Fluke 324 Fluke 320 True RMS Clamp Meters - Manual - Page 12

Table 1. Symbols cont., Symbol, Meaning, CAT III, from HAZARDOUS LIVE - accessories

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323/324/325 Users Manual Table 1. Symbols (cont.) Symbol Meaning Symbol Meaning M Battery Application around and removal , from HAZARDOUS LIVE conductors is permitted. CAT III CAT III equipment is designed to protect against transients in equipment in fixed equipment installations, such as distribution panels, feeders and short branch circuits, and lighting systems in large buildings. CAT IV CAT IV equipment is designed to protect against transients from the primary supply level, such as an electricity meter or an overhead or underground utility service. Note The Measurement Category (CAT) and voltage rating of combinations of test probes, test probe accessories, current clamp accessories, and the Product is the LOWEST rating of individual components. 8

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323/324/325
Users Manual
8
Table 1. Symbols (cont.)
Symbol
Meaning
Symbol
Meaning
M
Battery
,
Application around and removal
from HAZARDOUS LIVE
conductors is permitted.
CAT III
CAT III equipment is designed to
protect against transients in
equipment in fixed equipment
installations, such as distribution
panels, feeders and short branch
circuits, and lighting systems in
large buildings.
CAT IV
CAT IV equipment is designed
to protect against transients
from the primary supply level,
such as an electricity meter or
an overhead or underground
utility service.
Note
The Measurement Category (CAT) and voltage rating of combinations of test
probes, test probe accessories, current clamp accessories, and the Product is the
LOWEST rating of individual components.