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General Catalog 193-03
CL4.2
CL4.2
Free chlorine sensor, at constant pH
CL4.2


Assembly (as an option)
• Water treatment
• pH must be constant
• No tolerance to surfactants
• Temperature 45 °C max.
• Pressure 1 bar max.
APPLICATIONS

Water treatment (for water equivalent to drinkable quality) at a constant pH.

TECHNICAL FEATURES
Measured parameter : Free chlorine
Chlorination additives :
Inorganic compounds, such as NaOCl - Ca(OCl)₂ -
gaseous chlorine, chlorine produced by electrolysis
Caution: Surfactants not tolerated
Measuring system : Closed cell with 2 electrodes and electrolyte
Supply voltage : 12 ... 30 V DC (Load 500 to 900 Ω)
Output signal :
4 ... 20mA, 2 screw terminals (2 x 1mm²)
No galvanic insulation
Operating temperature
:
1 to 45 °C Automatic temperature compensation
Operating pressure : 1 bar max. (No vibrations, no pulsating flow)
Flow rate : About 30 l/h
pH operating range :
Constant between 6 and 8 pH
pH value must be constant
Interferences :
Strong incidence of ClO₂ and O₃ on measuring signal
Chlorine produced by electrolysis with a non-diaphragm
cell may cause damages.
Zero adjustment : Not necessary (from factory)
Slope calibration :
Only 1 point with BAMOPHAR 194 according to directive
DPD-1
Materials : PVC-U
Dimensions : Approx. O.D. 25 mm, length 220 mm (4-20 mA)
CODE NUMBERS AND REFERENCES
Code Reference Measuring range Resolution
193 011 CL4.2.MA0.5 0.005 ... 0.5 mg/l 0.001 mg/l
193 012 CL4.2.MA2 0.005 ... 2 mg/l 0.001 mg/l
193 013 CL4.2.MA5 0.05 ... 5 mg/l 0.01 mg/l
193 014 CL4.2.MA10 0.05 ... 10 mg/l 0.01 mg/l
193 015 CL4.2.MA20 0.05 ... 20 mg/l 0.01 mg/l
193 016 CL4.2.MA100 0.5 ... 100 mg/l 0.1 mg/l
193 010 CL4.2.MA200 0.5 ... 200 mg/l 0.1 mg/l
Spare parts
193 916 M20.2 Sensor end with diaphragm for CL4 sensor
193 951 ECL1 Electrolyte for CL4 sensor (100 ml)
 
 
Precautions
Flow rate must be constant and a measuring cell with flow controller is necessary (data-sheet 193-95).
In order to install easily a complete system, we propose assemblies designed for specific applications (on request).
General Catalog 193-03
12/11/2018 12:51
Free chlorine sensor, at constant pH
CL4.2
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