MegohmmeterModels6501/6503
3
CHAPTER 1
INTRODUCTION
Warning
Thesesafetywarningsareprovidedtoensurethesafetyof
personnelandproperoperationoftheinstrument.
• Readtheinstructionmanualcompletelyandfollowall
safetyinformationbeforeoperatingthisinstrument.
• Safetyistheresponsibilityoftheoperator!
• Testsaretobecarriedoutonlyondeadcircuits!Check
forlivecircuitsbeforemakingresistancemeasure-
ments(safetycheck).
• Thesemegohmmetersareratedfor600VCATIIor
300VCATIII-PollutionDegree2.
• TheMegohmmeterModels6501/6503aresources
ofhighvoltage,asisthesampleconnectedtothem.
Allpersonsperformingorassistinginthetestsmust
employallsafetyprecautionstopreventelectrical
shocktothemselvesandtoothers.
• AEMC
®
Instrumentsconsiderstheuseofrubbergloves
tobeanexcellentsafetypracticeeveniftheequipment
isproperlyoperatedandcorrectlygrounded.
• Whentestingcapacitancesamples,makesurethat
theyhavebeenproperlydischargedandthattheyare
safetotouch.Dielectricinsulationsamplesshouldbe
short-circuitedforatleastvetimestheamountoftime
theywereenergized.
• Usetheleadssuppliedwiththemegohmmeter.If
defectiveorused,replacebeforetesting.