● CO & HCHO : electrochemistry;Temp.& Humidity : CMOS;VOC : MEMS metal oxide sensor
● temp.:0 ... 50°C;humidity:0 ... 100%;CO:0 ... 500ppm;HCHO:0 ... 5ppm;VOC:0 ... 10ppm
● 0 ... 1V/0 ... 5V/0 ... 0V/1 ... V/0 ... 20mA/4 ... 20mA
● 8 ... 35VDC/12 ... 30VAC
● Remote monitor by RS-485 (Modbus RTU).
● With exposed sensor to raise sensitivity of CO.

Measuring range
CO:0 ... 500 ppm
Temp.:0 ... 50 °C
Humidity:0 ... 100%
HCHO:0 ... 5 ppm
VOC:0 ... 10 ppm

Linear Accuracy(at +23℃;V=24VDC)
CO:±3% of f.s.(best zero)
Temp.:±0.3 °C
Humidity:±3% of f.s.
HCHO:±5% of f.s
VOC:±5% of f.s

Output
Analogue output:0 ... 1V/0 ... 5V/0 ... 10V/1 ... 5V/0 ... 20mA/4 ... 20mA
ModBus:RS-485(programmable)

Signal connection
3-wire

Power supply
8 ... 35VDC/12 ... 30VAC

Protection rating
housing:IP54
probe:IP 20

Option list download