EM500-UDL – LoRaWAN Ultrasonic Level Sensor for Tanks and Pits – Milesight
General Description
Milesight 's EM500-UDL is a LoRaWAN® ultrasonic level sensor designed for non-contact level measurement in tanks, pits, silos, or canals. Available in several variants (W050, W100, C050, C100), it covers measurement distances from 0.25 to 10 meters with high accuracy. Thanks to its IP67 housing, a battery life of up to 10 years, and simple setup via NFC or USB Type-C, it is a reliable solution for remote monitoring of liquid or solid levels.
Targeted Applications
- Level monitoring in tanks or pits
- Measurement of water, sludge or granular product level
- Management of silos, canals, basins or treatment plants
- Filling control and overflow detection
Highlights
- Contactless measurement up to 10 m depending on version
- High accuracy up to ±1% FS or ±(1+0.3%*S) cm
- Long-range, low-power LoRaWAN transmission
- IP67 protection, robust housing for wet environments
- Up to 10 years of battery life with 19000 mAh battery
- Quick setup via NFC or USB Type-C
- CE, FCC, RoHS, LoRaWAN® Certified certifications
Technical Specifications
Transmission |
Technology |
LoRaWAN® |
Supported frequencies |
CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1/2/3/4 |
Transmit power |
16 dBm (868 MHz), 20 dBm (915 MHz), 19 dBm (470 MHz) |
Sensitivity |
-137 dBm @300bps |
Fashion |
OTAA / ABP – Class A |
Level measurement |
Range and accuracy |
W050: 0.3 – 5 m, ±1% FS W100: 0.5 – 10 m, ±1% FS C050: 0.25 – 5 m, ±(1+0.3%*S) cm C100: 0.25 – 8 m, ±(1+0.3%*S) cm (S = distance) |
Resolution |
1 mm |
Interfaces and Connectors |
Switching on/off |
NFC, internal button |
Configuration |
Mobile app (NFC) or PC software via USB Type-C |
Physical Characteristics |
Food |
Li-SOCL2 battery 19000 mAh (ER34615) |
Autonomy |
Up to 10 years (10 minute interval) |
Operating temperature |
W050/W100: -30°C to +65°C C050/C100: -15°C to +60°C |
Relative humidity |
0% to 80% (non-condensing) |
Protection index |
IP67 |
Dimensions |
156.1 × 71 × 69.5 mm |
Facility |
Wall, pole or DIN rail mounting |
Interfaces and Connectors
The EM500-UDL sensor features an NFC and USB Type-C interface for quick setup, as well as an internal button for manual activation. No direct contact with the liquid is required.
Pack Contents
- 1 × Milesight EM500-UDL Level Sensor
- 1 × Built-in battery
- 1 × Wall/Pole/DIN Rail Mounting Kit
- 1 × Quick Installation Guide