

1.1 Introduction

This Instruction Manual provides information for the installation and use of the FU24F SENCOM™ sensor. This digital sensor shows how Yokogawa applies the motto “Simply the Best” to sensor technology. Setup of the sensor is very easy because all sensor specific characteristics, such as calibration data, are stored in the sensor. The FU24F SENCOM™ sensor holds four separate measuring elements in one unbreakable and chemical resistant PPS 40GF (RytonTM) wide body:

• pH glass electrode.

• Long life saturated Ag/AgCl reference

system with double junction, combined with ion-trap to prolong the lifetime of the reference probe even in chemically unfavorable environments.

• Integral Pt1000 element for accurate

temperature measurements.

• Solid Platinum ORP/LE electrode for

accurate simultaneous pH and ORP measurements.

The Model FU24F offers a simple and cost effective solution for process

applications with fluctuating pressure and/

or temperature which normally limits the lifetime of a sensor.

By using the patented Bellow system a strong pressure compensation mechanism is created. This ensures immediate interior pressure equalization to the outside process pressure, making the sensor virtually insensitive to process pressure variations.

Other valuable features of the sensor:

• PTFE reference diaphragm to prevent

fouling.

• Polymerized electrolyte to extend the

sensor lifetime.

• Available in two versions, a robust dome

shape model for applications with a limited amount of solids, and a flat surface model for application in slurries, such as in the pulp and paper industry.

• Versatile in-line or off-line installation.

The FU24F is provided with a multipole M9 male connector for connection to the

Yokogawa FLXA analyzer using the WU11

interconnection cable for SENCOM™

sensors. This cable, available in 4 fixed

lengths, is specified for reliable transfer of digital signals and especially designed to be installed in a heavy industrial environment. The double shielded cable will protect both the sensor and the analyzer for interference from high voltages and currents which are present on other cables.

1.2 Unpacking and Checking

Upon delivery, unpack the sensor carefully and inspect it to ensure that it is not damaged during shipment. If damage is found, retain the original packing material and immediately notify the carrier and the relevant local Yokogawa Sales Office. Make sure the Model Code and Serial Number on the sensor are the same as on

the packing list. Also check if option(s) that

were ordered, are included and correct.

A slight overpressure caused by the bellow

tension prevents process fluid ingress and maintains a positive ion flow out of the sensor. This feature is of particular interest in pure water applications.

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1.3 Warranty and Service

Yokogawa products are guaranteed free from defects in workmanship and materials under normal use and service for a period of (typically) 12 months from the date of shipment from the manufacturer. Individual Sales organizations can deviate from the typical warranty period, and the conditions of sale relating to the original purchase order should be consulted. Damage caused by wear and tear, inadequate maintenance, corrosion, or by the effects of chemical

processes is excluded from this warranty

coverage. In the event of a warranty claim, the defective goods should be sent (freight paid) to the Service Department of the relevant Yokogawa Sales office for repair or replacement (at Yokogawa’s discretion).

The following information must be included in the letter accompanying the returned goods:

• Model Code and Serial Number.

• Original Purchase Order and Date.

• Length of time in service and description

of the process.

• Description of the fault and circumstances

of the failure.

• Process/environmental conditions that

may be related to the failure of the sensor.

• Statement as to whether warranty or non-

warranty service is requested.

• Complete shipping and billing instructions

for return of material, plus the name and phone number of a contact person that can be reached for further information.

• Clean Statement Returned goods that have been in contact with process fluids must be decontaminated and disinfected prior to shipment. Goods should carry a certificate to this effect, for the health and safety of our employees. Material Safety Data sheets must be included for all components of the process to which the

sensor (options) has been exposed.

