Bedienungsanleitung Gossen Metrawatt METRAHIT 30M (Seite 5 von 28) (Englisch)

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GMC-I Messtechnik GmbH 5

1 Safety Features and Precautions

You have selected an instrument which provides you with a

high level of safety

This instrument fulfills the requirements of the applicable Euro-

pean and national EC guidelines. We confirm this with the CE

marking. The relevant declaration of conformity can be

obtained from GMC-I Messtechnik GmbH.

The multimeter has been manufactured and tested in

accordance with safety regulations

IEC/EN 61010–1:2010/

VDE 0411–1:2011. When used for its intended purpose,

safety of the operator, as well as that of the instrument, is

assured. Their safety is however not guaranteed, if the

instrument is used improperly or handled carelessly

In order to maintain flawless technical safety conditions, and to

assure safe use, it is imperative that you read the operating

instructions thoroughly and carefully before placing your instrument

into service, and that you follow all instructions contained therein.

Observe the following safety precautions:

• The instrument may only be operated by persons who

are capable of recognizing contact hazards and taking

the appropriate safety precautions. Contact hazards

exist anywhere, where voltages of greater than 30 V may

occur (RMS value

• Avoid working alone when taking measurements which

involve contact hazards. Be certain that a second person

is present

• The maximum allowable voltage between the jacks (8) and earth is

600 V CAT II. Overload capacities are listed in chapter 15.

• Be prepared for the occurrence of unexpected voltages

at devices under test (e.g. defective devices). For exam-

ple, capacitors may be dangerously charged

• Make certain that the measurement cables are in

flawless condition, e.g. no damage to insulation, no inter-

ruptions in cables or plugs etc

• No measurements may be made with this instrument in

electrical circuits with corona discharge (high-voltage)

• Special care is required when measurements are made

in HF electrical circuits. Dangerous pulsating voltages

may be present

• Measurements under moist ambient conditions are not

permissible

• Be absolutely certain that the measuring ranges are not

overloaded beyond their allowable capacities. Limit val-

ues can be found in the “Measuring Ranges” table

chapter 15 „Characteristic Values“.

• The current measuring ranges are protected by an internal

250 mA fusible link. A defective fuse can only be replaced by

GMC-I Service GmbH service personnel. The maximum per-

missible voltage for the measuring current circuit is

600 V AC/DC in the „mA“ ranges.

• The instrument may not be used in power installations.

Repair, Parts Replacement and Balancing

When the instrument is opened, voltage conducting parts

may be exposed. The instrument must be disconnected

from the measuring circuit for repair, replacement of parts

or balancing. If repair or balancing of a live, open instru-

ment is required, this may only be carried out by trained

personnel who are familiar with the dangers involved

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Gossen Metrawatt METRAHIT 30M Seite 5

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