Elsys ERS Lite Temperature & Humidity Sensor

The Elsys ERS Lite sensor collects indoor temperature and humidity readings to give accurate measurements and monitor any changes in the environment.

LoRaWAN indoor temperature and humidity sensors are the ideal solution for monitoring inside properties whether occupied or vacant. These discreet, lightweight sensors take up very little space and are easily installed without the need for a specialist engineer, allowing both a cost effective and time sensitive deployment. Perfect for smart building projects and pilot schemes.

Elsys ERS Lite temperature humidity sensor

The ERS Lite sensor sends the alert messages to a centralised monitoring system via the LoRaWAN protocol at pre-programmed intervals.


  • LoRaWAN Certified
  • Temperature sensor
  • Humidity sensor
  • NFC for configuration
  • Configuration over the air
  • Long lasting battery life of up to 10 years
  • Powered by 1 x 1.5V AA 3.6V Lithium batteries
  • Simple set up and installation
  • Data is encrypted and secure

Alliot can supply third-party online wireless sensor monitoring and notification system to view data and set alerts via SMS text and email.

Ask us about our zero-touch provisioning service, this sensor can be supplied pre-configured and ready to go.



Input Power 1 x 3.6V AA size battery
Expected Battery Life Up to 10 years depending on configuration


Dimensions 86 x 86 x 27 mm
Weight 60 g excluding battery / 80 g including battery
Enclosure Plastic PC/ABS
Operating Humidity <85%RH
Operating Temperature 0 to 50 °C

Key documents & information

Ordering information

Partcode: ERSLITE
RRP: £58.37+VAT

Discounted Trade Pricing: Contact us for trade pricing, to place an order or to discuss your IoT projects.

All of our products are available to customers throughout Europe. For more information on volume and trade pricing, shipping rates and lead times, please contact our technical sales team.

Our technical sales team are also happy to advise customers on the best LoRaWAN indoor temperature and humidity sensors to suit their specific use cases.