Milesight
Milesight EM500-UDL-868M Ultrasonic Distance/Level Sensor (C100)
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Milesight EM500-UDL-868M Ultrasonic Distance/Level Sensor (C100)
EUCA Head Office
Clearwater Office Park
Parkhaven, Block H Ground Floor
Boksburg
Gauteng
1459
South Africa
The Milesight EM500-UDL-868M (C100) is a LoRaWAN® industrial-grade ultrasonic distance and level sensor designed for non-contact measurement of liquids and solid materials. It uses ultrasonic wave technology to measure fill levels in tanks, reservoirs, rivers, silos, and industrial containers.
The device is built for harsh outdoor environments with an IP67-rated enclosure, long-range LoRaWAN® communication, and ultra-low power consumption enabling up to 10 years battery life. It supports multiple measurement variants (W050, W100, C050, C100), with the C100 version offering up to 10 m range.
key Features
- Non-contact ultrasonic distance/level measurement
- Measurement range up to 0.25 -10 m (C100 variant)
- High accuracy: ±(1 + 0.3% × S) cm
- Resolution: 1 mm
- Supports multiple deployment modes (W / C series variants)
- Long-range LoRaWAN® communication (EU868)
- Up to 10 km line-of-sight transmission
- Ultra-low power design with up to 10 years battery life
- Built-in NFC configuration (mobile app setup)
- Data storage and retransmission capability
- IP67-rated waterproof and dustproof enclosure
- Compatible with Milesight IoT Cloud platform
- Suitable for industrial and outdoor harsh environments
- Supports threshold and change alarms
- Easy installation with wall/pole/DIN rail mounting
Specifications
| Parameter | Specification |
|---|---|
| Model | EM500-UDL-868M (C100) |
| Sensor Type | Ultrasonic Distance / Level Sensor |
| Measurement Technology | Ultrasonic wave |
| Measurement Range | 0.25 -10 m |
| Accuracy | ±(1 + 0.3% × S) cm |
| Resolution | 1 mm |
| Versions | W050 / W100 / C050 / C100 |
| Communication | LoRaWAN® |
| Frequency Band | EU868 MHz |
| LoRaWAN Class | Class A |
| Transmission Power | 16 dBm |
| Sensitivity | -137 dBm @ 300 bps |
| Antenna | Internal |
| Configuration | NFC / Mobile App / USB Type-C |
| Data Storage | 1,000 records |
| Alarm Functions | Threshold alarm, change alarm |
| Power Supply | 1 × 19,000 mAh ER34615 Li-SOCl₂ battery |
| Battery Life | Up to 10 years (10 min interval @ 25°C) |
| Operating Temperature | -15°C to +60°C (C series) |
| Humidity | 0-80% RH (non-condensing) |
| Protection Rating | IP67 |
| Housing Material | ABS + PC |
| Dimensions | 156.1 × 71 × 69.5 mm |
| Installation | Wall / Pole / DIN rail mounting |
| Certifications | CE, FCC, RoHS, LoRaWAN Certified |