Weight | 20 g |
---|---|
Dimensions | 35 × 20 × 11 mm |
Package contents | 1 x MQ-7 Carbon Monoxide Coal Gas Sensor Module |
Operating voltage (v) | DC 5 |
Range | 10 ~ 1000 ppm |
Characteristic gas | 100 ppm CO |
Sensitivity | ≥ 3%. |
Return time | ≤ 30 sec |
Heating resistance | ± 31 Ω |
Heating current | ≤ 180 mA |
Heating voltage | 5.0V ± 2V / 1.5 ± 1V |
Heating power | approx. 350 mW |
Ambient temperature (°C) | -20 ~ + 50 |
Humidity | ≤ 95% RH |
Oxygen content | 21%. |
Length (mm) | 35 |
Width (mm) | 20 |
Height (mm) | 11 |
Weight (gm) | 20 |