● Accurate and excellent long-term life cycle
● Measuring up to 10000 PPM
● Voltage or current output and optional RS-485, and display
● Free software configuration
sensor type NDIR sensor CO2 measuring range 0 ... 10000 PPM signal connection 3-wire load resistance voltage output：≧10KΩ current output：< 250 Ω response time GS43: < 2 min. ; GS44 : < 6 min. power supply DC 12 ... 36 V & AC 24 V ± 10 % protection degree GS43 : IP54 ；GS44 : IP64
the "online privacy declaration."