Smart building

Which Smart Building sensors are used in People Counting?

Practically any type of sensor can be deployed in smart buildings, providing valuable insights into any of a number of key parameters. Typical smart building solutions leverage sensors that monitor temperature, humidity, motion, contact, and/or gas to provide insights into a wide range of property KPIs.
People Counting in Smart Buildings

What is the purpose of these different types of smart building sensors, and which of them can be used in people counting applications?

Different types of smart building sensors

Temperature sensors are used to detect thermal variations in the air or in a range of substrates. The conventional temperature sensor is the thermocouple which monitors temperature as a function of a voltage differential at the junction between two wires. When integrated with IoT-functionality, temperature sensors can continuously monitor the ambient temperature so businesses can automate heating and ventilation (HVAC). Additionally, they can be used to monitor process temperatures and alert users when machinery is approaching critical set-points.

Humidity sensors are typically based on capacitance, and they are similarly used to maintain comfortable ambient conditions in smart buildings like office blocks. When integrated into HVAC systems, humidity sensors can alert property managers if humidity reaches out-of-band levels, which may indicate heating and ventilation equipment failure.

Contact sensors have been used in retail environments for years. They operate on a simple mechanism that transmits a signal when two pieces of a sensor are in/out of contact with one another. These are often used on external doors for energy efficiency and security purposes. With IoT interconnectivity, it is possible for property managers to get a live, remote view of any door equipped with contact sensors.

Gas sensors are used to sample ambient conditions and report on air quality. Even domestic spaces are usually equipped with rudimentary carbon monoxide (CO) smart building sensors for regulatory purposes, but a wider push for greater commercial air quality has seen a significant increase in the number of smart buildings sensors monitoring the level of oxygen and volatile organic compounds (VOCs), as well as harmful gases, to ensure the highest air quality is maintained.

Motion sensors detect movement, usually via infrared technology, to provide information on the occupancy of the monitored space. These range from simple infrared beam detectors to more complex 3D cameras. These are at the heart of some of the most intuitive smart building sensing solutions, including passive security systems that can alert businesses to intruders, and automatic heating and lighting based on real-time occupancy level detection.

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People Counting solutions from Terabee

Contact sensors can, to a limited extent, be used to monitor footfall as a function of how often a door is opened and closed. But only motion sensors provide the accuracy required for smart building systems to operate as intended. Discrete Time-of-Flight (ToF) infrared smart building sensors allow building managers to easily anonymously count people entering and exiting the property. 

The accuracy and precision of individual systems varies depending on a number of factors, but the Terabee 3D Time-of-Flight people counting solution can reliably track visitors with 95% accuracy or better, using a proprietary people counting algorithm to distinguish between individuals in crowded spaces. The People Flow Counting L-XL device from Terabee is ideal for large doorways, hallways, and wide meeting rooms and open spaces, while the People Flow Counting M device is optimized for standard doors. Interested in learning more?

Introducing the People Occupancy Counting sensor

Terabee People Occupancy counter gvies accurate multi-zone occupancy insights to maximize the management of meeting rooms through to large spaces. Available in PoE and LoRa versions, the People Occupancy Counting offers you ease-of-installation, robustness, and versatility, whether you need a tidy, streamlined wired solution or a flexible and far-reaching wireless one.

Unlike non-GDPR compliant technologies that may rely on facial recognition or other intrusive methods, the People Occupancy Counter uses thermal technology which prioritizes privacy. By solely focusing on thermal signatures, these sensors don’t capture personally identifiable information (PII). This ensures compliance with privacy regulations and also fosters a more transparent and ethical approach to space occupancy counting.

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Related products

Terabee People Flow Counting L-XL

GDPR compliant people counting device. Optimize value and reduce costs from your retail operation, smart building or office space
Using advanced Time-of-Flight technology, Terabee People Flow Counting L-XL is GDPR compliant and provides accurate people counting data (98% accuracy or more) by monitoring the number of people entering and exiting doorways or corridors.

Easy to configure and install on high ceilings, the Terabee People Flow Counting L-XL fits any kind of wide indoor entrance, up to 15 meters in a multi-device setup. Our people counting algorithm is capable of filtering out static objects and counting multiple people passing in both directions below the device as they enter or leave a space.

The solution consists of an IoT people counting device and an optional IoT platform. Two product variations allow transmission of the data via Power over Ethernet or LoRaWAN. Interested? Contact us.

Terabee People Flow Counting M 2.0

Get real-time people counting data for single doorways and narrow corridors
Real-time data is the backbone of our modern, fast-paced world especially when it comes to monitoring space usage, occupancy, energy efficiency, security, building performance or tailored services. The Terabee People Flow Counting M 2.0 device is GDPR compliant by design, with a real-time data capability, providing seamless, accurate, and highly effective footfall measurement, at a competitive price.

Using Time-of-Flight technology, the People Flow Counting M 2.0 solution guarantees anonymity in its operations, prioritizing data privacy protection while offering robust, reliable occupancy monitoring.

People Flow Counting M 2.0 is the perfect addition to your Building Management System. The “smaller sibling” of People Flow Counting L-XL, People Flow Counting M 2.0 is designed for smaller doorways and narrow corridors. It comes in both Power over Ethernet (PoE) and LoRa models to best suit your needs.

Terabee People Occupancy Counting

Get accurate occupancy data to maximize the management of meeting rooms and large spaces
Introducing state-of-the-art thermal GDPR-by-design People Occupancy Counting solution, designed to accurately detect and count individuals in any environment, from meeting rooms to large open-plan areas.

Leveraging advanced thermal imaging technology, the Terabee People Occupancy Counting ensures precise occupancy tracking in all light conditions. Ideal for fine-tuning energy management, optimizing space utilization, and automating building operations, it's the next-generation solution for modern space management.
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