Sequoia Announces the Release of the HWg -WLD Water Leak Detector

New HWg-WLD: Water leak detector - network-enabled water leak detector, detection with water-absorbing cable. Web server, SNMP, sends e-mail when flooded.

After much success with similar IP based temperature and humidity devices we're pleased to offer a new IP based water leak detector to our portfolio.

The HWg -WLD is able to detect water or other conductive liquid and then raise an alarm before the leak/flood becomes a costly problem. The device features a built -in Web server with SNMP support and e -mail alerts, plus can control remote relay outputs over IP (switch remote relay ON/OFF if water leak is detected).

We believe there are many uses for this type of device for example: -

Comms Rooms


Freezer Applications

Boiler or Air Conditioning Rooms

Building Management

NHS Applications

Residential Use

Typical applications can involve monitoring of coolant piping in air conditioning systems or water detection around technical areas. The water leak sensing cable is extremely versatile and can be wrapped around the piping, suspended under the piping, or laid on the bottom of a pipe duct.

The sensing cable detects as little as a few drops of the liquid and can be used to detect condensation. The WLD detection cables can be in lengths of 2+2m, 2+10m or 2+50m, after flooding the cable can be dried and reused.

Basic Features
Ethernet: RJ45 (100BASE -T)

Web: Built -in web server

M2M communication protocols: SNMP, XML, Box -2 -Box

Remote output: When a water leak is detected, a remote relay is activated over the network (any Poseidon / Damocles)

Water flood detector: 2 m (6.5 ft) leader cable + 0.4 m (1.3 ft) sensing cable

The sensing cable detects even the smallest volume of water, ethylene glycol, or other conductive liquid

The detection cable is reusable

The detection cable can be supplied in custom lengths


Mains Power adapter (UK or EU)

PoE (IEEE 802.3af) + power adapter (depending on type)

Supported software

UDP Config - IP address configuration and detection (with DHCP)

HWg -PD Trigger: Controls other IP devices, redirects alarms to SMS

HWg -PDMS: Logging of values, graphs, export to MS Excel, reports

CapTemp: Visualization on a map, control of outputs, alarm redirection to SMS

For programmers: HWg -SDK contains interface descriptions and examples of using M2M protocols in several programming languages. (JAVA, PHP, Borland C++ Builder 6.0, Microsoft Visual C++ 6.0, Borland Delphi 6.0, Microsoft Visual Basic & Excel VBA, VB.NET, C code for Linux, JavaScript (AJAX) Microsoft Visual C# 2005 (.NET))

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