Digital CO2 Carbon Dioxide IAQ Monitor Controller with Relay Function 4.5m Cable NDIR Sensing Probe for Green House Home, Office, Factory

👍 Accurate NDIR CO2 sensor: Uses nondispersive infrared sensor (NDIR) technology for most precise and reliable CO2 measurements. 👍 Real-time CO2 monitoring: The meter displays real-time CO2 values and features an adjustable CO2 chart with customizable time scales. 👍 Audible alarm and target zone indicator: An audible alarm warns of high CO2 concentrations, and the target zone indicator helps you maintain optimal CO2 levels. 👍 Convenient features: With built-in day/night auto-detection, the sensing probe cable is 4.5 meters long to extend your measure spot 4.5 meters away from the display. 👍 Extended measurement range: The meter has a measuring range of 0-5000 ppm with high accuracy. This CO2 controller has plants mode and human mode. It can help you to measure the exact value of CO2., Weight: 2.866009406 Pounds, Manufacturer: Gain Express Holdings Ltd