Milesight EM500-UDL Ultrasonic Distance Level Sensor – W050

EM500-UDL is widely used for outdoor applications like flood monitoring, granary level monitoring, etc. With LoRaWAN® technology, EM500-UDL can work up to 10 years with 19000 mAh battery. Combining with Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, users can manage all sensor data remotely and visually.

Key Features
– Object distance or level detection without touch
– Ultra-wide-distance transmission up to line of sight of 10km
– IP66 waterproof enclosure for harsh environment applications
– Built-in 19000 mAh replaceable battery and work for 10 years without replacement
– Equipped with NFC for easy configuration
– Compliant with standard LoRaWAN® gateways and network servers
– Quick and easy management with Milesight IoT Cloud solution

Applications
– Water level monitoring
– Flood monitoring
– Level/depth monitoring in tanks
– Snow level monitoring
– Smart agriculture: fill level monitoring in grain, fertilizer or pellets silo

Specifications

Wireless Transmission:
– Technology LoRaWAN®
– Frequency: EU868
– Tx Power: 16dBm(868)
– Sensitivity: -147dBm @300bps
– Mode: OTAA/ABP Class A

Measurement
– Range: 0.3 – 5m
– Accuracy: ±1% FS
– Resolution: 1 mm

Operation
– Power On & Off: NFC, power button (Internal)
– Configuration: Mobile APP(via NFC) or PC software(via USB Type-C)

Physical Characteristics
– Power Supply: 19000 mAh Li-SOCL2 battery (ER34615)
– Battery Life*: 5.5 years (10 min interval, SF12) >10 years (10 min interval, SF7)
– Operating Temperature: -30°C to +65°C
– Relative Humidity: 0% to 100% (non-condensing)
– Ingress Protection: IP66

Dimension: 156.1 × 71 × 69.5 mm (6.1 × 2.8 × 2.7 in)

Installation Pole, wall or DIN Rail