Atlas® 1 CO2 Monitor/Controller comes with a 25 ft remote sensor. It features adjustable set point and elevation levels, a built-in self calibration function and an integrated photocell that enables operation in daytime hours only, when the plants need CO2. Simple to use and easy to operate. 15 Amps/120 Volt/60Hz. Replacement sensor can be purchased separately. The sensor comes factory calibrated for precise CO2 readings and utilizes low voltage technology to avoid Radio Frequency Interference (RFI) from electronic ballasts.

Atlas 1 with remote sensor monitors and controls the garden for maximum CO2 efficiencyAdjust CO2 PPM set point or modify elevation with just two buttonsCan control both CO2 tanks or CO2 generators!Controls any CO2 equipment that is operated by 120 volt powerDurable powder coated, steel enclosure will stand up to the toughest garden conditionsAdds CO2 only during daylight period by using the controllers integrated photocell50 parts per million (PPM) deadband/hysteresis built into CO2 set pointMemory retains controllers settings even when the power is off15 amps/120 Volt/60 Hz3 year warranty