Ultrasonic Distance/Level Sensor
EM500-UDL 
- Distance & Level Measurement
- LoRaWAN® Wireless
- Easy Configuration via NFC
- 10 Years Battery Life
Ultrasonic Distance/Level Sensor
EM500-UDL
EM500-UDL provides highly accurate distance measurement for a variety of applications in harsh environments like flood monitoring, wastewater management, fill level monitoring in grains or fertilizer. The measurement is based on ultrasonic waves transmitted and reflected back from nearby objects.
Measuring ranges from 0.3m to 10m
Measurements in very small containers or openings
Suitable for measuring benign and chemical mediums
Non-contact detection for any corrosive liquid chemicals or combustibles
Snow Level Monitoring >>>
In cold winter, by leveraging LoRaWAN-based snow level monitoring solution, government departments can take timely response to heavy snowfalls and avoid confronting with long-time road restriction. The EM500-UDL ultrasonic distance level sensor can help create a network that helps improve field visibility and makes a city smarter.
Tank Level Monitoring <<<
Measuring tank levels in industrial applications is a difficult task to carry out with repeated accuracy and reliability. We can continue to take use of the inexpensive traditional stick made of wood, metal or plastic and inspect it by our sense, but it’s labor cost and easy to error-making due to the manual reporting methods.
Cloud Web & APP:
EM500-UDL Sensor works perfectly with Milesight IoT Cloud (Web & App), which allows you to monitor your data in the office or on the go. With a drag-and-drop experience, Milesight IoT Cloud provides rich features such as intuitive widgets, triggers, sharing and transfer ownership of devices, layers, etc.
LoRaWAN Wireless Transmission
Ultra-low power consumption and easy deploymentBuilt-in 19000 mAh high-capacity battery can be used for 10 years.
Simple and Easy to Use
Configure Your Device via NFC
Specifications | Documents
| LoRaWAN® | Frequency | CN470/RU864/IN865/EU868/US915/AU915/KR920/AS923 |
| Tx Power | 20dBm | |
| Sensitivity | -137dBm @300bps | |
| Mode | OTAA/ABP Class A | |
| Measurement | Range | EM500-UDL-W050: 0.3-5m EM500-UDL-W100: 0.5-10m (Customizable for snow level detection usage) |
| Resolution | 1 mm | |
| Accuracy | ±1% | |
| Physical Characteristics | Power Supply | 19000 mAh Li-SOCL2 |
| Operating Temperature | -30°C to +65°C | |
| Ingress Protection | IP66 (IP67 as required) | |
| Dimension | 156.1 × 71 × 69.5 mm | |
| Mounting | DIN rail, wall, pole mounting |
