MQ-135 air quality sensor

This module contains a sensor to detect the concentrations of various harmful gases in the air. The MQ-135 can record gas concentrations from 300 to 5000ppm. This module ordered both an analog output and a digital output, which triggers an adjustable concentration.

Properties:
Sensitive to: Ammonia, sulfur, gasoline, smoke
Warm up voltage: 5 ± 0.2V
Warm up current: 150mA
Warm-up capacity: 300mW
Detection zone: 300 to 5000ppmm
Sensitivity: ≥3%
Response Time: ≤1s
Recovery Time: ≤30s
Max humidity: 95%