TrolMaster (BETA-8) Digital CO2 PPM ControllerTrolMaster's BETA-8 CO2 controller offers a precision CO2 NDIR sensor / controller in an affordable easy-to-use package. The BETA-8 features a high-quality remote CO2 sensor (with 16ft cable) and built-in photocell to automatically activate your supplemental CO2 system to maintain CO2 PPM levels only during daylight hours. The BETA-8 also has adjustable deadband and min-max recall. It also has a ‘fuzzy-logic’ feature which will more accurately control compressed CO2 systems. The CO2 sensor can be easily re-calibrated and will continue to operate accurately for many years.Features & Benefits: LED Display, Easy Operation Built-In Photocell Detecting Day/Night Status Alternative Humidifying or Dehumidifying Function CO2 Sensor with 16 ft Cable for Close Placement to Plant Canopy Package Content: 1 x CO2 PPM Controller 1 x CO2 Sensor
