Gas and Dust Sensor
MQ-7 CO Carbon Monoxide Coal Gas Sensor Module
In stock
| Weight |
20.0000 g |
|---|---|
| Dimensions |
35 × 20 × 11 mm |
| 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%. |