CL4.2 Chlorine Sensor Water Quality Probe with 6-8 pH Range and 0.005-200 ppm Measurement Capability
The CL4.2 Chlorine Sensor is a membrane-covered, amperometric 2-electrode water quality probe designed for precise measurement of free inorganic chlorine at constant pH levels between 6 and 8. This sensor is essential for maintaining effective disinfection in various water treatment applications.
- Integrated automatic temperature compensation
- Fast response time: T90 approximately 30 seconds
- Standard shaft length of 175mm, extendable to 220mm
- Constructed from durable PVC-U with semipermeable membrane
- Multiple output signal options including 4-20mA and Modbus RTU
| Parameter | Specification |
|---|---|
| Product Model | Chlorine Sensor CL4.2 |
| pH Range | 6-8 |
| Pressure Range | 0-1 bar (no pressure surges or fluctuations) |
| Temperature Range | 0-45℃ (no ice crystals in measurement water) |
| Response Time | T90 approximately 30 seconds |
| Calibration Method | Analytical chlorine determination by DPD-1 method |
| Connection Options | mA-version 2-pole terminal, M12 male or Modbus RTU with M12 male |
This chlorine sensor is ideal for monitoring water quality in swimming pools, drinking water systems, service water, and process water applications. Note: The water must not contain surfactants and the pH value must remain constant.
The CL4.2 sensor provides stable and fast measured values for safe and efficient disinfection control. Automatic temperature compensation ensures accuracy, though sudden temperature changes should be avoided for optimal performance.
| Type | Measuring Range (ppm) | Resolution (ppm) | Output Signal | Power Supply | Item Number |
|---|---|---|---|---|---|
| CL4.2H-M0c | 0.005-2.000 | 0.001 | Modbus RTU | 9-30 V DC, 20-56 mA | 3326225 |
| CL4.2N-M0c | 0.05-20.00 | 0.01 | Modbus RTU | 9-30 V DC, 20-56 mA | 3326226 |
| CL4.2L-M0c | 0.5-200.0 | 0.1 | Modbus RTU | 9-30 V DC, 20-56 mA | 3326227 |
| CL4.2MA0.5 | 0.01-0.50 | 0.01 | 4-20 mA | 12-30 VDC, RL: 50-900 Ω | 3326240 |
| CL4.2MA2 | 0.01-2.00 | 0.01 | 4-20 mA | 12-30 VDC, RL: 50-900 Ω | 3326241 |
| CL4.2MA5 | 0.01-5.00 | 0.01 | 4-20 mA | 12-30 VDC, RL: 50-900 Ω | 3326242 |
| CL4.2MA10 | 0.01-10.00 | 0.01 | 4-20 mA | 12-30 VDC, RL: 50-900 Ω | 3326243 |
| CL4.2MA20 | 0.01-20.00 | 0.01 | 4-20 mA | 12-30 VDC, RL: 50-900 Ω | 3326244 |
| CL4.2MA-100 | 0.1-100 | 0.1 | 4-20 mA | 12-30 VDC, RL: 50-900 Ω | 3326245 |
| CL4.2MA-200 | 0.1-200 | 0.1 | 4-20 mA | 12-30 VDC, RL: 50-900 Ω | 3326246 |
Each CL4.2 chlorine sensor package includes: sensor unit, membrane cap, and electrolyte solution.
Contact Us: For detailed pricing and technical support for the CL4.2 Chlorine Sensor, please contact our sales team.
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