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Voltcraft VC-890 Manual

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52
• Before measuring voltages, always make sure that the meter is not set to a measuring
range for current.
• The voltage between the connection points of the meter and the earth potential must
not exceed 1,000 V DC/AC in CAT IV III or 600 V in CAT IV.
• The measuring prods have to be removed from the measured object every time the
measuring range is changed.
• Be especially careful when dealing with voltages higher than 25 V alternating (AC) or
35 V direct voltage (DC)! Even at these voltages it is possible to receive a fatal electric
shock if you touch electrical conductors.
• Check the meter and its measuring lines for damage before each measurement.
• Never carry out any measurements if the protecting insulation is defective (torn, ripped
off etc.).
• To avoid electric shock, make sure not to touch the connections/measuring points to be
measured directly or indirectly during measurement.
• During measuring, do not grip beyond the grip range markings (which you can feel)
present on the test prods.
• Do not use the multimeter just before, during or just after a thunderstorm (lightning!/
high-energy overvoltage!). Make sure that your hands, shoes, clothing, the fl oor,
circuits and circuit components are dry.
• Avoid operating the product near:
- strong magnetic or electromagnetic fi elds
- transmitter aerials or HF generators.
This could affect the measurement.
• Do not switch the meter on immediately after it was taken from a cold to a warm
environment. The condensation that forms might destroy your device.
• Allow the device to reach room temperature before switching it on.
• Also observe the safety information in each chapter of these instructions.
121
Erreur Cause éventuelle Solution possible
Le multimètre ne fonctionne
pas.
La pile est-elle usée ?Contrôlez son état.
Remplacez la pile.
Pas de modifi cation de la
valeur.
Une fonction de mesure
incorrecte est-elle active (AC/
DC) ?
Assurez-vous que les cordons
de mesure sont correctement
insérés.
Les cordons de mesure sont-
ils correctement insérés dans
les douilles de mesure ?
Assurez-vous que les cordons
de mesure sont correctement
insérés.
Le fusible est-il défectueux ? Contrôlez les fusibles.
La fonction HOLD est-elle
activée ? (Affi chage
)
Appuyez sur la touche H/LIGHT
(+/COMP) pour désactiver cette
fonction.
L‘appareil émet un
signal sonore et affi che
l‘avertissement suivant :
ERROR ON V INPUT
ERROR ON A INPUT
ERROR ON mA INPUT
Connexion incorrecte ou
inappropriée des cordons de
mesure
Branchez les cordons de
mesure correctement à
l‘appareil, échangez-les ou
modifi ez la fonction de mesure.
D’autres dépannages que ceux précédemment cités ne peuvent être effectués
que par un technicien autorisé. Pour toute question concernant l’utilisation de
l’appareil de mesure, notre support technique est à votre disposition par téléphone
au numéro suivant :
VOLTCRAFT®, 92242 Hirschau, Lindenweg 15, Tel.-Nr. 0180 / 586 582 7
… 50 …


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