Milesight EM500-SWL Submersible Water Level Sensor – Up to 3m

EM500-SWL is designed for measuring liquid level in harsh environments and transmitting data using LoRaWAN® technology. With this low power consumption technology, EM500-SWL can work up to 10 years with 19000 mAh battery. Combining with Milesight LoRaWAN® gateway and Extranet Systems IoT cloud solution, users can manage all sensor data remotely and visually. EM500-SWL is widely used for applications like tank level monitoring, river level monitoring, etc.

KEY FEATURES

Stainless probe with corrosion resistance
Ultra-wide-distance transmission up to line of sight of 10km
IP67 waterproof enclosure for harsh environment applications
Built-in 19000 mAh replaceable battery and work for 10 years without replacement
Equipped with NFC for easy configuration
Compliant with standard LoRaWAN ® gateways and network servers

APPLICATIONS

Water tank level monitoring
Water resource level monitoring
ISO tank level monitoring
Waste water tank monitoring
Oil store tank level monitoring

Specifications

Wireless Transmission
– Technology: LoRaWAN®
– Frequency: EU868
– Tx Power: 16dBm(868)
– Sensitivity: -137dBm @300bps
– Mode: OTAA/ABP Class A

Measurement
– Pressure Type: Gauge Pressure
– Range: 0 ~ 3m/5m/10m (H2O) (Customizable up to 200 m and for other liquids)
– Accuracy ± 0.5% FS
– Resolution 0.01 m

Operation
– Power On & Off: NFC, Power Button (Internal)
– Configuration: Mobile App(via NFC) or PC software(via USB Type-C)

Physical Characteristics
– Cable Length At least 1-1.5m longer than measuring range
– Power Supply: 19000 mAh Li-SOCL2 battery (ER34615)
– Battery Life*: 10 years (10 min interval)
– Operating Temperature: -30°C to +70°C (Transceiver)/-10°C to +60°C (Level Sensor)
– Relative Humidity: 0% to 100% (non-condensing)
– Ingress Protection: IP67 (Transceiver)/IP68(Level Sensor)

Dimension
– Transceiver: 105.4 × 71 × 69.5 mm (4.1 × 2.8 × 2.7 in)
– Level Sensor: 122 × ф26 mm (4.8 × ф1.0 in)

Installation Pole, wall or DIN Rail Mounting

Approvals
– Regulatory: CE, FCC, RoHS