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c) Widerstandsmessung
ƽ
Vergewissern Sie sich, dass alle zu messenden Schalt-
ungsteile, Schaltungen und Bauelemente sowie ande-
re Messobjekte unbedingt spannungslos und entladen
sind.
Zur Widerstandsmessung gehen Sie wie folgt vor:
- Wählen Sie am Drehschalter den Mess-
bereich Ω x1K.
- Führen Sie einen Nullabgleich durch.
- Verbinden Sie die schwarze Messleitung mit
der COM-Buchse (5) und die rote Mess-
leitung mit der Messbuchse „+„ (6).
- Kontaktieren Sie die beiden Messspitzen
miteinander und warten Sie, bis sich der
Zeiger stabilisiert hat. Es muss ein Wert von
ca. 0 Ohm angezeigt werden. Justieren Sie bei einer Abweichung den
Zeiger mittels 0-Ohm-Abgleichregler (3) auf 0 Ohm.
- Lesen Sie den Messwert an der Skala „Ω“ ab. Multiplizieren Sie den
angezeigten Wert mit dem Faktor 1000, um den Messwert zu erhalten
z.B. 5 Ω (Anzeige) x1000 = 5 x 1000 = 5 kΩ (Messwert).
- Entfernen Sie nach Messende die Messspitzen vom Messkreis und
schalten das Multimeter aus (Drehschalterposition „OFF“).
d) Gleichstrommessung
ƽ
Überschreiten Sie auf keinen Fall die max. zulässigen
Eingangsgrößen in den jeweiligen Messbereichen.
Strommessungen sind nur in Stromkreisen bis max.
250 V zulässig.
16
17


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