EM400-UDL – LoRaWAN/NB-IoT Long Range Ultrasonic Level Sensor – Milesight
General Description
Milesight 's EM400-UDL is a high-range ultrasonic level sensor capable of measuring distances up to 10 meters with dynamic accuracy. It is compatible with LoRaWAN® and NB-IoT/Cat M1 networks, depending on the version chosen. Designed for outdoor environments and harsh conditions, it offers a battery life of more than 10 years, tilt detection, and simple setup via NFC. It is available in several colors depending on the model (C050/C100, W050/W100, S050).
Targeted Applications
- Monitoring the level of containers, tanks or silos
- Smart waste management
- Level measurement in industrial or municipal environments
- Long-term outdoor deployment with LPWAN connectivity
Highlights
- Range up to 10 meters (depending on model)
- Dual LoRaWAN® or NB-IoT connectivity
- 1 mm resolution and dynamic precision
- Built-in tilt detection
- Up to 10 years of battery life
- IP67 protection rating
- Configuration via NFC mobile application
Technical Specifications
Wireless Transmission |
LoRaWAN® |
CN470 / EU868 / RU864 / IN865 / AU915 / US915 / KR920 / AS923-1/2/3/4 |
Transmit power |
16 dBm (868 MHz) / 19 dBm (470 MHz) / 22 dBm (915 MHz) |
Sensitivity |
-137 dBm @300bps |
Fashion |
OTAA / ABP – Class A |
NB-IoT / Cat M1 |
Global bands Cat M1 and NB2 |
SIM card |
1 × Micro SIM (3FF) |
Protocols |
TCP / UDP / MQTT / AWS / Milesight IoT Cloud |
Measure |
Detection range |
C050: 25–500 cm / C100: 25–1000 cm |
Precision |
± (1+0.3% × S) cm, S = distance (from -15°C to 60°C) |
Resolution |
1 mm |
Tilt |
Normal / Tilt |
Temperature |
-40°C to 125°C (resolution 0.1°C) |
Configuration |
Ignition |
NFC or internal button |
Configuration |
Via NFC mobile application |
Physical Characteristics |
Food |
2 × ER26500 (Li-SOCL2) 9000 mAh batteries |
Autonomy |
>10 years (depending on protocol and configuration) |
Operating temperature |
-30°C to +70°C |
Relative humidity |
≤95% (non-condensing) |
Protection index |
IP67 |
Dimensions |
118 × 65 × 80 mm |
Materials |
ABS + PC (flame retardant) |
Colors |
Black/Grey (C050/C100), Grey (W050/W100/S050) |
Facility |
Mounting on flat surface with screws |
Interfaces and Connectors
The EM400-UDL is ready for long-term deployment with self-powered power, NFC configuration, and LPWAN protocol. Its rugged design makes it ideal for challenging industrial or outdoor environments.
Pack Contents
- 1 × EM400-UDL Sensor
- 1 × User Guide
- 1 × Mounting Kit