Milesight Submersible Water Level Sensor


Measure tank levels or open water applications with the Submersible Water Level Sensor from Milesight.

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Remotely monitor fluid levels with the EM500-SWL submersible water level sensor from Milesight.

Ideal for applications such as: Water tank level monitoring, Water resource level monitoring, ISO tank level momitoring, Waste water tank monitoring and Oil store tank level monitoring. The EM500-SWL submersible water level sensor features a stainless probe which is resistant to corrosive materials making it ideal for use in harsh environments.

With a customisable measuring range of up to 200m, the sensor can be used in hard to reach areas and is particularly useful in flood alerts. Compatible with Milesight’s IoT Cloud Solution, users of this submersible water level sensor care able to easily visualise and manage all sensor data wherever they may be.


  • LoRaWAN® Certified
  • Stainless probe with corrosion resistance
  • Wireless range of up to 10km (depending on environment)
  • 1m – 1.5m long cable
  • Equipped with NFC for easy configuration
  • Suitable for pole, wall or DIN Rail Mounting


Dimensions 105.4 x 71 x 69.5 mm (Transceiver)
140 x ф28 mm (Level Sensor)
Operating temperature -30°C to 70°C (Transceiver)
-10°C to 70°C (Level Sensor)
Humidity 0 to 100% RH (non-condensing)
Expected battery life >10 years (depending on configuration and environment)
Wireless Technology LoRaWAN® Class A

Key documents & information

  • Milesight EM500-SWL Submersible Water Level Sensor Datasheet
  • Milesight EM500 Series User Guide
  • Discounted Trade Pricing: Contact us for trade pricing, to place an order or to discuss your IoT projects.

    All of our products are available to customers throughout Europe. For more information on shipping costs, trade pricing and lead times, please contact our team.

    Our technical sales team are also happy to advise customers on the best LoRaWAN® solution for their specific applications on an individual project basis.

    Our experts are on hand to help you every step of the way
    Lets talk

Additional information

Dimensions 105.4 × 71 × 69.5 mm



Environmental Protection

IP67 Rated

Measurements Taken

Power Source




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