RS485 3in1 CO2 Sensor Module CO2 Transmitter Carbon Dioxide Detector Gas Sensor Module CO2 485 Protocol with Temperature and Humidity Display

Specification:

 

DC power supply: 10-30VDC

Maximum power consumption: 0.4W 

Humidity 0% RH1 ~ 100% RH

Temperature: -40-80C

Measuring range:

CO2 concentration: 0-5000ppm

Accuracy: + - (40ppm + 3% F.S) 25C

Operating Temperature: -20C-60C, 0% RH-80% RH

Long-term stability: <= 30PPM / Y

CO2 Response time: <= 10S

Temperature Response time <= 18S

humidity  Response time <= 6S

System Warm-up time: 2min (available) (maximum precision 10MIN)

output signal: 485

Output signal RS485 (MODBUS protocol) Read function Contact code 03.

Device address 1 ~ 255 can be set, the default is 1

Device baud rate 2400.4800 .9600 optional, the default 4800

Byte format 8-bit data bits, 1 stop bit, no parity

 

Package includes:

 

1 x 3 in1 CO2 sensor module 

 

Details  Pictures: