Air Quality Testers

  1. RotoMedical AM60 CO2 Meter
    Rototherm logo
    Only 1 In Stock
    RotoMedical AM60 CO2 Meter
    (no reviews)
    £84.00 £70.00
    • Measure carbon dioxide, temperature, and humidity
    • Adjustable alarm with audible and visual alerts
    • Built-in data logger: record data at minute, hourly, daily, or weekly intervals
    70 Reward Points
    Price Match Guarantee
    AM60
  2. ABUS AirSecure CO2 Detector
    ABUS logo
    Only 1 In Stock
    ABUS AirSecure CO2 Detector
    (no reviews)
    £109.14 £90.95
    • Monitor indoor CO2, air temperature, and humidity
    • NDIR CO2 sensor has a service life of 10 years
    • Audible alert, LED indicator, and OLED display
    90 Reward Points
    Price Match Guarantee
    CO2WM110
  3. Extech CO220 Desktop Indoor Air Quality CO2 Monitor
    Extech logo
    2 In Stock
    Extech CO220 Desktop Indoor Air Quality CO2 Monitor
    (2)
    £154.70 £128.92
    • Measures CO2, relative humidity and air temperature
    • Desktop-based: just place down and start measuring!
    • High quality Extech product with a range of advanced functions
    128 Reward Points
    Price Match Guarantee
    CO220
  4. Wöhler CDL 210 CO2 Meter & Data Logger
    Wöhler logo
    In Stock
    Wöhler CDL 210 CO2 Meter & Data Logger
    (1)
    £159.48 £132.90
    • Measure CO2 concentration, air temperature and air humidity
    • Audible and visual ventilation remiders
    • Real infrared CO2 measurement (NDIR) up to 9999 ppm
    132 Reward Points
    Price Match Guarantee
    CDL210
  5. Extech VFM200 VOC & Formaldehyde Meter
    Extech logo
    Extech VFM200 VOC & Formaldehyde Meter
    (no reviews)
    £206.40 £172.00
    • Selectable measurement units: ppm and mg/m³
    • Indicates TVOC and HCHO concentrations simultaneously and in real-time
    • Adjustable alarms with visual and audible alerts
    172 Reward Points
    Price Match Guarantee
    VFM200
  6. FilesThruTheAir EL-WEM WiFi Indoor Air Quality Monitor
    Files Thru the Air logo
    Lead Time: 1-6 Days
    FilesThruTheAir EL-WEM WiFi Indoor Air Quality Monitor
    (no reviews)
    £227.99 £189.99
    • Monitors and logs temperature, humidity, pressure, VOC, and particle matter
    • A coloured status ring indicates the air quality using a traffic light system
    • Logs data to the EasyLog Cloud
    189 Reward Points
    Price Match Guarantee
    EL-WEM
  7. Extech CO240 Indoor Air Quality Meter
    Extech logo
    Only 1 In Stock
    Extech CO240 Indoor Air Quality Meter
    (no reviews)
    £237.60 £198.00
    • Measures CO2 concentrations, air temperature and air humidity
    • Calculates dew point and wet bulb
    • Logs data to a PC in real-time
    198 Reward Points
    Price Match Guarantee
    CO240
  8. Extech CO210 Desktop Indoor Air Quality CO2 Monitor/Datalogger
    Extech logo
    Extech CO210 Desktop Indoor Air Quality CO2 Monitor/Datalogger
    (1)
    £238.80 £199.00
    • Measure for harmful levels of CO2 in the air
    • Measures temperature in both Celsius and Fahrenheit
    • Also measures humidity of the environment
    199 Reward Points
    Price Match Guarantee
    CO210
  9. Extech CO100 Desktop Indoor Air Quality CO2 Monitor
    Extech logo
    Extech CO100 Desktop Indoor Air Quality CO2 Monitor
    (2)
    £250.80 £209.00
    • Large, backlit LCD screen
    • Measures temperature, CO2 and humidity
    • User programmable visible and audible alarm
    209 Reward Points
    Price Match Guarantee
    CO100
  10. FLIR EM54 HVAC/R Environmental Meter
    FLIR logo
    Lead Time: 1-2 Weeks
    FLIR EM54 HVAC/R Environmental Meter
    (no reviews)
    £298.80 £249.00
    • Inspect and troubleshoot HVAC/R ducting systems
    • Humidity, Wet Bulb and Dew Point functions
    • Type-K contact temperature probe for measuring operating temperatures
    249 Reward Points
    Price Match Guarantee
    EM54
  11. Testo 440 Air Velocity and IAQ Tester
    Testo logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Testo 440 Air Velocity and IAQ Tester
    (no reviews)
    £310.80 £259.00
    • Use with a variety of Testo probes to measure and array of air quality parameters
    • Bluetooth probes facilitate cable-less measurements
    • Maximise uptime: only probes need to be sent for calibration
    259 Reward Points
    Price Match Guarantee
    05604401
  12. Testo 440dP Air Velocity and IAQ Tester
    Testo logo
    Only 1 In Stock
    Free UK Delivery
    Testo 440dP Air Velocity and IAQ Tester
    (no reviews)
    £406.98 £339.15
    • Includes a differential pressure sensor for pilot tube and K-factor measurements
    • Monitor fans and filters and test ducts, air/ceiling outlets, fume cupboards, air conditioning and ventilation systems
    • Up to three probes can be connected simultaneously
    339 Reward Points
    Price Match Guarantee
    05604402
  13. Chauvin Arnoux CA 1510 Indoor Air Quality Tester
    Chauvin Arnoux logo
    1 Option in Stock
    Free UK Delivery
    Chauvin Arnoux CA 1510 Indoor Air Quality Tester
    (no reviews)
    £414.00 £345.00
    • Data logger: records up to 1 million measurements
    • Measures CO2, air temperature and air humidity
    • Indicates the level of comfort based on selected parameters
