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Combustible Gas Sensor - MICROpeL 75C

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• 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:

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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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