GS23 CO₂ Transmitter / Indoor type
Model :
GS23
Features : Suitable for HVAC application. Simple appearance.
Sensor type : NDIR sensor
Measuring range : 0 ... 2000 PPM
Output : 0 ... 10 V / 4 ... 20 mA / RS-485
Accuracy : ±40 PPM±3% of reading
IP rating : IP20
Sensor type : NDIR sensor
Measuring range : 0 ... 2000 PPM
Output : 0 ... 10 V / 4 ... 20 mA / RS-485
Accuracy : ±40 PPM±3% of reading
IP rating : IP20
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Features● Measuring carbon dioxide
● Analog outputs and RS-485
● LCD display and real-time data monitoring
● Long-term stability
● Easy installation and maintenance
● Data can be logged and transferred to PC via RS-485 software
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ApplicationsMonitoring the air quality in indoor environments / HVAC / Air conditioning / Museums / Supermarkets / Data centers / Warehouses
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Specification
Sensor type
CO₂
NDIR
Measuring range
CO₂
0 ... 2000 PPM
Accuracy (at 25°C, 101.3 kPa, DC 24 V)
CO₂
±40 PPM±3% of reading
Analog output
Output signal
0 ... 10 V / 4 ... 20 mA / RS-485
Signal connection
3-wire
Load resistance
Voltage output : ≧100 KΩ
Current output : ＜250 ΩWarm-up time
< 2 min., stable time 20 mins.
Digital output
Output signal
RS-485
Protocol
Protocol
Interface
Modbus RTU
Address
1 ... 247
Baud rate
9600, 19200, 38400, 57600, 115200
Environment
Medium
Air
Operating Temp.
0 ... 50°C
Operating Humidity
0 ... 85%RH
Storage Temp.
-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 : 230 mA
Electrical connection
Terminal block
Response time
CO₂
t90 < 2 min.
Installation
Installation
Wall mount
Protection
IP rating
IP20
Electrical protection
■ Reverse polarity ■ Short-circuit
Certification
Certification
CE
Material
Housing
PC(PC-110)(UL94V-2)
Weight
115 g (Display)
Note : Design and specifications are subject to change without notice.
Note : If the product has RS-485 function, to avoid damaging product, please make sure the product and the device which connect with RS-485 are on common ground.