Select this chlorine (CL2) gas detector to add a safety barrier to your working environment. It has a variety of measurement ranges, from 0-10/20 ppm to 0-50/100 ppm, to meet the needs of different applications. Flexible output signals, optional 4-20mA and RS485, with one or two relay outputs, suitable for a variety of alarm settings. The device has passed the IP65 protection certification, which can withstand harsh environments.
Specification
| Model |
GD300-CL2 |
| Detection Principle |
Electrochemistry |
| Detected Gas |
Chlorine (Cl2) |
| Measure Range (Optional) |
0 to 5ppm, 0 to 10ppm, 0 to 20ppm, 0 to 50ppm, 0 to 100ppm |
| Resolution |
0.001ppm (0-5ppm), 0.01ppm (0-10/20/50ppm), or 0.1ppm (0-100ppm) |
| Calibration Kit |
Gas pressure regulator (calibration gas cylinder NOT included) |
| Install Method |
Wall-mounted, piping type, flow-type (according to the detected environment) |
| Output Signal (Optional) |
4-20mA and RS485 Relay output: one group of relay output (1NO+1NC, 5A/30V) for one alarm (default), or two groups of relay output (2NO+2NC, 5A/30V) for high/low alarm (optional). |
| Precision |
≤±3%F.S. |
| Response Time |
≤10s |
| Repeatability |
≤±1% |
| Recovery Time |
≤10s |
| Linearity Error |
≤±1% |
| Zero Shift |
≤±1%(F.S./year) |
| Display |
High light nixie tube display |
| Connection Mode |
Power connection type: G1/2 male thread explosion-proof flexible pipe Pipe-mounted type: M45*P2.0 |
| Operating Time |
24h |
| Temperature |
-20℃ ~ 50℃ |
| Humidity |
0-95%RH (non-condensing) |
| Explosion-Proof |
II 2G Ex db IIC T4 Gb |
| Degree of Protection |
IP65 |
| Alarm Mode |
Sound, light |
| Case Material |
Die-casting aluminum housing |
| Power |
12-36V DC |
| Dimensions |
206*179*90mm |
| Weight |
≤1.6kg |
| Certification |
CE, ATEX (Standard: EN IEC 60079-0:2018, EN 60079-1:2014) |
| Power Adapter |
Input 100-240VAC 50/60Hz, Output 24VDC 1A (Optional USA plug, Europe plug, AU plug or UK plug) |
Fixed Gas Monitor User Manual
Gas Monitor Functions
- This chlorine gas detector adopts three-wire 4-20mA analog signal output, relay output, RS485 output (optional).
- The original imported sensors, with a unique infrared remote control function, non-contact operation and maintenance of hydrogen gas tester.
- Compatible with a variety of control alarms, PLC, DCS and other control systems, you can realize remote monitoring, gas monitoring is more accurate and reliable.
- Explosion-proof design, fast, credible and more stable.
- Full software auto-calibration function with temperature compensation can perfectly realize the compensation of gas concentration under different temperature environment.
Fixed CL2 Gas Monitor Details

Fixed Chlorine Gas Monitor with Alarm Dimension (Unit: mm)

Tips: What do I need to be aware of when using a fixed chlorine gas monitor?
When using a stationary chlorine gas detector, first ensure that the gas detector is installed in an area where there is a high risk of chlorine leakage, and regularly check and calibrate the device to ensure its sensitivity and accuracy. Also, avoid exposing the gas monitor to excessive moisture or corrosive environments to prevent damage to the sensor. Finally, review the monitoring data regularly to ensure timely response to alarm signals and a safe working environment.