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Safety Notices; Caractéristiques Techniques - VOLTCRAFT VC870 Bedienungsanleitung

Digital-multimeter
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Safety Notices

Please read the entire operating instructions before using the product for the
first time; they contain important information about the correct operation.
The guarantee/warranty will be void if damage is incurred resulting from non-com-
pliance with the operating instructions. We will not assume any responsibility for
consequential damage!
We do not assume any liability for material and personal damage caused by
improper use or non-compliance with the safety instructions! In such cases the
warranty/guarantee is void.
This device left the manufacture's factory in a safe and perfect condition.
We kindly request that you as a user observe the safety instructions and warnings contained in this ope-
rating manual to preserve this condition and to ensure safe operation!
Please pay attention to the following symbols:
An exclamation mark in a triangle shows important information in this user's manual
that has to be observed.
The triangle containing a lightning symbol warns of danger of an electric shock or of the
impairment of the electrical safety of the device.
The "hand" symbol informs you that there are special tips and hints concerning the
operation.
This product has been CE-tested and meets the necessary European guidelines.
Class 2 insulation (double or reinforced insulation)
CAT II
Overvoltage category II for measurements on electric and electronic devices connected
to the mains supply with a power plug. This category also covers all smaller categories
(e.g. CAT I for measuring signal and control voltages).
CAT III
Overvoltage category III for measuring in building installation (e.g. outlets or sub-distri-
bution). This category also covers all smaller categories (e.g. CAT II for measuring
electronic devices).
38
Caractéristiques techniques
Ecran
40 000 Counts maxi. (signes)
Cadence d'acquisition
env. 2 à 3 mesures/seconde, bargraphe env. 10 mesures/seconde
Longueur des câbles de mesure
env. 90 cm chacun
Impédance de mesure
>10 MΩ (plage V)
Tension de service
Pile bloc de 9 V
Conditions de travail
0 à 30°C (<75%rF), >30 à 40°C (<50%rF)
Hauteur de service
max. 2 000 m
Température de stockage
-10°C à +50°C
Poids
env. 380 g
Dimensions (L x l x h)
185 x 91 x 43 (mm)
Catégorie de surtension
CAT III 1 000 V, CAT IV 600 V, degré de pollution 2
Tolérances de mesure
Indication de précision en ± (% de lecture + erreur d'affichage en counts ( = nombre des plus petits chiff-
res)). La précision est valable pendant 1 an à une température de +23 °C (± 5°C), pour une humidité rel.
de l'air inférieure à 75 %, sans condensation. Coefficient de température : +0,1 x (précision spéci-
fiée)/1°C
Tension continue
Plage
Précision
400 mV
±(0,1% + 8)
4 V
40 V
±(0,1% + 8)
400 V
1 000 V
±(0,2% + 8)
Protection contre la surcharge 1 000 V ; impédance : 10 MΩ
Tension alternative
Plage
Précision
4 V
40 V
±(1,3% + 5)
400 V
750 V
±(2,0% + 5)
Gamme de fréquence 45 – 1 kHz ; protection contre les surcharges 750 V ; impédance : 10 MΩ
TrueRMS dans une plage de mesure de 10 – 100% : Facteur de crête (Crest Factor) : max. 3,0
(à 750 V max. 1,5)
Résolution
0,01 mV
0,0001 V
0,001 V
0,01 V
0,1 V
Résolution
0,001 V
0,01 V
0,1 V
1 V
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