User Manual

Finding Opens
Applicationsincludelocatingdeadcircuits,findingthesourceofanopen(brokenpoint)in
ahot/neutral/groundconductor,anddeterminingtheendofacircuitrun.
1) Connectthetransmittertotheopencircuitandpoweriton.
2) Turnonthereceiverandusethedefaultmaximumsensitivity.
3) Startingseveralfeetfromthetransmitter,useasweepingmotionandthebackofthe
receivertofindthestrongestsignallocationbehindthewall,abovetheceilingor
underthefloor.
 a) Ifthesignalistoostrong,reducethesensitivityrange.
 b) Ifthesignalistooweak,connectoneleadofthetransmitterintotheopenconductor
andconnecttheotherleadtoaremotereturnpath.Then,repeatstep#3.
4) Continuefollowingthehighestreadinguntilthesignalstartstofalloff.Thisisthe
locationoftheopen.Reducethesensitivityrangeandusethenoseofthereceiverto
pinpointtheopenonthecircuit.
Iftheopenisnotfoundaftertracingthelengthoftherun,theconductormaybecapacitively
coupled.Thisconditioncausesasignalbleed-offontotheotheradjacentconductors.To
removethiseffect,groundtheadjacentconductorsandminimizethedistancebetweenthe
transmitterconnectionandtheopen.
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SeparateCircuit