Submersible Water Level Sensor


SWL Sensor SWL Sensor SWL Sensor SWL Sensor
SWL Sensor SWL Sensor SWL Sensor SWL Sensor

Submersible Water Level Sensor


EM500-SWL is designed to measure the tank level or open water applications while fully submersed in liquid. It is robust and sealed to prevent corrosion and failure.

SWL Sensor

Customizable measuring range up to 200 m

Submersible pressure sensor not affected by foam, wind, or rain

IP67 full sealed plastic waterproof design (Transceiver is not included)

Measuring medium: water (customizable for oil and other non-corrosive media)

Smart Water Management >>>

In recent years, significant strides have been taken to implement IoT-based monitoring solutions in various areas such as liquid level measurement. Take water level in wells as an instance, monitoring and measuring the level with IoT-based system will protect users from running into serious problems such as water outages.

Smart Water Management
Smart Gasoline Management

Smart Gasoline Management >>>

Faced with increasing challenges, enterprises are continuously trying to deploy IoT technology into gasoline level monitoring and measurements to detect real-time accurate gasoline volume despite wide temperature swings, rough handling and harsh environments.

Cloud Web & APP

Cloud Web & APP:

EM500-SWL Sensor works perfectly with Milesight IoT Cloud (Web & App), which allows you to monitor your data in the office or on the go. With a drag-and-drop experience, Milesight IoT Cloud provides rich features such as intuitive widgets, triggers, sharing and transfer ownership of devices, layers, etc.

LoRaWAN Wireless Transmission

Ultra-low power consumption and easy deployment

Built-in 19000 mAh high-capacity battery can be used for 10 years.

Ultra-low power

Simple and Easy to Use
Configure Your Device via NFC

Turn on NFCTurn on NFC and attach
the sensor to the NFC area
Configure your sensorConfigure your sensor


Tx Power20dBm
Sensitivity-147dBm @300bps
ModeOTAA/ABP Class A
MeasurementRange3m/5m/10m H2O (Customizable up to 200m)
Accuracy±0.5% FS
Physical CharacteristicsProbe LengthAt least should be 1-1.5m longer than measuring range
Power Supply19000 mAh Li-SOCL2
Operating TemperatureTransceiver: -30°C to +70°C
Pressure Sensor: -10°C to +60°C
Ingress ProtectionIP66 (IP67 as required)
Dimension105.4 × 71 × 69.5 mm (Probe and cable are not included)
MountingDIN rail, wall

Selection Guide

SeriesPictureModelMeasuring RangeDescriptions
EM500-SWLSelection GuidEM500-SWL-L0033m19000 mAh Li-SOCl2 battery
NFC enabled
Customizable measuring range up to 200m, cable should
be 1m longer than measuring range (customized cable length available)

Business Type

Ordering Info