Page 6
Symbols
The following symbols are used on the instrument and in this manual:
WARNING - risk of electric shock.
mains earth (ground)
CAUTION - refer to accompanying
documentation; incorrect operation may
damage the meter.
Protective Earth terminal
CAT II
Measurement Category II. Inputs may be
connected to AC mains power under
Category II overvoltage conditions
direct current
alternating current
CAT III
Measurement Category III. Inputs may be
connected to AC mains power under
Category III overvoltage conditions
Standby supply. Instrument is
not disconnected from AC
mains power when switch is off.
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