CITY 4P75C 4P-75C Catalytic Combustion Sensor CH4 Methane LEL PM483-000

CITY 4P75C 4P-75C Catalytic Combustion Sensor CH4 Methane LEL PM483-000 Parameters Brand: 4P75C Model: OOM204 Origin: UK 1. Gas Detection Range: 0~100% LEL (Lower Explosive Limit) Applicable gases: Methane, Ethane, Propane, Butane, Pentane, Hexane, CO, Hydrogen Not suitable for: High-carbon hydrocarbons, alcohols, ketones, esters, high-concentration H₂S, and other sulfur-containing gases Sensitivity: 24±4 mV / % Methane T90 Response: Methane <20s Linear Range: 0~3% Methane with excellent linearity Anti-poisoning advantage: Enhanced resistance to silicone and H₂S, H₂S filter layer lifespan about 1000 ppm·hours 2. Electrical Parameters Operating Voltage: 3.0 VDC Operating Current: 74±6 mA Max Power: 263 mW Output Method: Differential millivolt bridge signal, requires matching catalytic detection circuit 3. Environmental Specifications Operating Temperature: -20℃ ~ 55℃ Humidity: 0~90% RH, no condensation Pressure: Standard atmospheric pressure ±20% Mechanical Weight: 24g, stainless steel casing, three-pin straight plug