General Instructions; Introduction - Metrix MX 230B Notice De Fonctionnement

1.1 GENERAL 1.1 GENERAL 1.1 GENERAL
1.1 GENERAL 1.1 GENERAL
This 20 000 W /V analog multimeter with its wide range of measurement
capabilities is perfectly adapted to the needs of electrical and electronic
engineer. A single combined range and function rotary switch will make this
instrument easy to use.
It has a good insulation (3 kV) and has no metallic protruding parts. Of rugged
construction it is handy to carry. As well as rubber shock absorber surround
or a carrying case many accessories are available on request. The instrument
i s f i t t e d w i t h a f o l d i n g s t a n d .
1.2 PARTICULARITIES 1.2 PARTICULARITIES
1.2 PARTICULARITIES 1.2 PARTICULARITIES 1.2 PARTICULARITIES
This multimeter will support an accidental short overload of 240 V AC on all
ranges without other damage than blown fuses. This protection is given
through diodes varistors and fuses. One of them has a high current cutting-
off power 10 A / 80 kA in the common.
Fuses and batteries are easily accessible at the back of the case.

1.3 GENERAL INSTRUCTIONS

1.3 GENERAL INSTRUCTIONS
1.3 GENERAL INSTRUCTIONS 1.3 GENERAL INSTRUCTIONS 1.3 GENERAL INSTRUCTIONS
1 . 1 . 1 . 1 . 1 . If the order of a measurement is not known, start measuring with
the meter set to its highest range ; turn down later if necessary.
Highest accuracy is obtained when the deviation is greatest.
2 . 2 . 2 . 2 . 2 . Before making a measurement, check that the pointer is at zero.
If not, adjust with the screw situated at the rear.
3 . 3 . 3 . 3 . 3 . Make sure that the function switch is correctly set before making
a measurement, e.g. do not try to measure volts when the function
switch is at ohms or at mA.
18

1 - INTRODUCTION

1 - INTRODUCTION
1 - INTRODUCTION 1 - INTRODUCTION 1 - INTRODUCTION
MX 230B