VOLTCRAFT 12 44 55 VC135 User manual
DIGITAL-MULTIMETER
BEDIENUNGSANLEITUNG Seite 4 – 23
DIGITAL MULTIMETER
OPERATING INSTRUCTIONS Page 24 – 40
MULTIMÈTRE NUMÉRIQUE
MODE D’EMPLOI Page 41 – 58
DIGITALE MULTIMETER
GEBRUIKSAANWIJZING Pagina 59 – 76
Best.-Nr. / Item No. / N° de commande / Bestnr.:
12 44 55 VC135
12 44 56 VC155
Version 10/12
Diese Bedienungsanleitung gehört zu diesem Produkt. Sie enthält wichtige Hinweise zur
Inbetriebnahme und Handhabung. Achten Sie hierauf, auch wenn Sie dieses Produkt an
Dritte weitergeben.
Heben Sie deshalb diese Bedienungsanleitung zum Nachlesen auf! Eine Auistung
der Inhalte nden Sie in dem Inhaltsverzeichnis mit Angabe der entsprechenden
Seitenzahlen auf Seite 4.
These Operating Instructions accompany this product. They contain important
information on setting up and using the device. You should refer to these instructions,
even if you are buying this product for someone else.
Please retain these Operating Instructions for future use! A list of the contents can be
found in the Table of contents, with the corresponding page number, on page 24.
Le présent mode d’emploi fait partie intégrante du produit. Il comporte des directives
importantes pour la mise en service et la manipulation de l’appareil. Tenir compte de
ces remarques, même en cas de transfert du produit à un tiers.
Conserver ce mode d’emploi an de pouvoir le consulter à tout moment. La table des
matières avec indication des pages correspondantes se trouve à la page 41.
Deze gebruiksaanwijzing hoort bij dit product. Zij bevat belangrijke informatie over
de inbedrijfstelling en het gebruik. Let hierop, ook wanneer u dit product aan derden
overhandigt.
Bewaar daarom deze gebruiksaanwijzing om in voorkomende gevallen te kunnen
raadplegen. In de inhoudsopgave op pagina 59 vindt u een lijst met inhoudspunten met
vermelding van het bijbehorende.
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24
INTRODUCTION
Dear Customer,
In purchasing this Voltcraft® product, you have made a very good decision for which we would like
to thank you.
Voltcraft® - In the eld of measuring, charging and network technology, this name stands for
high-quality products which perform superbly and which are created by experts whose concern is
continuous innovation.
From the ambitious hobby electronics enthusiast to the professional user, products from the Voltcraft®
brand family provide the optimum solution even for the most demanding tasks. And the remarkable
feature is: we offer you the mature technology and reliable quality of our Voltcraft® products at
an almost unbeatable price-performance ratio. In this way, we aim to establish a long, fruitful and
successful co-operation with our customers.
We wish you a great deal of enjoyment with your new Voltcraft® product!
All names of companies and products are trademarks of the respective owner. All rights
reserved.
25
INTENDED USE
Measuring and displaying electric parameters in the range of excess voltage category III (up to max.
600 V against ground potential, pursuant to EN 61010-1) and all lower categories.
• Measuring direct and alternating voltage up to a maximum of 600 V
• Measuring of resistance up to 20 MΩ
• Acoustic continuity check
• Diode test
• Non-contact 230 V/AC voltage test
• Electric current measurement (10 A, mA µA, VC155 only)
• K-type temperature measurement (VC155 only)
The two measuring inputs are secured against overload. The voltage in the measuring circuit may not
exceed 600 V. The measuring ranges are equipped with ceramic high-performance fuses.
The device may only be operated with a 9 V block battery.
The measuring instrument must not be operated when it is open, i.e. with an open battery compartment
or when the battery compartment cover is missing. Measuring in damp rooms or under unfavourable
ambient conditions is not admissible.
For safety reasons, when measuring only use measuring cables or accessories which are adjusted to
the specications of the multimeter.
Unfavourable ambient conditions are:
• Wetness or high air humidity,
• Dust and ammable gases, vapours or solvent,
• Thunderstorms or similar conditions such as strong electrostatic elds etc.
Unauthorised conversion and/or modication of the device are inadmissible because of safety and
approval reasons (CE). Any usage other than described above is not permitted and can damage the
product and lead to associated risks such as short-circuit, re, electric shock, etc. Please read the
operating instructions thoroughly and keep them for further reference.
This product complies with the statutory national and European requirements. All company names
and product names are trademarks of their respective owners. All rights reserved.
Observe all safety instructions and information within this operating manual.
26
DELIVERY CONTENT
• Digital multimeter
• Measuring leads
• 9 V monobloc battery
• K-type thermo sensor (VC155 only)
• Operating instructions
SYMBOL EXPLANATION
An exclamation mark in a triangle indicates important instructions in this operating manual
which absolutely have 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.
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-
distribution). This category also covers all smaller categories (e.g. CAT II for measuring
electronic devices).
Ground potential
The symbol can be found when you are to be given tips and information on operation.
27
SAFETY INSTRUCTIONS
Read the operating instructions carefully and especially observe the safety
information. If you do not follow the safety instructions and information on proper
handling in this manual, we assume no liability for any resulting personal injury or
damage to property. Such cases will invalidate the warranty/guarantee.
a) Persons / Product
• The device is not a toy. Keep it out of the reach of children and pets.
• Do not leave packaging material lying around carelessly. These may become dangerous
playing material for children.
• Protect the product from extreme temperatures, direct sunlight, strong jolts, high
humidity, moisture, ammable gases, vapours and solvents.
• Do not place the product under any mechanical stress.
• If it is no longer possible to operate the product safely, take it out of operation and protect
it from any accidental use. Safe operation can no longer be guaranteed if the product:
- is visibly damaged,
- is no longer working properly,
- has been stored for extended periods in poor ambient conditions or
- has been subjected to any serious transport-related stresses.
• Please handle the product carefully. Jolts, impacts or a fall even from a low height can
damage the product.
• Also observe the safety and operating instructions of any other devices which are
connected to the product.
b) Batteries / Rechargeable batteries
• Correct polarity must be observed while inserting the batteries.
• Batteries should be removed from the device if it is not used for a long period of time to
avoid damage through leaking. Leaking or damaged batteries might cause acid burns
when in contact with skin, therefore use suitable protective gloves to handle corrupted
batteries.
• Batteries must be kept out of reach of children. Do not leave the battery lying around, as
there is risk, that children or pets swallow it.
• Batteries must not be dismantled, short-circuited or thrown into re. Never recharge
non-rechargeable batteries. There is a risk of explosion!
c) Miscellaneous
• Consult an expert when in doubt about operation, safety or connection of the device.
• Maintenance, modications and repairs are to be performed exclusively by an expert
or at a qualied shop.
28
OPERATING ELEMENTS
See fold-out page
1. HOLD button
2. Non-contact voltage sensor
3. Torch light (Only on VC155)
4. LC display
5. Rotary switch
6. Battery compartment
7. Stand clamp
8. VΩ socket (VC135) / mA µA ºCΩV socket (VC155)
9. COM socket (reference potential)
10.10A max socket (Only on VC155)
11. Torch button (Only on VC155)
12.BACK LIGHT button (Only on VC155)
DISPLAY INDICATIONS AND SYMBOLS
Battery replacement icon; please replace the battery as soon as possible
Symbol for the diode test
Lightning icon for voltage measuring (VC155 only)
Symbol for the acoustic continuity tester
~ AC Alternating current
DC Direct current
Symbol for active hold function
Ω Ohm (unit of electric resistance)
ºC Unit of temperature
OPERATION
The multimeter (referred to as DMM in the following) indicates measured values on the digital display.
The measuring value display of the DMM spans 2000 counts with VC135 (count = smallest display
value). The measuring device can be used for do-it-yourself or for professional applications (up to
CAT III 600 V). For better readability, the DMM can also be mounted with the clip on the rear.
29
a) Rotary switch (5)
The individual measuring functions are selected via a rotary switch. The measuring range can be
selected manually with this switch.
b) Turning the measuring device on and off
The DMM are turned on and off via the rotary switch (5). When the rotary switch (5) is set to “OFF”, the
DMM is turned off. Always turn the measuring device off when it is not in use.
Prior to working with the measuring device, you rst have to insert the enclosed batteries.
A 9 V block battery is required for voltage supply. This is part of the delivery. Insert the battery as
described in the chapter “Cleaning and Maintenance”.
STARTING THE MEASUREMENT
Do not exceed the maximum permitted input values. Do not contact circuits or parts
of circuits if there could be voltages higher than 25 V ACrms or 35 V DC present
within them. Mortal danger!
Before measuring, check the connected measuring lines for damage such as, for
example, cuts, cracks or squeezing. Defective measuring cables must no longer be
used. Mortal danger!
During measuring, do not grip beyond the tangible grip range markings present
on the test prods.
You may only connect the two measuring leads to the measuring device that are
required for measuring operation. Remove all measuring leads not required from
the device for safety reasons.
As soon as “1” (towards the left side of the display) appears on the display, you have exceeded
the measuring range. Select the next higher measuring range
The voltage range „V/DC“ has an input resistance of >10 MΩ, the V/AC range of >4.5 MΩ.
With the digital multimeter, the automatic range selection (auto range) is active in all measuring
functions (except for currency measuring ranges). This function sets the right measuring range
automatically.
30
a) Voltage measuring “V”
Before measuring voltages, always make sure that the measuring instrument is not
set to a measuring range for current.
Proceed as follows to measure DC voltages “DC” (V ):
1. Turn the DMM on and select the measuring range “V ” with the rotary switch (5). The values on
the rotary switch (5) indicates the maximum measurement value of that selection.
2. Insert the red measuring lead into the V socket (8) and the black measuring lead into the COM
socket (9).
3. Now connect the two measuring prods to the object to be measured (battery, switch etc.).
4. The red measuring tip indicates the positive pole, the black measuring tip the negative pole.
5. The polarity of the respective measuring value is indicated on the together with the current
measuring value. The unit of the measurement is V.
As soon as a minus “-” appears for the direct voltage in front of the measuring value, the
measured voltage is negative (or the measuring tips have been mixed up).
6. After measuring, remove the measuring leads from the measuring object and turn the DMM off.
Turn the rotary switch to the position “OFF” .
Proceed as follows to measure AC voltages (V~):
1. Put the DMM into operation as described in the section “Measuring of direct voltage” and select
the measuring range “V “.
2. Now connect the two measuring leads to the object to be measured (generator, switch etc.).
3. The measuring value is indicated on the display. The unit of the measurement is V.
4. After measuring, remove the measuring leads from the measuring object and turn the DMM off.
Turn the rotary switch to the position “OFF”.
b) Current measuring (A , only in VC155)
The voltage in the measuring circuit may not exceed 250 V.
Measuring operations of >5 A may only be performed for at most 10 seconds with a
subsequent measuring pause of 15 minutes.
All current measuring ranges are provided with fuses and thus protected against
overload.
This manual suits for next models
1
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