Vision CO2 Monitor

High-quality, easy to use Carbon Dioxide, Temperature & Relative Humidity monitor.

Top Key Features

  • USB Powered – PC/mains adapter
  • Non-dispersive Infra-red (NDIR) CO2 sensor
  • Bold multicoloured indication
  • Desktop or wall mountable
  • UK Manufactured


Vision is a high-quality UK Manufactured CO2 Monitor that advises when further ventilation is required. This ‘plug and play’ solution does not require hard wiring yet has the added benefit of continuous monitoring (updated every 5 seconds) and provides a bold visual indication that is not achievable with battery operated units.

An anti-tamper wall bracket (with cable securing channel) is supplied as standard, so Vision can be used as both a portable or fixed solution. When you connect Vision to a Laptop or PC, the free PC app allows your Vision settings to be fully customised, and readings for the previous 30 days to be viewed.

Key Features

  • USB Powered – PC/mains adapter
  • Non-dispersive Infra-red (NDIR) CO2 sensor
  • Bold multicoloured indication
  • Desktop or wall mountable
  • Anti-tamper wall bracket supplied as standard
  • Typical 10+ year life expectancy
  • Configurable through free Windows app

Please note this is an external link


Vision Monitor Display Blue

Up to 600ppm (*custom)

Vision Monitor Display Green

 601 to 800ppm (*default)

Vision Monitor Display Yellow

 801 - 1000ppm (*default)

Vision Monitor Display Orange

1001 - 1500ppm (*default)

Vision Monitor Display Red

1501 - 2000ppm (*default)

Vision Monitor Display Purple

Over 2000ppm (*custom)

*Green, yellow, amber and red are enabled as default. To enable blue and purple, or to amend any of the activation levels, please download the free Vision Windows app from our website


Height:84 mm
84 mm with bracket
Width:84 mm
88 mm with bracket
Depth:34 mm
40 mm with bracket

What's included:

  • Vision CO2 Monitor
  • Anti-tamper Wall Bracket
  • USB Mains Adapter (White)
  • 2m USB Cable (White)

Free Windows app:

  • Multicoloured setting configuration
  • 30-day historical data can be viewed
  • Temp & RH Readings can be disabled
  • Manual Calibration

Technical Specifications

Power Supply:5VDC - USB Type C
Power Consumption:<500mA
CO2 Range:0 - 10,000ppm
CO2 Accuracy:±40 ppm +3% @ NTP
CO2 Display Resolution:1ppm
CO2 Sensing Method:Non Dispersive Infra-red (NDIR)
CO2 Sensor Life:10 Years
Temp Range:0 - 40°C
Temp Accuracy:±0.3°C @ 25°C
Temp Display Resolution:0.1°C
RH Range:0 - 95% (NC)
RH Accuracy:±2% @ 20 - 80%
RH Display Resolution:0.1%
Operation Conditions:
Temp 0-40°C
Humidity 0-95% (NC)
Sampling Method:Diffusion
Housing Material:Flame Retardant ABS
IP Rating:IP40
Colour:White (RAL9010)
Approval:CE, UKCA

Part Numbers & Options / Accessories



Vision CO2 Monitor

Printable Guidance

How to use your Vision CO2 Monitor


Information on your Vision CO2 Monitor


How to setup and use your Vision CO2 Monitor

Free Windows App

Configure your Vision CO2 Monitor

Vision CO2 Monitor

The importance of CO2 Monitoring in classrooms and offices