Home > Products > Indoor / Outdoor Air Quality Monitor > Air Quality Transmitter / Controller > Tongdy TGP-CO2-B30C CO2 Temperature Humidity Transmitter with LCD display
Tongdy TGP-CO2-B30C CO2 Temperature Humidity Transmitter with LCD display
  • NULL
  • NULL

Tongdy TGP-CO2-B30C CO2 Temperature Humidity Transmitter with LCD display

Rating: 0 out of 100 - based on 0 review(s) | Write Review | Add to Compare
Item details

Stock: Backorder in 2 to 4 weeks

Brand: Tongdy
  Share This   Add To Facebook


3-in-1 Carbon Dioxide, Temperature & Humidity
Transmitter with LCD & RS485 Modbus

(Model No.: TGP-CO2-B30C-001-TH-02)

The CO2, Temperature and RH Detection and Transmission.

  • Real time carbon dioxide detection and transmitting
  • High accuracy Temperature and humidity detection
  • NDIR infrared CO2 sensor with patened self calibration
  • LCD dsplay of all measurement
  • Modbus communcation
  • CE-aproval

Product Features

  • Designed for real-time monitoring of environmental CO2 concentrations and temperature and humidity
  • Built in NDIR infrared CO2 sensor. Self checking function
  • Make CO2 monitoring more accurate and reliable
  • The CO2 module exceeds the 10year life
  • High precision temperature and humidity monitoring, optional transmission
  • The use of digital temperature and humidity sensors, the perfect realization of temperature
  • Compensation function of humidity to CO2 measurement
  • Three color backlit LCD provides intuitive warning function
  • A wide variety of wall mounting dimensions are available for easy use
  • Provide Modbus RS485 communication interface
  • 24VAC/VDC power supply
  • EU standard, CE certification


This CO2 transmitter is used for real time detection ambiance CO2, tempertature and humidity.

  • Building ventilation systems
  • Industry ventilation systems
  • Hotel, exhibition hall, hospital, shop, restaurant, airport, train station, theater, and other public places for air quality measurement and indication.
  • Labs, warehouse, and other places to detect CO2, temperature and humidity
  • Indoor agriculture, green house, indoor garden to detect CO2 levels


  • Carbon Dioxide CO2
    • CO2 Sensor: Non-Dispersive Infrared Detector (NDIR)
    • CO2 Measurement Range: 0 ~ 2,000ppm
    • CO2 Accuracy @22℃ (72℉): ±40ppm + 3% of reading or ±75ppm (whichever is greater)
    • Stability: <2% of full scale over the life of the sensor (15 yrs typical)
    • Pressure dependence: 0.13% of reading per mm Hg
    • Calibration: ABC Logic Self Calibration Algorithm
    • Response Time: <2 minutes for 90% step change typical
    • Signal update: Every 2 seconds
    • Warm-up time: 2 hours (first time) / 2 minutes (operation)
  • Temperature
    • Measuring range: 0℃~50℃ (32~122℉)
    • Accuracy: ±0.4℃ (20℃~40℃)
    • Display resoltuion: 0.1℃
    • Stability: <0.04℃/year
  • Humidity %RH
    • Measuring range: 0~100%RH
    • Accuracy: ±3%RH (20%~80%RH)
    • Display resolution: 0.1%RH
    • Stability: <0.5%RH/year
  • Power Supply: 24VAC/VDC
  • Consumption: 1.8W max; 1.2W avg.
  • Modbus communication: RS485 with Modbus protocol, 19200bps rate, 15K antistatic protection, independent base address
  • Operation conditions: 0℃~50℃ (32~122℉); 0~95%RH, non-condensing
  • Storage conditions: 10℃~50℃ (50~122℉); 20~95%RH, non-condensing
  • Weight: 240g
  • Dimensions: 130mm(H)x85mm(W)x36.5mm(D)
  • Installation: wall mounting with 65mm x 65mm or 2" x 4" wire box
  • Hosuing: PC/ABS firproof plastic material
  • IP class: IP30
  • Standard: CE-Approval


  • Cardon Dioixide Transmitter
  • User Manual