Submersible Water Level Sensor EM500-SWL

EM500-SWL lorawan® Submersible Water Level Sensor – Smart Monitoring for Tanks, Rivers & Reservoirs

The Milesight EM500-SWL is an industrial-grade submersible liquid level sensor designed to deliver precise and reliable water level measurements in harsh environments. Powered by lorawan® technology and a high-capacity 19000 mAh battery, this sensor supports wireless transmission over long distances and maintenance-free operation for up to 10 years. Ideal for water tanks, rivers, oil tanks, and wastewater facilities, the EM500-SWL is IP67/IP68 rated and built with a corrosion-resistant stainless steel probe for long-term performance.

Key Features

• Submersible vented gauge pressure sensor for accurate liquid level detection
• Measurement range from 0 to 3m/5m/10m (customizable up to 200m)
• ±0.5% Full Scale (FS) accuracy and 0.01m resolution
• Stainless steel 304 probe with corrosion resistance for durability
• Internal data logging (1,000 records) and retransmission capability
• lorawan® communication with line-of-sight range up to 10 km
• Long battery life – up to 10 years with 19000 mAh replaceable battery
• NFC and USB Type-C configuration options
• Transceiver: IP67 rated; Level sensor: IP68 rated for submersion
• Seamless integration with Milesight gateways and cloud platforms

Technical Specifications

Ideal Applications

• Water Tank Level Monitoring
• River and Water Resource Level Detection
• ISO Tank and Wastewater Tank Monitoring
• Oil Tank Level Measurement
• Flood Risk and Drainage Systems

Submerged Intelligence. Surface Simplicity.

The EM500-SWL brings field-proven, long-range water level monitoring to industries that demand accuracy, durability, and wireless scalability. Available now from TerraQ Technologies across the MEA region.