Dimensions 142 x 84 x 46 mm
Power supply / Power consumption 16...29 VDC/AC
Display type LCD, 1-line
Enclosure material ABS
IP protection rating IP54

Applications
Ventilation control in greenhouses and harsh environments.

Features
• Model : GH (Greenhouse) 
• Measurement range CO2: 0…4 %vol (0…40,000 ppm) 
• Accuracy: ±200 ppm
• Temperature measurement range: 0…50 °C (30...120 °F) 
• Output 1 (0...4 %vol): 0/2…10 VDC or 0/4…20 mA
• Output 2 (0...50 °C): 0/2…10 VDC or 0/4…20 mA
• Output 3 (CO2): Relay 1: open <1.9 %, closed >2.0 %
• Range of application: 0…50 °C (30...120 °F) / 0…95 %RH
• Maintenance: is not necessary for normal indoor applications.Certain industrial applications require annual calibration 
• Lifetime: >15 years