MICROpeL 75C Combustible Gas Sensor Key Features & Benefits:
• ATEX, UL and CSA Approvals
• Withstands EN/IEC 60079-0 impact test
• Enhanced H2S and silicone poison resistance
• Reduced Orientation Effects
MICROpeL 75C Combustible Gas Sensor Performance Characteristics
MEASUREMENT |
Operating Principle |
Catalytic Oxidation |
Gases Detected |
Combustible gases |
Suitable for |
Methane, ethane, propane, butane, pentane,
hexane, carbon monoxide & hydrogen |
Unsuitable for |
Higher hydrocarbons, alcohols, ketones,
esters, hydrogen sulfide and other sulfur
containing compounds |
Range |
0-100% LEL |
Sensitivity* |
31 ± 5 mV/%methane |
T90 Response Time* |
<5 seconds (methane) |
Poison Resistance |
Resistance to H2S poisoning
Superior silicone resistance |
H2S Filter Lifetime |
Typically 1000 ppm hr |
Linearity |
Linear up to 3% methane |
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|
ELECTRICAL |
Operating Voltage |
3.30 ± 0.02 VDC |
Detector Operating Current |
78 ± 6 mA |
Maximum Power Consumption |
295 mW |
Resolution |
1% LEL |
|
|
MECHANICAL |
Weight |
2 g (nominal) |
Orientation Sensitivity |
None |
|
|
ENVIRONMENTAL |
Operating Temperature Range |
-20 ºC to +55 ºC |
Operating Pressure Range |
1 atm ± 20% |
Operating Humidity Range |
0-90% RH non-condensing |
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|
LIFETIME |
Long Term Span Drift* |
<5% signal/month |
Long Term Zero Drift* |
<5% LELmethane/month |
Recommended Storage Temp |
0 ºC to 20ºC |
Shelf life |
6 months in sealed container |
Warranty |
12 months from date of despatch |
* Specifications are valid at 20°C, 50%RH and 1013 mbar at a flow rate of 300 ml/min.
Performance characteristics outline the performance of sensors supplied within the first 3 months. Output signal can drift below the lower limit over time.