Temperature and humidity monitoring for substations and buildings

Lightweight battery powered LoRa or Sigfox remote monitoring device with additional digital inputs


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Product description

The Adeunis ARF8275A temperature and humidity sensor is ideal for monitoring indoor atmosphere and optimizing energy consumption. This LoRaWAN or Sigfox connected device is rated IP20 for indoor usage, has an integrated antenna and Lithium battery. The device will function for up to 10 years on its battery, depending on the measurement interval. You can use this LoRa node in the KPN network, in TTN or in a private LoRa network or connect it through Sigfox



  • Plug-and-play
  • LoRaWAN compatible: Class A
  • Sigfox compatible
  • Data send interval configurable
  • Operating temperature: -20 ° C to + 60 ° C
  • Has a digital input for potential-free contact and an alert button
  • Battery life 10 years depending on cycle time
  • 3,6V Lithium battery included

Software functionality

This device is fully integrated with the Withthegrid platform. Upon installation data will be sent through the LoRaWAN or Sigfox protocol and immediately visualized in the platform. From the platform the device can be managed easily, for example measurement interval can be set, issue triggers can be configured and automatic email notifications are available for users.

Device specification

Brand Adeunis
Version ARF8275A
Communication LoRaWAN class A or Sigfox 
Operating frequency 868 MHz
Power 1 x 3.6 V AA Lithium battery
Temperature sensor -20 to +60 ° C
Relative humidity sensor 10 to 90% RH
LoRaWAN network protocol V1.0.2
Dimensions 111 x 61 x 40 mm
Weight 102 grams