Mini Leak Detection Sensor : WS303 | Milesight

The WS303 is a water leak detection sensor that uses LoRaWAN technology to transmit real-time alarms. It features a replaceable 590mAh battery with up to 5 years of life, and an IP67 waterproof enclosure for use in harsh environments. The sensor can be easily configured via NFC and is compatible with standard LoRaWAN gateways and network servers.

Advantages :

• Detects the presence of conductive liquids using a small water probe
• Replaceable built-in 590mAh battery with up to 5 years of life
• IP67 waterproof enclosure for harsh environment applications
• Real-time alarming with embedded buzzer
• Supports Milesight D2D protocol for ultra-low latency and direct control without gateways
• Easy configuration via NFC
• Compatible with standard LoRaWAN® gateways and network servers
• Quick and easy management with Milesight IoT Cloud solution

Main Features :

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 × 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 × 63 × 14 mm
• Material & Color: ABS+PC, White
• Installation: 3M Tape Mounting, Desktop

Applications :

• Smart Offices
• Smart Buildings
• Smart Homes