Metrix MX 23 User Manual

Chapter II
16 Portable digital multimeters
USER’S MANUAL
CONTENTS
1. GENERAL INSTRUCTIONS ..........................................................................................17
1.1. Symbols used on the instrument .............................................................................17
1.2. Precautions and safety measures ...........................................................................17
1.3. Safety features.........................................................................................................18
1.4. Protection devices ...................................................................................................19
1.5. Instructions ..............................................................................................................19
1.6. Warranty..................................................................................................................19
1.7. Maintenance and metrological verification...............................................................20
1.8. Unpacking - Repacking ...........................................................................................20
2. DESCRIPTION ...............................................................................................................21
2.1. Selector switch.........................................................................................................21
2.2. Keypad.....................................................................................................................21
2.3. Display.....................................................................................................................21
2.4. Power supply ...........................................................................................................21
2.5. Input terminals .........................................................................................................21
3. GETTING STARTED......................................................................................................22
3.1.
Connecting the test leads ........................................................................................22
3.2. Switching on the instrument.....................................................................................22
3.3. Switching off the instrument.....................................................................................22
3.4. Multimeter maintenance ..........................................................................................22
3.4.1. Fuse self-test (except MX 23) ..........................................................................22
3.4.2. Battery self-test.................................................................................................22
3.4.3. Replacing the battery or fuses (except MX 23) ................................................23
3.4.4. Cleaning ...........................................................................................................23
3.4.5. Storage.............................................................................................................23
4. FUNCTIONAL DESCRIPTION.......................................................................................24
4.1. RANGE / AC+DC key..............................................................................................24
4.1.1. ADPDC / ADPAC+DC Position............................................................................24
4.1.2. 500 mADC / mAAC+DC Position (except MX 23) (MX 24 : 50 mA / mAAC+DC) .24
4.1.3. 10 ADC / AAC+DC Position (except MX 23) .......................................................25
4.2. MIN / MAX key (except MX 23) ...............................................................................25
4.3. MEM / AUTO MEM key...........................................................................................25
4.4. key (except MX 23)..........................................................................................25
5. TECHNICAL SPECIFICATIONS....................................................................................26
5.1. General....................................................................................................................26
5.2. Characteristics.........................................................................................................26
5.2.1. DC voltages......................................................................................................26
5.2.2. AC voltages (AC and AC+DC) .........................................................................26
5.2.3. DC currents (except MX 23).............................................................................27
5.2.4. AC currents (AC+DC) (except MX 23) .............................................................27
5.2.5. Resistance / Continuity test..............................................................................28
5.2.6. Capacitance .....................................................................................................28
5.2.7. Diode threshold voltage measurement.............................................................28
5.2.8. Frequencies......................................................................................................29
5.2.9. General information..........................................................................................29
5.2.10. Environment..................................................................................................30
5.2.11. Safety............................................................................................................30
5.2.12. CEM..............................................................................................................30
5.2.13. European directives......................................................................................30
5.3. Accessories .............................................................................................................31
5.3.1. Supplied with the multimeter ............................................................................31
5.3.2. Optional............................................................................................................31

Metrix MX 23 Specifications

General

Brand	Metrix
Model	MX 23
Category	Measuring Instruments
Language	English