1.4 Serial Number definition

The Serial Number is defined by nine (9) alphanumeric characters:

X1X2 Production Location X3X4 Year/Month code X5X6X7X8X9 Tracking number

Example: N1B600028

Table 1:

Production year according to DIN. IEC 60062

Year Year code Year Year code

2010 A 2023 R

2011 B 2024 S 2012 C 2025 T 2013 D 2026 U

2014 E 2027 V

2015 F 2028 W

2016 H 2029 X 2017 J 2030 A

2018 K 2031 B

2019 L 2032 C

2020 M 2033 D 2021 N 2034 E 2022 P 2035 F

Table 2:

Production month code according to DIN. IEC 60062

Month Month code

January 1 February 2 March 3

April 4

May 5 June 6 July 7

August 8

September 9 October O November N December D

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2. GENERAL SPECIFICATIONS

2.1 Measuring elements

pH glass electrode

Ag/AgCl reference

Solid Platinum electrode Pt1000 temperature sensor

2.2 Wetted parts

Sensor body : PPS 40GF (RytonTM with glass filling) Measuring sensor : G-glass

LE glass tube : AR-glass

Reference junction : Porous PTFE Earth pin : Solid Platinum

O-ring : Viton Bellow system : Viton

2.3 Functional specifications (at 25°C) Measuring system

Isothermal point : pH 7

Reference system : Ag/AgCl with saturated KCl

Glass impedance

- Dome shape : 200 MΩ nominal

- Flat surface : 700 MΩ nominal Liquid junction : Non-flow double junction Junction resistance : 1 to 15 kΩ

Temperature element : Pt1000 to IEC 751

Asymmetry potential(zero) : 8 ± 15 mV

Slope : > 96 % (of theoretical value)

Note: The FU24F temperature sensor is designed for cell compensation and for indication.

It is NOT designed for process temperature control.

2.4 Dynamic specifications

Startup time sensor : < 60 sec. Response time pH : t90 < 15 sec. (for 7 to 4 pH step at 25 ºC) Response time temperature

- Dome shape : t90 < 1 min. (for 10 °C step)

- Flat surface : t90 < 4 min. (for 10 °C step) Stabilization time pH : < 2 min. (for 0.02 pH unit during 10 sec.)

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p(bar)

NPT

2.5 Operating range

pH : 0 to 14

ORP : -1500 to 1500 mV

rH : 0 to 100 Temperature

- Dome shape : -10 °C to 105 °C (14 °F to 221 °F)

- Flat surface : +15 °C to 105 °C (59 °F to 221 °F)

Pressure :

FSM

50 1050

Conductivity : > 10 µS/cm

Note: The pH operating range is 0-14 pH, but using the sensor at temperature- and / or

pH-extremes will seriously shorten the lifetime.

Note: Sensor is suitable for pure water applications.

2.6 Transmission signal (Data + and Data -)

General : Bi-directional digital communication (RS 485) with limited MODBUS support

Data rate : 9600 b/s (8,E,1)

Output function : pH or temperature compensated pH ORP, pH compensated ORP, rH Temperature Junction resistance Sensor details (Model, Serial Number, production date) Sensor calibration data (zero, slope, temperature offset) Sensor status signals (e.g. Glass impedance detection)

Temp. (ºC)-10 25

Note: The output functions and settings of the sensor are accessible using a dedicated

device such as the Yokogawa FLXA analyzer.

2.7 Power supply (Supply+ versus Supply Gnd)

Operating range : +2.7 to +3.6 VDC Power consumption : ≤ 20 mW

Pin # Signal description

1 Data 2 Data + 3 Supply + 4 Shield 5 Supply Gnd

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Figure 1: Sensor connector (front view)

with gold plated contacts

2.8 Regulatory standards

CE : Decision 768/2008/EC

- ATEX : Directive 94/9/EC, as amended by Regulation (EC) no. 1882/2003

- Certificate no. : DEKRA 11ATEX0064 X

II 1 G Ex ia IIC T3...T6 Ga

- Electrical data : For sensor input circuits (by connector) connected to a certified

: Ui = 6.1 V; Ii = 230 mA; Pi = 1.2 W; Li = 4 µH; Ci = 30 µF ::or : Certified intrinsically safe Yokogawa transmitter

- Special

- conditions (X) : T6 for Tamb. -40 °C to +60 °C

: Electrostatic charges on the sensor enclosure shall be avoided.

