TCS101 thermal conductivity hydrogen purity sensor
Thermal conductivity hydrogen purity sensor
TCS101 thermal conductivity hydrogen purity sensor is a gas purity sensor designed using MEMS technology. It does not require a reference gas and has advantages such as a wide measurement range and flexible configuration. It adopts a constant temperature chamber design, which can ensure measurement accuracy at ambient temperatures (-20~50) C. Widely suitable for gas analysis, online monitoring, industrial process analysis and other applications.
| Parameter Name | Parameter Value |
|---|---|
| Detected Gas | Hydrogen (H₂) |
| Measurement Range | (0~100)% Vol |
| Preheating Time | < 2 minutes |
| Stable Time in Thermostatic Chamber | < 10 minutes (12VDC, room temperature) |
| Recommended Flow Rate | (50-500) mL/min |
| Linearity Error | < ±0.1% F.S. |
| Response Time (T90) | < 21 seconds (@500 mL/min) |
| Repeatability | < 0.2% (relative standard deviation) |
| Minimum Detection Limit | 0.2% F.S. |
| Resolution | 0.01% |
| Operating Voltage | (7~12) VDC |
| Operating Current | Max 2.4A (average 200mA) @12V |
| Average Power | < 2.5W |
| Peak Power | < 40W |
| Signal Output Method | MODBUS RTU @ RS-485 |
| Operating Temperature | (-20~50)°C |
| Operating Humidity | (0~95)% RH (non-condensing) |
| Storage Temperature | (-40~80)°C |
| Dimensions | 106mm*85mm*71mm (L*W*H) |
| Weight | 470g |


Other features:
- Adopting a constant temperature chamber design, it can ensure reliable measurement results at -20 ℃~+50 ℃;
- Sensor has no obvious usage consumption and a service life of more than 10 years;
- Designed using MEMS technology, without the need for reference gas, with a wide measurement range and flexible configuration.