Product details
Specifications:
- Main chip: LM393,MQ-135 gas sensor
- Operating voltage: DC 5V
- With signal output indicator instructions.
- Dual signal output (analog output, and TTL level output).
- TTL output valid signal is low level, (output low signal light, which can be accessed microcontroller IO port).
- Analog output with increasing concentration, the higher the concentration, the higher the voltage.
- with high sensitivity and good selectivity for Sulfide, benzene Department of steam, smoke and other harmful gases.
- Has a long service life and reliable stability.
- Rapid response and recovery characteristics.
- Size:36mm X24mm X25mm(L * W * H)