- Pressure : Directive 97/23/EC, as amended by Regulation (EC) no.

- Applying article : 3.3 (Sound Engineering Practice)

: Damaging the screw thread of the sensor might influence the

- EMC : Directive 2004/108/EC

- Low Voltage : Directive 2006/95/EC

intrinsically safe circuit with the following maximum values

Model FLXA21 series.

T5 for Tamb. -40 °C to +75 °C T4 for Tamb. -40 °C to +110 °C T3 for Tamb. -40 °C to +125 °C

1882/2003

maximum process pressure.

IEC 61326-1: 2006 Class A (control and laboratory use)

IEC 61326-2-3: 2006 (use in industrial locations)

: Sensor contains glass parts which if broken can cause cutting

injuries.

- WEEE : Directive 2012/19/EU

- RoHS : Directive 2011/65/EU

IECEx

Applying standards : IEC 60079-0: 2007

IEC 60079-11: 2006 IEC 60079-26: 2006

Certificate no. : IECEx DEK 11.0065X

Ex ia IIC T3...T6 Ga

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CSA

Certificate no. : 2516979 Master contract no. : 182892

IS, Class I Div. 1, GP A, B, C, D T3…T6

Electrical data : For sensor input circuits (by connector), connected to a certified

intrinsically safe circuit, with the following maximum values

: Ui = 6.1 V; Ii = 230 mA; Pi = 1.2 W; Li = 4 μH; Ci = 30 μF

Certified intrinsically safe Yokogawa transmitter Model FLXA21

series.

Ambient temperature : T6 for Tamb. -40 °C to +60 °C

T5 for Tamb. -40 °C to +75 °C T4 for Tamb. -40 °C to +110 °C T3 for Tamb. -40 °C to +125 °C

Note: Intrinsically safe when connected as per Control Drawing FF1-K1226QV (see Fig 2)

Control Drawing CSA

The FU24F SENCOMTM sensor shall be installed to a certified intrinsically safe circuit meeting the entity parameters of the sensor

as shown in the table as maximum values,

or to a certified intrinsically safe Yokogawa

transmitter Model FLXA21 series.

When installing this equipment, follow the manufacturer’s control drawing. Installation should be in accordance with Canadian Electrical Code, Part 1 or CEC, Part 1.

To prevent ignition of flammable or combustible atmospheres, disconnect power before servicing or read, understand and adhere to the manufacturer’s live maintenance procedures.

FU24F

Transmitter

+ -

81 82 83 84 85 86 87

WU11 cable terminals 82-84, 86-87.

Maximum cable length: 100 m.

Cable diameter:

5.8mm

Max imum value s

Ui Ii Pi Li Ci

Sensor

6.1 V

230 mA

1.2 W

30 µF

Model: NPT Dome shape FSM Flat surface

Hazardous

location

4 µH

IM 12B6J8-01E-E

IS, Class I Div. 1, GP A, B, C, D T3/T4/T5/T6 Ta 125 ºC/110 ºC/75 ºC/60 ºC

Fig 2: FF1-K1226QV Control Drawing CSA

Certificate no. : 3046277

IS, Class I Div. 1, GP A, B, C, D T3…T6

Electrical data : For sensor input circuits (by connector), connected to a

FM approved intrinsically safe apparatus meeting the entity parameters of the SENCOM™ sensor: Ui = 6.1 V; Ii = 230 mA; Pi = 1.2 W; Li = 4 μH; Ci = 30 μF or FM approved intrinsically safe Yokogawa transmitter Model

FLXA21 series.

Ambient temperature: T6 for Tamb. -40 °C to +60 °C

T5 for Tamb. -40 °C to +75 °C T4 for Tamb. -40 °C to +85 °C T3 for Tamb. -40 °C to +85 °C

Note: Intrinsically safe when connected as per Control Drawing FF1-K1226QT (see Fig 3)

Control Drawing FM

The FU24F SENCOMTM sensor shall be installed to a FM approved intrinsically safe apparatus meeting the entity parameters of the sensor as shown in the table as

maximum values, or to a FM certified

intrinsically safe Yokogawa transmitter

Model FLXA21 series.

