Gossen MetraWatt M312J, Руководство пользователя

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English Clamp Multimeter METRACLIP 86
3.11 POWER MEASUREMENTS W, VA,
VAR
AND PF ..................................................... 27
3.11.1 Measurement of single-phase power .............................................................. 28
3.11.2 Balanced three-phase power measurement.................................................... 28
3.12
“DIRECTION OF ROTATION OF THE PHASES” OR “ORDER OF THE PHASES”
MODE .................................................................................................................................... 29
3.13 FREQUENCY MEASUREMENT (H
Z
) .......................................................................... 30
3.13.1 Frequency measurement in voltage ................................................................ 30
3.13.2 Frequency measurement in current ................................................................ 31
3.13.3 Measurement of frequency in power .............................................................. 31
3.14 MEASUREMENT OF THE LEVEL OF HARMONICS (THD) AND OF THE
FREQUENCY OF THE FUNDAMENTAL (NETWORK) ....................................................... 31
3.14.1 Measurement of the THD and of the frequency of the fundamental in voltage
32
3.14.2 Measurement of the THD and of the frequency of the fundamental in current
32
4 CHARACTERISTICS .................................................................................................. 34
4.1 REFERENCE CONDITIONS ........................................................................................... 34
4.2 CHARACTERISTICS UNDER THE REFERENCE CONDITIONS ......................... 34
4.2.1 DC voltage measurement ................................................................................ 34
4.2.2 AC voltage measurement ................................................................................ 35
4.2.3 AC+DC voltage measurement ........................................................................ 36
4.2.4 DC current measurement ................................................................................ 36
4.2.5 AC current measurement ................................................................................ 37
4.2.6 AC+DC intensity measurement ...................................................................... 37
4.2.7 True-Inrush measurement ............................................................................... 38
4.2.8 Continuity measurement ................................................................................. 38
4.2.9 Resistance measurement ................................................................................. 38
4.2.10 Diode test ......................................................................................................... 39
4.2.11 Active DC power measurements ..................................................................... 39
4.2.12 Active AC power measurements ..................................................................... 40
4.2.13 Active AC+DC power measurements ............................................................. 41
4.2.14 Measurement of apparent AC power .............................................................. 42
4.2.15 Measurement of apparent AC+DC power ..................................................... 42
4.2.16 Measurement of reactive AC power ............................................................... 43
4.2.17 Measurement of reactive AC+DC power ....................................................... 43
4.2.18 Calculation of the power factor ...................................................................... 44
4.2.19 Frequency measurements................................................................................ 45
4.2.20 Characteristics in THDr ................................................................................. 45
4.2.21 Characteristics in THDf .................................................................................. 45
4.2.22 Indication of order of the phases .................................................................... 46
4.3 ENVIRONMENTAL CONDITIONS .............................................................................. 46
4.4 CHARACTERISTICS OF CONSTRUCTION............................................................... 47
4.5 POWER SUPPLY............................................................................................................... 47
4.6 COMPLIANCE WITH INTERNATIONAL STANDARDS........................................ 47
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