Milesight WS303

Smart Water Leak Detection Solution

Introducing the WS303, a mini water leak detection sensor that detects the presence of leaks and raises alarms locally and remotely. With low power consumption, it can operate for 5 years on a single battery. It's ideal for smart offices, buildings, houses, etc.


WS303 is a tiny and mighty leakage detection sensor for detecting presence of water leaks and transmitting an alarm using LoRaWAN® technology. With this low power consumption technology, WS303 can work up to 5 years with a 590mAh battery. Compliant with Milesight D2D protocol, it can directly link with other Milesight devices to realize danger prevention and effectively prevent unnecessary loss.

The wire-free WS303 can be easily used in smart offices, buildings, and houses. Users can receive real-time alarms via a built-in buzzer locally and a mobile App remotely. Combining with Milesight LoRaWAN® gateway and Milesight IoT Cloud, users can manage all sensor data remotely and visually.

Specifications

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 Condition
Once Liquid Level Reaches 0.5mm



Others


Buzzer
Support

Configuration
NFC Configuration via Mobile App

Advanced Feature
Milesight D2D Controller



Physical Characteristics


Power Supply
1 x 590mAh CR2450 Lithium Battery

Battery Life*
5 years (One hour leakage per week, 25°C)

Operating Temperature
- 10 °C to + 60 °C

Relative Humidity
0% to 100% (Non-condensing)

Ingress Protection
IP67

Dimension
63 x 63 x 14 mm

Material & Color
ABS+PC, White

Installation
3M Tape Mounting, Desktop


* Tested under laboratory conditions and for guideline purposes only.