ACD-51HP - ACD-56HPQ
CONTENTS:
1.
SAFETY PRECAUTIONS AND PROCEDURES ..........................................................................2
1.1.
Preliminary instructions ............................................................................................................2
1.2.
During use................................................................................................................................3
1.3.
After use...................................................................................................................................3
1.4.
Definition of measuring (overvoltage) category........................................................................4
2.
GENERAL DESCRIPTION............................................................................................................5
3.
PREPARATION FOR USE............................................................................................................6
3.1.
Preliminary checks ...................................................................................................................6
3.2.
Power supply ...........................................................................................................................6
3.3.
Calibration................................................................................................................................6
3.4.
Storage ....................................................................................................................................6
4.
OPERATING INSTRUCTIONS .....................................................................................................7
4.1.
Instrument description..............................................................................................................7
4.1.1.
Controls description ..................................................................................................................... 7
4.1.2.
Alignment marks .......................................................................................................................... 7
4.1.3.
Rubber cap use to hold test leads ............................................................................................... 8
4.1.4.
AUTO POWER OFF function....................................................................................................... 8
4.2.
Description of function keys .....................................................................................................9
4.2.1.
FUNC key .............................................................................................................................. 9
4.2.2.
D-H /
key ................................................................................................................................ 9
4.2.3.
MAX/MIN/PK key ......................................................................................................................... 9
4.2.4.
ENERGY key ............................................................................................................................. 10
4.3.
Description of rotary switch functions.....................................................................................11
4.3.1.
AC / DC voltage measurement .................................................................................................. 11
4.3.2.
Frequency measurement (with test leads)................................................................................. 12
4.3.3.
Measurement of voltage harmonics (ACD-56HPQ only)........................................................... 13
4.3.4.
Resistance and continuity measurement................................................................................... 14
4.3.5.
AC current measurement........................................................................................................... 15
4.3.6.
Frequency measurement (from the jaws) .................................................................................. 16
4.3.7.
Measurement of current harmonics (ACD-56HPQ only) ........................................................... 17
4.3.8.
Power and energy measurement on single phase systems ...................................................... 18
4.3.8.1.
Energy measurement on single phase systems.................................................................. 19
4.3.9.
Power and energy measurement on three phase balanced systems ....................................... 20
4.3.9.1.
Energy measurement on three phase balanced systems ................................................... 21
4.3.10. Detection of phase sequence .................................................................................................... 22
4.3.10.1.
Detection of phase coincidence........................................................................................... 24
4.3.10.2. Phase
detection................................................................................................................... 26
5. MAINTENANCE ..........................................................................................................................27
5.1. General
information................................................................................................................27
5.2.
Battery replacement ...............................................................................................................27
5.3.
Cleaning.................................................................................................................................27
6.
TECHNICAL SPECIFICATIONS .................................................................................................28
6.1.
Characteristics .......................................................................................................................28
6.1.1.
Safety standards ........................................................................................................................ 29
6.1.2.
General data .............................................................................................................................. 29
6.2.
Environmental conditions .......................................................................................................29
6.2.1.
Climatic conditions ..................................................................................................................... 29
6.2.2.
EMC ........................................................................................................................................... 29
6.3.
Accessories............................................................................................................................29
6.3.1.
Standard accessories ................................................................................................................ 29
7.
WARRANTY................................................................................................................................30
8.
APPENDIX: VOLTAGE AND CURRENT HARMONICS .............................................................31
8.1.
Theory....................................................................................................................................31
8.2.
Limit values for harmonics .....................................................................................................32
8.3.
Causes for the presence of harmonics...................................................................................32
8.4.
Consequences of the presence of harmonics ........................................................................33
EN - 1
