GS23 CO2 Transmitter / Indoor type

Display
Display：LCD module without backlight
Display readout：One line character
Digit：4 digits
Digit height：17.84 mm

Input
CO₂：NDIR sensor

Measuring range
CO₂：0 … 2000 PPM

Output
Analog output：0 … 10 V / 4 … 20 mA
Modbus：RS-485
Signal connection：3-wire
Load resistance：Max. 250 Ω for I output / Min. 100 KΩ for V output
Warm-up time：＜2 min；Stable time 20 min
Response time：t90＜2 min
Sampling time：About 6 sec
Data logger：Via RS-485 by using eYc free software

Accuracy(at +25°C；101.3 kPa)
CO₂：±40 PPM±3% of reading

Environment
Medium：Air
Operating Temp. ：0 … +50°C
Operating Humid.：0 … 85%RH
Storage temperature：-20 … +60°C

Electrical
Power supply：DC 24 V±10% & AC 24 V±10%
Current consumption：DC：150 mA / AC：120 mA
Starting current：DC 24 V：250 mA  / AC 24 V：230 mA
Electrical connection：Analog & communication：4P connector

Installation
Installation：Wall mount

Protection
IP rating：IP20
Electrical protection：■ Polarity protection ■ Short-circuit

Certification
Certification：CE

Material
Housing：PC(PC-110)(UL94V-2)
Weight ：100 g