TESTBOY TB-3000 Bedienungsanleitung Seite 26

Operation
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In order to avoid an electrical shock hazard you must observe the
specified precautionary measures when working with voltages greater
than 120 V (60 V) DC or 50 V (25 V) eff. AC. These values represent the
specified limits of safe-to-touch voltages in accordance with DIN VDE
(values given in brackets apply to medical or agricultural applications).
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Before taking each measurement, ensure that the test leads and the
measuring instrument are in a flawless condition.
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The test leads and test probes must only be handled using the isolated
grips. Avoid touching the tips of the test probes under all circumstances.
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In order to ensure reliable use, the responsible persons, or user, should
observe the operating instructions. Non-observance of the manufacturer
information can influence reliable operation of the device.
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The parts or accessories of the device must only be changed or replaced
in agreement with the manufacturer or their representative.
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The device must only be used in accordance with the conditions and for
the purposes for which it has been developed and manufactured. Thus,
strictly observe the safety instructions and technical data and the device
must be used in a dry environment.
The test instrument must only be used for the specified
measurement range.
26
Attention!
Each time before use, inspect the instrument to ensure that
it is working faultlessly (for example, on known source of
voltage). Please also refer to DIN VDE 0105, Part 1.
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Testboy TB-3000