MLS-SNSR-SWL specification sheet

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Overview:

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 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

Specifications:

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Specifications
Product Code	MLS-SNSR-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 x 71 x 69.5 mm (4.1 x 2.8 x 2.7 in)
	Level Sensor: 140 x ф28 mm (5.5 x ф1.1 in)
Installation	Pole, wall or DIN Rail Mounting
Approvals
Regulatory	CE, FCC, RoHS