
SFF8639TestAdapterUserManual(Preliminary)
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©2014WilderTechnologies,LLC
DocumentNo.910‐0034‐000Rev.A(Preliminary)
GeneralTestAdapter,Cable,andConnector
Observingsimpleprecautionscanensureaccurateandreliablemeasurements.
HandlingandStorage
Beforeeachuseofthe8639‐TPA,ensurethatallconnectorsareclean.Handleallcables
carefullyandstorethe8639‐TPAinthefoam‐linedinstrumentcasewhennotinuse,ifpossible.
Donotsetconnectorscontactenddown.InstalltheSMAprotectiveendcapswhenthe
8639‐TPA
isnotinuse.
VisualInspection
Besuretoinspectallcablescarefullybeforemakingaconnection.Inspectallcablesfor
metalparticles,scratches,deformedthreads,dents,orbent,broken,ormisalignedcenter
conductors.Donotusedamagedcables.
Cleaning
Ifnecessary,cleantheconnectorsusinglow‐pressure(lessthan60PSI)compressedairor
nitrogenwithaneffectiveoil‐vaporfilterandcondensationtrap.Cleanthecablethreads,if
necessary,usingalint‐freeswaborcleaningclothmoistenedwithisopropylalcohol.Always
completelydryaconnectorbeforeuse.Do
notuseabrasivestocleantheconnectors.Re‐
inspectconnectors,makingsurenoparticlesorresidueremains.
MakingConnections
Beforemakinganyconnections,reviewthe“CareandHandlingPrecautions”section.Follow
theseguidelineswhenmakingconnections:
Aligncablescarefully
Makepreliminaryconnectionlightly
Totighten,turnconnectornutonly
Donotapplybendingforcetocable
Donotover‐tightenpreliminaryconnections
Do
nottwistorscrew‐incables
Useanappropriatelysizedtorquewrench(dependsonSMAgender),anddonottighten
pastthe“break”pointofthetorquewrench(normallysetto5in‐lbs)
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