The Milesight EM400-MUD is a multifunctional ultrasonic distance sensor designed for precise 📏 level and distance measurements in various environments. With a detection range of 3 to 450 cm and a small blind zone, it delivers reliable readings even in tight spaces. It features a 3-axis accelerometer 🧭 and NTC temperature sensor 🌡️ to monitor device orientation and environmental conditions like fire or overheating.
Built with an IP67 waterproof enclosure 💧 and damp-proof coating, the EM400-MUD withstands harsh outdoor use. Powered by two replaceable 9000 mAh batteries 🔋, it offers up to 10 years of maintenance-free operation.
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Key Features
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📏 Wide Detection Range – Measures from 3 to 450 cm with high precision.
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🗑️ Multiple Application Modes – Suitable for bin monitoring, parking management, and standard distance measurement.
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🌡️ Environmental Monitoring – NTC sensor detects sudden temperature changes; accelerometer senses tilt or movement.
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💧 Durable Design – IP67 housing resists water, dust, and impact.
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🔋 Long Battery Life – Up to 10 years of continuous operation with dual 9000 mAh cells.
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📲 NFC Configuration – Easy one-touch setup using the Milesight ToolBox app.
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📡 LoRaWAN® Connectivity – Ultra-long-range communication (up to 15 km LOS), compatible with all major gateways.
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Technical Specifications
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Range: 3–450 cm
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Accuracy: ±(1 + 0.3% × S) cm
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Resolution: 1 mm
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Beam Angle: 60°
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Temperature Range: -40°C to +125°C 🌡️
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Power: 2 × 9000 mAh Li-SOCl₂ batteries 🔋
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Battery Life: Up to 10 years
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Ingress Protection: IP67 💧
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Wireless: LoRaWAN® Class A, EU868
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Tx Power: 16 dBm | Sensitivity: -137 dBm
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Configuration: NFC / Downlink 📲
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Package Includes
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1 × EM400-MUD Sensor
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2 × 9000 mAh Batteries
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1 × Quick Start Guide
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1 × Warranty Card
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Product Downloads
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Product Video
- Device Type: LoRaWAN® Ultrasonic Distance/Level Sensor
- Measurement Type: Ultrasonic Distance Measurement
- Measurement Range: 0.3m to 4m (Ultrasonic)
- Measurement Accuracy: ±1% FS (Full Scale)
- Frequency Band: EU868 MHz
- LoRaWAN® Protocol: 1.0.3, Class A
- LoRa® TX Power: Up to 16 dBm (Adjustable)
- LoRa® Sensitivity: -137 dBm
- Power Supply: 2 x 9000 mAh ER26500 Li-SOCL2 Batteries (up to 10 years lifespan)
- Ingress Protection: IP67 (Outdoor use)
- Operating Temperature: -30°C to 70°C
- Installation: Wall or pole mounting