Welcome to the future… Controlling temperature, humidity and CO2 PPM levels has never been easier. The Sentinel Day/ Night Environmental Controller operates ALL of your growing area conditions accurately and reliably.
First of all, the CHHC-4 has all of the CO2 control features of the CHHC-1 and CPPM-1. It also has the ability to control 3 other devices, a heating device and a humidity device. Records the minimum and maximum temperature, humidity and CO2 levels.
Unlike some CO2 controllers, the CHHC-4 is able to be calibrated by the user with the self calibration feature.
• NEW Green LED lights make this unit very plant friendly
• NEW Removable combination remote temp, humidity, light level & CO2 probe allows the CHHC-4 to be placed up to 16 feet away
• NEW Protective caps to help prevent water from getting into the controller
• Monitors and controls CO2 with PPM accuracy
• Also controls 3 other devices, a heating device, a cooling device and a humidity device
• Separate day/night temp and humidity settings
• Has 2 separate outputs to control cooling and heating
• Can increase or decrease the amount of humidity in the growing area
• Remote temp, humidity, CO2 and light level sensor
• 3-year manufacturer’s warranty.
Instruction Manual – PDF format