Fluke 373 User Manual page 9

373
Users Manual
Symbol
CAT III
,
6
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Meaning
IEC Measurement Category III
CAT III equipment has protection
against transients in equipment in
fixed-equipment installations, such
as distribution panels, feeders and
short branch circuits, and lighting
systems in large buildings.
Application around and removal
from HAZARDOUS LIVE
conductors is permitted.
The Measurement Category (CAT) and voltage rating of any combination of test probe,
test probe accessory, current clamp accessory, and the Meter is the LOWEST rating of
any individual component.
GlobalTestSupply
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Symbol Meaning
IEC Measurement Category IV
CAT IV equipment has protection
against transients from the primary
CAT IV
supply level, such as an electricity
Meter or an overhead or
underground utility service.
Note
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sales@GlobalTestSupply.com