




LoRaWAN People Counting & Occupancy
Understand how your spaces are being used to allocate resource in hospitality, staff in commercial, or understand key trends in people movement in retail or education buildings









More than a Distributor | First-class Technical & Product Selection Support | Leading LoRaWAN Integration Expertise & Tools | Huge Range of Devices for BMS Integration or Stand-alone
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Elsys ERS2 Eye LoRaWAN Occupancy Sensor
Elsys ERS2-EYE LoRaWAN Occupancy Sensor with Temp/RH/PIR/LUX/EYE offers remarkably precise room occupancy detection. Using an Infrared grid, it intelligently detects body heat from distances of up to 7 meters.
This analysis allows for highly accurate determination of ongoing occupancy rather than mere movement, making it especially reliable for spaces like meeting rooms or hotel rooms. It also sensors temperature, RHdity and light levles. (No cameras are involved in this process).
Product Description & Topology
Elsys ERS2-EYE Occupancy Sensor with Temp/RH/PIR/LUX/EYE offers remarkably precise room occupancy detection. Using an Infrared grid, it intelligently detects body heat from distances of up to 7 meters. This analysis allows for highly accurate determination of ongoing occupancy rather than mere movement, making it especially reliable for spaces like meeting rooms or hotel rooms. It also sensors temperature, RHdity and light levles. (No cameras are involved in this process.)
ELSYS ERS2-EYE REQUIRES two ER14505 Lithium Battery (not included).
These sensors offer easy setup with multiple mounting options and replaceable batteries, making installation hassle-free without the need for wiring. They are powered by 3.6V AA lithium batteries, providing an estimated lifespan of up to 10 years, depending on factors like sampling frequency, transmission intervals, data rates, power consumption, and environmental conditions. All sensors are built using Semtech’s LoRaWAN stack, ensuring adherence to and certification with the most current LoRaWAN standards.
Features
- LoRaWAN® Certified
- Temperature Sensor
- Humidity Sensor
- Light Sensor
- Motion Detection (PIR) Sensor
- IR Occupancy Sensor
- Panasonic Grid-Eye® infrared sensor
- LoRaWAN® Class A Compatible
- Over The Air Activation (OTAA)
- NFC for configuration
- Configuration over the air
- Compact and discrete
Benefits of LoRaWAN for Smart Building and BMS Integrations:
Strong interoperability across diverse IoT devices and platforms
Secure, bi-directional communication suitable for building automation use cases
Flexible integration with BMS/MSI platforms for real-time monitoring and analytics
Scalable architecture that grows with building needs
Ideal for condition-based monitoring (air quality, occupancy, energy, leak detection, etc.)
Long-range coverage for hard-to-reach and large areas
Low power consumption, enabling multi-year battery life for sensors
Cost-effective deployment with minimal infrastructure
Easy retrofitting without pulling cables or disrupting operations
High device density for large-scale sensor networks








Benefits of LoRaWAN People Counting & Occupancy Monitoring in Smart Buildings
Optimises space utilisation by revealing how areas are actually used
Improves energy efficiency through demand-based HVAC and lighting control
Enhances safety and compliance with real-time occupancy limits
Supports smarter cleaning and maintenance based on usage, not schedules
Enables better workplace planning for hybrid and flexible environments
Improves tenant experience by reducing congestion and wait times
Provides valuable analytics for long-term portfolio and workplace strategy
Supports emergency response with accurate headcounts and location insights
Helps justify capital planning with data-backed utilisation trends
Integrates easily with BMS/MSI platforms for automation and reporting
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LoRaWAN Site Survey Test Kit
A Site Survey should be the First Step in every LoRaWAN project
Our specially designed LoRaWAN Survey Kit allows you to test suitability of LoRaWAN solutions at any site you visit with fast, accurate readings and data insights. Now available in Compact Backpack for convenience.

LoRaWAN Integration Training and Project Consultancy

LoRaWAN 1-Day Training in Niagara 4/BMS Deployment
1-Day Masterclass for LoRaWAN System Integrators
Enhance your LoRaWAN knowledge in key areas of the solution, and gather understanding step by step by exploring the different integration options into a Tridium Niagara 4 or other BMS.
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We can help with product selection, integrating your data, and technical support






