    345 Reward Points
    Price Match Guarantee
    CA1510
  14. Testo 440 Humidity Kit with Bluetooth
    Testo logo
    Lead Time: 1-6 Days
    Free UK Delivery
    Testo 440 Humidity Kit with Bluetooth
    (no reviews)
    £444.72 £370.60
    • Conduct air velocity, IAQ, temperature and humidity measurements
    • Calculate dew point, wet bulb temperature, absolute humidity, and heating and cooling outputs
    • Measure storage and refrigeration rooms, workrooms, and refrigeration systems and heat pumps
    370 Reward Points
    Price Match Guarantee
    05634404
  15. Testo 440 Hot Wire Kit
    Testo logo
    Only 1 In Stock
    Free UK Delivery
    Testo 440 Hot Wire Kit
    (no reviews)
    £498.78 £415.65
    • Optimised for measuring ventilation ducts of various sizes
    • Automatically recognises the hot wire probe and adjusts parameters accordingly
    • Capable of measuring air velocity, volume flow and air temperature in parallel
    415 Reward Points
    Price Match Guarantee
    05634400
  16. Testo 440 Ø16mm Vane Kit
    Testo logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Testo 440 Ø16mm Vane Kit
    (no reviews)
    £539.58 £449.65
    • Measure the air velocity and volume flow of ducts
    • Vane Probe range: +0.6 to +50 m/s
    • Automatically recognises the vane probe and adjusts parameters accordingly
    449 Reward Points
    Price Match Guarantee
    05634401
  17. Extech CO260 IAQ & CO & CO2 Datalogging Meter
    Extech logo
    Lead Time: 2-3 Weeks
    Free UK Delivery
    Extech CO260 IAQ & CO & CO2 Datalogging Meter
    (no reviews)
    £562.80 £469.00
    • Measure CO, CO2, air temperature and relative humidity
    • Calculates dew point and wet bulb temperatures
    • Supports continuous datalogging of up to 32 000 readings
    469 Reward Points
    Price Match Guarantee
    CO260
  18. Testo 440 Lux Kit
    Testo logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Testo 440 Lux Kit
    (no reviews)
    £590.58 £492.15
    • Measure the illuminance levels in offices, production areas, hospitals, museums and schools
    • Can be combined with various probes to measure environmental parameters such as air temperature and humidity
    • Automatically recognises connected probes and adjusts parameters accordingly
    492 Reward Points
    Price Match Guarantee
    05634402
  19. Testo 440 Ø100mm Vane Kit with Bluetooth
    Testo logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Testo 440 Ø100mm Vane Kit with Bluetooth
    (no reviews)
    £702.78 £585.65
    • Optimised for measuring volume flow at ducts and air/ ceiling outlets
    • Save up to 7500 measurement protocols
    • Perform cable-less measurements using the Testo Ø100mm Bluetooth Vane Smart Probe
    585 Reward Points
    Price Match Guarantee
    05634403
  20. Extech EA80 EasyView Indoor Air Quality Meter/Datalogger
    Extech logo
    Free UK Delivery
    Extech EA80 EasyView Indoor Air Quality Meter/Datalogger
    (no reviews)
    £718.80 £599.00
    • Checks for carbon dioxide (CO2) concentrations
    • Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor
    • Also measures temperature and relative humidity
    599 Reward Points
    Price Match Guarantee
    EA80
  21. Kane AQA Indoor Air Quality Analyser – Choice of Gas Sensors
    Kane logo
    Free UK Delivery
    Kane AQA Indoor Air Quality Analyser – Choice of Gas Sensors
    (no reviews)
    £738.00 £615.00
    • Four versions available: one gas, two gas, three gas, and four gas
    • Can be fitted with the gas sensor/s of your choice
    • Test domestic & commercial boilers, heat pumps, flueless gas appliances, & space/water heaters
    615 Reward Points
    Price Match Guarantee
    KANE-AQAX
  22. Testo 440 CO₂ Kit with Bluetooth
    Testo logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Testo 440 CO₂ Kit with Bluetooth
    (no reviews)
    £753.78 £628.15
    • Measure CO₂ concentration, temperature and humidity in parallel
    • Calculate wet bulb temperature, dew point, and absolute humidity
    • Monitor indoor environments such as offices, production areas, and storage facilities
    628 Reward Points
    Price Match Guarantee
    05634405
  23. Testo 440 Air Flow ComboKit 1 with Bluetooth
    Testo logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Testo 440 Air Flow ComboKit 1 with Bluetooth
    (no reviews)
    £916.80 £764.00
    • Measure the volume flow, air velocity, humidity and temperature of ventilation ducts/ outlets and air/ ceiling outlets
    • Includes a wired Hot Wire Probe and a Bluetooth Ø100mm Vane Probe
    • Connect up to three probes simultaneously
    764 Reward Points
    Price Match Guarantee
    0563 4406
  24. Testo 440 Air Flow ComboKit 2 with Bluetooth
    Testo logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Testo 440 Air Flow ComboKit 2 with Bluetooth
    (no reviews)
    £978.18 £815.15
    • Measure the volume flow, air velocity, humidity and temperature of ventilation ducts/ outlets, ceiling and plate outlets
    • Includes a Ø16mm Wired Vane Probe and Ø100mm Bluetooth Vane Probe
    • Connect up to three probes simultaneously
    815 Reward Points
    Price Match Guarantee
    05634407

