Online Free Residual Chlorine Sensor for Water Treatment – IP65 (CL-6850)

Model NO.
Accuracy 2
Hypochlorous Acid (Hocl): +-1%+-0.01 Mg/L
Accuracy 3
pH Value: +0.02pH, Temperature: +- 0.5c
Temp. Comp. 1
Manual/Automatic pH Compensation Feature (0-14)
Temp. Comp. 2
Temperature Compensation (0~60c)
Free Chlorine Sensor, pH Sensor
Operation Temp.
Current Output
Isolation 4~20mA, (RS485 Optional)
Control Output
on/off High Limit, Low Limit Relay
AC 110/220V+-10% 50/60Hz, DC 24V, DC 12V
Working Environment
Ambient Temp. 0~50c, Relative Humidity<=90%
Protection Grade
IP 65
Transport Package
HS Code
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HEBEI JIRS IMPORT & EXPORT CO., LTD. Diamond / Audited Supplier
Industrial online free chlorine, PH, HOCL and Temperature analyzer

Character & Application:

1. Industrial online Free chlorine and HOCL, PH monitoring and controlling analyzer.
2. Measure Free chlorine, Hypochlorous acid (HOCl), PH and Temperature value.

3. Widely used in drinking water, bottling water, electricity, medicine, chemical, food, pulp &paper, swimming pool, water treatment industry.

Main Technique Specifications:

Range Free chlorine :0-20.00 mg/L(ppm)
Hypochlorous acid (HOCl) :0-10.00 mg/L(ppm)
PH value :0-14pH, Temperature: 0-60 ºC
 Accuracy Free chlorine: ±1% or ±0.01 mg/L,
Hypochlorous acid (HOCl) : ±1% o ±0.01 mg/L,
PH value: ±0.02pH, Temperature: ±0.5ºC
Temp. Comp. Manual/automatic pH compensation feature(0-14)
and temperature compensation(0~60ºC)
Electrode Free chlorine Sensor, PH sensor
Display LCD display
Operation Temp. 0~60ºC
Current output isolation 4~20mA, (RS485 optional)
Control output ON/OFF High limit, low limit relay
Power AC 110/220V±10% 50/60Hz, DC 24V, DC 12v
Working environment Ambient Temp. 0~50ºC, Relative Humidity ≤90%
Overall dimensions 96×96×115mm(H×W×D)
Hole size 91×91mm(H×W)
Installation Mode Panel mounted(embedded)
Protection grade:  IP 65

Controller picture:

Full set picture:

Free chlorine Sensor:

PH Sensor:

Free chlorine and PH Sensor installation drawing: