Combustible Gas Sensor 4p-90

Following are the Main Key Features & Benefits of Combustible Gas Sensor 4P-90 :
a c ATEX, UL and CSA Approvals
a c Withstands EN/IEC 60079-0 impact test
a c Enhanced H2S and silicone poison resistance
Performance Characteristics
MEASUREMENT
Operating Principle: Catalytic Oxidation
Gases Detected: Most combustible gases and vapours
Range: 0-100% LEL
Sensitivity: 75 A 7 mV/%methane
T90 Response Time: <20 seconds (methane)
Poison Resistance: Resistance to H2S poisoning
H2S Filter Lifetime: Typically 1000 ppm hr
Linearity: Linear up to 3% methane
ELECTRICAL
Operating Voltage: 3.3 VDC
Detector Operating Current: 28 A 5 mA
Maximum Power Consumption: 288 mW
Resolution: Electronics dependant
MECHANICAL
Casing Material: Stainless steel 316
Pin Material: Gold plated brass
Weight: 24 g (nominal)
Orientation Sensitivity: None
ENVIRONMENTAL
Operating Temperature Range: -20oC to +55oC
Operating Pressure Range: 1 atm A 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: 0oC to 20oC
Shelf life: 6 months in sealed container
Warranty: 12 months from date of dispatch