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Combustible Gas Sensor - MICROpeL 75C

• Range: 0-100% LEL
• Sensitivity: 31 ± 5 mV/%methane
• T90 Response Time: <5 seconds (methane)
• Linearity: Linear up to 3% methane
• Operating Voltage: 3.30 ± 0.02 VDC
• ATEX, UL and CSA Approvals
• Withstands EN/IEC 60079-0 impact test
• Enhanced H2S and silicone poison resistance
• Reduced Orientation Effects

  • Model Number: MICROpeL 75C
  • Data Sheet: Date Sheet File
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  • Combustible Gas Sensor
  • Combustible Gas Sensor
  • Combustible Gas Sensor
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Product Specification

MICROpeL 75C Combustible Gas Sensor Description
MICRO combustible gas sensor, resistant to H2S and enhanced resistance to silicone poisoning – ATEX, UL & CSA certified.

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


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


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.

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