Description:
- High-quality dual-panel design, with power indicator and TTL signal output instructions.
- With DO switch signal (TTL) output, AO analog signal output.
- 4 screw holes for easy positioning.
- Long service life, reliable stability.
- Rapid response, recovery characteristics.
Specification:
- MQ-135: for clean air, low conductivity tin dioxide (SnO2). Warm up time: more than 48 hours.