EM400-MUD – LoRaWAN/NB-IoT Ultrasonic Level Sensor with Tilt – Milesight
General Description
Milesight 's EM400-MUD is a high-precision ultrasonic level sensor designed for distance measurement applications in outdoor or industrial environments. It supports LoRaWAN® and NB-IoT/Cat M1 networks, and features advanced features such as tilt detection, GNSS geolocation (in cellular version), and a battery life of over 10 years. Thanks to its robustness (IP67), it is ideal for waste management, smart parking, tanks and silos.
Targeted Applications
- Level measurement in tanks, containers, silos
- Smart waste management
- Smart parking (parking mode)
- GNSS Asset Tracking (NB-IoT version)
Highlights
- Ultrasonic sensor with 1 mm resolution and dynamic accuracy
- Dual connectivity: LoRaWAN® or NB-IoT/Cat M1
- Integrated tilt and temperature
- GNSS for geolocation (cellular version only)
- Standard, bin, and parking modes
- Up to 10 years of battery life depending on use
- IP67 waterproof enclosure with wall mounting
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 |
| Technology |
Ultrasonic |
| Detection range |
3 ~ 450 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) |
| GNSS (NB-IoT only) |
Latitude / Longitude (resolution 0.000001) |
| 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 mode and protocol) |
| Operating temperature |
-30°C to +70°C |
| Relative humidity |
≤95% (non-condensing) |
| Protection index |
IP67 |
| Dimensions |
118 × 65 × 32.5 mm |
| Materials |
ABS + PC (flame retardant), gray/black |
| Facility |
Mounting on flat surface with screws |
Interfaces and Connectors
The EM400-MUD is configured via NFC and has operating modes adapted to different use cases (standard, bin, parking). Its lithium battery power guarantees long-term operation even in harsh environments.
Pack Contents
- 1 × EM400-MUD Sensor
- 1 × User Guide
- 1 × Mounting Kit