Voltmaster DMM 1 Mode D'emploi page 18

Operation
Introduction
The VOLTMASTER
®
manufactured to the latest safety specifications, and guarantees safe and reliable operation.
The multimeter is a valuable aid for all standard measurement tasks in trade and industry as
well as for electronics hobbyists.
Safety precautions
The DMM 1 left the factory with its safety features in perfect operating condition. In order to
maintain this condition, the user must comply with the specifications of the safety notes con-
tained in this manual.
Caution!
Only use the enclosed safety test leads or equivalent test leads that
meet the same measurement category.
In order to avoid an electric shock, comply with the precautions when working with voltages
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greater than 120 V (60 V) DC or 50 V (25 V) eff. AC. These values represent the limits of
safe-to-touch voltages in accordance with DIN VDE. (Values given in brackets apply e.g. to
medical or agricultural areas)
Before taking each measurement, ensure that the test leads and the test instrument are in
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perfect working order
The test leads and probes must only be handled using the grips provided. Avoid touching
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the probes under any circumstances.
The test instrument must only be used for the measurement ranges specified.
Attention !
Before using the instrument, check for its correct function (e.g. using
a known power source, see: DIN VDE 0105, part 1).
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DMM 1 is a universal multimeter. This measuring instrument has been