Technical Documents
Application Resources
EMS-00010-F
MQ-7 Sensor
CO gas detection module
Description
Manufacturer Details
| Manufacturer | Part Number |
|---|---|
| Hanwei Electronics | MQ-7 |
| Zhengzhou Winsen Electronics | MQ-7 |
| DFRobot | MQ-7 |
Technical Specifications
| Model | MQ-7 |
| Ambient temperature | -20 ~ + 50 °C |
| Characteristic gas | 100 ppm CO |
| Heating current | ≤ 180 mA |
| Heating power | approx. 350 mW |
| Heating resistance | ± 31 Ω |
| Heating voltage | 5.0V ± 2V / 1.5 ± 1V |
| Humidity | ≤ 95% RH |
| Operating Voltage | 5 V |
| Oxygen content | 21%. |
| Range | 10 ~ 1000 ppm |
| Return time | ≤ 30 s |
| Sensitivity | ≥ 3%. |
| Length | 3.5 cm |
| Height | 1.1 cm |
| Width | 2 cm |
Part Family Variants (8)
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