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Milesight Mini AI Thermopile People Counter Sensor VS351

Milesight VS351 is a compact AI thermopile people counter designed for indoor entrances and exits. Perfect for managing foot traffic and optimizing space usage, it offers high accuracy in bi-directional people counting.

📊 High Accuracy
Achieve up to 95% detection accuracy (99% for single person passing) with radar and thermopile technology.

🌡️ Temperature Monitoring
Built-in sensor for environmental and operational monitoring.

🔒 Privacy First
100% anonymous and GDPR-compliant, no image capturing.

🔋 Versatile Installation
Type-C (wired) and battery (wireless) versions available.

🌍 Eco-Friendly
Ultra-low power consumption with up to 1.6-year battery life.

📶 Easy Deployment
Wireless connectivity and compact size.

📁 Data Security
Store up to 1,000 historical records locally.

🚀 Direct Control
Milesight D2D protocol for ultra-low latency control.

📱 Simple Setup
NFC-enabled for one-touch configuration.

☁️ Seamless Integration
Compatible with LoRaWAN® gateways and Milesight IoT Cloud.

  • OVERVIEW

    Optimise Operational Efficiency with Precise People Counting using the Milesight VS351

    Milesight’s VS351 Mini AI Thermopile People Counter is an advanced solution designed for precision in monitoring foot traffic in indoor entrances and exits. This compact device excels in high-accuracy bi-directional people counting, making it an essential tool for effective foot traffic analysis and efficient space management.

    The VS351 is equipped with a radar sensor (battery version only) for presence detection, intelligently scheduling the thermopile’s activation to optimise power consumption. As a Milesight D2D controller, it seamlessly integrates with other Milesight D2D devices, enhancing connectivity and streamlining operations.

    With its easy configuration and wireless detection capabilities, the VS351 ensures effortless deployment and connection. It is fully compatible with the Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, enabling users to monitor occupancy in any indoor space and remotely trigger other sensors or appliances through a user-friendly webpage or mobile app.

    Unlock Precision and Efficiency with Bi-Directional People Counting— Your Key to Efficient Space Management.

    Features

    • Achieve up to 95% detection accuracy (99% for individual passage) in bi-directional people counting utilising radar technology (battery model) and thermopile technology.
    • Features an integrated temperature sensor for environmental monitoring and ensuring optimal device operating conditions.
    • Guarantees 100% anonymity and GDPR compliance, eliminating privacy concerns with no image capturing.
    • Available in Type-C (wired) and battery (wireless) models to suit diverse installation environments.
    • Ensures ultra-low power consumption with a battery life of up to 1.6 years, adhering to ESG standards.
    • Offers wireless connectivity and a compact design for enhanced deployment flexibility and simplicity.
    • Capable of storing 1,000 historical records locally with support for data retransmission to prevent loss.
    • Supports Milesight D2D protocol, allowing ultra-low latency and direct device control without gateways.
    • Equipped with NFC technology for effortless one-touch configuration.
    • Operates seamlessly with standard LoRaWAN® gateways and network servers.
    • Fully compatible with the Milesight IoT Cloud platform.

    Advanced Tracking

    Experience unparalleled precision and efficiency with this innovative people counter, which seamlessly blends cost-effectiveness, high accuracy, and low power usage. Leveraging cutting-edge thermopile and radar technologies, it accurately tracks individuals entering and exiting areas. The AI-driven system excels in bi-directional tracking, delivering real-time, reliable data over a wide detection range, while its sophisticated algorithm effectively filters out side-by-side and U-turn movements, ensuring optimal accuracy.

    Flexible and Energy-Efficient Model Options

    Discover the versatility of the Milesight VS351 with its battery-powered and Type-C powered models designed to suit any installation need. The battery-powered model offers a completely wire-free setup, utilising thermopile and radar technologies to avoid extensive wiring or infrastructure modifications. Meanwhile, the Type-C model ensures continuous operation by connecting directly to a power source, eliminating battery worries. Both versions prioritise energy efficiency, with features like programmable sleep periods to reduce power consumption during inactive times, and synchronised radar and thermopile operations that meet ESG standards.

    Unmatched Accuracy with Multi-Sensor Fusion

    Achieve unparalleled precision with the Milesight VS351, delivering reliable data collection at a 95% accuracy rate, and up to 99% for single-person passages. This level of accuracy supports confident decision-making, validated by tests conducted at a height of 2.7m and in ambient temperatures around 25°C. The counter’s exceptional performance is bolstered by its multi-sensor fusion technology, where radar and dedicated temperature sensors work in tandem to trigger the device, ensuring optimal accuracy and functionality across diverse environmental conditions.