When installing this equipment, follow the manufacturer’s control drawing. Installation

should be in accordance with ANSI/ISA

RP 12.06.01 “Installation of Intrinsically Safe Systems for Hazardous (Classified)

Locations” and the National Electrical Code (ANSI/NFPA 70).

To prevent ignition of flammable or combustible atmospheres, disconnect power before servicing or read, understand and adhere to the manufacturer’s live maintenance procedures.

Transmitter

+ -

81 82 83 84 85 86 87

WU11 cable terminals 82-84, 86-87.

Maximum cable length: 100 m.

Cable diameter:

5.8mm

Max imum value s

Ui Ii Pi Li Ci

Sensor

6.1 V

230 mA

1.2 W 4 µH

30 µF

Hazardous

location

IS, CL I Div.1, GP A, B, C, D T3/T4/T5/T6 Ta 85 ºC/85 ºC/75 ºC/60 ºC

FU24F Model: NPT Dome shape FSM Flat surface

Fig 3: FF1-K1226QT Control Drawing FM

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Note: When the sensor has been connected to not intrinsically safe equipment which

exceeds the restrictions regarding the sensor input circuit (see electrical data), the

sensor is not suitable anymore for intrinsically safe use.

2.9 Shipping details

Package size (L x W x H) : 300 x 100 x 75 mm (11.8 x 3.9 x 3.0 inch)

Package weight : app. 0.33 kg (0.73 lbs)

2.10 Environment and operational conditions

Storage temperature : -10 ºC to 50 °C (14 ºF to 122 °F) Sensor connection : Hot swapping possible Water proof : IP67 (conform IEC 60529)

2.11 Mechanical specifications

Max. torque on sensor body : 100 Nm

3. INSTALLATION OF FU24F

For optimum measurement results, the FU24F should be installed in a location that offers an acceptable representation of the process fluid composition and does not

exceed the specifications of the sensor. The

FU24F is designed with 1” NPT threads on either end of the body to allow installation in a wide variety of applications.

3.1 Typical installation

The FU24F sensor can be installed in-line, in a bypass loop or in an immersion assembly. For best results the FU24F should be mounted with the process fluid flowing towards the sensor. The sensor can also be mounted horizontally or any other angle.

3.2 Mounting the sensor

The FU24F can be mounted using the

threads on the body of the sensor. Apply

Teflon tape to the appropriate threaded end. Do not overtighten the sensor. When

using a (fork) wrench, the maximum

applicable torque is 100 Nm.

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For mounting the sensor in a flow fitting (FF20-*22, FF20-*33) or subassembly (FS20-*22, FS20-*32), use spare part

K1521JA or K1521JB.

See Section 5 for instructions to wire the sensor to the instrument.

3.3 Preparing the sensor for use

Remove the sensor from its shipping box

and slide off the “wet pocket” (the flask including the rubber ring) This wet pocket is filled with a saline solution to prevent the sensor from drying out during storage.

Important: Inserting a sharp pointed device in the hole in the measuring end of the sensor, might damage the sensor and result in severely reduced life time!

Before mounting the sensor, it should be validated with buffer solutions and calibrated when necessary. The specific calibration procedure is described in the Instruction Manual of the pH transmitter, but a general procedure is also provided in section 6 of this manual.

4. DIMENSIONS

70 ±0.9 (7.56” ±0.04”)

ø28 ±0.2 (ø1.1” ±0.01”)

56 ±0.9 (2.2” ±0.04”)

ø28 ±0.2 (ø1.1” ±0.01”)

Fig 4: Dimensions FU24F sensor

192 ±1.1 (7.56” ±0.04”)

1-11.5 NPT

178 ±1.1 (7.01” ±0.04”)

1-11.5 NPT

257.5 ±1.7 (10.14” ±0.07)

243.5 ±1.7 (9.59: ±0.07”)

1-11.5 NPT

Dimensions in mm (inches)

ø20.4 ±0.05

(ø0.8” ±0.002”)

ø20.4 ±0.05

(ø0.8” ±0.002”)

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5. WIRING

The FU24F is provided with a multipole M9 male connector for connection to the

Yokogawa FLXA analyzer using the WU11 interconnection cable for SENCOM™ sensors.

