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32 GMC-I Messtechnik GmbH
V/Hz, Ω, Temperatuur, en A/Hz Metingen
5.1.4 Transient Overspanningen
De multimeters zijn beveilgd tegen transient overspanningen tot
8 kV met een periodeduur van 1.2 ms en halve periodes van
50 μs in het spanningsmeetbereik. Bij langere pulsduur, bijvoor-
beeld bij transformatoren of motoren, raden wij het gebruik aan
van onze meet adapter probes KS30. Deze biedt bescherming
tegen overspanningen tot 6 kV met een periodeduur van 10 μs en
halve periodes van 1000 μs.
De continu belasting is 1200 V
RMS
. De bijkomende fout veroor-
zaakt door de KS30 meetadapter bedraagt ongeveer -2%.
5.1.5 Spanningsmetingen boven 1000 V
Spanningen hoger dan 1000 V kunnen gemeten worden met een
hoog-spanningsprobe, bvb de HV3
1)
of de HV30
2)
van GMC-I
Messtechnik GmbH. Het is absoluut noodzakelijk om in dit geval
de aardingsklem met de aarde te verbinden. Beacht alle toepas-
selijke veiligheidsmaatregelen!
1)
HV3: 3 kV
2)
HV30: 30 kV, enkel voor (DC) spanning
COM
V
Tem p
Ω
Spanningsmetingen boven 1000 V
met de HV3 Hoog-spanningsprobe
zwart
Rood
Zwart
x1000
x100
32


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