WS303 Mini Leak Detection Sensor
WS303 is a compact LoRaWAN® mini leak detection sensor designed for quick and easy water leakage monitoring. It detects conductive liquids with high sensitivity, features a built‑in buzzer for local alarm, and supports remote alerts via mobile App. With ultra‑low power consumption, IP67 waterproofing, NFC configuration, and D2D direct control, it provides wire‑free, maintenance‑free protection for homes, offices and small spaces.
Product Features
| Leak Sensor Technical Parameters | |
|---|---|
| Parameter | Specification |
| Detection | Conductive liquid, trigger at >1.5cm soaking length |
| Sensing film | 400×400×0.25mm (customizable) |
| Operating temp | -30°C~70°C |
| Protection | IP67 |
| Power | 4000mAh battery, up to 10 years |
| Connectivity | LoRaWAN® Class A + D2D |
| Configuration | NFC |
| Installation | Wall screw, 3M tape, cable tie |
Application scenarios
Ideal for water leakage detection in smart homes, offices, buildings, kitchens, bathrooms, server rooms, and other small spaces requiring simple and reliable protection.
Application Case
Seat Ghosting: Students reserve seats with personal belongings, leading to unfair and inefficient use of limited study spaces.
Space Shortage: Growing student population increases demand for study areas, making equitable access a challenge.
Lack of Real-Time Visibility: No digital monitoring means staff cannot track actual seat usage or identify underutilized areas.
Manual Management Burden: Manual inspections and user reports cause delays, inconsistent data, and limited ability to optimize space utilization.
Deploy a LoRaWAN®-powered smart library IoT solution for multi-dimensional monitoring and management:
VS341 Desk & Seat Occupancy Sensors: Precisely detect active seat usage at each study desk/cubicle.
VS121/VS13x/VS351 Occupancy & Counting Sensors: Monitor real-time headcount and crowd density in public study zones and stairways.
AM308/AM103 Indoor Air Quality Sensors: Continuously track temperature, humidity, CO₂, and VOC levels to maintain a healthy environment.
EM300-ZLD/MLD Leak Detection Sensors: Installed in archives to detect water risks and protect valuable books/materials.
WS301 Magnetic Contact Switches: Monitor emergency exit door status for enhanced security.
UG65 LoRaWAN® Gateways: Form a campus-wide, scalable wireless backbone to connect over 200 study spaces.
Sharp Peak Optimus IoT Platform: Integrates all sensor data, provides 3D floor plan visualization, automated alerts, and intelligent reporting.
Result: Eliminates seat ghosting and optimizes space utilization; provides real-time visibility into seat occupancy and crowd density; automates environmental, water leak, and security monitoring; reduces manual management workload while improving operational efficiency and user experience.
EM300-SLD/ZLD
Leak Detection Sensor
EM300-MLD
Membrane Leakage Detection Sensor
