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DVM821
V. 01 23/02/2016 18 ©Velleman nv
9.4 WEERSTAND
Voer geen weerstandsmetingen uit in circuits waarop
spanning aanwezig is
bereik
resolutie
nauwkeurigheid
200
0.1
± (1.0 % v.d. uitlezing + 5 digits)
2000
1
± (1.0 % v.d. uitlezing + 3 digits)
20k
10
200k
100
2000k
1k
± (1.5 % v.d. uitlezing + 3 digits)
Beveiligd tegen overbelasting: F0.5 V/600 V-zekering
9.5 DIODE EN CONTINUÏTEIT
Voer geen weerstands-, diode- of continuïteitsmetingen
uit in circuits waarop spanning aanwezig is
bereik
omschrijving
meetvoorwaarde
op de display
verschijnt het
voorwaartse
spanningsverlies van
de diode
voorwaartse gelijkstroom
± 10 µA
DC-sperspanning ± 1.8 V
als de weerstand <
50 Ω, gaat de
ingebouwde zoemer af
open-circuit spanning:
± 1.8 V
Beveiligd tegen overbelasting: F0.5 V/600 V-zekering
10. Spanning meten
Meet niet in circuits met spanningen > 500 V
Wees uiterst voorzichtig bij metingen hoger dan 60 VDC of 30 VAC
rms.
Houd tijdens metingen uw vingers steeds achter de
beschermingsrand van de meetpennen!
18


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