Preface - METREL MI 3122 Instruction Manual

MI 3122 Smartec Z Line-Loop / RCD

1 Preface

Congratulations on your purchase of the instrument and its accessories from METREL.
The instrument was designed on basis of rich experience, acquired through many years of
dealing with electric installation test equipment.
The multifunctional hand-held installation tester Smartec Z Line-Loop / RCD is intended for
tests and measurements required for inspection of electrical installations in buildings. In
general for the following tests and measurements:
True rms voltage, frequency, and phase sequence,

Line impedance,

Loop impedance,

RCD protection,

The graphic display with backlight offers easy reading of results, indications, measurement
parameters and messages. Two LED Pass/Fail indicators are placed at the sides of the
LCD.
The operation of the unit is clear and simple – the operator does not need any special
training (except reading this instruction manual) to operate the instrument.
In order for operator to be familiar enough with performing measurements in general and
their typical applications it is advisable to read Metrel handbook Guide for testing and
verification of low voltage installations.
The instrument is equipped with all the necessary accessory for comfortable testing.
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Preface