Aranet4 monitor is an innovative wireless device for effortless monitoring of indoor air quality –
CO
²
, relative humidity, temperature and atmospheric pressure*. The device is suitable for
monitoring the CO
²
level at home, in school, office, or any other indoor environment.
Measurement data is displayed on a power-efficient e-ink screen with a long battery life.
Additionally, the device provides visual and optional buzzer notifications when the CO
²
concentration becomes unhealthy. CO
²
concentration levels of 1400 ppm (parts per
million) and up are unhealthy and can cause drowsiness and decrease cognitive function by
50 %. A high concentration of CO
²
is an indicator of insufficient ventilation, which can increase
the risk of infection with airborne diseases.
Download the Aranet4 app and connect via Bluetooth with up to six devices. The app allows
you to configure the Aranet4 device and access the data monitored by the device. Read a
detailed description of all the possibilities that the app offers in the chapter “How to pair
Aranet4 to my smart device using the Aranet4 app” on page 5.
Additionally, up to 100 Aranet4 PRO devices can be connected to the Aranet PRO base station.
Refer to the chapter “Using Aranet4 device with the Aranet PRO base station” on page 6.
There are two Aranet4 models – Aranet4 HOME and Aranet4 PRO. You can find out more
about how they differ in this informative leaflet.
Measurement and data transmission** intervals are 1,2,5, or 10 minutes.
The default measurement interval is set to 5 minutes.
Aranet4 uses the nondispersive infrared (NDIR) sensor to measure the CO
²
concentration. The
CO
²
gas in the chamber absorbs infrared light; this absorption is measured by the sensor. The
less light passes through, the higher the CO
²
concentration. CO
²
absorbs only a specific
wavelength of light, therefore an optical filter is used.
*
Atmospheric pressure data measurements are available only on the Aranet4 app.
More information is in the chapter “How to pair the Aranet4 to my smart device using the Aranet4 app” on page 5.
** For Aranet4 PRO paired to Aranet PRO base station.
About the Aranet4 monitor
Good
(Green)
Average
(Yellow)
Un healthy
(Red)
1
Gas in Gas out
DetectorIR lamp
Optical filter
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