MI 2126 Earth 2/3 Introduction
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1 Introduction
We are very pleased to offer a high quality, professional grade test instrument, for
performing two- and three-wire earth resistance measurements, on which the estimation
of earthing quality is based. The equipment was designed and produced according to
many years of experience of producing and dealing with earth resistance and electric
installation test equipment.
1.1 General description
Earth 2/3 is a professional, hand–held, battery powered test instrument. It is intended
for carrying out earth resistance measurements in accordance with European standard
EN 61557 - 5.
The instrument is supplied with all accessories necessary for carrying out the tests.
1.2 Warnings
In order to ensure operator’s safety while carrying out various measurements and tests
using the Earth 2/3, as well as to keep the test equipment undamaged, it is necessary to
consider the following general warnings:
• symbol on the instrument means »Read the Instruction manual with
special care«. The symbol requires an action!
• If the test equipment is used in a manner not specified in this instruction
manual, the protection provided by the equipment may be impaired!
• Do not use the instrument and accessories if any damage is noticed!
• Service intervention or adjustment and calibration procedure must only be
carried out by a competent, authorized person!
• Never connect the instrument to high voltage (U > 20 V).
• Turn power off and disconnect any measurement accessory connected to
the instrument before opening battery cover.
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