Xylem WTW FCML 412-M12 Series, Руководство по эксплуатации

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FCML 412 N(-S), FCML 412-M12 Technical data
19
ba77197e02 01/2024
7 Technical data
7.1 Measuring characteristics
Measuring principle Membrane-covered, amperometric sensor with potentiostatic three-electrode
system and integrated measuring electronics
Measuring range
Response time t
90
(90 % of the final value display after) approx. 120 s
pH dependency Approx. 10 % slope loss per increasing pH unit
Temperature com
-
pensation‐
Automatic, by means of integrated temperature sensor
Polarization time Approx. 2 hours on commissioning or after exchanging the electrolyte
Calibration 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 measurement medium must be free of ice crystals.
pH application
range
pH 4... 9
Max. admissible
overpressure
3,0
•
10
5
Pa (3.0 bar), pressureless operation in the flow-through vessel
Working life of the
membrane cap
Typically 1 year (depending on measuring medium)
Approach flow Flow rate in the flow through vessel: 15 ... 30 l/h
Typical application
range
Drinking water, swimming pool water and mains water in the flow through
vessel
FCML 412-M12
-20 0.01 ... 20.00 mg/l Cl
2
FCML 412-M12
-2
FCML 412 N
0.01 ... 2.00 mg/l Cl
2
FCML 412 N-S 0.01 ... 10.00 mg/l Cl
2
(upper limit depends on the slope)