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Dragino  |  SKU: WL03A-NB-GE
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Dragino WL03A Series | Cellular Rope Type Water Leak Sensor (NB-IoT)

€79,00
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A professional NB-IoT water leak detection system utilizing sensitive rope-type cables to protect critical infrastructure from flood damage.

  • • Rope Detection: Non-position cable for wide-area ground coverage.
  • • Event Tracking: Logs leak frequency and total duration of events.
  • • Global Connectivity: Uses B1/B3/B5/B8/B20/B28 NB-IoT bands.

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  • Quality Guaranteed: All professional IoT hardware is backed by a 2-year manufacturer warranty and technical support from our engineering experts at shopioT.

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Description

The Dragino WL03A-NB is an advanced water leak controller designed for high-reliability environments such as data centers, warehouses, and industrial piping galleries. Unlike point-source sensors, the WL03A utilizes a sensitive rope-type leak cable that can be laid across large floor areas to detect moisture at any point along its length. Upon contact with water, the controller immediately triggers an uplink to the IoT server via NB-IoT networks, providing real-time alerts. It also calculates the duration of each leak event and maintains a count of occurrences, ensuring facility managers have a complete history of site safety.

Reliable Flood Mitigation

Instant Alarm Uplink In addition to periodic heartbeats every 2 hours, the device sends an immediate uplink the moment a leak is detected for rapid response.
Remote Configuration Fully manageable via Bluetooth (BLE) for local setup or through downlink commands and wireless OTA updates for remote maintenance.

Professional Safety Scenarios

• Data Centers (IDC): Monitor under-floor AC units and water-cooled server racks for condensation or pipe leaks.
• Smart Buildings: Deploy in elevator shafts, basements, and utility rooms to prevent structural water damage.
• Industrial Piping: Wrap around critical joints and valves to identify leaks before they lead to system failure.

Dragino Power Options

• Model NB: 8500mAh Non-rechargeable battery for long-term monitoring.
• Model NB2: High-capacity 19000mAh battery for maximum deployment life.
• Model NS: 3000mAh Solar-powered rechargeable battery for maintenance-free use.

What is in the Box?

• 1 x Dragino WL03A-NB Controller
• 1 x 1-Meter Water Leak Cable (Standard)
• 1 x Quick Start Guide

Product Certifications

CE FCC RoHS

Specifications
  • Primary Communication Protocol
    NB-IoT
  • Frequency/Region
    Global
  • Antenna Type
    External (SMA)
  • Configuration Method
    Bluetooth, USB, Downlink
  • Activation Method
    Plug & Play
  • Environment Rating
    Outdoor, Industrial
  • IP Rating
    IP66
  • Operating Temperature
    -40°C to 85°C
  • Enclosure Material
    PC (Polycarbonate)
  • Battery Type
    Li-SOCl2, Li-ion
  • Battery Capacity
    3000mAh, 8500mAh, 19000mAh
  • Power Consumption
    Sleep: 15uA, NB-IoT Transmit: 250mA (max)
  • Measurement Technology
    • Sensing Method: Resistance change via conductive leak cable
    • Cable Type: None-Position Rope Type water leak cable
  • Measurement Range
    • Cable Length: Supports up to 100 meters (new value)
    • Standard Options: 1m, 5m, and 10m cable lengths available
  • Measurement Accuracy
    • Reliability: Event-driven reporting and periodic heartbeat every 2 hours
    • Data Integrity: Datalog feature stores up to 3,000 records with timestamps
  • Measurement Resolution
    • Event Analysis: Reports total leak count and last leak duration
    • Update Mode: Supports wireless OTA update for firmware management
  • Monitoring Parameters
    Water Leak (Zone/Rope)

Document Library

WL03A Datasheet

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