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
● 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
Applications
Monitoring the air quality in indoor environments / HVAC / Air conditioning / Museums / Supermarkets / Data centers / Warehouses
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 |
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) |
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Note : Design and specifications are subject to change without notice.
Note : Please make sure the product and the device which connect with RS-485 are on common ground, avoid damaged product.