UK Alphasense Infrared Methane Sensor Thermopile Detector - IRM-AT

I.Infrared Methane SensorIRM-AT Performance

Power Consumption	5.0 VDC, 60mA (50% duty cycle drive)
Operating Voltage	2.0 VDC, 20mA (50% duty cycle drive)
Drive Frequency	Typical 3 Hz, 50% duty cycle
Output in Air (Working/Reference Channel, peak-to-peak)	2~4mV @ 3 Hz, 50% duty cycle
Typical Working Signal Change in 2.5% CH4	Decrease 5% (typical) @ 5 V
Typical Working Signal Change in 100% CH4	Decrease 30% (typical) @ 5 V
Response Time (t90)	< 40s @ 20°C ambient temperature
Warm-up Time	30 min @ 20°C, 5 VDC

II. Infrared Methane Sensor IRM-AT Lifespan
MTBF @ 5VDC > 3 years

III. Infrared Methane Sensor IRM-AT Key Specifications
Temperature Signal Thermistor (NTC, R25 = 100kΩ, β= 3940 K)
Operating Temperature Range -20°C ~ +50°C (0~40°C linear compensation)
Storage Temperature Range -40°C ~ +75°C
Humidity Range 0 ~ 95% rh non-condensing

IV. Infrared Methane Sensor IRM-AT Range