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CO2-R1 LCD Carbon Dioxide Detector

CO2-R1 LCD Carbon Dioxide Detector
• Standard American gauge.
• Stability and accurate output provided by NDIR sensing.
• Provide relay contact and analog voltage linear output.
• Outfit RS-485 port operated by the MODBUS RTU open protocol.
• Optional speed output can control frequency conversion AHU or ERV.
• Suitable for clean room/library/manufacturing/smart building and other applications.




Dimensions：（L x W x H mm）
• CO2-R1 Main body：120 x 72 x 20

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CO2-R1 Catalog Download


Technical Specifications

Input power DC 12V  ( Supplied by external power supply )
Gas measurement Carbon dioxide (CO2)
Display type LCD display screen
Measurement method NDIR
Installing dimension American gauge Straight／horizontal
Measuring range 0~2000 ppm (Original) / 0~5000 ppm (Max)
Measuring accuracy ±50 ppm + 3% measured value (Can be calibrated)
Sensor Output PWM / DAC / UART
Sampling time Once a second
Relay contact output SPST   10A / 220VAC
Differential value/delay time 0~(50)~150 ppm / 0~(60)~600 seconds adjustable 
Analog Outpu 0(2)~10VDC ; 0(4)~20mA 
Analog Output type Carbon dioxide concentration or rotating speed signal
Protocol type RS485 Serial communication （Max. 1200m）
Connected devices Max. 31
Environment Temperature：0 ~ 50 °C；Humidity：0~90%(non condensing)
Sensor lifetime More than 5 years (No improper use or environmental factors)

ATC TECH. CO., LTD.

  • No. 422, Heping 2nd Rd., Lingya Dist., Kaohsiung City 80263 , Taiwan (R.O.C.)
  • +886 07-725-5251
  • +886 07-716-2671
  • [email protected]

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