Indoor Environment and Leak Sensor


The Elsys EMS Lite is a small but powerful multisensor perfect for monitoring indoor environments. Combining temperature, humidity and leak detection in one compact device. The Elsys EMS Lite is perfect for those hard to reach areas.

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The Elsys EMS Lite is a small but powerful leak sensor perfect for monitoring indoor environments.

Inside the EMS Lite you will find internal sensors for measuring temperature, humidity and leaks. Ideal for Smart Buildings and facility management this leak sensor helps to optimise indoor environments. The device can also raise alerts if/when a water leak occurs.

With a unique compact form factor, this leak sensor is ideal for mounting in hard to reach areas such as just below a dishwasher.

Equipped with NFC, the Elsys EMS Lite leak sensor can be easily configured with an Android phone. Through this functionality, you can change the sample rate, encryption keys, triggers, activation plus much more.


  • Temperature Sensor
  • Humidity Sensor
  • Water Leak Detector
  • NFC for configuration
  • Configurayion over the air
  • Compact form factor, perfect for areas with limited surface area



Weight 10 g excluding battery / 30 g including battery
Dimensions 21.2 x 74.9 x 20.8 mm
Enclosure Plastic, PC/ABS

Operating Conditions:

Temerature 0 to 50°C
Humidity 0 to 85 % RH (non-condensing)

Radio / Wireless:

Wireless Technology LoRaWAN® 1.0.3
Wireless Security LoRaWAN® End-to-End encryption (AES-CTR), Data Integrity Protection (AES-CMAC)
LoRaWAN Device Type Class A/C (configurable) End-device
Supported LoRaWAN® features OTAA, ABP, ADR, Adaptive Channel Setup
Frequency EU868 (Others available on request)
Link Budget 137 dB (SF7) to 151 dB (SF12)
RF Transmit Power 14 dB / 20 dB (Region specific)

Device Power Supply:

Battery Type 1 x 3.6V AA Lithium battery
Expected Battery Life Up to 10 years (Depending on configuration and environment)

Key documents & information

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

Weight 30 g
Dimensions 21.2 × 74.9 × 20.8 mm



Measurements Taken

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Power Source

AA Batteries



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