  • SPECIFICATIONS

     

    Measurement

    People Counting

    Technology Radar (Battery Version Only) & Thermopile
    Installation Height 2.3 m ~ 3.0 m
    Detection Range 5.55 m x 2.30 m @ 3 m Installation Height
    Sensor Adjustable Angle 0°~90°
    Detection Rate1 Up to 95% (Single Person2: Up to 99%)
    Best Operating Temperature 15 °C ~ 30 °C
    Advanced Features U-Turn Filtering, Bi-directional People Counting, Side by Side Differentiation

    Temperature

    Range  -30°C ~ 70°C
    Accuracy ± 2°C

    Wireless Transmission

    Protocol LoRaWAN®, Milesight D2D
    Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
    Tx Power 16 dBm (868 MHz) / 19 dBm (470 MHz) / 22 dBm (915 MHz)
    Sensitivity -137dBm
    Mode OTAA/ABP Class A

    Others

    Button 1 × Reset Button (Internal)
    Configuration NFC Configuration via Mobile App
    Advanced Feature Data Storage, Data Retransmission, Data Retrievability, Milesight D2D
    Controller

    Physical Characteristics

    Power Supply 1. 5V/1A by Type-C Port (Both Versions)
    2. 4 x 9000 mAh ER26500 Li-SOCl2 Replaceable Batteries (Battery Version
    Only)
    Battery Life3 Around 1.6 Years (30-min Interval, 25°C, 1000 People per Day )
    Operating Temperature -20°C ~ 60°C
    Relative Humidity 0% ~ 95% (Non-condensing)
    Ingress Protection IP30
    Dimension Type-C Version: 70 x 68 x 32 mm ( 2.76 x 2.68 x 1.26 in)
    Battery Version: 188 x 68 x 32 mm ( 7.40 x 2.68 x 1.26 in)
    Material & Color PC (Flame Retardant), White
    Installation Ceiling Mounting, Lintel Mounting

    1 Tested under installation height is 2.7m and temperature is 25°C.
    2 30 ~ 40 cm should be kept between two people while passing the detection area.
    3 Tested under laboratory conditions and for guideline purposes only.

     

    Detection Area

    Installation Height (m) Detection Area (m)
    2.3 3.80 x 1.35
    2.5 4.35 x 1.85
    2.7 4.55 x 2.1
    3.0 5.55 x 2.30
  • GATEWAYS

    Milesight LoRaWAN Gateway Options – Enhancing Connectivity and Efficiency in IoT Networks

    A robust gateway is a critical component for seamless connectivity and efficient data transmission. Serving as the bridge between IoT devices and the cloud, Milesight LoRaWAN gateways offer unparalleled performance and versatility.

    Choose the Milesight LoRaWAN gateway that best suits your specific requirements, and experience unparalleled connectivity, efficiency, and reliability in your wireless IoT network.

    Learn more here >>

/ Shop / Products / Milesight / Milesight VS351 - Mini AI Thermopile People Counter

Milesight VS351 – Mini AI Thermopile People Counter

$260.00 – $325.00 ex GST

The Milesight VS351 Mini AI Thermopile People Counter offers high-precision bi-directional counting, optimising power with radar-scheduled thermopile activation. Seamlessly integrating with Milesight D2D devices, it supports efficient space management. Compatible with LoRaWAN® and IoT Cloud, it enhances operational efficiency, providing cutting-edge technology for effective indoor foot traffic analysis.

Part Number: VS351X Category: Products

Purchase Options

The USB-C wired model offers consistent power and connectivity, ensuring uninterrupted performance in environments with reliable power sources.

Part number: VS351-915M-WHITE

Unit Price: $260.00

$260.00 ex GST

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The wireless battery version ensures flexible installation, featuring ultra-low power consumption with a battery life of up to 1.6 years. It offers easy installation and is ideal for areas where cabling isn't an option.

Part number: VS351-915M-WHITE-BATTERY

Unit Price: $325.00

$325.00 ex GST

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Product Resources

←
→

VS351 Mini AI Thermopile People Counter Datasheet

VS351 Mini AI Thermopile People Counter User Guide

Easy Configuration via NFC for Milesight Sensor How-To-Video

Milesight D2D Communication

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