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Safety

FCML 412 N(-S), FCML 412-M12

6

ba77197e02

01/2024

2

Safety

2.1

Safety information

2.1.1 Safety information in the operating manual

This operating manual provides important information on the safe operation 

of the product. Read this operating manual thoroughly and make yourself 

familiar with the product before putting it into operation or working with it. The 

operating manual must be kept in the vicinity of the meter so you can always 

find the information you need.
Important safety instructions are highlighted in this operating manual. They 

are indicated by the warning symbol (triangle) in the left column. The signal 

word (e.g. "CAUTION") indicates the level of danger:

NOTE

indicates a situation where goods might be damaged if the actions mentioned 
are not taken

.

2.1.2 Safety signs on the product

Note all labels, information signs and safety symbols on the product. A 

warning symbol (triangle) without text refers to safety information in this oper

-

ating manual.

2.1.3 Further documents providing safety information

The following documents provide additional information, which you should 

observe for your safety when working with the measuring system:

Operating manuals of other components of the FCML 412 N(-S), 

FCML 412-M12 system (power packs, controller, accessories)

Safety datasheets of calibration and maintenance equipment (e.g. clean

-

ing solutions).

WARNING

indicates a possibly dangerous situation that can lead to seri

-

ous (irreversible) injury or death if the safety instruction is not 

followed.

CAUTION

indicates a possibly dangerous situation that can lead to slight 

(reversible) injury if the safety instruction is not followed.

Summary of Contents for WTW FCML 412-M12 Series

Page 1: ...OPERATING MANUAL ba77197e02 01 2024 FCML 412 N S FCML 412 M12 x pH INDEPENDENT SENSOR FOR FREE CHLORINE FCML 412 N FCML 412 N S FCML 412 M12 x...

Page 2: ...FCML 412 N S FCML 412 M12 2 ba77197e02 01 2024 Copyright 2024 Xylem Analytics Germany GmbH Printed in Germany...

Page 3: ...ing the membrane cap with electrolyte solution 8 3 3 Electrical connection 10 3 4 Installation in the flow through vessel D CL 10 3 5 Installation in the flow through vessel D 19 11 4 Measurement Oper...

Page 4: ...es all the free chlorine present sum of gaseous dissolved chlorine 1 Connection FCML 412 N PG7 gland FCML 412 N S Screw plug in coupling for connection cable AK CL FCML 412 M12 Flange plug for adapter...

Page 5: ...y of the measuring transmitter and for the transmission of measurement signals 4 20 mA current signal FCML 412 N S The FCML 412 N S sensor has a four pin socket for connection to the measuring transmi...

Page 6: ...t be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the product Note all labels information signs and safety symbols on the product A warning symbol triangle without text refers...

Page 7: ...d unauthorized 2 2 2 Requirements for safe operation Note the following points for safe operation The product may only be operated according to the authorized use spec ified above The product may only...

Page 8: ...ectrolyte solution NOTE Risk of damage for the sensor in the case of improper handling Do not touch the electrode finger with your fingers Do not apply pressure to the membrane disk Do not unscrew the...

Page 9: ...ap while doing this Then screw the electrode shaft into the membrane cap For this first turn the elec trode shaft anti clockwise until the thread catches then slowly screw in the electrode shaft as fa...

Page 10: ...rough vessel D CL The flow through vessel D CL is optimized for the FCML 412 N S chlorine sensors Proceed as follows to install the sensor The position in the flow through vessel has a considerable ef...

Page 11: ...gh vessel D 19 The flow through vessel D 19 is optimized for the FCML 412 M12 chlorine sensor 1 Top edge of the coupling ring 2 Above the middle of the inlet opening 3 Lower edge of the groove 4 Top e...

Page 12: ...le effect on the approach flow and hence the measuring function of the sensor Therefore carefully position the sensor as described below 1 Connect the ADA CL IDS adapter to the M12 flange plug and scr...

Page 13: ...or with the top edge 2 of the cou pling ring 5 Tighten the coupling ring by hand 6 Tighten the coupling ring approx a quarter turn further with the M32 assembly wrench Make sure the sensor is firmly a...

Page 14: ...libration of the chlo rine sensor is carried out as a single point calibration The calibration value nominal value is usually determined photometrically A common procedure for this is the DPD method f...

Page 15: ...e opening 2 Hose ring NOTE Negative pressure in the membrane cap can destroy the membrane disk Therefore make sure the valve opening is not inadvertently closed by your fingers while unscrewing the me...

Page 16: ...the electrolyte solution and or membrane cap the sensor has to be repolarized see section 4 1 RUN IN PERIOD If calibration is still not possible after cleaning the measurement electrode change the me...

Page 17: ...orine sensor FCML 412 including 1x membrane cap M48 100 ml electrolyte solution ELY FCML 412 N Polishing strip ZBK FCML 412 N 205 246 Adapter for connecting the sensor FCML 412 M12 to an IDS interface...

Page 18: ...ct accessories or literature indicates that the product should not be disposed of with other waste at the end of its working life To prevent possible harm to the environment or human health from uncon...

Page 19: ...bration proce dure Single point calibration e g with photometric measurement according to the DPD 1 method as a reference 7 2 Application characteristics Temperature range 0 45 C 32 113 F The measurem...

Page 20: ...drophilic membrane Electrolyte ELY FCML 412 N from ZBK FCML 412 N Material 200 mm 175 mm 25 mm 25 mm FCML 412 N FCML 412 N S 175 mm 25 mm FCML 412 M12 x 37 mm Shaft PVC Membrane cap PVC Membrane holde...

Page 21: ...Output signal 4 20 mA FCML 412 N S 4 wire connection via AK CL cable by means of screwed connection plug connection 6 12 V DC power supply by the measuring transmitter Nominal slope approx 100 mV per...

Page 22: ...Technical data FCML 412 N S FCML 412 M12 22 ba77197e02 01 2024...

Page 23: ......

Page 24: ...rove the way water is used conserved and re used in the future is central to our work Our products and services move treat analyze monitor and return water to the environment in public utility industr...

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