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About Air Quality Testers

It's easy to simply forget about air quality. After all, the air we breathe is invisible and is often just accepted as part of our daily lives, but many factors can have an effect on the air quality of an environment, and these in turn may produce conditions that are uncomfortable for humans to comfortably reside/work in.

Air quality testers are designed to evaluate that the environment around the tester is well-ventilated, that is at a comfortable temperature, that there aren't any excess gasses in the air and that excessive moisture levels aren't detected. Whenever any of these parameters are outside what is considered the norm this can ultimately result in decreased efficiency amongst people in that environment - if the area isn't comfortable, for example too hot, it simply isn't as good for productivity.

Indoor air quality is linked regularly together with sick building syndrome, or SBS. Poorly installed air conditioning, ventilation, heating, or other HVAC installations contribute towards making an environment that is uncomfortable for people to work in, leading to the building being designated as 'sick' due to the effects it is having upon those within it. Effects of a poorly installed system can vary greatly depending on what is causing the problem, but common complaints of sick building syndrome include uncomfortable temperatures, irritation of the eyes, nose, and throat, general health problems, skin irritation, and various other effects.

This is exactly why assessing indoor air quality (IAQ) is extremely important for building surveyors and absolutely anyone who wants to ensure that air quality is at the levels it needs to be to make the environment as comfortable as possible.

Air quality assessments are used to observe many different aspects of a building. One of the most commonly evaluated is ventilation - if this is incorrectly installed, the air circulating the building will be of poor quality, and those breathing it will be more prone to health conditions because of it. Ventilation also ties in with temperature - if hot air is allowed to constantly circulate in a building with no means of ventilating it away from the building it'll create a very hot, very humid environment. Ventilation is also worth considering if you have designated smoking areas - there's a chance that that smoke could get into the building, thus reducing the overall indoor air quality of that particular environment.

The overall air quality index of a building is also affected greatly by chemical contaminants from both indoor and outdoor materials. This doesn't just refer to actual liquid-based chemicals either - many different materials including adhesives, carpet, upholstery and even cleaning agents can release airborne particles that make the air take a dip in overall quality. Some contaminants can potentially get into a building's air from outside - these include fumes rising from exhaust and chimneys, and both indoor and outdoor chemical contaminants can cause build-ups in dangerous gas levels, leading to an abundance of CO (carbon monoxide) or CO2 (carbon dioxide) if left unchecked.

Actual biological contaminants in an environment can cause problems within a building as well. Left unchecked these can cause any number of health problems and build-ups of biological contaminants can come from everything from humans themselves to build-ups of bacteria forming inside poorly treated ventilation. Once it's present a biological agent can easily circuit around the entire building through the ventilation, potentially infecting humans there to breathe it in.

Many of our indoor air quality meters are manufactured by Testo, a leading producer of many different types of test equipment. Devices such as the Testo 435 are designed purely with evaluating air quality in mind and can be used with multiple probe types to evaluate lighting conditions, air quality, temperature, and a whole lot more.

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