Milesight EM500-SWL LoRaWAN® Submersible Water Level Sensor - Gauge Pressure (EU868)

Milesight EM500-SWL LoRaWAN® Submersible Water Level Sensor - Gauge Pressure (EU868)

• Not Affected by Foam, Wind, or Rain
• Customizable Measuring Range
• Customizable for Oil and Other Non-corrosive Media
• Impressive IP67 Rated Waterproof Performance
• 10 Years Long Battery Life
• LoRaWAN® Wireless Deployment
• Milesight IoT Cloud
• Easy Configuration via NFC

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Product Description

The EM500-SWL Submersible Water Level Sensor is a state-of-the-art water level monitoring solution from Milesight, designed to deliver high-precision readings in various liquid measurement scenarios. This cutting-edge sensor stands out for its versatility in measuring water levels, ensuring accurate and reliable data collection for a wide range of applications. Equipped with a submersible probe, the EM500-SWL can be fully submerged, offering precise measurements even under challenging environmental conditions. Its robust design is not affected by external factors such as foam, wind, or rain, making it ideal for use in diverse settings.

The EM500-SWL boasts an impressive IP67 waterproof rating, ensuring outstanding performance in wet conditions and safeguarding against dust and temporary submersion. Its customizable measurement range, up to 200 meters, allows it to cater to specific needs, and it's compatible with various non-corrosive liquid types. Powered by LoRaWAN® technology, the sensor ensures secure, long-range data transmission with minimal power consumption, facilitating easy and efficient wireless deployment.

A remarkable feature of the EM500-SWL is its long battery life, which can last up to 10 years, significantly reducing maintenance needs and operational costs. The sensor is also easy to configure via NFC, enabling quick setup and adjustments using a mobile phone or PC. Additionally, it supports cloud-based data management through the Milesight IoT Cloud, providing a comprehensive data visualization dashboard, automatic triggers, regular reports, and real-time alerts, all accessible from Android and iOS apps.

Product Features

  • High Precision Measurement: ±0.5% FS Accuracy with a 0.01 m resolution.
  • Robust Design: Non-clogging, unaffected by foam, wind, or rain.
  • IP67 Waterproof Rating: Ensures performance in harsh environmental conditions.
  • LoRaWAN® Wireless Technology: Enables wide-range, secure, and low-power data transmission.
  • Extended Battery Life: Up to 10 years, minimizing maintenance and costs.
  • NFC Configuration: Simplifies setup and adjustments via mobile or PC.
  • Cloud Data Management: Access to Milesight IoT Cloud for data visualization and management.
  • Versatile Installation Options: Suitable for wall mounting, pole mounting, and DIN rail mounting.
  • Customizable Range: Measurement range customizable up to 200m for diverse applications.
  • Wide Temperature Range: Operational from -30°C to +70°C.

With its advanced features and capabilities, the EM500-SWL is an ideal solution for a broad spectrum of water level monitoring applications, offering precision, durability, and ease of use.

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Wireless Transmission
Technology LoRaWAN®
Frequency EU868
Tx Power 16dBm (868 MHz)
Sensitivity -137dBm @300bps
Work Mode OTAA/ABP Class A
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
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 -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)
Dimensions 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
Regulatory CE, FCC, RoHS

Shipping Policy

We provide worldwide shipping using reliable tracked
shipping services.

Local Shipments within Cyprus

Shipments in Cyprus are performed usually with ACS Courrier
or AKIS Express. In some cases, we might deliver the products ourselves. A pick-up
option from our locations is also available.

International Shipments

International shipments are performed using Express Airway
Shipping Services. We are currently shipping orders with TNT Express and FedEX.
As soon as your shipment is dispatched you will receive the shipment confirmation
including the shipment tracking number which you can use to track your order
from the shipment provider website.

We dispatch orders within 1-3 workdays after the day of the
order placement. 

General Return Policy

We have a 30-day return policy, which means you have 30 days
after receiving your item to request a return.

To be eligible for a return, your item must be in the same
condition that you received it, unworn or unused, with tags, and in its
original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at If
your return is accepted, we’ll send you a return shipping label, as well as
instructions on how and where to send your package. Items sent back to us
without first requesting a return will not be accepted.

For any further information, help and support regarding the
shipping and/or return process you can contact us at:

  • Email:
  • Telephone: +357 22 282828