Chlorine sensors and transmitters for water treatment (2024)

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Input 1 to 4x Memosens digital input
2x 0/4 to 20mA Input optional
2 to 4x Digital input optional

Output / communication 2 to 8x 0/4 to 20 mA current outputs, alarmrelay,
4x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet

Ingress protection IP66 / IP 67

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Measuring range Trace: 0 to 5 mg/l ClO2
Standard: 0 to 20 mg/l ClO2
High: 0 to 200 mg/l ClO2

Process temperature 0 to 55 °C , non-freezing
(32 to 130 °F)

Process pressure Max. 2 bar abs
(Max. 29 psi abs)

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Measuring range Trace: 0 to 5 mg/l HOCl
Standard: 0 to 20 mg/l HOCl
High: 0 to 200 mg/l HOCl

Process temperature 0 to 55 °C (32 to 130 °F), non-freezing

Process pressure Max. 1 bar (max. 14.5 psi)

Measuring method Closed, membrane covered measuring cell
Reduction of free chlorine at the cathode

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Measuring range 0 to 5 mg/l total chlorine or
0 to 20 mg/l total chlorine

Process temperature 0 to 55 °C , non-freezing
(32 to 130 °F)

Process pressure 1 bar relative (14,5 psi relativ)
Max. 2 bar (max. 29 psi)

Measuring method Total chlorine consists of free chlorine (HOCl, OCl-) and bound chlorine (chloramines)
All components are reduced at the working electrode
Almost pH independent

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Measuring range Trace: 0 ... 5 mg/l HOBr
Standard: 0 ... 20 mg/l HOBr
High: 0 ... 200 mg/l HOBr

Process temperature +0...55 °C (32 ... 130°F), non-freezing

Process pressure Max. 1 bar (max. 14.5 psi)

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Measuring range 0 to 2 mg/l

Process temperature +0 to 45 °C (32 to 110 °F), non freezing

Process pressure 1 bar (14.5 psi), 2 bar (29 psi) absolute

Measuring method - closed 2 electrode system
- conversion of ozone into a signal current in nA
- signal current is proportional to the concentration of ozone
- the measurement is not pH dependent

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Input 1 to 2x Memosens digital input
2x 0/4 to 20mA input optional
2x Digital input optional

Output / communication 2 to 8x 0/4 to 20 mA current outputs
Alarmrelay, 2x relay, ProfibusDP, Modbus RS485, Modbus TCP, Ethernet

Ingress protection IP66 / IP67

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Input 1 to 2x Memosens digital input
2x 0/4 to 20mA Input optional
2x Digital input optional

Output / communication 2 to 8x 0/4 to 20 mA current outputs
Alarmrelay, 2x relay, ProfibusDP, Modbus RS485,
Modbus TCP, Ethernet

Ingress protection Transmitter: IP20
Optional Display: IP66

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Process temperature 0 to 60 °C (32 to 140°F)

Process pressure 0 to 4 bar (0 to 58 psi) relative

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