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Velleman DVM601 Manual

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DVM601
22/08/2013 ©2008 Velleman
®
Components nv
24
7. La pile
• Remplacer les piles dès que l’indication ( ) s’affiche. Placer le sélecteur rotatif
[3] sur OFF.
• Déconnecter le multimètre avant le remplacement. Ne pas utiliser un multimètre
sans piles.
• Desserrer les deux vis à l’arrière du multimètre pour ouvrir le compartiment de la
pile.
• Retirer la pile et insérer une nouvelle pile 9 V type E en respectant la polarité.
N’utiliser que des piles identiques.
• Refermer le compartiment des piles.
• Retirer la pile après usage.
• Ne pas recharger une pile alcaline et ne pas la jeter au feu.
ATTENTION : Observer les directives sur l’emballage des piles.
Tenir les piles à l’écart des enfants.
8. Les fusibles
• Placer le sélecteur rotatif [3] sur OFF.
• Déconnecter le multimètre avant le remplacement. Ne pas utiliser un multimètre
sans fusibles.
• Desserrer les six vis à l’arrière du multimètre pour ouvrir le compartiment des
piles. Ne pas desserrer les deux vis du compartiment de la pile (voir §7). Ne pas
toucher le circuit du multimètre.
• Remplacer les fusibles par des exemplaires identiques :
• fusible 1 (grand) : fusible rapide F 10 A/600 V
• fusible 2 (petit) : fusible rapide F 500 mA/660 V
L’utilisation de fusibles d’un autre type ou le court-circuitage des portes-
fusibles est dangereux et peut endommager le multimètre.
• Refermer le boîtier et fixer avec les six vis.
9. Spécifications techniques
capacité protection surcharge – 600 V CA ou CC
sensibilité de la
fréquence
< 1 MHz: > 0,5 V RMS/> 1 MHz: > 3 V RMS
m
esure de niveau sonore
35 ~ 100 dB
résolution 0,1 dB
fréquence typique 30 Hz ~ 10 kHz
pondération de
fréquence
C
précision ± 5 dB @ 94 dB (onde sinusoïdale 1 kHz)
microphone condensateur
… 24 …


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