Related Manuals for Xylem WTW FCML 412-M12 Series
Summary of Contents for Xylem WTW FCML 412-M12 Series
- Page 1 OPERATING MANUAL ba77197e02 01/2024 FCML 412 N FCML 412 N-S FCML 412-M12(-x) FCML 412 N(-S) FCML 412-M12(-x) pH-INDEPENDENT SENSOR FOR FREE CHLORINE...
- Page 2 FCML 412 N(-S), FCML 412-M12 © Copyright 2024, Xylem Analytics Germany GmbH Printed in Germany. ba77197e02 01/2024...
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Page 3: Table Of Contents
FCML 412 N(-S), FCML 412-M12 Contents Contents Overview ........4 Structure . -
Page 4: Overview
Overview FCML 412 N(-S), FCML 412-M12 Overview The FCML 412 chlorine sensors are membrane-covered, amperometric sen- sors for the determination of free chlorine. Structure 1 Connection – FCML 412 N: PG7 gland – FCML 412 N-S: Screw/plug-in coupling for connection cable AK-CL –... -
Page 5: Electrical Connection
FCML 412 N(-S), FCML 412-M12 Overview hypochloric acid and hypochlorite) and the chlorine that is bonded to isocy- anuric acid. The sensor has a strongly reduced pH dependence. The sensor has integrated measuring electronics and delivers a measuring signal that is already temperature compensated. It does not require a zero point adjustment. -
Page 6: Safety
Safety FCML 412 N(-S), FCML 412-M12 Safety 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. -
Page 7: Safe Operation
FCML 412 N(-S), FCML 412-M12 Safety Safe operation 2.2.1 Authorized use The authorized use of the FCML 412 N(-S), FCML 412-M12 is the stationary measurement of chlorine in drinking water, swimming pool water and process water. Only the operation and running of the product according to the instruc- tions and technical specifications given in this operating manual is authorized (see chapter 7 T ). -
Page 8: Commissioning
Commissioning FCML 412 N(-S), FCML 412-M12 Commissioning Scope of delivery Sensor FCML 412 with membrane cap M48 – Sensor FCML 412 N – Sensor FCML 412 N-S – Sensor FCML 412-M12 Dropping bottle with 100 ml electrolyte solution ELY-FCML 412 N ... - Page 9 FCML 412 N(-S), FCML 412-M12 Commissioning Cut off the tip of the dropping bottle until the opening in the tip is vis- ible, then fill the membrane cap completely with electrolyte solution making sure it is bubble free. Lift off the hose ring of the membrane cap, which closes the valve opening, from the side so that the valve opening is exposed (see pic- ture below).
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Page 10: Electrical Connection
Commissioning FCML 412 N(-S), FCML 412-M12 Electrical connection How to connect the FCML 412 N(-S) sensor to the measuring transmitter or the MIQ/IDS module is described in the operating manual of the measuring transmitter. How to connect the sensor FCML 412-M12(-x) to the MIQ/IDS module is explained in the operating manual of the module MIQ/IDS. -
Page 11: Installation In The Flow Through Vessel D 19
FCML 412 N(-S), FCML 412-M12 Commissioning 1 mm 50 mm 1 Top edge of the coupling ring 2 Above the middle of the inlet opening 3 Lower edge of the groove 4 Top edge of the sensor Tighten the coupling ring by hand. Make sure the sensor is firmly attached. - Page 12 Commissioning FCML 412 N(-S), FCML 412-M12 The FCML 412-M12 has a marking on its shaft for optimum installation in the flow-through vessel D 19. The position in the flow through vessel has a considerable effect on the approach flow and, hence, the measuring function of the sensor.
- Page 13 FCML 412 N(-S), FCML 412-M12 Commissioning Align the marking (1) on the sensor with the top edge (2) of the cou- pling ring. Tighten the coupling ring by hand. Tighten the coupling ring approx. a quarter turn further with the M32 assembly wrench.
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Page 14: Measurement / Operation
Measurement / Operation FCML 412 N(-S), FCML 412-M12 Measurement / Operation Run-in period Polarization Each time the sensor has been refilled it must be polarized. To do this, immerse the connected and voltage-supplied sensor in a well-stirred chlorine solution with at least 5 mg/l chlorine for an hour. Then put the sensor into use (measuring position). -
Page 15: Maintenance, Cleaning, Storage
FCML 412 N(-S), FCML 412-M12 Maintenance, cleaning, storage Maintenance, cleaning, storage Cleaning the measurement electrode / exchanging the mem- brane cap and electrolyte We recommend to disconnect the sensor from the measuring transmitter before starting any maintenance work. If calibration is not possible due to readings that are too low, the measure- ment electrode has to be cleaned with the enclosed polishing strip. -
Page 16: Cleaning
Maintenance, cleaning, storage FCML 412 N(-S), FCML 412-M12 Fill the membrane cap with fresh electrolyte solution as described in section 3.2, screw it on the sensor shaft and make the sensor ready for measurement. After exchanging the electrolyte solution and/or membrane cap the sensor has to be repolarized (see section 4.1 R PERIOD If calibration is still not possible after cleaning the measurement... -
Page 17: Maintenance Equipment And Replacement Parts
FCML 412 N(-S), FCML 412-M12 Maintenance, cleaning, storage Maintenance equipment and replacement parts Description Model Order no. Accessory kit for chlorine sensor ZBK-FCML 412 N 205 246 FCML 412, including: – 1x membrane cap M48 – 100 ml electrolyte solution ELY-FCML 412 N –... -
Page 18: Disposal
Disposal FCML 412 Disposal Handle and dispose of all waste in compliance with local laws and regulations. EU only: Correct disposal of this product — WEEE Directive on waste elec- trical and electronic equipment This marking on the product, accessories or literature indicates that the product should not be disposed of with other waste at the end of its working life. -
Page 19: Technical Data
FCML 412 N(-S), FCML 412-M12 Technical data Technical data Measuring characteristics Measuring principle Membrane-covered, amperometric sensor with potentiostatic three-electrode system and integrated measuring electronics Measuring range 0.01 ... 20.00 mg/l Cl FCML 412-M12-20 0.01 ... 2.00 mg/l Cl FCML 412-M12-2 FCML 412 N FCML 412 N-S 0.01 ... -
Page 20: General Data
Technical data FCML 412 N(-S), FCML 412-M12 General data FCML 412-M12(-x): FCML 412 N-S: Dimensions FCML 412 N: 37 mm 175 mm 175 mm 200 mm 25 mm 25 mm 25 mm Membrane cap Membrane type Microporous, hydrophilic membrane Electrolyte ELY-FCML 412 N (from ZBK-FCML 412 N) Material Shaft... -
Page 21: Electrical Data
FCML 412 N(-S), FCML 412-M12 Technical data Electrical data 2-wire connection via permanently mounted cable AK-CL 298 FCML 412 N 12 ... 30 V DC power supply by the measuring transmitter Output signal 4 ... 20 mA ... - Page 22 Technical data FCML 412 N(-S), FCML 412-M12 ba77197e02 01/2024...
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