EM400-TLD – LoRaWAN/NB-IoT Level ToF Sensor with Tilt – Milesight
General Description
Milesight 's EM400-TLD is a wireless level sensor with ToF (Time of Flight) technology, ideal for distance measurement applications up to 3.5 meters with an accuracy of ±2 cm. It is compatible with LoRaWAN® and NB-IoT/Cat M1 networks depending on the chosen version, and also offers tilt detection, GNSS geolocation (cellular version) as well as a long battery life of up to 10 years. Its robust IP67 housing allows installation on flat surfaces, even in demanding environments.
Targeted Applications
- Level measurement in containers, silos or tanks
- Smart waste management
- Tilt and object state detection
- Tracking and localization of sensors in the field
Highlights
- ToF technology with 1 mm resolution and ±2 cm accuracy
- Dual connectivity: LoRaWAN® or NB-IoT/Cat M1
- Built-in tilt detection
- GNSS for location (cellular version only)
- Battery life up to 10 years
- IP67 protection rating
- Configuration via NFC and 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 |
Multi-region Cat M1 and Cat NB2 bands |
SIM card |
1 × Micro SIM (3FF) |
Protocols |
TCP / UDP / MQTT / AWS / Milesight IoT Cloud |
Measure |
Technology |
ToF (Time of Flight) |
Field of vision |
27° |
Detection range |
2 ~ 350 cm |
Precision |
±2 cm |
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 |
Mobile application via NFC |
Physical Characteristics |
Food |
2 × ER26500 (Li-SOCL2) 9000 mAh batteries |
Autonomy |
Up to 10 years depending on use |
Operating temperature |
-30°C to +70°C |
Relative humidity |
≤95% (non-condensing) |
Protection index |
IP67 |
Dimensions |
118 × 65 × 30 mm |
Materials |
ABS + PC (flame retardant), gray/black |
Facility |
Fixing to flat surface with screws |
Interfaces and Connectors
The EM400-TLD is powered by two high-capacity batteries and features an NFC interface for quick setup. The NB-IoT model offers a SIM slot and a variety of protocols. Installation is simplified by direct mounting on a flat surface.
Pack Contents
- 1 × EM400-TLD Sensor
- 1 × User Guide
- 1 × Mounting Kit