ZRT510 Refrigerant Sensor Module - China

This module uses non-dispersive infrared (NDIR) principle to detect the existence of refrigerant in fast response, with excellent selectivity and non-oxygen dependent. It’s a high performance module with temperature

Multi-in-One Air Quality Module (HCHO Ver. & VOC Ver.) - China

This module integrates multiple sensors of Electrochemical HCHO, Semiconductor VOC, Laser particles, NDIR CO2, and Temperature & Humidity, providing UART(TTL) output. The compact design saves developing time, great choice for air quality detector, air purifier, air conditioner and HVAC system.