Products IN-STOCK ready to Ship Next Day for orders placed by 2pm EST. Use Code SENSE for 10% OFF.

WiFi Indoor Air Quality Monitor

WiFi Indoor Air Quality Monitor - CO2 Meter
Precio habitual $699.00

POs or wholesale quantity discounts click here

The WiFi Indoor Air Quality Monitor lets you simply and easily monitor and control indoor air quality. Use it to visually monitor air quality with its easy-to-read light ring which indicates the measuring range of CO2 concentration. The WiFi Indoor Air Quality Monitor is the perfect solution for intelligent buildings, intelligent house systems and air quality data collection systems.


  • Real-time CO2, Temp, %RH, PM2.5, PM10 and VOC levels
  • Gain instant indication by 3-color light ring dependent upon air quality
  • Uses WiFi or RS485 to configure or read Data (depending on model)


This device will NOT meet requirements for CO2 safety monitoring which requires a Fixed/Wall mounted, hard-wired alarm per the NBIC, NFPA, or IFC regulations. Refer to our CO2 Safety Products page for devices that meet your needs.

Call us at (877) 678-4259 toll-free or email us to speak with our technical sales team about purchasing the correct device.


RS485 Output
  • TON-0018C - TVOC - 18~24VDC 
  • TON-0018D - TVOC - 100~240VAC
  • TON-0016C - 8~24VDC 
  • TON-0016D - 100~240VAC 
WiFi Output
  • TON-0028C - TVOC - 18~24VDC 
  • TON-0028D - TVOC - 100~240VAC 
  • TON-0023C - 18~24VDC 
  • TON-0023D - 100~240VAC
* All models include PM2.5, PM10, Temp, %RH, CO2


      • Detection Parameters: PM2.5; PM10; CO2; TVOC; air temperature & RH
      • Output: RS485/RTU (Modbus), RJ45 /Ethernet, WIFI @2.4 GHz 802.11b/g/n
      • Operating Conditions: Temperature: -20~60C, Humidity: 0~99%RH
      • Storage Conditions: Temperature -10C~50C Humidity: 0~95%RH (non-condensation)
      • Power Supply: 18~24VDC; or 100~240VAC
      • Dimensions: 130mm(W)x130mm(H)x45mm(T)
      • Housing materials and IP level: PC/ABS fire-proof material / IP20
      • Standard Approval: CE
      • Range: 0 – 5,000 ppm
      • Accuracy: ± 40 ppm ± 3 % of reading
      • Life Expectancy: > 15 years


      • PM2.5: Green/Yellow - <35ug/m^3 - 75ug/m^3
      • CO2 Green: < 600ppm 
      • CO2 Yellow: 600~1000 ppm
      • CO2 Red: > 1000ppm 
      • TVOC Green: < 0.25mg/m3
      • TVOC Yellow: 0.25~0.50mg/m3
      • TVOC Red: > 0.50mg/m3

        Electrical / Mechanical

        • Power Input: TON-0018C, TON-0016C, TON-0028C, TON-0023C: 18~24VDC
        • Power Input: TON-0018D, TON-0016D, TON-0028D, TON-0023D: 100-240VAC
        • Output Relay: <240VAC/24VDC 
        • Output Relay Control: 800ppm to 1500ppm via jumpers
        • Housing: PC/ABS fireproof plastic; protection class: IP30
        • Maintenance Interval: No Maintenance Required
        • Dimensions: 100mm (H) × 80mm (W) × 28mm (D) or 2x4" wire box
        • Standard: CE-Approved


        • Data Sheets

        • Manuals

        • Technical Documents

        • Videos

        • Additional Resources

        • Case Studies

        Customer Reviews

        No reviews yet

        "Easy to install, easy to set up, and easy calibration - just what I was looking for."

        - Phillip Farrar
        Water Plant Superintendent

        Read More Reviews...