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e) Mesure de la résistance
Assurez-vous que tous les éléments du circuit, circuits et composants à
mesurer ainsi que les autres composants à mesurer sont impérativement
hors tension et déchargés.
Raccordez la ligne de mesure noire à la prise COM « 8 »
et la
DC
AC
DC
AC
V
ligne de mesure rouge à la prise V, Ω, « 7 ».
Réglez la molette de réglage « 4 » sur la plage « Ω » et le
commutateur à coulisse « 5 » sur « DC, , Ω »
Reliez les deux pointes de mesure. Après cela, une valeur
de mesure de 0 ohm devrait être afchée. Si cela n’est pas
le cas, réglez l’afchage avec le régulateur d’étalonnage
0-ohm (6) exactement sur 0 ohm.
Si cet étalonnage n’est pas réalisable, il faut remplacer les piles (AA).
Reliez maintenant les deux pointes de mesure à l’objet à mesurer
La valeur mesurée s’afche sur l’échelle analogique « 1 ».
Relevez la valeur et multipliez-la
avec les valeurs dans le tableau ci-dessous :
Plage ohmique Multiplicateur
X 1 X 1
X 10 X 10
X 100 X 100
X 1K X 1000
54


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