Chlorine measurements

Two types of chlorine measurement sensors are available:

  • ion selective potentiostatic membrane sensors;
  • open system amperometric chlorine cell.

ION selective membrane chlorine sensors

CC1Hun Free Inorganic-Organic chlorine
Range: 0.005 ….. 2 ppm (mg/l) free chlorine
Resolution: 0.001 ppm (mg/l)
Signal (nominal slope): -1000 mV/ppm pH-compensated
Power supply: ±5 to ±12,5 Vdc / 10 – 25 Vdc 25mA

CC1N Free Inorganic-Organic chlorine
Range: 0.05 ….. 20 ppm (mg/l) free chlorine
Resolution: 0.01 ppm (mg/l)
Signal (nominal slope): -100 mV/ppm pH-compensated
Power supply: ±5 to ±15 Vdc / 10mA

Operating temperature: > 5 … < 45°C, automatic compensation by integrated temperature sensor
pH range: pH 4 — pH 12 (low pH dependency)
Flow requirement: approximately 30 l/h
Pressure: 0,5 bar, no sudden pressure surges, impulses and/or vibrations or fluctuations
Suitable chlorinating agents: NaOCl (sodium hypochlorite); Ca (OCl)2 (calcium hypochlorite); chlorine gas;
Compatibility: Tensides: Isocyanuratic / Surfactants / Flocculants
Application 1 standard duty (CLS2-CLS20) water treatment (also drinking water), swimming pool
Application 2 with Gel ECC1S (upon request) sea water

CLST2.1Hun Total chlorine

CLST20.1N Total chlorine

Application 1 standard CLST2.1Hun water treatment (also drinking water),swimming pools
(NOT compatible with surfactantsfats/oil)
Application 2 with electrolyte ECP2S/GEL sea water (tensides are partly tolerated)

AS2N Inorganic Free chlorine

AS3H / AS3N-CL Inorganic Free chlorine

Measuring method: open probe amperometric 3 electrode system (NOT galvanic isolation)
Flow rate / Pressure: 80 l/h / AS2 5 bar; AS3 approximately 8 bar
Application AS2 drinking water, services for cold and hot water up to max 70°C, high pressure)
Application AS3 drinking water, swim. pools, closed systems cold / hot water: legionella control

Open system amperometric chlorine cells

Open system amperometric cell able to the measure organic and inorganic free chlorine with 0-10 mg/lt reading (ppm), with regulation of the in-coming water flow, suitable to host temperature probe and proximity switch.

CLC3  amperometric cell with 2 electrodes holders and proximity switch, capable to host temperature probe
CLC2  amperometric cell with 2 electrodes holders, capable to host proximity switch and temperature probe
CLC4  amperometric cell capable to host proximity switch and temperature probe
PMMA body with PP electrode holders
Self-cleaning cell with glass balls
Range 0?10 ppm. Electrode Platinum/Copper in vertical position to avoid bubbles
Flow adjustment: 40?50 l/h or by visual adjustment (to be steady and continuous)
2 electrodes holder, Proximity switch and temperature probe
Max pressure 5 bar — Max temperature 5?60°C