Milesight EM500-SWL Submersible Water Level Sensor

The Milesight EM500-SWL is a precision-engineered submersible water level sensor designed for long-term deployment in harsh industrial, agricultural, and environmental monitoring applications. Equipped with a stainless steel probe and customizable measurement ranges up to 200 meters, the EM500-SWL delivers highly accurate liquid level readings across a wide variety of non-corrosive media. Easily integrated with the SenseCore Control Suite platform, it enables centralized monitoring, remote configuration, and real-time alerts for critical water infrastructure.

Built for rugged environments, the EM500-SWL features an IP67-rated transceiver and IP68-rated level sensor, ensuring reliable operation even when fully submerged. Its non-clogging design is unaffected by foam, wind, or rain, making it ideal for river basins, water tanks, oil reservoirs, and wastewater systems. Powered by a 19000 mAh replaceable battery, the sensor supports up to 10 years of operation with minimal maintenance. Configuration is streamlined via NFC using the Milesight Toolbox app, and installation options include wall, pole, or DIN rail mounting for flexible deployment.

Key Specifications:

Measurement Range: 0–3m, 5m, 10m (customizable up to 200m)
Accuracy: ±0.5% FS; Resolution: 0.01m
Pressure Type: Gauge pressure
Battery: 19000 mAh Li-SOCL2 (ER34615); up to 10 years life at 10-minute intervals
Wireless Protocol: LoRaWAN® Class A, OTAA/ABP
Frequency Bands: CN470, IN865, RU864, EU868, US915, AU915, KR920, AS923
Tx Power: Up to 20 dBm; Sensitivity: -137 dBm
Configuration: NFC (mobile app) or USB-C (PC software)
Operating Temperature:
- Transceiver: -30°C to +70°C
- Level Sensor: -10°C to +70°C
Humidity: 0–100% RH (non-condensing)
Enclosure: IP67 (transceiver), IP68 (sensor); UV-resistant casing
Mounting: Wall, pole, or DIN rail
Dimensions:
- Transceiver: 105.4 × 71 × 69.5 mm
- Sensor: 140 × Ø28 mm
Certifications: CE, FCC, RoHS

Application Scenarios:

Water Resource Monitoring:
Ideal for tracking water levels in rivers, reservoirs, and irrigation systems. The sensor’s high accuracy and long battery life make it suitable for remote deployments with minimal infrastructure.
Industrial Tank Management:
Supports monitoring of oil, wastewater, and ISO tanks. Its customizable range and rugged design ensure reliable performance in demanding environments.
Well Water Level
Supports monitoring of oil, wastewater, and ISO tanks. Its customizable range and rugged design ensure reliable performance in demanding environments.

Why Choose the EM500-SWL?
With its robust waterproof design, long battery life, and seamless SenseCore integration, the EM500-SWL is a dependable solution for scalable water level monitoring. Whether used in agriculture, utilities, or environmental protection, it delivers precise data and flexible deployment options.

For full technical documentation, visit the Milesight EM500-SWL product page.