EM300-MLD-915M - Milesight LoRaWAN AU915/AS923 Membrane Leak Sensor
EM300-MLD-915M - Milesight LoRaWAN AU915/AS923 Membrane Leak Sensor
Features
Minimize Losses from Water Leaks
The EM300-MLD Membrane Leakage Detection Sensor, our newest addition to the water leak detection product line, features a 40 cm x 40 cm detection membrane, ensuring dependable monitoring of water leak, water spillage or floor wetness for both residential and commercial applications.
- 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
Secure Every Inch with Membrane Leakage Detection
Unlike rope or spot leak sensors, the EM300-MLD Membrane Leakage Detection Sensor offers a 40cm x 40cm membrane, enabling it to cover broader areas and effectively detect water leakage.

Durable and Convenient Membrane

Meeting Needs with Custom-Fit Membrane
The membrane of the EM300-MLD can be vertically trimmed to fit specific requirements.

Versatile Protection for Every Space
Designed to meet various needs, the EM300-MLD is suitable for both residential and commercial environments. Whether it's placed under appliances like washing machines and refrigerators or used to monitor floors, roofs and ceilings for potential water leak, water spillage or floor wetness conditions. This sensor provides comprehensive coverage and ensures timely notifications to prevent costly damages.

Robust Data Storage and Retransmission
The EM300-MLD stores up to 1,000 sets of historical data records locally. With data retrieval and retransmission support, it ensures data integrity even during occasional network downtime.

Ultra-Low Power Consumption
The EM300-MLD provides an operational lifespan of up to 10 years using a single battery, with the option to further extend it using two batteries.

LoRaWAN® Based
Penetrating Signals: data transmission range up to 2 km in urban areas and 15 km in rural areas.
High Compatibility: compliant with standard LoRaWAN® gateways and network servers.

Milesight D2D Communication
Milesight D2D (Device to Device) communication protocol featuring LoRa® enables communication among different Milesight LoRaWAN® node devices without a LoRaWAN® gateway.
- Lower Latency
- Less than 1 Second Response Time
- Secure Transmission
- Reduce Investment Cost
Cloud Data Management Milesight IoT Cloud
- Data Visualization Dashboard: All figures in a glance
- Automatic Triggers: Interactive collaboration with Milesight IoT sensors to realize scene-based automation
- Regular Reports & Real-Time Alerts: Data-based insights
- Android & iOS App: Manage devices at your fingertips

Specifications
Technical Specifications
| Brand | Milesight |
|---|---|
| Manufacturer Part Number | EM300-MLD-915M |
| Wireless Transmission Technology | LoRaWAN® |
| Frequency | AU915/AS923 |
| Tx Power | 20dBm |
| Sensitivity | -137dBm @ 300bps |
| Mode | OTAA/ABP Class A |
| Liquid Detection Type | Conductive Liquid (Water, Weak Acid, Weak Base, etc.) |
| Trigger Media | 400 × 400 × 0.25 mm Printed Leakage-Detecting Film(The size can be customizable) |
| Trigger Condition | Soaking Liquid Length > 1.5 cm |
| Power On & Off | NFC, Power Button (Internal) |
| Configuration | NFC Configuration via Mobile App |
| Advanced Feature | Milesight D2D Controller, Data Storage, Data Retransmission |
| 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 |
| Dimensions | 105.6 × 85.3 × 27 mm |
| Installation | Wall Screw Mounting, 3M |
Not happy? Return within 7 days of delivery for a full refund or exchange. Items must be unused and in original packaging. Contact contact@kwtech.co.nz to arrange.
| Brand | Milesight |
|---|---|
| Product Type | B2B - IoT & Industrial |
| Weight | 0.5 kg |
Shipping Information
- Free NZ-wide shipping on orders over $299
- Standard delivery 2–5 business days
- Rural delivery may take an additional 1–2 days
- Same-day dispatch for orders placed before 2pm (weekdays)
Returns Policy
- 7-day returns on unused items in original packaging
- Faulty or damaged products covered under warranty
- Contact our support team to initiate a return



