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ST VA40 - Symbols; Instructions

ST VA40
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6000 COUNTS DIGITAL MULTIMETER
USER'S MANUAL
4
voltage pulses at the test points can damage the multimeter. Use of a TV filter will attenuate any such pulses.
* Use just one 6F22 battery, properly installed in the Meter's battery case, to power the Meter.
* Replace the battery as soon as the battery indicator (
) appears. With a low battery, the Meter might produce false
readings that can lead to electric shock and personal injury.
* Do not measure voltages above 1000V in Category III, or 600V in Category installations.
* When in REL mode, the REL” symbol is displayed. Caution must be used because hazardous voltage may be
present.
* Do not operate the Meter with the case (or part of the case) removed.
1.2 Symbols:
Symbols used in this manual and on the instrument:
components.
~
AC (Alternating Current)
DC (Direct Current)
AC or DC
Double insulated
Fuse
1.3 Instructions
* Remove test leads from the Meter before opening the Meter case or battery cover.
* When servicing the Meter, use only specified replacement parts.
* Before opening up the instrument, always disconnect from all sources of electric current and make sure you are not
charged with static electricity, which may destroy internal components.
* Any adjustment, maintenance or repair work carried out on the meter while it is live should be carried out only by