Milesight EM300-MLD LoRaWAN® Membrane Leakage Detection Sensor (EU868)

Milesight EM300-MLD LoRaWAN® Membrane Leakage Detection Sensor (EU868)

• Sensitive Leak Detection with Membrane
• IP67 Waterproof Rating for Durability
• Data Storage and Retransmission
• LoRaWAN® Connectivity for Reliable Communication
• Milesight D2D Communication
• Prolonged Performance: 10-Year Battery Life

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Product Description

The Milesight EM300-MLD Membrane Leakage Detection Sensor is a specialized device designed to detect and monitor leaks or breaches in membranes or barriers. This sensor is crucial in various industrial and environmental applications, such as IoT buildings and workplaces, where maintaining the integrity of membranes is essential to prevent contamination or damage.

Key Features

  • Compact Design with Intelligent Insights: Ideal for deployment in residential and commercial environments.
  • Easy Plug-and-Play Installation: Simplifies the monitoring process in challenging locations.
  • Built-in Battery: Equipped with a 4000 mAh ER18505 Li-SOCl₂ battery for ultra-low power consumption.
  • Long Operational Life: Can work for up to 10 years on a single battery.
  • LoRaWAN® Network Compatibility: Enables robust data storage and retransmission over the network to Milesight IoT Cloud.
  • Environmental Protection: Helps prevent pollutant release and untreated wastewater entry into water bodies.
  • Accurate Data Collection and Analysis: Facilitates predictive maintenance and comprehensive process management.

The Milesight EM300-MLD is a versatile and effective solution for ensuring the safety and integrity of membranes in various settings, providing a proactive and cost-effective approach to leakage detection​.

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Wireless Transmission
Technology LoRaWAN®, Milesight D2D
Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Tx Power 16dBm(868 MHz)/20dBm(915 MHz)/19dBm(470 MHz)
Sensitivity -137dBm @300bps
Mode OTAA/ABP Class A
Leakage Detection
Liquid Type Conductive Liquid
Trigger Media 400 × 400 × 0.25 mm Printed Leakage-Detecting Film
(The size can be customizable)
Trigger Condition When the Sensing Film Contact Conductive Liquid
Power On & Off NFC, Power Button (Internal)
Configuration NFC Configuration via Mobile App
Advanced Feature Milesight D2D Controller, Data Storage, Data Retransmission
Physical Characteristics
Cable Length 1000 mm (Customizable)
Power Supply 1 × 4000 mAh ER18505 Li-SOCL2 Battery (Extendable to 2 Batteries)
Battery Life* Up to 10 Years (One hour Leakage per Day, 25°C)
Operating Temperature -30°C~70°C
Relative Humidity 0% to 95% (non-condensing)
Color & Material White Flame, ABS + PC (Retardant)
Ingress Protection IP67
Dimension 105.6 × 85.3 × 27 mm (4.16 × 3.36 × 1.06 in)
Installation Wall Screw Mounting, 3M Tape Mounting, Cable-Tie Mounting

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