Series WD and WD2


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Series WD and WD2

  1. 1. Series WD2 and WD Leak Detectors The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific, written prior permission from Dwyer Instruments, Inc. ©Copyright 2011 Dwyer Instruments, IncUpdate 10/09
  2. 2. Leak DetectorsLeaking fluid lines and flooding can causedamage to equipment, infrastructure,inventory, and/or recordsNeed: Get early detection of problems Protect Equipment Reduce financial risk Minimizes downtime
  3. 3. WD2WD2Point leak detectionWill alarm when liquidtouches the bottom of thedeviceHas switch outputs andoptions for audible andvisual LED alarms
  4. 4. WD2 ModelsBattery Model: WD2-BP2 Visual and audible alarm Solid State Relay output
  5. 5. WD2 Models11 – 27 VAC/DC Powered Models: WD2-LP-D2 DPDT relay WD2-LP-D1 DPDT relay, Audible alarm WD2-LP SPDT relay, Audible alarm
  6. 6. Mounting Bracket A-154For mounting in drainor drip pansRaises the unit up to adesired level to avoidnuisance alarmsHeight of indicationcan be adjusted
  7. 7. ApplicationCondensate Leak Detection Air Handlers, Fan Coil Units, Unit Ventilators Underneath cooling coils in the Primary or Secondary drain pans WD2 shuts off the equipment Second output can alarm the Building Monitoring System.
  8. 8. WD2 AdvantagesFloats Conductivity Probes Difficult to mount Probes are easily Can be easily breakable destroyed or damaged. Can accumulate build-up
  9. 9. ApplicationUnder-floor Air Systems Raised floors serve as the air circulation space (plenum) for heating and cooling. Leak detectors are used to detect leaking from the zone valves that control the water to these systems. Data Centers
  10. 10. WDStrip leak detection –detects anywhere alongthe tape lengthPlace the tape on asurface and it detects viaconductivity of the fluidtouching the tapeTape comes in varyinglengths according toapplication needs
  11. 11. WD FeaturesOutput switches indicate detection ofwater leaksPower and alarm LED’s on the control boxAlarm test switch to verify functionalityTapes can be plugged into each other forextensionsOutput Switch: DPDT rated 1A @ 24VAC/DC For equipment shut down and alarming building monitoring system (BMS).
  12. 12. Application Leak detection for large equipment Furnaces, Boilers, Chillers Tape can cover the whole floor under the equipment
  13. 13. ApplicationUnder the floor in acomputer room ordata center in anoffice buildingWD offers largecoverage area
  14. 14. ApplicationEvaporator pans underrefrigerators, freezers,and air handlersGeneral Utility Roomsin Plants
  15. 15. Application LocationsBelow Grated Flooring Generator Rooms(semiconductor Electrical Cabinetsmanufacturing) Elevator PitsData Cable Wiring ClosetsRaceways/Trays/Troughs Boiler/Furnace RoomsHigh Voltage Vaults Injection MoldingPump and Sump Areas MachinesTelephone Equipment Welding MachinesRooms Utility StructuresRecords Rooms/Vaults (microwave & TV sites)
  16. 16. QuestionsTo order a free catalog or for more information contact; Dwyer Instruments, Inc., P.O. Box 373, Michigan City, IN., 46361 Telephone: (800) 872-9141 or (219) 879-8000 Fax: (219) 872-9057 Internet address: E-mail: