• Bands: AS 923, AU 915, EU 868, IN 865, KR920, RU864, US 915

Elsys ERS CO2 Smart Building Sensor

$214.44 excluding VAT
$257.33 including VAT     Who pays VAT?

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10+ $182.62 ex VAT
100+ $163.25 ex VAT
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Elsys ERS CO₂ Smart Building Sensor

ERS is a sensor for measuring the indoor environment in homes, offices and smart buildings. The discreet sensor is designed to be wall mounted, ERS is completely wireless. Powered by two 3.6V AA lithium batteries (not included), the sensor can run for up to 10 years.

The device features sensors for measuring Carbon Dioxide (CO₂), temperature, humidity, light, and motion. The reporting intervals can be set by a free Android app, or changed via LoRaWAN downlinks.

Don't need the PIR sensor? See the Elsys ERS CO₂ Lite for the low-cost Lite version.

Key Features:

  • LoRaWAN Certified
  • CO₂ sensor, accurate to ±2%
  • Temperature sensor, accurate to ±0.2°C
  • Humidity sensor, accurate to ±2% RH
  • Light sensor, 4-2000 Lux
  • Motion detection sensor (PIR)
  • NFC for configuration
  • Configuration over the air
  • Discrete and minimalistic design


  • Indoor environment measurement
  • Smart buildings
  • Workplace management
  • Room occupancy
24 Items

Data sheet

Indoor or Outdoor
LoRaWAN Band
AS 923
AU 915
EU 868
IN 865
US 915


Elsys ERS Range

Overview of the full range of Elsys ERS devices

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Elsys ERS CO2 Datasheet

Specifications of the Elsys ERS CO2

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Elsys ERS CO2 Manual

User guide for the Elsys ERS CO2

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  • AS 923 AU 915 EU 868 IN 865 KR920 RU864 US 915 Band