CO2 Monitor & Controller CO2 Concentration Tester Controller 0~9999ppm Measuring Range with Human & Plant Mode High Sensitive Wall-mounted Carbon Dioxide Air Quality Monitor Detection Controller Relay for Cultivation Breeding Greenhouse

Features:
Multifunction CO2 Monitor Controller: it can detect CO2 concentration, temperature and humidity in the current environment, and realize the automatic control of carbon dioxide concentration.
High-precision Split-Type Probe Sensor: high sensitive external probe sensor for quickly and accurately measurement of carbon dioxide content.
Large Colored Screen: 3.8-inch screen display the current values in real time, and it has the human mode and plant mode to be switched from.
Human Mode: if the set alarm value is exceeded, the instrument will automatically supply power to the exhaust fan for ventilation and beep sound-light alarm. Suitable for hospitals, offices, schools, stations, commercial buildings, etc.
Plant Mode: when the set value is exceeded, the relay output will be turned off; and the relay output will be turned on automatically when it decrease to the preset low value. Suitable for greenhouse, agricultural, hydroponic flower industry, mushroom farm, etc.
Easy to Install: the device with simple but stylish appearance, package includes the accessories for wall mounted installation.