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 Ω
|
Warm-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)
|
Taiwan
