The Milesight EM500-SWL is a high-precision LoRaWAN submersible water level sensor, designed for real-time monitoring of water levels in wells, rivers, reservoirs, tanks, and other submerged environments. Utilizing LoRaWAN technology, it ensures long-range, low-power wireless communication, making it an ideal solution for flood monitoring, groundwater management, and industrial water control. With an IP67-rated, corrosion-resistant stainless steel body, the EM500-SWL provides accurate measurements and long-lasting performance in harsh environments.
🔑 Key Features
✔ Real-Time Submersible Water Level Monitoring – Accurately measures liquid levels in wells, rivers, tanks, and reservoirs.
✔ LoRaWAN Wireless Transmission – Enables long-range, low-power data transmission for remote monitoring.
✔ Multiple Pressure Range Options – Supports 05m, 010m, and 0~20m water depth measurement models for various applications.
✔ IP67 Waterproof & Corrosion-Resistant – Stainless steel housing ensures durability in submerged and harsh conditions.
✔ Long Battery Life – Equipped with a 19000mAh Li-SOCL2 battery, offering up to 10 years of maintenance-free operation.
✔ Temperature Compensation – Built-in temperature sensor for accurate readings in changing environmental conditions.
✔ Smart Alerts & Data Logging – Sends instant notifications when water levels exceed predefined thresholds.
✔ Easy Installation & Deployment – Comes with a durable cable for easy submersion into water sources.
📦 Technical Specifications
- Model: EM500-SWL L005
- Measuring range: 0–5m H₂O; this is the selected probe range
- Vented gauge pressure measurement; standard version calibrated for water
- Accuracy: ±0.5% FS; resolution 0.01m (10mm)
- Probe: stainless steel, IP68, operating temperature −20°C to +70°C
- Transmitter: IP67, operating temperature −30°C to +70°C; install above water
- Manufacturer cable guidance: at least 1–1.5m longer than measuring range; confirm supplied cable length
- Battery: 19000mAh ER34615 Li-SOCl₂
- LoRaWAN EU868, Class A; NFC configuration
🌍 Applications
💦 Groundwater & Well Level Monitoring
🌊 River & Reservoir Water Level Tracking
🏭 Industrial Water Management & Storage Tanks
🚰 Flood Monitoring & Prevention
🌾 Irrigation Systems & Agriculture
📥 Product Downloads:
📑 Datasheet | 📘 User Manual
Product Video
- Model: EM500-SWL L005
- Measuring range: 0–5m H₂O; this is the selected probe range
- Vented gauge pressure measurement; standard version calibrated for water
- Accuracy: ±0.5% FS; resolution 0.01m (10mm)
- Probe: stainless steel, IP68, operating temperature −20°C to +70°C
- Transmitter: IP67, operating temperature −30°C to +70°C; install above water
- Manufacturer cable guidance: at least 1–1.5m longer than measuring range; confirm supplied cable length
- Battery: 19000mAh ER34615 Li-SOCl₂
- LoRaWAN EU868, Class A; NFC configuration
















