Precision Loop Calibrator
Symbols
5
Table 1. Symbols (cont.)
Battery.
Double insulated
CAT II
Measurement Category II is
applicable to test and measuring
circuits connected directly to
utilization points of low voltage
mains installation.
CAT III
Measurement Category III is applicable to test and
measuring circuits connected to the distribution part of
the building’s low-voltage MAINS installation.
CAT IV
Measurement Category IV is applicable to test and measuring circuits connected at the source of the
building’s low-voltage MAINS installation.
The CAT ratings apply to the handheld accessories only. The Product is rated to 30 V maximum.
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