The Milesight EM300-CL is a high-precision LoRaWAN® capacitive level sensor, designed to monitor liquid levels in tanks, reservoirs, and industrial storage systems. Using capacitive sensing technology, it provides accurate, real-time measurements without direct contact with the liquid, ensuring long-term reliability and durability. With low-power LoRaWAN® connectivity, ultra-low energy consumption, and an IP67 waterproof design, the EM300-CL is ideal for remote water management, fuel monitoring, and industrial automation.
🔑 Key Features
✔ Non-Contact Capacitive Sensing – Measures liquid levels accurately without direct contact, reducing wear and contamination risks.
✔ Long-Range LoRaWAN® Wireless Transmission – Enables low-power, long-distance data communication for real-time monitoring.
✔ High Precision & Stability – Provides consistent and reliable level measurements even in challenging environments.
✔ Ultra-Low Power Consumption – Powered by a 4000mAh replaceable Li-SOCL2 battery, offering up to 10 years of maintenance-free operation.
✔ IP67 Waterproof & Industrial-Grade Design – Withstands harsh environmental conditions, making it suitable for indoor and outdoor applications.
✔ Smart Alerts & Data Logging – Sends instant notifications when liquid levels exceed predefined thresholds.
✔ Easy Installation & Configuration – Compact design with multiple mounting options for seamless deployment.
📦 Technical Specifications
✅ Measurement Type: Capacitive Liquid Level Detection
✅ Measuring Range: Configurable based on tank and liquid type
✅ Accuracy: ±1% Full Scale
✅ Resolution: 1mm
✅ LoRaWAN® Protocol: 1.0.3, Class A
✅ LoRa® Frequency Band: EU868
✅ LoRa® TX Power: Up to 20 dBm
✅ LoRa® Sensitivity: -137 dBm
✅ Power Supply: Replaceable 4000mAh Li-SOCL2 battery (up to 10 years lifespan)
✅ Operating Temperature: -30°C to 70°C
✅ Ingress Protection: IP67 Waterproof
✅ Installation: Tank-mounted, pipe-mounted, or wall-mounted
🌍 Applications
🚰 Water Tank & Reservoir Level Monitoring
⛽ Fuel & Chemical Storage Monitoring
🏭 Industrial Liquid Level Control & Management
🌾 Smart Agriculture & Irrigation Systems
🏠 Smart Building & Water Consumption Management
📥 Product Downloads:
Product Video
- Measurement Type: Capacitive Level Sensor
- Measuring Range: 0 ~ 1000 mm
- Resolution: 1 mm
- Accuracy: ±1% FS
- Sampling Interval: Configurable via LoRaWAN® Downlink
- LoRaWAN® Protocol: 1.0.3, Class A
- LoRa® Frequency Band: EU868
- LoRa® TX Power: Up to 20 dBm
- LoRa® Sensitivity: -137 dBm
- Power Supply: Replaceable 4000mAh Li-SOCL2 battery (up to 10 years lifespan)
- Operating Temperature: -30°C to 70°C
- Ingress Protection: IP67 Waterproof
- Installation: Wall-mounted, pipe-mounted, or industrial equipment-mounted