China Air Quality Hydrogen H2 Gas Detector Sensor 1000 ppm Toxic Gas Environmental Monitoring Gastight Electrochemical Compact, Find details about China Membrapor, H2 Sensor from Air Quality Hydrogen H2 Gas Detector Sensor 1000 ppm Toxic Gas Environmental Monitoring Gastight Electrochemical Compact
Nominal Range | 0 - 1000 ppm |
Maximum Overload | 2000 ppm |
Expected Operation Life | 2 years in air |
Output Signal | 17-40 nA/ppm 1) |
Resolution | 2 ppm |
Temperature Range | 0 °C to 45 °C 2) |
Pressure Range | Atmospheric±10% |
Pressure Coefficient | No data |
T90 Response Time | < 40 sec |
Relative Humidity Range | 15 % to 90 % R.H. non-condensing |
Typical Baseline Range (pure air, 20°C) | < 10 ppm |
Maximum Zero Shift (+20°C to +40°C) | No data yet |
Long Term Output Drift | < 2% signal loss/month |
Recommended Load Resistor | 10 Ohm |
Bias Voltage | Not allowed |
Repeatability | < 5 % of signal |
Output Linearity | Linear |
Weight | ~ 13 g |
Position Sensitivity | None |
Storage Life | Six months in container |
Recommended Storage Temperature | 5 °C - 20 °C |
Warranty Period | 12 months from date of dispatch |
Interfering Gas | Concentration | Reading |
CO | 100 ppm | <1 ppm 3) |
H2S | 20 ppm | 0 ppm |
Organic solvents 4) |
Module type | GM-I2(3)-M/C/S-**-****/G/P/F/FL |
Detected gas | Toxic gas |
Detecting principle | Electrochemistry |
Sampling | Diffusing pump flange thread |
Responding time | 30s~40s(of the sensor) |
Module accuracy | ≤±3%FS(actual concentration, higher accuracy depends on specified sensors) |
Module repeatability | ≤±2% FS |
Module linear error | ≤±2% FS |
Module zero temperature drift | ≤±2% (FS/year) |
Module operating temperature | -40~80°C |
Module humidity | 0-95%RH(non-condensation) |
Sensor operating temperature | -20°C~50°C |
Sensor humidity | 0-90%RH(non-condensation) |
Signal output | TTL/4-20mA /RS485 (two or three wire) |
Transmitting distance | 1000 meters(RS485) |
Operating voltage | DC 12-36V |
Maximum power | ≤0.8W |
Size | 80*48mm |
Explosion proof | Intrinsic safe |
Connection cable | RVVP3 x 1.5mm² |