This module integrates Electrochemical formaldehyde,
Semiconductor VOC sensor, Laser particle sensor, NDIR CO2 sensor and temperature& humidity sensor. (Users could choose CH2O version or VOC version, they are not concomitant.)
Communication Interface: TTL serial, Baud rate:9600, data bit:8, stop bit:1, parity bit: none.
Detection target and range:
CO2: 400-5000ppm;
PM2.5: 0-1000μg/m³;
HCHO: 0-1.6ppm;
VOC: 4 level;
Temperature: 0-65℃ (Accuracy±0.5℃);
Humidity: 0-100%RH (Accuracy±3%)
Application
Gas detector
Air conditioner
Air quality monitoring
Air purifier
HVAC system
Smart home