Xylem WTW FCML 412-M12 Series Operating Manual Download

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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)

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 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...

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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...