
Phase&MotorRotationTesterModel6609
3
CHAPTER 1
INTRODUCTION
Warning
• ThisinstrumentcomplieswithsafetystandardIEC61010-1,Ed
2ofFebruary2001.
• Foryourownsafety,andtopreventanydamagetoyourinstru-
ment,youmustfollowtheinstructionsgiveninthismanual.
• This instrument can be used on CAT III electrical circuits not
exceeding600Vwithrespect to earth.Itmustbeused indoors,
inanenvironmentnotexceedingpollutionlevel2,atanaltitude
ofnotmorethan2000m.Theinstrumentcanthereforebeused
incompletesafetyon400Vthree-phasenetworksinanindustrial
environment.
• Forsafetyreasons,youmustuseonlymeasurementleadshaving
avoltageratingandcategoryatleastequaltothoseoftheinstru-
mentandcompliantwithstandardIEC61010-031.
• Donotuseifthecoverofthebatterycompartmentismissingorif
thehousingisdamagedornotcorrectlyclosed.
• Donotplaceyourngersnearunusedterminals.
• Iftheinstrumentisusedother than as specied in this manual,
theprotectionprovidedbytheinstrumentmaybeimpaired.
• Donotusethisinstrumentifitseemstobedamaged.
• Checktheintegrityoftheinsulationoftheleadsandofthehous-
ing.Replacedamagedleads.
• Beprudentwhenworkinginthepresenceofvoltagesexceeding
70Vdcor33Vrmsand46.7Vpp;suchvoltagescancauseariskof
electrocution.Theuseofindividualprotectionsisrecommended
in some cases.
• Alwayskeepyourhandsbehindthephysicalguardsoftheprobe
tipsoralligatorclips.
• Alwaysdisconnectallleadsfromthemeasurementandfromthe
instrumentbeforeopeningthehousing.