NarrowBand IoT monitoring unit for SensDesk for water leak detection cable. DIN rail and rack mount compatible (with accessories).

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Brand: HW-Group

The NB-WLD Narrowband IoT Water Leakage Detector can detect water leaks using a moisture-sensing cable which can be up to 85m in length. The total cable run can be extended to 185m using an 85m sensing cable and a 100m connecting cable. The sensing cable is very sensitive and can detect conductive liquid droplets and can be used to detect condensation and prevent damage from small water leaks and adverse environmental conditions. The NB-WLD is powered by an external power source and has an internal battery (2year life). The device can be monitored using the SensDesk portal, and the portal configured to send email alerts to a distribution list when there is a water leakage alarm. Text messages (SMS) can also be sent via SensDesk or an email-to-SMS text service.

NB-WLD Set Kit

The NB-WLD is supplied with a power adapter and a 2+2m water leakage detection cable.

Key Features

  • Protocols: COAP and DTLS
  • Power: 5Vdc or battery
  • Simple installation and supports DHCP
  • Embedded WEB server
  • Security protected with a password
  • Works with the SensDesk Cloud portal


  • Leaking pipe detection (cable wrapped along the pipe)
  • Flood detection in an area: WLD detection cable can be laid along the walls in a room
  • Under raised floors leakage detection
  • Above suspended ceilings leakage detection
  • Detection of water leaks in drip trays
  • Detection of water leaks under air-conditioning outlets
  • Detection of a water flood in a freezing or cooling plant



User manual for NB-WLD

Flyer of NB-WLD

Additional information


Plain unit, Total set(Tset)





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