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LoRaWAN Distance & Fill Level Sensors

Implement Smart Waste processes to improve resource management and occupant comfort. Or effectively monitor industrial assets with Boiler and Tank fill-level monitoring.

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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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Milesight AM102L
Datasheet

Milesight EM400-UDL Ultrasonic Distance LoRaWAN Sensor

The Milesight EM400-UDL, as the versatile LoRaWAN sensor among EM400 series, offering two versions – Standard and Pro with varying detection range, resolution, and accuracy, is designed to cater to the demands of professional applications.
  • IP67 Rated Enclosure
  • 3-in-1 Sensor for Non-Contact Distance, Tilt and Temperature
  • LoRaWAN & NB-IoT Versions
  • Up to 10 Year Battery
Product Description & Topology

The Milesight EM400-UDL is a non-contact ultrasonic distance sensor designed for liquid level distance measurement. It features multiple selective probes with varying detecting ranges to meet diverse requirements. With high protection IP rating and waterproof enclosure, EM400-UDL can withstand harsh environments, and it can work up to 10 years with two 9000 mAh batteries. Milesight offers LoRaWAN® version and NB-IoT/Cat.M version to meet different communication needs. The LoRaWAN® version can be integrated with Milesight LoRaWAN® gateway, enabling remote and visual management of all sensor data. The NB-IoT/Cat.M version not only supports multiple application modes to compatible with IoT platforms, but also is equipped with GNSS for tracking and security purposes. The Milesight EM400-UDL can be used in outdoor applications such as water level measurement in static or slow-flowing water bodies, monitoring fill level of water tanks, etc.

Features
  • Selective probes vary from 25 to 1000 cm for multiple applications
  • Two built-in 9000 mAh replaceable batteries that work for up to 10 years without replacement
  • Equipped with NTC temperature sensor for the detection and alarm of burning
  • Built-in 3-axis accelerometer sensor to monitor device tilt status
  • Damp-proof coating inside and IP67 waterproof enclosure for outdoor applications
  • Equipped with NFC for one touch configuration, support card emulation mode
  • Ultra-wide-distance wireless transmission up to line of sight of 15 km
  • Function well with standard LoRaWAN® gateways and network servers
  • Compatible with Milesight IoT Cloud for remote management
How do LoRaWAN Devices Integrate?

We’re here to help you get LoRaWAN Data into your BMS Platform the way you want it: via BACnet/IP, Modbus, or MQTT through Chirpstack

LoRaWAN Gateway Integration Topology BMS
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 Distance & Fill Level Monitoring

  • Supports sustainability goals by reducing unnecessary collections and emissions

  • Improves occupant experience in offices, campuses, and public spaces

  • Prevents overflow and hygiene issues with real-time fill level alerts

  • Reduces operational costs through efficient route and schedule planning

  • Optimizes waste collection by servicing bins only when needed

  • Integrates seamlessly with BMS/MSI platforms for dashboards, alerts, and workflows

  • Works in hard-to-reach locations such as basements, plant rooms, and outdoor areas

  • Long battery life with minimal maintenance requirements

  • Scales easily across buildings and campuses with minimal infrastructure

  • Provides actionable analytics for usage trends and capacity planning

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LoRaWAN Gateways

Connecting LoRaWAN Sensor Data with People and Building Management Systems – We Distribute Milesight, Wattsense and Veea

Milesight UG65 Indoor LoRaWAN Gateway

Next-gen IoT Integration Controller running Niagara 4

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Milesight UG56 Indoor LoRaWAN Gateway

Next-gen IoT Integration Controller running Niagara 4

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Wattsense IoT & LoRaWAN Gateway

Next-gen IoT Integration Controller running Niagara 4

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VeeaHub All-In-One IoT Platform

Next-gen IoT Integration Controller running Niagara 4

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View all LoRaWAN Gateways here

LoRaWAN Sensors & Devices by Application

Measure Everything: LoRaWAN’s Long Range Wide Area Network Puts Limitless Data Use Cases in Your Control

Indoor Air Quality & Environment
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People Sensing and Occupancy
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Water Leak Detection Sensors
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Metering & Current Monitoring
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Distance and Fill Level Monitoring
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Thermostatic Radiator Valves (TRVs)
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Agriculture and Outdoor Monitoring
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Equipment and Operational Monitoring
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LoRaWAN Sensors & Devices by Brand

Measure Everything: LoRaWAN’s Long Range Wide Area Network Puts Limitless Data Use Cases in Your Control

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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.

See inside the Site Survey Kit
Adeunis LoRaWAN Network Test Device

Qualify and Validate your LoRaWAN Network in any area

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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.

View course details

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