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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product name | MQ135 gas sensor module |
| Sensor type | Gas sensing module based on MQ135 sensing probe |
| Main chip | MQ135 gas sensing probe |
| Size | 32 × 20 × 22 mm / 1.25 × 0.78 × 0.86 in |
| Operating voltage | DC 5 V |
| Power (current) | 150 mA |
| Digital output (DO) | 0.1 V / 5 V TTL level output (low-level valid signal) |
| Analog output (AO) | 0.1 – 0.3 V (increases with gas concentration) |
| Signal output indication | Built-in indicator showing signal output status |
| Output type | Dual output (analog output and TTL digital output) |
| Sensitivity | High sensitivity to sulfides, benzene vapors, smoke, ammonia, and other harmful gases |
| Detection range | 10 – 1000 ppm (approximate gas concentration range) |
| Operating characteristics | Rapid response and recovery, long life, and stable performance |
| Features | Analog voltage increases with gas concentration; digital output for threshold detection |
| Applications | Household gas leak detection, air quality monitoring, detection of ammonia, aromatic compounds, sulfur compounds, benzene vapor, smoke, and other harmful gases |
Package Includes:
1 x MQ-135
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