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IAQ Max CO2 Monitor & Data Logger

IAQ-MAX Indoor Air Quality Monitor
Regular price $129.00 USD

POs or wholesale quantity discounts click here

The IAQ Max is a sleek, modern indoor air quality monitor that displays carbon dioxide (CO2), temperature, % relative humidity, and barometric pressure levels in your home, classroom or office.

Use it to understand how indoor air quality impacts the overall health and well-being of your family, students, or office workers.

The large LCD display uses a 3-color indicator (green/yellow/red) to show CO2 levels.  Air quality history can be downloaded and graphed using our free GasLab® software.


  • Accurate, easy to read CO2, temperature, relative humidity, and barometric pressure in a glance
  • Display shows Green/Yellow/Red for Good/OK/Poor CO2 levels
  • NDIR CO2 sensor for fast, accurate and precise readings
  • Built-in memory for data logging with free software
  • Retains logged data for the last 30 days
  • USB powered
  • Rechargeable backup battery
  • Automatic calibration in fresh air

About CO2 Storage Safety Codes

The IAQ Max does not meet the requirements for a commercial CO2 safety monitor. Only these products meet NBIC, NFPA and IFC regulations.


  • CO2 Measurement: non-dispersive infrared (NDIR)
  • CO2 Measurement Range: 400-5,000ppm
  • Accuracy: ± 50ppm ± 5% reading value
  • Warm-Up Time: 1 sec
  • Response Time: T90 < 120s
  • Temperature Range: -10°C to 50°C (+14° to +122°F)
  • Working Humidity: 0 ~ 90% RH (No condensation)
  • Display: Date, Clock, Battery, CO2, Temp, %RH, Baro
  • Power Supply: USB Cable
  • Working voltage: 4.5 ~ 5.5 V DC
  • Lifespan: > 5 years
  • Dimensions: 5.75 (l) x 3.0 (w) x 5.5 (h)


  • IAQ Max CO2 Desktop Monitor/Data Logger
  • USB Cable
  • Rechargeable Lithium Ion Batteries (3 hour backup only)
  • User's Manual


  • 1 year - See GasLab Terms and Conditions


IAQ Max Indoor Air Quality Monitor and Data Logger Datasheet Data Sheet (pdf)

IAQ Max Indoor Air Quality Monitor and Data Logger Manual Manual (pdf)

IAQ Max Calibration Procedure Calibration Procedure (pdf)

IAQ Max GasLab Interface Data Logging Manual Saving Logged Data Instructions (pdf)

IAQ Max Frequently Asked Questions Frequently Asked Questions (pdf)

Free Easy-to-use GasLab® Software

This device uses GasLab® software for analyzing the 30 day data log file automatically stored by the IAQ Max. GasLab® makes it easy to see the graph or to export data into  a text or spreadsheet file that can be imported into any industry-standard software or spreadsheet. GasLab® runs on Windows XP or higher, and free to use with our products.

Download Latest Software Here

System Requirements

  • Windows XP SP2 or newer
  • Microsoft .Net 3.5 Runtime Libraries

Customer Reviews

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"Swift response and shipment. The product is easy to setup and use. It is just what I was looking for."

- Shima Tomohiro

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