Online Infrared Methane Gas Detector KB-501
Gas detector KB-501 is a new type methane gas detector which used high performance NDIR infrared sensor and sophisticated SMD technology. It has following advantages: good repeatability,high resistance to humidity-temperature jamming, long performance life and simple operation. It is applied to inspection for methane gas concentration in industrial environments.
KB-501 can translate the gas concentration signals into electric current signals or digital signals for outputting and transmitting. It adopted three-wire (4~20mA signals output) and four-wire (RS485 bus output) system, remotely examine the detection result through the monitor or controller.
Features
- Cast aluminium housing;
- Advanced NDIR infrared sensor;
- Intrinsically safety circuit design;
- Three-wire system 4~20mA standard signals output and long distance transmission;
- RS485 bus output (optional);
- Possible to connect to DCS system directly;
- The probe has following advantages: high sensitivity, quick-response capacity, long performance life and short polarization time.
Technical Specifications
| Applicable Gas | Methane (CH4) |
| Detecting Range | 0~5%VOL or 0~100%VOL |
| Resolution 0.01% | 0.1% |
| Working Current | ≤170mA |
| Working Voltage | 16~30V DC |
| Power Consumption | <2.2W |
| Output Signal |
three-wire system 4~20mA standard signals output; RS485 bus output (optional) |
| Installation Means | Wall mounted |
| Transmission Distance | ≤1000m |
| Explosion-proof Type | Explosion insulating |
| Explosion-proof Index | Ex d IIC T6 |
| Protection Grade | IP65 |
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