The connections of this M9 male connector (see Section 2.7 for details), the WU11

interconnection cable and the FLXA terminal strip are given in Table 3.

Table 3: Definition M9 sensor connector pin to WU11 cable and FLXA analyzer

M9 Pin # WU11 wire # WU11 wire color FLXA terminal # Signal description

1 83 Yellow 83 Data 2 84 Green 84 Data + 3 87 Brown 87 Supply + 4 82 Black 82 Shield 5 86 White 86 Supply Gnd

6. GENERAL CALIBRATION & MAINTENANCE PROCEDURE

Calibration of the FU24F pH/ORP SENCOM™ sensor can be done on site with the FLXA analyzer connected, or in the laboratory with another FLXA analyzer or with the dedicated Yokogawa SENCOM™ PC software, model SPS24. When using another FLXA analyzer, it has to be set correctly for each calibration. Refer to the FLXA analyzer Instruction Manual for details. After calibration all data will be stored in the sensor itself. If the sensor is reconnected to the FLXA analyzer in the field, the calibration data of the

sensor is automatically read by the analyzer.

6.1 Calibration for pH measurement

To calibrate the FU24F pH/ORP SENCOM™ sensor, two buffer solutions with known pH

values are required. It is recommended that one buffer solution has a value near to pH 7.00. Depending on the process value to be measured, the second buffer solution should be either acidic (below pH 7.00) or alkaline (above pH 7.00). Normally the IEC buffers (pH 4.01,

6.87 and 9.18) are used.

The following is a very general 2-point calibration procedure:

1. Clean the sensor using a 5% solution of HCl;

2. Rinse sensor thoroughly with demineralized water;

3. Immerse the sensor in the first buffer (pH 6.87 is recommended) and execute calibration as described in the Instruction Manual of the analyzer or SPS24 PC software;

4. Rinse sensor thoroughly with demineralized water;

5. Immerse the sensor in the second buffer (pH 4.01 or 9.18 is recommended) and execute calibration as described in the Instruction Manual of the analyzer or SPS24 PC software;

6. Rinse sensor thoroughly with demineralized water.

During calibration, the temperature compensation should be active. The FLXA analyzer

automatically compensates for the sensitivity change of the pH sensor at different temperatures.

After calibration, re-install the sensor into the process.

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6.2 Calibration for ORP and rH measurement

For calibration of ORP and rH, the procedure for MANUAL CALIBRATION can be used as described in the Instruction Manual of the FLXA analyzer.

The rH value is a function of the reference system and the pH value of the buffer solution.

The FU24F sensor has a reference system of saturated Silver/Silver Chloride (Ag/AgCl).

The commonly used standards for ORP and rH calibration are made from Chinhydron

(Quinhydrone) powder dissolved in pH buffer solutions (1 g / 200 ml). In Table 4 the

measurement values are given as function of the used pH buffer solution with Chinhydron

powder. The accuracy of the standards is approximately ± 10 mV.

Table 4: ORP, pH compensated ORP and rH as function of pH buffer solution with Chinhydron powder.

pH buffer ORP (mV) pH compensated ORP (mV) rH

1.68 403 88 23.6

4.01 265 88 23.6

6.87 96 88 23.6

7.00 88 88 23.6

6.3 Maintenance of the FU24F sensor

A pH sensor requires routine maintenance to keep the measuring elements clean and

functioning. Depending on the process, different cleaning solutions may be required.

Avoid cleaning the complete sensor with solution. Some cleaning solutions will

damage the modelcode sticker and connector which are placed on the electronic housing on top of the sensor. Only clean the measuring elements at the bottom side of the sensor.

