9
IM MY600-01EN
Check the Physical Appearance
Do not use the instrument if there is a problem with its
physical appearance.
During Insulation Resistance Measurement
A high voltage is present at the probes during insulation
resistance measurement. Do not touch the DUT or the
earth or line terminal.
Immediately After Insulation Resistance Measurement
The probes or the DUT may remain highly charged.
Do not touch them immediately after the completion of
measurement.
Measure Properly
• Donotapplyavoltagethatexceeds600V(voltageto
ground) to the instrument.
• Donotapplyavoltageexceedingtheupperlimit.
Measurement Category
ThisinstrumentisratedtoCATIII600V.Donotusethe
instrument in locations that exceeds this category.
Probes
• UsethededicatedprobessuppliedbyYokogawafor
this instrument.
• Donotuseprobesthathavedeterioratedorare
defective.
• RemovetheprobesfromtheDUTbeforeattaching/
detaching the probes to/from the instrument.
Case Insulation
Donotusetheinstrumentifithasbeensubjectto
strong shock as a result of dropping it or hitting it against
anotherobject.Theshockcandestroytheprotective
insulation. Contact your nearest YOKOGAWA dealer for
repairs.