China Hydrogen Chloride HCl Gas Detector Sensor 20 ppm Environmental Control Toxic Gas Electrochemical Miniature, Find details about China Membrapor, HCl Sensor from Hydrogen Chloride HCl Gas Detector Sensor 20 ppm Environmental Control Toxic Gas Electrochemical Miniature
Operation Principle | 3-Electrode Electrochemical |
Nominal Range | 0 - 20 ppm |
Maximum Overload | 40 ppm |
Expected Operation Life | 2 years in air |
Output Signal | 400 ± 150 nA/ppm |
Resolution (Electronics dependent) | <0.2 ppm |
Temperature Range | -20 °C to 50 °C |
Pressure Range | Atmospheric ±10% |
Pressure Coefficient | No data |
T80 Response Time | < 60 sec |
Relative Humidity Range | 15 % to 90 % R.H. non-condensing |
Typical Baseline Range (pure air, 20°C) | -0.5 to 0.5 ppm |
Maximum Zero Shift(20°C to +40°C) | N.D. |
Typical Long Term Output Drift | < 2 % per month |
Recommended Load Resistor | 10-20 Ohm |
Bias Voltage | not allowed |
Repeatability | < 2 % of signal |
Output Linearity | Linear |
Humidity Effect | < 0.7 ppm |
Weight | ~ 5.5 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(ppm) | Reading(ppm) |
HBr | 20 | 10 |
H2 | 0 | |
Isopropanol | 0 | |
C2H4 | 100 | 0 |
H2S | 20 | 31 |
NO | 25 | 0 |
NO2 | 20 | -6 |
SO2 | 100 | 0 |
Cl2 | 20 | 0 |
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 |