In most cases cleaning with water, iso-propanol or methanol is sufficient. In other cases the measuring elements of the sensor have to be cleaned with specific solutions.

Examples:

1. Deposits of limes, hydroxides or carbonates can be removed by immersing the bottom

part of the sensor in a solution containing dilute hydrochloric acid (5% is recommended).

Afterwards rinse the sensor with water.

2. Deposits of oil and fat can be removed with hot water with a detergent. When the results are unsatisfactory, a mild (carbonate based) abrasive can be used.

3. Protein deposits should be removed with a protein enzymatic solution, for instance a solution containing 8.5 mL concentrated hydrochloric acid and 10 grams of pepsin in 1 liter of water.

Note: Avoid cleaning with non-polar solvents like tri-chloro ethylene, toluene or hexane. The

non-polar solvents will break up the gel-layer on the pH glass bulb and requires that the sensor has to be soaked in water for at least 12 hours before it will function again.

The Teflon diaphragm of the sensor can be regenerated by putting it in hot (± 70°C, 158°F) 3 molar Potassium Chloride (KCl) solution and letting it cool down to room temperature. This procedure clears the diaphragm and will soak the diaphragm with conductive KCl again.

IM 12B6J8-01E-E

7. MODEL CODE

Model Code Suffix Code Option Description FU24F SENCOM™ pH Wide Body Sensor

Model - NPT Dome shape model

- FSM Flat surface model

8. SPARE PARTS

Spare part Description FU24F

K1521JA SS holder 1” NPT K1521JB PVDF holder 1” NPT

Buffer solutions

K1520BA Buffer solutions pH 4.01, pH 6.87, pH 9.18 (500 ml each)

K1520BB Buffer solution pH 1.68 (500 ml) K1520BC Buffer solution pH 4.01 (500 ml) K1520BD Buffer solution pH 6.87 (500 ml) K1520BE Buffer solution pH 9.18 (500 ml)

Connection equipment

BA10 Junction box WU11-M9-xx-WP-V Interconnection Cable for SENCOM™ Sensor, available lengths xx (03, 05, 10, 20 meter)

IM 12B6J8-01E-E

9. EU DECLARATION OF CONFORMITY

YOKOGAWA

Amersfoort, 01 March 2014

H. Leijten

General Manager

Yokogawa Process Analyzers (YPA)

Yokogawa Europe B.V.

We: Yokogawa Europe B.V. Euroweg 2

3825 HD Amersfoort The Netherlands

herewith declare under our sole responsibility that the product, model: FU24F

further specified with model suffix- and option codes: As listed in Annex-1 in this document

is manufactured in accordance with the requirements for CE-marking of products as stated in EC Decision:

768/2008/EC on a common framework for the marketing of products

by applying the following standards:

EN-ISO 9001: 2008 Quality management systems - Requirements

Subject product is:

 In compliance with the essential requirements of the specific product legislation:

- EMC Directive 2004/108/EC

by applying the following standards: IEC 61326-1: 2006 Class A Electrical equipment for measurement, control and laboratory use – EMC re quirements – Part 1: General requirements. IEC 61326-2-3: 2 006 Electrical equipment for measurement, control and laboratory use – EMC re quirements – Part 2-3: Particular requirements – Test configurations, operational conditions and performance criteria for transducers with integrated or remote signal conditioning.

- LVD Directive 2006/95/EC by applying the following standards:

IEC 61010-1: 2 010 Safety requirements for electrical equipment for measurement, control and laboratory use – Part 1: General requirements.

