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  • Product name: CO2 temperature and humidity transmitter, RS485 output
  • Product profile: Collecting CO2 and temperature and humidity in the environment, output in RS485 mode.
  • Product number: D708
  • Shelf time: 2020-10-08
  • Product grade: Commercial grade
  • Output signal: Digital signal
  • Detection type:
  • Environmental Quality: Gas detection Temperature and humidity Multi-in-one
  • Views : 237

Product parameters: DC 12-24V

Working environment: 0 -70 , 0% RH-95% RH

Length: Default 1M, need to lengthen, please contact customer service

Storage environment: -25 ~ 60

Maximum power consumption: 1500mW

Acquisition cycle: 0.5 ~ 30 minutes, remote management platform settings

Communication Interface: RS485

Communication protocol: MODBUA-RTU

Communication speed: 2400/4800/9600/38400/115200 (default 9600bps)

Transmission distance: 1000 meters (RS485 communication cable)

Communication: As a MODBUS slave, the main master polling method from the corresponding master request, the data upload

Installation: wall-mounted




Measuring range



measurement accuracy



Carbon dioxide CO2

Measurement methods:


Range optional:



± 50ppm + 5% Maximum reading (25 )


2% of the maximum reading


1% maximum reading

Temperature drift:

± 0.2% of the maximum reading value /

Pressure effects:

0.13% of reading impact per mmHg

Response time

2min to achieve the change of 90%

Signal refresh time:


System warm-up time:

2min (can operate)

10min (maximum precision)

  Working environment  
  Working voltage
  Working current
  Working temperature
  Working humidity
  Storage temperature
  Storage humidity
  Basic parameters  
  Detection of substances
  Detection range
  Output signal
  Response time
  Reply time
  Gas detection  
  Measuring gas
  Measuring range
  Measurement accuracy
  Clean the voltage in the air
  Warm up time
  Dust detection  
  Measuring range
  Measurement accuracy
  Particle diameter resolution
  Serial data output frequency
  Temperature and humidity  
  Temperature detection range
  Temperature measurement accuracy
  Temperature output mode
  Humidity detection range
  Humidity measurement accuracy
  Humidity output mode
  UV detection  
  Response wavelength
  Peak wavelength range
  Light intensity detection  
  Measuring range
  Measurement accuracy
  Installation method
  Product Size
  Product weight

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