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Bijlage I Technische specificaties
79 Versie 001
Bijlage I Technische specificaties
1
10 Technische specificaties
10.1 Meetsysteem
Configuratie 3-fase, 3xI, 3xU input
Verversingstijd 5120 Hz @ 50 Hz
Standaard rekenwaarden
(METER, SCOPE,
LOGGER mode)
U,I,f
Harmonics
Vermogen
Energy
200 ms, no gaps
200 ms, 1.5/sec
200 ms, no gaps
200 ms, no gaps
10.2 Metingen
Nb: meetfouten veroorzaakt door externe spanning en stroomtransformatoren worden
niet meegenomen in deze specificaties!
10.2.1 Spanning
Ingangsspanning bereik: Lx-N 550 V
RMS
(enkelfase of 3 fase 4 draads)
Lx-Ly 952 V
RMS
Ingangsimpedantie: Lx-N 3 MΩ, Lx-Ly 3 MΩ
TRMS, AC+DC, Lx-N, aansluiting
Meetbereik (indicatie) Resolutie Nauwkeurigheid Crest factor
Bereik 1: 3.0 (0.0) V
RMS
÷ 70.0 V
RMS
0.1 V
±(1 % + 0.5 V)
1.4 min
Bereik 2: 5.0 (0.0) V
RMS
÷ 130.0 V
RMS
±(1 % + 0.8 V)
Bereik 3: 10.0 (0.0) V
RMS
÷ 300.0 V
RMS
±(1 % + 1.5 V)
Bereik 4: 20.0 (0.0) V
RMS
÷ 550.0 V
RMS
±(1 % + 2.5 V)
TRMS, AC+DC, Lx-Ly connection
Meetbereik (indicatie) Resolutie Nauwkeurigheid Crest factor
Bereik 1: 5.2 (0.0) V
RMS
÷ 121.0 V
RMS
0.1 V
±(2 % + 1.0 V)
1.4 min
Bereik 2: 8.6 (0.0) V
RMS
÷ 225.0 V
RMS
±(2 % + 1.6 V)
Bereik 3: 17.3 (0.0) V
RMS
÷ 519.0 V
RMS
±(2 % + 3.0 V)
Bereik 4: 34.6 (0.0) V
RMS
÷ 952.0 V
RMS
±(2 % + 5.0 V)
10.2.2 Stroom
Ingangsimpedantie : 1 MΩ
TRMS, AC+DC
Meetbereik (indicatie) Resolutie Nauwkeurigheid Crest factor
Bereik 1: 4.0 (0.0) mV
RMS
÷ 100 mV
RMS
(4 ÷ 100) A*
0.1 A
±(2 % + 0.3 A)
2.3 min
Bereik 2: 0.04 (0.00) V
RMS
÷ 1 V
RMS
(40 ÷ 1000) A*
±(2 % + 3 A)
Met stroomtang A1033
1
Afgeleide grootheden zoals vermogen en energie worden onafhankelijk van elkaar in het instrument of software berekend.
Eigenschappen als deze maken het mogelijk om meer functionaliteit in de software toe te passen. Echter, vanwege de verschillen
in algoritmen en numerieke precisie, kunnen de resultaten enigszins variëren, maar is altijd minder dan 1 LSB digit weergegeven in
de PHA 4400.
79


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