Potentiostatic amperometric disinfectant measuring system for water and wastewater

  • Completely mounted with MAC 100 analytical transmitter (Output: 3 x 4…20 mA)
  • Pre-installed and tested; for bypass lines
  • Cl2: 0.03…20 mg/l; ClO2: 0.05…5 mg/l; O3: 0.05…5 mg/l; Max. +50°C / +122°F
  • With chlorine sensor, valves, flow-through holders, optional pH sensor

OPTISYS CL 1100 – Standard version

Chlorine measuring system OPTISYS CL 1100 – Standard version

The OPTISYS CL 1100 is a complete and ready to use system for measuring free chlorine, chlorine dioxide and ozone in a wide range of water applications. The pre-wired system is already equipped with the MAC 100 analytical transmitter , the membrane-free chlorine sensor OPTISENS CL 1100, valves as well as flow-through cells, e.g. for installation of a temperature sensor. Together with the optional pH sensor OPTISENS PH 8500, it also features pH compensation and is suitable for the complete chlorine measuring range, even at higher pH values. This makes the OPTISYS CL 1100 a reliable and easy to maintain measuring system.

Product highlights

  • All-in-one measuring solution for a wide application range
  • Combination of a membrane-free sensor for Cl2, ClO2 and O3 with 2 gold electrodes, an optional pH sensor and an analytical transmitter
  • With flow-through cells incl. temperature sensors
  • Automatic Sensor Cleaning (ASR) feature

Typical applications

Water and wastewater industry

  • Monitoring of potable water quality
  • Filter monitoring
  • Monitoring of contamination
  • Disinfection control
  • Process control of water treatment
  • Emergency chlorination for drinking water

Chemical and other process industries, power industry

  • Process water treatment
  • Reverse osmosis protection


  • Disinfection control of swimming pools


Related products


Potentiometric pH sensor for potable water applications

  • For use with analytical transmitter
  • Process connection: PG13.5
  • 0…14 pH; Max. +70°C / +158°F
  • Glass sensor with ceramic diaphragm and optional Pt100 for temperature compensation

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Potentiostatic amperometric disinfectant sensor for water and wastewater applications

  • For use with MAC 100 analytical transmitter
  • Process connection: PG13.5
  • Cl2: 0.03…20 mg/l; ClO2: 0.05…5  mg/l; O3: 0.05…5 mg/l; Max. +70°C / +158°F; 6 psi / 87 psi
  • Membrane-free sensor with 2 gold electrodes and sensor cleaning feature

View product details

MAC 100

Liquid analytical transmitter for measurements with sensors of the OPTISENS portfolio

  • Output: 3 x 4…20 mA, 3 relays (mechanical)
  • Input: max. 2 x sensor, 2 x temperature
  • -15…+55°C / +5…+131°F (ambient)
  • Robust housing for wall-mount installation

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