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General Catalog 193-13
AS2 and AS3
AS2 and AS3
Free chlorine and chlorine dioxide sensors
AS2 and AS3

AS2 and AS3

• For hot sanitary water, drinkable water
• pH must be constant (for free chlorine)
• Temperature: up to 50 °C or up to 70 °C
• Pressure: up to 8 bar

APPLICATIONS

Concentration measurement of free chlorine or chlorine dioxide, hot sanitary water
and drinkable water.
Caution: The pH must be constant for free chlorine measurement.

TECHNICAL FEATURES

Measured parameter:

  • AS ... CL: Free chlorine
  • AS ... CD: Chlorine dioxide

Disinfection additives: Inorganic compounds, such as NaOCl, Ca(OCl)₂, gaseous chlorine, chlorine produced by electrolysis
Chlorine dioxide: Chlorite/ Chlorine; Chlorite/ Acid
Measuring system: Semi-open cell with 3 electrodes and electrolyte
Output signal: 4 ... 20 mA
Operating temperature:

  • AS2: 1 to 50°C
  • AS3: 1 to 70°C

Automatic temperature compensation
Ambient temperature: From 0 to 55 °C
Operating pressure: 8 bar max.
Cleaning system Equipment: RV1 (option)
Flow rate: Flow must be constant

  • 15 l/h as a minimum, without RV1 equipment
  • 45 l/h up to 90 l/h  with  RV1  equipment

pH operating range:

  • AS ... CL: pH must be constant
  • AS ... CD: between pH 1 and pH 12

Zero adjustment Not necessary (from factory)
Slope calibration: Only 1 point necessary with BAMOPHAR 194:

  • Chlorine: DPD-1
  • Chlorine dioxide: DPD-1 (without chlorine)

Interferences:

  • AS ... CL: Ozone, chlorine dioxide and chlorite
  • AS ... CD: Ozone, chlorine, chlorite, measured with less than 2% of their concentration
General Catalog 193-13
03/07/2018 17:07
Free chlorine and chlorine dioxide sensors
AS2 and AS3
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