Megger LT7 Handleiding

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Digital Loop Tester

MLT7

User Guide

Guide de l’utilisateur

Gebrauchsanleitung

Guía del usuario

NOTE

THEINSTRUMENTMUSTONLYBEUSEDBYSUITABLYTRAINEDAND

COMPETENTPERSONS

.

Symbols used on the instrument

Caution: refer to accompanying notes.

Equipment protected throughout by Double Insulation

(Class II)

Equipment complies with relevant EU Directives

SAFETYWARNINGS

✱Safety warnings and precautions must be read

and understood before the instrument is used.

They must be observed during use.

✱Continuity of protective conductors and earthed

equipotential bonding of new or modified

installations

mustbe verifiedbeforecarrying out

an earth fault loop impedance test.

✱Exposed metalwork of an installation or

equipment under test

must notbe touched.

✱LT7must notbe connected across two phases

of a 3 phase supply.

✱The LCD neonvoltage indicators cannot reveal a

Neutral - Earth reversal.

✱Loop impedance <0,01Ωmustbe investigated.

✱Test leads, probes and crocodile clips must be in

good order; clean, and with no broken or cracked

insulation. Avoid drawing excessive arcs on high

current tests.

✱The mains power cord forms part of the

measuring circuit of the instrument. This test lead

mustnotbe modified or changed in any way, or

be used in any other electrical instrument or

appliance.

✱The instrument must notbe used if any part is

damaged.

✱Use of the instrument in any unspecified manner

may impair the protection provided.

Product specificaties