SAF Aranet4 Wireless Indoor Air Quality Monitor (CO2, Temperature, Humidity and More)
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SAF Aranet4 Wireless Indoor Air Quality Monitor (CO2, Temperature, Humidity and More)

£166.33

Buy Now for £166.33

The perfect companion for indoor use, allows you to monitor CO2 content, temperature, relative humidity and air pressure in real time

Easy for everyone to use – the colour coding and the optional buzzer warns you when the CO2 concentration becomes too high

The energy-efficient E-Ink display ensures a particularly long battery life of the radio

Smartphone app for viewing and analyzing historical data up to 90 days history

Uses non-dispersive infrared sensor technology (NDIR) for the most accurate and reliable CO2 readings

4​​​​ people have looked at this item today (2,581​​ in total since we listed the item on the 29th February 2024 ​

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Best prices we can find right now
Best prices we can find right now
£166.33 at Amazon.co.uk £179.56 at eBay
Amazon price updated: 30th August 2025 4:59 pm

The Aranet4 HOME sensor is easy to use battery powered CO2 level monitoring device for indoor use.

Meter additionally measures temperature, humidity and atmospheric pressure. It's equipped with two types of indicators to warn about the state of the air quality.

Visual CO2 indicator represents the level of the CO2 concentration in the room

Sound indicator alarms if the CO2 concentration becomes too high

Small form-factor makes Aranet4 very portable. Take it with you and be aware of the indoor air quality around you!

CO2 Reading Levels

Green represents a normal level (below 1000 ppm)

Yellow represents an average level (1000 to 1400 ppm)

Red represents high level (above 1400 ppm)

Product Key Features

Tracks CO2, temperature, relative humidity and the atmospheric pressure

Manufactured in the EU

Precise data measurements ensured by the use of the best quality components

Power efficient gadget with up to 4 years long battery life

Ultra-portable form factor and very simple to use

Aranet4 app helps to follow historical air quality data and adjust device settings

Uses the nondispersive infrared (NDIR) sensor to measure CO2

Technical Specification

Measurements of CO2 (carbon dioxide), temperature, relative humidity, atmospheric pressure

For indoor use only

Made from polycarbonate

Powered by 2 AA Alkaline batteries (batteries included)

Battery life up to 4 years

Data transmission after 1, 2, 5, 10 minutes

Data encryption

Weights 104g (3.7oz)

Dimensions 70x70x24 mm/2.76×2.76×0.94 inches

Operating humidity 0% to 85% non-condensing

Operating temperature 0C to 50C (32F to 122F)

Last Updated on 30th August 2025 : Originally published on 29th February 2024

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Manufacturer Part Number ‎TDSPC0H3.002

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Highest Price
£169.00 Amazon.co.uk
31st March 2025
Lowest Price
£135.20 Amazon.co.uk
7th July 2025
Current Price
£166.33 Amazon.co.uk
30th August 2025
Since 10th March 2025

  • All prices mentioned above are in British pound.
  • This product is available at Amazon.co.uk.
  • At amazon.co.uk you can purchase SAF Aranet4 Home: Wireless Indoor Air Quality Monitor for only £166.33
  • The lowest price of SAF Aranet4 Home: Wireless Indoor Air Quality Monitor was obtained on 30th August 2025 4:59 pm.

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Last Updated on 30th August 2025 : Originally published on 29th February 2024