Water leak detector WLD-ECHO, 2 WLD zones, audible alarm, relay output, plain unit without accessories - HW group 600938

Not every plant room has a network connection, but every one needs early warning of water. WLD-ECHO watches two zones of sensing cable up to 185 m, raises a local audible and visual alarm and runs for 2-3 years on two AA alkaline batteries without external power.

Benefits

• Two separate zones: Two WLD zone inputs for Type A and B sensing cables. Zone 2 can be disabled when not in use.
• Local and remote alarm: Audible and visual alarm plus a galvanically isolated relay output (24 V DC, 500 mA) for security panels or monitoring systems.
• Independent of mains power: 2x AA alkaline batteries last 2-3 years with a low battery warning, or use 12 V DC at 20 mA.
• Supervised wiring: LEDs show OK, flood and disconnected, and the unit also reports unplugged or damaged sensing cables.
• No standing water needed: A few drops of conductive liquid on the sensing cable are enough to trigger the alarm.

Applications

• Server rooms and rack rows: leaks at cooling units and below cable trays
• Data centres: raised floors and spaces above suspended ceilings
• Liquid cooling: monitoring below CDUs, manifolds and quick-disconnect couplings
• HVAC, chillers and condensate lines
• Boiler rooms, basements and plant rooms without a network connection
• Connection to alarm systems via dry contact

Compatibility

• WLD-Sensing cable A and WLD-Sensing cable B
• WLD-Connecting cable AB (HW group 600924) and WLD-Extension cable AB (HW group 600925)
• Alarm panels and monitoring systems with dry-contact inputs