AEMC 6471 - International Electrical Symbols; Definition of Measurement Categories; Receiving Your Shipment

Ground Resistance Tester Model 6471 7
1.1 International Electrical Symbols
Signifies that the instrument is protected by double or reinforced insulation.
This symbol on the instrument indicates a WARNING that the operator must
refer to the user manual for instructions before operating the instrument. In
this manual, the symbol preceding instructions indicates that if the instructions
are not followed, bodily injury, installation/sample and/or product damage may
result.
Risk of electric shock. The voltage at the parts marked with this symbol may be
dangerous.
Ground/Earth symbol
In conformity with WEEE 2002/96/EC
1.2 Definition of Measurement Categories
CATII: For measurements performed on circuits directly connected to the electri-
cal distribution system. Exa
mples are measurements on household appli-
ances or portable tools.
CATIII: For measurements performed in the building installation at the distribu-
tion level such as on hardwired equipment in xed installation and circuit
breakers.
CATIV: For measurements performed at the primary electrical supply (<1000V)
such as on primary overcurren
t protection devices, ripple control units, or
meters.
1.3 Receiving Your Shipment
Upon receiving your shipment, make sure that the contents are consistent with the
packing list. Notify your distributor of any missing items. If the equipment appears
to be damaged, le a claim immediately with the carrier and notify your distributor
at once, giving a detailed description of any damage. Save the damaged packing
container to substantiate your claim.
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