Major tech MT478 사용자 설명서 - 페이지 5

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1. Safety

1.3 Warnings

In order to avoid electrical shock, the valid safety and VDE regulations

regarding excessive contact voltages must receive utmost attention,

when working with voltages exceeding 120V (60V) DC or

50V (25V) rms AC. The values in brackets are valid for limited ranges

(as for example medicine and agriculture).

Prior to measurement ensure that the test leads and the lest instrument

are in perfect condition.

When using this instrument only the handles of the probes may be

touched - do not touch the probe lips.

This instrument may only be used within the ranges speciﬁed and

within low voltage systems up to 1 000V.

Prior to usage ensure perfect instrument function (e.g. on

known voltage source).

The voltage detector is not to be used if the battery box is open.

The voltage detectors have to be kept dry and clean.

The voltage testers may no longer be used if one or several

functions fail or if no functionality is indicated.

Do not use this instrument under damp conditions.

Perfect display is only guaranteed within a temperature range of

-10°C up to +55°C, at relative humidity question <85%.

If the operator's safety cannot be guaranteed, the instrument must

be removed from service and protected against use.