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 Milesight 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.

 

Features

• Stainless probe with corrosion resistance.
• Ultra-wide-distance transmission up to a 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.
• Quick and easy management with Milesight IoT Cloud solution.

 

Applications

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

Product Specification

Download EM500-SWL Specification in PDF [ENG]

Model	EM500-SWL
Wireless Transmission
Technology	LoRaWAN®
Frequency	CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Tx Power	16dBm(868)/20dBm(915)/19dBm(470)
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
Long-term Stability	≤ ± 0.3% FS/year
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 +70°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: 140 × ф28 mm (5.5 × ф1.1 in)
Installation	Pole, wall or DIN Rail Mounting
Approvals
Regulatory	CE, FCC, RoHS