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Stabiele mA-afgifte produceren
Als de draaischakelaar zich in de stand OUTPUT mA [
bevindt en de uitgangen op een juiste belasting zijn
aangesloten, produceert de meter een stabiele mA-DC-
afgifte.[ De meter begint met het genereren of simuleren
van 0%. Stel de stroom bij met de druktoetsen (zie
tabel 8).
Selecteer genereren of simuleren door de uitgangen
SOURCE of SIMULATE te kiezen.
Als de meter de geprogrammeerde stroom niet kan
leveren omdat de belastingsweerstand te hoog is of de
spanning van de lusvoeding te laag is, verschijnen er
streepjes (-----) op het numerieke display. Als de
impedantie over de SOURCE-aansluitingen laag genoeg
is, hervat de meter het genereren.
Opmerking
De in tabel 9 beschreven STEP-druktoetsen zijn
te gebruiken als de meter een stabiele stroom
afgeeft. Met de STEP-druktoetsen gaat u steeds
naar het volgende veelvoud van 25%.
Tabel 8. Druktoetsen voor het bijstellen van de
mA-stroomafgifte
Druktoets Bijstelling
X
R
COARSE
Verhoogt met 0,1 mA
X
M
FINE
Verhoogt met 0,001 mA
FINE
h
W
Verlaagt met 0,001 mA
COARSE
r
W
Verlaagt met 0,1 mA
28


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