Electrochemical SensorsTL-CL Series
Chlorine Sensor (Free / Total)

Electrochemical Sensors
Chlorine Sensor (Free / Total)
TL-CL Series
Amperometric free and total chlorine sensor. Range 0–20 mg/L, IP68, RS485 output.
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The TL-CL Series measures free chlorine and total chlorine in water distribution, disinfection control, and swimming pool applications. Uses constant voltage amperometric method. Low maintenance with long-life membrane electrode.
Technical Specifications
| Parameter | Value |
|---|---|
| Measurement Principle | Constant voltage amperometric |
| Free Chlorine Range | 0–20 mg/L |
| Total Chlorine Range | 0–20 mg/L |
| Accuracy | ±3% FS |
| pH Compensation | Built-in |
| Temperature Range | 0–45°C |
| Signal Output | RS485 Modbus RTU / 4-20mA |
| Power Supply | 12–24 VDC |
| Protection | IP68 |
| Installation | Flow cell or pipe |
Key Features
- Measures both free and total chlorine
- Built-in pH and temperature compensation
- Long-life membrane electrode
- Flow cell or direct pipe installation
Typical Applications
Drinking water disinfectionSwimming poolsCooling water treatmentWater distribution networks
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