- Pressure Equipment Directive 97/23/EC (PED)

As amended by Regulation (EC) no. 1882/2003, by applying: Article 3.3: Sound Engineering Practice

- RoHS Directive 2011/65/EU by applying: Category 9: Industrial monitoring and control instruments, ion selective electrode

- Explosive atmospheres Directive 94/9/EC (ATEX)

As amended by Regulation (EC) no. 1882/2003, by applying the following standards: EN 60079-0: 2009 Explosive atmospheres – Part 0: Equipment – General requirements EN 60079-11: 2007 Explosive atmospheres – Part 1 1: Equipment protection by intrinsic safety “i” EN 60079-26: 2007 Explosive atmospheres – Part 26: Equipment with equipment protection level (EPL) Ga

The provisions fulfilled are:  II 1 G Ex ia IIC T3...T6 Ga

Number of the EC-type Examination Certificate: DEKRA 11 ATEX 0064 X Name of the notified b ody: DEKRA Certification B.V. Identification number of the notified body: 0344

Address of the notified body: Meander 1051, 6825 MJ Arnhem, The Netherlands

 Produced according to appropriate quality control procedures.

The CE-mark has been affixed on the product in 2014 for the first time.

EU DECLARATION OF CONFORMITY

1/2

IM 12B6J8-01E-E

Annex-1

Model Code Suffix Code Option Code Description FU24F SENCOM™ pH Wide body Sensor

Model - NPT Dome shape model

- FSM Flat surface model

IM 12B6J8-01E-E

10. CHEMICAL COMPATIBILITY CHART

Conc.%

Temp. °C

100

OOOOOOOOOOOO

OOOOOO XXX OOO

OOOOOO X X - OOO

OOOOOO OOO

OOOOOOOOOOOO

O O X OOOOOOOOO

--- OOO XXX OOO

--- OOO --- OOO

--- OOO OOO

OOOOOOOOOOOO

X X - OOOOOOOOO

OOOOOO XXXXXX

O O X OOO ------

---dica citecA OOOOOOOOO

--- OOOO OOO

---dica cimroF OOOOO OOO

Citric acid OOOOOOOOOOOO

Calcium hydroxide OOOOOOOOOOOO

Potassium hydroxide OOOOOOOOOOO X

XXXedixordyh muidoS OOOOOOOO X

XXXretaw ni ainommA OOOOOOOO X

Ammonium chloride OOOOOOOOOOOO

Zinc chloride OOOOOOOOOOOO

Iron(III) chloride OOOOOOO OOO

---etiflus muidoS OOOOOOOOO

Sodium carbonate OOOOOOOOOOOO

Potassium chloride OOOOOOOOOOOO

Sodium sulfate OOOOOOOOOOOO

Calcium chloride OOOOOOOOOOOO

Sodium chloride OOOOOOOOOOOO

Sodium nitrate OOOOOOOOOOOO

Aluminium chloride OOOOOOOOOOOO

Hydrogen peroxide OOOOOO X - - OOO

OOOXOOOXOOedirolhcopyH muidoS

Potassium dichromate OOOOOO X OOO

OOOOOOemil detanirolhC

--XlonahtE OOOOOOOOO

Cyclohexane OOOOOOOOOOOO

---eneuloT OOOOOOOOO

XXXenahteorolhcirT OOOOO OOO

Water OOOOO X OOOOOO

O = can be used; X = shortens useful life; - = cannot be used; Blank = no data available

sat.

Viton

Material

Phosphoric acid

fuming

Nitric acid

Inorganic acid

Sulfuric acid

fuming

glacial

Hydrochloric acid

Hydrofluoric acid

Organic acidAlkaliAcid saltBasic salt

Organic

solvent

sat.

Neutral salt

sat.

Oxidizing

agent

sat.

PPS

(Ryton) Glass

PTFE

(teflon)

Material PVDF S.S. 316 VITON PEEK PP PVC PFA (Kynar)

Sulfiric acid 10 OOO XXX OOO OOO OO OX OOO 50 OOO XXX OOO OOX OO OO OOO 95 OX - XXX OOO - - - X - XX OOO

fuming - - - - - - OOO - - - - - - - OOO

Hydrochloric acid 10 O O O - - - O O O O O X O O OX O O O sat. OOO - - - OOX OO OO OOO Nitric acid 25 OOX XXX OOX OOO OO OX OOO 50 OOX XXX - - - XXX X - OX OOO 95 OX - OOO - - - - - - - - - - OOO

Inorganic acidOrganic acid

fuming - - - OOO - - - - - - - - - - OOO

Phosphoric acid 25 OOO - - - OOO OOO OO OX OOO 50 OOO XXX OOO OOO OO OO OOO 95 OOO OOO XX - OOO OO OO OOO Hydrofluoric acid 40 O O O - - - O O O - - - O O OX O O O 75 OOO - - - OOO - - - OO XX OOO Acetic acid 10 OOO OOX - - - OOO OO OX OOO glacial OX - OOX - - - OOX OX XX OOO Formic acid 80 OOO XXX - - - XXX OO O- OOX

Citric acid 50 OOO OOO OOO OOO OO OO OOO

Calcium hydroxide sat. O O O O O O O O O O O O O O O O O O O Potassium hydroxide 50 O O X O O O O O O O O O O O O O O O O

Alkali

Sodium hydroxide 40 OOX OOO XXX OOO OO OX OOO Ammonia in water 30 OOO OOO XXX OOO OO OX OOO Ammonium chloride sat. O O O X X X O O O O O O O O O O O O O Zinc chloride 50 OOO XXX OOO OOO OO OO OOO

salt

Acid

Iron (III) chloride 50 O O O - - - O O O O O O O O O O O O O Sodium sulfite sat. OOO OOO - - - OOO OO OO OOO

salt

Basic

Sodium carbonate sat. O O O O O O O O O O O O O O O O O O O

Potassium chloride sat. O O O X X X O O O O O O O O O O O O O

Sodium sulfate sat. OOO OOO OOO OOO OO OO OOO

Calcium chloride sat. O O O X X X O O O O O O O O O O O O O

salt

Sodium chloride sat. O O O X X X O O O O O O O O O O O O O

Neutral

Sodium nitrate 50 OOO XXX OOO OOO OO OO OOO Aluminium chloride sat. O O O - - - O O O O O O O O O O O O O Hydrogen peroxide 30 O O O O O O O O O O O O O O O O O O O Sodium hypochloride 50 O O O X X X O O X O O O X X X X O O O

agent

Potassium dichromate sat. O O O O O O O O O O O O O O O O O O O

Oxidizing

Chlorinated lime O X - X X X X X X - - O O O O O Ethanol 80 OOX OOO X - - OOO OO OX OOO Cyclohexane OOX OOO OOO OOO - - OO OOO Toluene OOO OOO - - - OOO X - - - OOO

solvent

Organic

Trichloroethane XXX OOX XXX OOO - - - - OOO

Water OOO OOO OOO OOO OO OO OOO

O = can be used, X = shortens useful life, - = cannot be used

Note: Information in this list is based on our general experience and literature data and

given in good faith. However Yokogawa is unable to accept responsibility for claims related to this information.

Temp.

ºC

Conc.

2060100

20602060100

IM 12B6J8-01E-E

YOKOGAWA ELECTRIC CORPORATION World Headquarters

9-32, Nakacho 2-chome, Musashino-shi Tokyo 180-8750 Japan www.yokogawa.com

YOKOGAWA CORPORATION OF AMERICA

2 Dart Road Newnan GA 30265 USA www.yokogawa.com/us

YOKOGAWA EUROPE BV

Euroweg 2 3825 HD AMERSFOORT The Netherlands www.yokogawa.com/eu

YOKOGAWA ELECTRIC ASIA Pte. LTD.

5 Bedok South Road Singapore 469270 Singapore www.yokogawa.com/sg

YOKOGAWA CHINA CO. LTD.

3F Tower D Cartelo Crocodile Building No.568 West Tianshan Road Changing District Shanghai, China www.yokogawa.com/cn

YOKOGAWA MIDDLE EAST B.S.C.(c)

P.O. Box 10070, Manama Building 577, Road 2516, Busaiteen 225 Muharraq, Bahrain www.yokogawa.com/bh

Yokogawa has an extensive sales and distribution network. Please refer to the European website (www.yokogawa.com/eu) to contact your nearest representative.

Yokogawa FU24F User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual