VOLTCRAFT VC252 Operating Instructions Manual
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VOLTCRAFT VC252 Operating Instructions Manual

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Bedienungsanleitung
VC252 Digital Multimeter
Best.-Nr. 2576861
Seite 2 - 48
Operating Instructions
VC252 Digital Multimeter
Item No. 2576861
Page 49 - 94
Mode d'emploi
VC252 Multimètre Numérique
N° de commande 2576861
Page 95 - 142
Gebruiksaanwijzing
VC252 Digitale Multimeter
Bestelnr. 2576861
Pagina 143 - 189

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Summary of Contents for VOLTCRAFT VC252

  • Page 1 Bedienungsanleitung VC252 Digital Multimeter Best.-Nr. 2576861 Seite 2 - 48 Operating Instructions VC252 Digital Multimeter Item No. 2576861 Page 49 - 94 Mode d’emploi VC252 Multimètre Numérique N° de commande 2576861 Page 95 - 142 Gebruiksaanwijzing VC252 Digitale Multimeter Bestelnr. 2576861...

  • Page 2: Table Of Contents

    1 Table of contents Introduction ....................51 Delivery content ...................51 Up-to-date operating instructions ..............51 Description of symbols .................52 Intended use ....................53 Safety instructions ..................55 7.1 (Rechargeable) batteries ...............57 7.2 Connected devices ................57 7.3 LED light ....................57 Product overview ..................58 Product description ..................59 10 Control dial ....................60 11 Display elements and symbols ..............61 11.1 Display elements ..................61...
  • Page 3 12.9 Diode test .....................73 12.10 Continuity test ...................74 12.11 Measuring capacitance ..............75 12.12 Conducting a battery test ..............76 12.13 Non-contact AC voltage test “NCV” ...........77 13 Additional functions ..................78 13.1 SEL function..................78 13.2 REL function ..................78 13.3 HOLD function ..................78 13.4 Auto power-off function ................79 13.5 Torch ....................79 14 Cleaning and maintenance ................80...

  • Page 4: Introduction

    2 Introduction Dear customer, Thank you for purchasing this product. These operating instructions are part of this product. They contain im- portant notes on commissioning and handling. Also consider this if you pass on the product to any third party. Therefore, retain these operating instructions for reference! If there are any technical questions, please contact: www.conrad.com/contact...

  • Page 5: Description Of Symbols

    5 Description of symbols The symbol warns of hazards that can lead to personal injury. The symbol warns of dangerous voltage that can lead to personal injury by electric shock. The arrow symbol indicates special information and advice on how to use the product.

  • Page 6: Intended Use

    6 Intended use Measures and displays electrical parameters in measurement category CAT III (up to 600 V). Complies with the EN 61010-1 and EN 61010-2-033 standards and all lower categories. Measures direct and alternating voltages up to 600 V Measures direct and alternating currents up to 10 A Measures frequency from 10 Hz to 10 MHz (max.
  • Page 7 ceramic tube fuse will work and probably blow to protect the meter. In such case, the blown ceramic tube fuse is required to be replaced by a new one. The device switches off automatically after 15 minutes if no buttons are pressed. This prevents the battery from draining.

  • Page 8: Safety Instructions

    7 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.
  • Page 9 Always remove the test probes from the measured object before changing the measurement range. The voltage between the multimeter connection points and earth must never exceed 600 V DC/AC in CAT III. Exercise particular caution when working with voltages higher than AC 30 Vr.m.s, 42.4 V peak or DC 60 V.

  • Page 10: Rechargeable) Batteries

    Do not switch the device on immediately after it has been brought from a cold room into a warm one. The condensation generated may destroy the product. Leave the device switched off and allow it to reach room temperature. Do not leave packaging material lying around carelessly, as it may become a dangerous toy for children.

  • Page 11: Product Overview

    8 Product overview A. Non-contact voltage sensor J. COM measurement terminal (refer- ence potential, “negative”) B. Tri-color indicator LED measurement terminal (“posi- C. Display tive potential” for direct voltages) D. HOLD/REL button L. LED light E. Control dial for selecting the meas- M.

  • Page 12: Product Description

    9 Product description The digital multimeter (DMM) displays measurements on a digital 4000-count dis- play (count = smallest display value). The display shows the correct terminal assign- ment for each measurement mode. The multimeter beeps and displays a warning when the terminals are not assigned correctly. This is a built-in safety feature to protect the user.

  • Page 13: Control Dial

    10 Control dial Use the control dial to select the measurement mode. Automatic range selection (“Au- torange”) is enabled and the range will be automatically selected. Æ The measurement ranges must be selected manually. Æ Always start with the largest meas- urement range, and then switch to a smaller range if necessary.

  • Page 14: Display Elements And Symbols

    11 Display elements and symbols The following symbols and letters appear on the device/display. Other symbols may appear on the display (display test), but these have no function. 11.1 Display elements Element Description TRMS True RMS measurement Delta symbol for relative measurement (= reference measure- ment) Mega symbol (exp.6) Kilo symbol (exp.3)

  • Page 15: Symbols

    Element Description Alternating current symbol ( ) Warning symbol for dangerous voltage AUTO Auto range Non-contact AC voltage measurement BATT Battery test 11.2 Symbols Symbol Desription Relative measurement button (= reference measurement) SELECT Switch to sub-functions HOLD Freezes the current measurement Overload = The measuring range was exceeded LEAd warning “Incorrect terminal”...

  • Page 16: Taking Measurements

    12 Taking measurements Never exceed the maximum permitted input values. Never touch circuits or circuit components if they may carry voltages greater than AC 30 Vr.m.s, 42.4 V peak or DC 60 V! This may cause a fatal electric shock! Measurements can only be taken when the battery and fuse compartment is closed.

  • Page 17: Turning The Multimeter On And Off

    12.1 Turning the multimeter on and off 1. Turn the control dial to select the desired mode. Æ The optical measuring range is automatically selected (except in current mode). Æ When measuring a current, always start with the largest measurement range, and then switch to a smaller range if necessary.

  • Page 18: Incorrect Wiring Alarm

    12.2 Incorrect wiring alarm The DMM automatically detects which terminals are connected to the test leads. If the test leads are connected to the wrong terminals (which can be dangerous for the user and damage the DMM), the DMM triggers an acoustic and optical alarm.

  • Page 19: Dc ('V ") Voltage Measurement

    12.3 AC (“V ”) / DC (‘V ”) voltage measurement 1. Switch on the DMM and select “V" mode. Æ “DC” will show on the display. Æ For lower voltages up to max. 400 mV, select the “mV” measuring range. 2.

  • Page 20: Ac ("Mv ") / ("Mv ") Voltage Mode

    12.4 AC (“mV ”) / (“mV ”) voltage mode 1. Switch on the DMM and select “mV ” or “mV ” measurement mode. Æ “DC” and “mV” will appear on the display. 2. Press the SEL button on the control dial to switch to “AC” mode. Æ...

  • Page 21: Taking Current Measurements

    12.6 Taking current measurements Never exceed the maximum permitted input values. Never touch circuits or circuit components if they may carry voltages greater than AC 30 Vr.m.s, 42.4 V peak or DC 60 V. This may cause a fatal electric shock! The voltage in the measured circuit must not exceed 600 V.
  • Page 22 12.6.1 Follow the steps below to measure DC currents (A 1. Switch on the DMM and select “10A, mA, or µA” mode. 2. Press SEL/ to switch to DC mode. “DC” will appear on the display. 3. Press the SEL/ button again to switch back to AC mode.
  • Page 23 12.6.2 Follow the steps below to measure AC currents (A 1. Switch on the DMM and select “10A, mA, or µA” mode. 2. Press SEL/ to switch to AC mode. “AC” will appear on the display. 3. Press the SEL/ button again to switch back to DC mode.

  • Page 24: Measuring Frequency

    12.7 Measuring frequency The multimeter can be used to measure the frequency of a signal voltage (supports frequencies from 10 Hz to 10 MHz). The maximum input is 20 Vrms. This mode is not suitable for taking measurements on mains voltages. Observe the input specifi- cations in the technical data.

  • Page 25: Measuring Resistance

    12.8 Measuring resistance Make sure that all objects that you wish to measure (including circuit components, circuits and component parts) are disconnected and dis- charged. Follow the steps below to measure the resistance: 1. Switch on the DMM and select the Ω measurement mode. 2.

  • Page 26: Diode Test

    12.9 Diode test Make sure that all objects that you wish to measure (including circuit components, circuits and component parts) are disconnected and dis- charged. 1. Switch on the DMM and select the desired mode 2. Press SEL/ 2x to switch to diode test mode.

  • Page 27: Continuity Test

    12.10 Continuity test Make sure that all objects that you wish to measure (including circuit components, circuits and component parts) are disconnected and dis- charged. 1. Switch on the DMM and select the desired mode 2. Press the SEL/ button 1x to switch to continuity test mode.

  • Page 28: Measuring Capacitance

    12.11 Measuring capacitance Make sure that all objects that you wish to measure (including circuit components, circuits and component parts) are disconnected and dis- charged. 1. Switch on the DMM and select the mode 2. Press SEL/ 3x to switch to capaci- tance mode.

  • Page 29: Conducting A Battery Test

    12.12 Conducting a battery test The battery test is designed to test standard 1.5 V and 9 V block batteries. The bat- teries are measured at a low load to ensure an objective measurement. The display indicates the actual terminal voltage under load. If you wish to test a rechargeable battery, select the range that is closest to the battery voltage (e.g.

  • Page 30: Non-Contact Ac Voltage Test "Ncv

    12.13 Non-contact AC voltage test “NCV” Make sure that all measuring sockets are unoccupied. Please remove all measuring leads and adapters from the measuring device. This function only serves as an aid. Prior to performing work on these cables, you must perform contact measuring op- erations to check for the absence of voltage.

  • Page 31: Additional Functions

    13 Additional functions You can use the function button to enable a range of different functions. The multim- eter beeps each time you press the button. 13.1 SEL function Some measuring modes have additional sub-modes. The sub-modes are marked in grey around the control dial.

  • Page 32: Auto Power-Off Function

    13.4 Auto power-off function The multimeter switches off automatically after 15 minutes if no buttons are pressed. This function saves battery power and prolongs the battery life. The symbol will be displayed when the automatic power-off feature is enabled. The multimeter will beep several times approximately 1 minute before it turns off.

  • Page 33: Cleaning And Maintenance

    14 Cleaning and maintenance 14.1 General information The multimeter should be calibrated once a year to ensure that measurements remain accurate. The multimeter does not need to be serviced (apart from occasional cleaning and battery/fuse replacements). Refer to the following sections for instructions on how to change the fuse and battery.

  • Page 34: Opening The Battery/Fuse Compartment

    14.3 Opening the battery/fuse compartment The battery/fuse compartment cannot be opened when the leads are connected to the terminals. All terminals are automatically locked when the battery/ fuse compartment is opened to prevent leads from being inserted. Follow the steps below to open the battery/fuse compartment: 1.

  • Page 35: Replacing The 10 A Input Fuse

    14.4 Replacing the 10 A input fuse The 10 A current measuring input is equipped with a ceramic high-performance fuse. If you cannot take measurements in this range, you will need to replace the fuse. Follow the steps below to replace the fuse: 1.

  • Page 36: Inserting/Changing The Battery

    14.5 Inserting/changing the battery 1. Disconnect the multimeter and test leads from all circuits, and then disconnect all test leads from the multimeter. 2. Switch off the multimeter. 3. Remove the battery/fuse compartment cover (see “Opening the battery/fuse compartment”). 4. Insert new batteries with the same specifications. Æ...

  • Page 37: Disposal

    15 Disposal 15.1 Product This symbol must appear on any electrical and electronic equipment placed on the EU market. This symbol indicates that this device should not be disposed of as unsorted municipal waste at the end of its service life.
  • Page 38 Batteries/rechargeable batteries containing hazardous substances are labelled with this symbol to indicate that disposal in household waste is forbidden. The abbreviations for heavy metals in batteries are: Cd = Cad- mium, Hg = Mercury, Pb = Lead (name on (rechargeable) batteries, e.g. below the trash icon on the left).

  • Page 39: Troubleshooting

    16 Troubleshooting The multimeter was designed using the latest technology and is safe to use. How- ever, problems and malfunctions may still occur. This section tells you how to troubleshoot possible faults: Always observe the safety information in these instructions. Problem Possible cause Suggested solution...

  • Page 40: Technical Data

    17 Technical data Display ............4000 Counts (digits) Measurement interval ........approx. 2-3 measurements/second AC measurement method ......True RMS, AC-coupled Test lead length ..........approx. 90 cm Measuring impedance ........≥10 MΩ (400 mV: ≥100 MΩ) Measuring terminal clearance ....... 19 mm (COM-V) Low battery indicator ........
  • Page 41 Measuring tolerances Accuracy in ± (% of reading + display error in counts (= number of smallest points)). These accuracy readings are valid for one year at a temperature of +23 °C (± 5 °C) and a relative humidity of less than 75 % (non-condensing). If the mul- timeter is used outside of this temperature range, use the following coefficient to calculate the accuracy.
  • Page 42 Specified measuring range: 5–100 % of the measuring range 600 V overload protection; Impedance: 400 kΩ (max. 250 V, 3 secs) The multimeter may display ≤5 counts if a measuring input is short-circuited. After using the LoZ feature, leave the multimeter for 1 minute before using it again.
  • Page 43 Alternating voltage (V/AC) LoZ Range Resolution Accuracy 4.000 V 0.001 V 40.00 V 0.01 V ±(2.2% + 7) 400.0 V 0.1 V 600 V Specified measuring range: 5–100 % of the measuring range Frequency range: 45–400 Hz; 600 V overload protection; Impedance: 10 MΩ (mV: ≤100 MΩ) The multimeter may display 5 counts if a measuring input is short-circuited.
  • Page 44 600 V overload protection Fuses: µA/mA = 2x 0.55 A/240 V resettable, 1x F2 2.5 A/700 V ceramic 10 A = High-performance FF 10 A/600 V ceramic fuse ≤ 6 A = continuous measurement, >6 A = max. 30 secs at intervals of 15 minutes The multimeter may display 3 counts when a measuring input is open Alternating current (A/AC) Range...
  • Page 45 Resistance Range Resolution Accuracy 400.0 Ω* 0.1 Ω ±(1.3% +4) 4.000 kΩ* 0.001 kΩ 40.00 kΩ 0.01 kΩ ±(1.2% + 7) 400.0 kΩ 0.1 kΩ 4.000 MΩ 0.001 MΩ ±(1.5% + 4) 40.00 MΩ 0.01 MΩ ±(2.7% + 7) 600 V overload protection Measuring voltage: Approx.
  • Page 46 Frequency “Hz” (electronic) Range Resolution Accuracy ≤9.999 Hz* Not specified 0.001 Hz 10.00 Hz – 99.99 Hz* 0.01 Hz 100.0 Hz – 999.9 Hz 0.1 Hz 1.000 kHz – 9.999 kHz 0.001 kHz ±(0.2 % +7) 10.00 kHz – 99.99 kHz 0.01 kHz 100.0 kHz –...
  • Page 47 Range Load resistance Resolution Accuracy Approx. 100 Ω 1.5 V 0.001 V ±(0.9% + 8) Approx. 900 kΩ 0.01 V 600 V overload protection Fuses: µA/mA = 2x 0.55 A/240 V resettable, 1x F2 2.5 A/700 V ceramic Acoustic continuity tester Measurement range Resolution 400 Ω...

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