Yes, it is possible to change the temperature measurement unit type separately both on the Aranet4 device display and in the Aranet4 application. The temperature in both places can be displayed in Celsius or Fahrenheit degrees.
1. The temperature measurement unit visible on the Aranet4 device display can be changed with the help of the dipswitch in the battery compartment:
2. The temperature measurement unit visible in the Aranet4 application can be changed as shown below: