VOLTCRAFT VC331 - Multimeter

VC331 - Multimeter VOLTCRAFT - Free user manual and instructions

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USER MANUAL VC331 VOLTCRAFT

GB Operating Instructions

VC331 200A AC/DC Mini Clamp Meter

Item no: 2893197

F Mode d'emploi

text_image QR code image containing encoded data, no visible human-readable text
text_image VOLTCAFL M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M N

Voraussetzungen:

1 Introduction.... 34
2 Intended use.... 34
3 Delivery contents ...... 35
4 Operating Instructions for download.... 35
5 Description of symbols.... 35
6 Safety instructions .... 37

6.1 General.... 37
6.2 Handling.... 37
6.3 Operating environment.... 37
6.4 Operation.... 38
6.5 Batteries.... 38
6.6 Connected devices.... 38
6.7 Product.... 38
6.8 Test leads and probes.... 39
6.9 Thermocouple 40

7 Overview....40

7.1 Product....40
7.2 Display symbols 41

8 Replacing batteries.... 42
9 Operation....43

9.1 Rotary switch.... 43
9.2 Power ON / OFF 43
9.3 Auto shut-off.... 43
9.4 Display hold.... 44
9.5 Maximum / minimum value display 44
9.6 Work light 44
9.7 Relative mode 44
9.8 Current measurement "A" ....

45

9.8.1 Alternating current (AC) measurement 45
9.8.2 Direct current (DC) measurement.... 47

9.9 Voltage measurement "V" 48

9.9.1 AC voltage measurement.... 48
9.9.2 DC voltage measurement 49

9.10 Resistance measurement.... 49

9.11 Capacitance measurement 50
9.12 Temperature measurement.... 51
9.13 Continuity test.... 52
9.14 Diode test.... 53
9.15 Non-contact voltage testing.... 53

10 Cleaning....54
11 Disposal....55

11.1 Product....55
11.2 (Rechargeable) batteries.... 55

12 Technical data 56

12.1 General.... 56
12.2 Test leads and probes.... 57
12.3 Thermocouple 57
12.4 Specifications 57

12.4.1 Accuracy 57
12.4.2 Calibration.... 57
12.4.3 Alternating current (AC) 57
12.4.4 Direct current (DC)....58
12.4.5 AC voltage.... 58
12.4.6 DC voltage 58
12.4.7 Resistance 59
12.4.8 Capacitance 59
12.4.9 Temperature....60
12.4.10 Diode test....60
12.4.11 Acoustic continuity text.... 60
12.4.12 Non-contact (AC) voltage test.... 60

1 Introduction

Dear customer,

Thank you for purchasing this product.

If there are any technical questions, please contact:

www.conrad.com/contact

2 Intended use

The product is a clamp meter and can be used to measure and display various electrical parameters.

The product is in accordance with the safety requirements for Electronic Measuring Equipment, EN 61010-1 and EN 61010-2-032.

The product conforms to CAT II 600 V and CAT III 300 V:

■ MEASUREMENT CATEGORY II is applicable to test and measuring circuits connected directly to utilization points (socket outlets and similar points) of the low-voltage MAINS installation.
MEASUREMENT CATEGORY III is applicable to test and measuring circuits connected to the distribution part of the building's low-voltage MAINS installation.

The product is designed for private and commercial use.

In commercial institutions, the accident prevention regulations of the Employer's Liability Insurance Association for Electrical Systems and Operating Materials are to be observed.

The product can be used in schools and training centres. The use must be supervised by trained personnel.

The product is intended for indoor use only. Do not use it outdoors.

Contact with moisture must be avoided under all circumstances.

If you use the product for purposes other than those described, the product may be damaged.

Improper use can result in short circuits, fires, electric shocks or other hazards.

The product complies with the statutory national and European requirements.

For safety and approval purposes, you must not rebuild and/or modify the product.

Read the operating instructions carefully and store them in a safe place. Make this product available to third parties only together with the operating instructions.

All company names and product names are trademarks of their respective owners. All rights reserved.

3 Delivery contents

Product
2 x 1.5 V AAA batteries
■ Test leads with removable probe tip covers
Thermocouple
Storage bag
Operating instructions

4 Operating Instructions for download

VOLTCRAFT VC331 - Operating Instructions for download - 1

text_image QR code image containing encoded data, no visible human-readable text

Use the link www.conrad.com/downloads (alternatively scan the QR code) to download the complete operating instructions (or new/current versions if available). Follow the instructions on the web page.

5 Description of symbols

VOLTCRAFT VC331 - Description of symbols - 1

This product conforms to the required CE standards and is in compliance with applicable European (EU) directives.

VOLTCRAFT VC331 - Description of symbols - 2

This product is UK conformity assessed and meets applicable Great Britain directives.

VOLTCRAFT VC331 - Description of symbols - 3

The symbol warns of hazards that can lead to personal injury.

VOLTCRAFT VC331 - Description of symbols - 4

The symbol warns of dangerous voltage that can lead to personal injury by electric shock.

VOLTCRAFT VC331 - Description of symbols - 5

Protection class 2 (double or reinforced insulation, protective insulation).

VOLTCRAFT VC331 - Description of symbols - 6

Application around and removal from HAZARDOUS LIVE conductors is permitted. Personal protective equipment must be used.

CAT II

Can test and measure circuits connected directly to utilization points (e.g., socket outlets) of the low-voltage MAINS installation.

CAT III

Can test and measure circuits connected to the distribution part of the building's low-voltage MAINS installation.

VOLTCRAFT VC331 - Description of symbols - 7

Alternating current (AC)

VOLTCRAFT VC331 - Description of symbols - 8

Direct current (DC)

VOLTCRAFT VC331 - Description of symbols - 9

Earth ground

VOLTCRAFT VC331 - Description of symbols - 10

Jaw alignment marks. To meet accuracy specifications the conductor must be aligned with these marks.

VOLTCRAFT VC331 - Description of symbols - 11

Polarity markings for direct current (DC) measurement. The symbols indicate the direction of current for taking measurements.

6 Safety instructions

VOLTCRAFT VC331 - Safety instructions - 1

Read the operating instructions carefully and especially observe the safety information. If you do not follow the safety instructions and information on proper handling, we assume no liability for any resulting personal injury or damage to property. Such cases will invalidate the warranty/guarantee.

6.1 General

The product is not a toy. Keep it out of the reach of children and pets.
Do not leave packaging material lying around carelessly. This may become dangerous playing material for children.
If you have questions which remain unanswered by this information product, contact our technical support service or other technical personnel.
- Maintenance, modifications and repairs must only be completed by a technician or an authorised repair centre.

6.2 Handling

- Handle the product carefully. Jolts, impacts or a fall even from a low height can damage the product.

6.3 Operating environment

  • Do not place the product under any mechanical stress.
  • Protect the appliance from extreme temperatures, strong jolts, flammable gases, steam and solvents.
    ■ Protect the product from high humidity and moisture.
    ■ Protect the product from direct sunlight.
  • Do not switch the product on after it has been taken from a cold to a warm environment. The condensation that forms might destroy the product. Allow the product to reach room temperature before you use it.
  • Never operate the product in direct proximity of strong magnetic or electromagnetic fields or transmitter aerials or HF generators. Doing so can prevent the product from functioning properly.

6.4 Operation

  • Consult an expert when in doubt about the operation, safety or connection of the product.
    If it is no longer possible to operate the product safely, take it out of operation and protect it from any accidental use. DO NOT attempt to repair the product yourself. 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.

6.5 Batteries

■ Correct polarity must be observed while inserting batteries.
The 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 batteries lying around, as there is risk, that children or pets swallow them.
All batteries should be replaced at the same time. Mixing old and new batteries in the device can lead to battery leakage and device damage.
- Batteries must not be dismantled, short-circuited or thrown into fire. Never recharge non-rechargeable batteries. There is a risk of explosion!

6.6 Connected devices

Also observe the safety and operating instructions of any other devices which are connected to the product.

6.7 Product

Before use, always verify measurements against a known voltage source to ensure safe operation. If abnormal or erratic operation is detected:

  • Stop using immediately
    – have the product inspected by a qualified technician

  • When taking measurements make sure no objects are trapped between the clamp jaws (e.g., cables).

  • Do not exceed the maximum permissible measurement values.
    Risk of fatal electric shock! The product must never be used if the housing or battery compartment cover is open.
    Risk of electric shock! Use caution when working with voltages above 30 V/AC rms (42.4 V peak), 60 V/DC.
    The rotary switch should be set to the correct range / function before each use.
  • Inspect the product for damage before each measurement. Never take measurements if the insulation or product is damaged.
  • Use extreme caution when working around bare conductors or bus bars as contact can result in electric shock.

6.8 Test leads and probes

The voltage between the connection points of the meter and the earth potential must not exceed 300 V AC/DC in CAT III.
Probe assemblies to be used for MAINS measurements should meet EN 61010-031 standard, rated CAT III 300 V, 10 A or better.
Risk of electric shock! Use caution when working with voltages above 30 V/AC rms (42.4 V peak), 60 V/DC.
■ Test leads must be disconnected before changing the range / function.
The cables have a wear indicator. If damaged, a second insulation layer in a different colour becomes visible. Do not use if this occurs, replace immediately!
- When taking measurements do not grip beyond the finger barrier or grip range markings on the probes.

VOLTCRAFT VC331 - Test leads and probes - 1

text_image CAT II CAT III

- When taking CAT III measurements, probes with cover caps (max. 4 mm free contact length) must be used to avoid accidental short circuits.

When using the probes without cover caps, measurements between the meter and the earth potential must not be performed above the measuring category CAT II.
■ Prevent short circuits by ensuring test points/connections do not touch when taking measurements.
■ Always check the probes and leads for any sign of damage before each use. Do not use if damaged, replace immediately!

6.9 Thermocouple

Risk of electric shock! Prevent the temperature probe from coming into contact with voltage and current carrying components.
Do not exceed the rated maximum temperature of the thermocouple. See section: Technical data.
- Keep dry. Moisture can result in corrosion and cause measurement errors or thermocouple failure.
Do not bend or crimp the junction or exposing it to corrosive chemicals.

7 Overview

7.1 Product

VOLTCRAFT VC331 - Product - 1

text_image 1 CATII 600V CATII 300V 200A 2 3 4 5 NCV °C-F 200A-21 20A-79 +/-0 VR OFF VOLTCAFT 6 9 10 1187 12 True RMS 2000 Counts Trans MkΩ nglNVA °C°F AC DC 8.8.8.8 NCVMAX MIN Auto REL ZERD 200A AC/DC Mini Clamp Meter CE COM 13 12

1 Current sensing clamp 2
3 Rotary switch 4
5 Display 6 Work light

HOLD / button

SELECT button

7 Non-contact voltage (AC) detector tip

9 Clamp lever 10

11 Battery compartment 12

13

VOLTCRAFT VC331 - Product - 2

8 Non-contact voltage (AC) tri-colour LED

REL/ZERO, MAX/MIN button

COM terminal

7.2 Display symbols

Symbol Description
ACurrent (amps)
ACAlternating current
DCDirect current
NCVNon-contact voltage
MAXMaximum value
MINMinimum value
RELRelative mode
Overload: range exceeded
Automatic shut-off active
TRMSTrue root mean square measurement
Low battery indicator
Display hold active
ZEROZero position
Minus sign
AutoAutomatic range selection is active
Continuity check
Diode test
ΩOhm (unit of electric resistance)
kΩ, MΩKiloohm ( 10^3 ), Megaohm ( 10^6 )
VVolt (unit of electric voltage)
mVMillivolt ( 10^-3 )
AAmpere (unit of current measurement)
mA, μAMilliampere ( 10^-3 ), Microampere ( 10^-6 )
nFNanofarad ( 10^-9 ), unit of electrical capacitance
mF, μFMillifarad ( 10^-3 ), Microfarad ( 10^-6 )
CCelsius (unit of temperature)
FFahrenheit (unit of temperature)

8 Replacing batteries

Important:

Low battery voltage can affect the accuracy of readings resulting in electric shock and/or injury:

  • Replace the batteries when the low battery indicator shows.
  • Rechargeable batteries are not recommended as they typically have a lower voltage per cell.

VOLTCRAFT VC331 - Important: - 1

Risk of electric shock! Disconnect the product from any input signals before replacing the batteries.

VOLTCRAFT VC331 - Important: - 2

text_image VOLKRAST + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + -

Preconditions:

√ The power is switched OFF.

  1. Use a cross-head screwdriver to remove the compartment cover screw.
  2. Replace the batteries and match the polarity markings shown inside the compartment.
  3. Replace the battery compartment cover taking care not to over-tighten the screw.

9 Operation

VOLTCRAFT VC331 - Operation - 1

IMPORTANT! Always observe the information contained in the section: Safety instructions [▶ 37].

9.1 Rotary switch

VOLTCRAFT VC331 - Rotary switch - 1

text_image NCV °C°F 200A≈ 20A≈ +(-∞) +Ω V≈ OFF

The rotary switch should be set to the correct range / function before each use.
When a function is selected, a beep will sound and the display will update.

9.2 Power ON / OFF

The product is switched off when the function switch is in the OFF position.
■ Switch the power OFF after use.

9.3 Auto shut-off

■ Auto shut-off is active by default, it is indicated by the symbol.

This energy saving feature will shut power off after approximately 15 minutes of no activity.

To disable auto shut-off:

  1. Set the rotary switch to OFF.

  2. Press and hold the SELECT button and then set the rotary switch to any position other than OFF.

→ The symbol will disappear and an alert will sound when disabled.

  1. Auto shut-off will reactivate after the power is switched OFF.

9.4 Display hold

Important:

  • The display hold function freezes the display.
  • The display hold should be switched OFF before taking measurements.

■ Press the HOLD button to switch display hold ON/OFF.

The hold icon will appear when display hold is ON.

9.5 Maximum / minimum value display

In this mode the display shows the "MIN" (minimum) or "MAX" (maximum) value measured.

  1. Press and hold the REL/ZERO [MAX/MIN] button to enter maximum / minimum value display mode.

  2. Press the MAX/MIN button repeatedly to toggle between modes.

→ The display will show "MAX" or "MIN" to indicate which mode is active.

  1. Press and hold the MAX/MIN button to exit this mode.

9.6 Work light

Press and hold the button to switch the work light ON / OFF.

9.7 Relative mode

Relative mode can be used to take differential readings between two test points or for tracking changes in measurements from a defined reference point (e.g., line losses).

  1. Select a range using the rotary switch: 20A, 200A. ≈
  2. Take a measurement and note the displayed value.
  3. Press the REL button to activate relative mode.

→ "REL" will appear on the display to indicate relative mode is active.

  1. Take another measurement.

→ The display will show the difference between the new reading and the initial reading.

  1. Press the REL button to exit relative mode.
  2. Switch the power OFF after use.

9.8 Current measurement "A"

9.8.1 Alternating current (AC) measurement

VOLTCRAFT VC331 - Alternating current (AC) measurement - 1

Risk of electric shock! Do not use the clamp on uninsulated conductors.

VOLTCRAFT VC331 - Alternating current (AC) measurement - 2

■ Unclamp the conductor if (overload) appears on the display.
This product is rated for 50-60Hz. Do not exceed this frequency range as higher frequencies can dangerously overheat the magnetic circuit.

Notes:

  • The current sensing clamp is magnetized and a low reading may appear even when no conductor has been covered.
  • Only one conductor should be covered by the current sensing clamp.

VOLTCRAFT VC331 - Notes: - 1

text_image CATB 600V CATB 300V 200A VOLTCAFT VC 331 NCW °C 200A 20A + - 0 VX OFF
  1. Select a range using the rotary switch: 20A\~, 200A\~.

  2. Clamp the jaws around the conductor to be measured, positioning it between the jaw alignment marks ▶ ◀.

→ The reading will show on the display.

  1. Carefully remove the clamp from the conductor after taking measurements.

  2. Switch the power OFF after use.

9.8.2 Direct current (DC) measurement

VOLTCRAFT VC331 - Direct current (DC) measurement - 1

Risk of electric shock! Do not use the clamp on uninsulated conductors.

VOLTCRAFT VC331 - Direct current (DC) measurement - 2

■ Unclamp the conductor if (overload) appears on the display.

This product is rated for 50-60Hz. Do not exceed this frequency range as higher frequencies can dangerously overheat the magnetic circuit.

Notes:

  • The current sensing clamp is magnetized and a low reading may appear even when no conductor has been covered.
  • Only one conductor should be covered by the current sensing clamp.
  • For direct current measurements, the polarity of the clamp must match the flow of current along the conductor. A minus sign "-" will appear in front of the reading if the polarities are reversed.
  • Polarity symbols + are indicated on the front and back of the jaw.

VOLTCRAFT VC331 - Notes: - 1

text_image CAT8 500V CAT8 300V 200A VOLTCAFT VC 331 NCN 200A 20A + - + - VCC OFF MAX MIN SELECT True RMS 20
  1. Select a range using the rotary switch: 20A—200A.
  2. Press the SELECT button to enter DC mode.

→ The display will show "DC".

  1. Press the REL/ZERO button to perform a zero adjustment.
  2. The display will show "ZERO".
  3. Clamp the jaws around the conductor to be measured, positioning it between the jaw alignment marks ▶ ◀.

→ The reading will show on the display.

  1. Carefully remove the clamp from the conductor after taking measurements.

  2. Switch the power OFF after use.

9.9 Voltage measurement "V"

VOLTCRAFT VC331 - Voltage measurement "V" - 1

WARNING: Observe all safety precautions when working on live voltages.

9.9.1 AC voltage measurement

VOLTCRAFT VC331 - AC voltage measurement - 1

text_image VOLT/CRAFT VCC 351 NCV *CF* 200A 20A + - VW* CFF* TRUM RMS 2000 Candles SELECT MAX. MN CE 200A AC/DC Mini Clamp Meter V~ L N
  1. Set the rotary switch to: V\~.

→ The display will show "AC" and "V".

  1. Connect the test leads to the input terminals:

- Black test lead to the negative input terminal: COM.

- Red test lead to the positive input terminal: V.

  1. Touch the test probe tips across the circuit or component under test. It may take a few moments for the reading to stabilize.

→ The measurement will show on the display.

The display will show icon (overload) if the measuring range is exceeded or the circuit is interrupted.

  1. Disconnect the test leads and switch the power OFF after use.

9.9.2 DC voltage measurement

VOLTCRAFT VC331 - DC voltage measurement - 1

text_image CAT1 100V CAT8 300V 200A VOLTCRAFT NCY °C+ 220A- 20A- + - G V- OFF SELECT UAV ON True RMS 2000 Counts CE COM 220A AC DC Mini Clamp Meter V=- + -
  1. Set the rotary switch to: V
  2. Press the SELECT button to enter DC mode.

→ The display will show "DC" and "mV".

  1. Connect the test leads to the input terminals:

  2. Black test lead to the negative input terminal: COM.

  3. Red test lead to the positive input terminal: V.

  4. Touch the test probe tips across the object under test (e.g., circuit, battery). It may take a few moments for the reading to stabilize.

→ The measurement will show on the display.
The display will show icon (overload) if the measuring range is exceeded or the circuit is interrupted.
→ A minus sign "-" will appear in front of the reading if the polarities are reversed.

  1. Disconnect the test leads and switch the power OFF after use.

9.10 Resistance measurement

VOLTCRAFT VC331 - Resistance measurement - 1

WARNING: Never test on a live circuit. Remove all power from the circuit and discharge all capacitors before testing.

  1. Set the rotary switch to: .

→ The display will show "k" or "M" + Ω".

  1. Connect the test leads to the input terminals:

- Black test lead to the negative input terminal: COM

- Red test lead to the positive input terminal: .

  1. Touch the test probe tips across the circuit or component under test. It may take a few moments for the reading to stabilize.

→ The measurement will show on the display.

  1. Disconnect the test leads and switch the power OFF after use.

9.11 Capacitance measurement

VOLTCRAFT VC331 - Capacitance measurement - 1

WARNING: Never test on a live circuit. Remove all power from the circuit and discharge all capacitors before testing.

  1. Set the rotary switch to: -
  2. Press the SELECT button until the display shows "n" and "F".
  3. Connect the test leads to the input terminals:

- Black test lead to the negative input terminal: COM.

- Red test lead to the positive input terminal: -1

  1. Touch the test probe tips across the capacitor under test. It may take a few moments for the reading to stabilize.

→ The measurement will show on the display.
→ The display will show icon(L)(overload) if the measuring range is exceeded or the circuit is interrupted.

  1. Disconnect the test leads and switch the power OFF after use.

Tips:

If the capacitance being measured is ≤1 F , perform a zero adjustment to remove stray capacitance in the test leads and internal circuitry. This will improve measurement accuracy.

  1. Enter capacitance measurement mode.
  2. Press the REL/ZERO button, the display will show "ZERO".

→ A zero adjust has been performed.

9.12 Temperature measurement

The included thermocouple has an exposed welded junction for quick response times.

VOLTCRAFT VC331 - Temperature measurement - 1

Risk of electric shock! The temperature probe must not make contact with voltage and/or current carrying components.

VOLTCRAFT VC331 - Temperature measurement - 2

Do not exceed the rated maximum temperature of the thermocouple. See section: Technical data.
- Observe polarity. Reversing the positive (+) and negative (-) leads may produce incorrect temperature readings.

  1. Set the rotary switch to: °C°F.
  2. Press the SELECT button to switch between "°C" and "°F" units of temperature measurement.
    → The selected unit will show on the display.
  3. Connect the thermocouple to the input terminals. Make sure the plug markings match the terminal input markings: COM and °C
  4. Grip the plug to disconnect the thermocouple and switch the power OFF after use.

Tips:

  • A jumper (e.g. connecting the test lead probe tips) can be used to check if the clamp meter is at the correct operating temperature after storage.
  • Bridge the connection between the input terminals COM and .°C
  • Temperature measuring response will be slower than using a dedicated thermocouple.

9.13 Continuity test

VOLTCRAFT VC331 - Continuity test - 1

WARNING: Never test on a live circuit. Remove all power from the circuit and discharge all capacitors before testing.

  1. Set the rotary switch to: :)))
  2. Press the SELECT button until the display shows " -")
  3. Connect the test leads to the input terminals:

- Black test lead to the negative input terminal: COM.

- Red test lead to the positive input terminal: -)))

  1. Touch the test probe tips across the circuit or component under test.

→ A constant tone will sound if the resistance is <10 Ω.
The display will show icon(L)(overload) if the measuring range is exceeded or the circuit is interrupted.

  1. Disconnect the test leads and switch the power OFF after use.

9.14 Diode test

VOLTCRAFT VC331 - Diode test - 1

WARNING: Never test on a live circuit. Remove all power from the circuit and discharge all capacitors before testing.

Forward test: 1. Set the rotary switch to: .

VOLTCRAFT VC331 - Diode test - 2

VOLTCRAFT VC331 - Diode test - 3

  1. Press the SELECT button until the display shows "

  2. Connect the test leads to the input terminals:

  3. Black test lead to the negative input terminal: COM.
  4. Red test lead to the positive input terminal:

Reverse test:

  1. Touch the test probe tips across the diode under test.

VOLTCRAFT VC331 - Diode test - 4

→ Forward test voltages: will show on the display as a voltage reading.
→ Reverse test voltages: will show on the display as "L".
→ A defective diode (interrupted): will show on the display as "F".

  1. Disconnect the test leads and switch the power OFF after use.

9.15 Non-contact voltage testing

The non-contact voltage (NCV) detection function can detect AC voltage on conductors without touching them.

Due to the high sensitivity sensor, static electricity or other sources of energy may trigger the sensor. This is normal operation.

VOLTCRAFT VC331 - Non-contact voltage testing - 1

Risk of electric shock!

Before use, always test the voltage detector on a known live circuit to ensure safe operation.
Insulation type, thickness, and distance from the voltage source may affect detection.
■ Always verify measurements using test leads before touching potentially energized circuits.

VOLTCRAFT VC331 - Risk of electric shock! - 1

text_image VOLTCAFT VC 351 NCV °C T 200A 20A + - O V OFF RELLINO SELECT MAX/100A
  1. Set the rotary switch to: NCV.

→ "NCV" and "EF" will appear on the display.

  1. Place the sensor tip near the conductor.

→ If AC voltage is present, the tri-colour LED will light and a beep will sound.

  1. If the detected voltage increases:

→ the beeping will get faster.

→ the tri-colour LED changes from green → yellow → red.

  1. Switch the power OFF after use.

10 Cleaning

VOLTCRAFT VC331 - Cleaning - 1

Risk of electric shock! Disconnect the product from any input signals and switch the power OFF before cleaning.

Important:

  • Do not use aggressive cleaning agents, rubbing alcohol or other chemical solutions. They damage the housing and can cause the product to malfunction.
  • Do not immerse the product in water.

  • Clean the product with a clean, lint-free, antistatic cloth. Lightly moisten if needed.

  • Check to make sure the clamp mating surface is clean. Trapped dirt or debris can result in measurement errors.

11 Disposal

11.1 Product

VOLTCRAFT VC331 - Product - 1

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.

Owners of WEEE (Waste from Electrical and Electronic Equipment) shall dispose of it separately from unsorted municipal waste. Spent batteries and accumulators, which are not enclosed by the WEEE, as well as lamps that can be removed from the WEEE in a non-destructive manner, must be removed by end users from the WEEE in a non-destructive manner before it is handed over to a collection point.

Distributors of electrical and electronic equipment are legally obliged to provide free take-back of waste. Conrad provides the following return options free of charge (more details on our website):

in our Conrad offices
■ at the Conrad collection points
at the collection points of public waste management authorities or the collection points set up by manufacturers or distributors within the meaning of the ElektroG

End users are responsible for deleting personal data from the WEEE to be disposed of.

It should be noted that different obligations about the return or recycling of WEEE may apply in countries outside of Germany.

11.2 (Rechargeable) batteries

Remove batteries/rechargeable batteries, if any, and dispose of them separately from the product. According to the Battery Directive, end users are legally obliged to return all spent batteries/rechargeable batteries; they must not be disposed of in the normal household waste.

VOLTCRAFT VC331 - (Rechargeable) batteries - 1

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 = Cadmium, Hg = Mercury, Pb = Lead (name on (rechargeable) batteries, e.g. below the trash icon on the left).

Used (rechargeable) batteries can be returned to collection points in your municipality, our stores or wherever (rechargeable) batteries are sold. You thus fulfil your statutory obligations and contribute to environmental protection.

Batteries/rechargeable batteries that are disposed of should be protected against short circuit and their exposed terminals should be covered completely with insulating tape before disposal. Even empty batteries/rechargeable batteries can contain residual energy that may cause them to swell, burst, catch fire or explode in the event of a short circuit.

12 Technical data

12.1 General

Power supply...... 2x AAA 1.5 V batteries

Measuring categories .... CAT II 600 V CAT III 300 V

Current measurement (AC) ..... max. 200 A

Display.... 2000 counts (2 – 3 renewals/sec.)

Clamp opening range 16.5 mm

Automatic shut-off...... approx. 15 mins

Display type...... EBTN

Pollution degree.... 2

Operating altitude .... max. 2000 m (above sea level)

Operating temperature ...... 0 to +40 °C

Operating humidity .... <75 % RH (0 to +30 °C) <50 % RH (+30 to +40 °C)

Storage temperature..... -10 to +50 °C

Storage humidity.... <75 % RH (0 to +30 °C) <50 % RH (+30 to +40 °C)

Dimensions (W x H x D) ..... 182 x 60 x 36 mm

Weight ..... approx. 194 g

12.2 Test leads and probes

Rated voltage .... CAT III 1000 V

Rated current.... 10 A

Protection class ...... II

12.3 Thermocouple

Thermocouple type .... K

Temperature (max.)..... 230 °C (446 °F)

Length.... 1 m

12.4 Specifications

12.4.1 Accuracy

  • Specified accuracy ± (% of the reading + display error in counts).
    Accuracy is maintained for 1 year at +23 °C (± 5 °C), ≤75 % RH (non-condensing).

12.4.2 Calibration

The recommended calibration interval is 1 year.
■ Calibration should only be performed by qualified personnel.

12.4.3 Alternating current (AC)

Range Resolution Accuracy
20.00 A 0.01 A ±(2.5 % +8)
200.0 A 0.1 A ±(2.5 % +8)
Overload protection: 200.0 A ; Frequency range: 50-60 Hz ; TrueRMS
Range Resolution Accuracy
Crest factor (CF):
■ Crest factor 1.0 – 2.0 : +3 % deviation
■ Crest factor 2.0 – 2.5 : +5 % deviation
■ Crest factor 2.5 – 3.0 : +7 % deviation

12.4.4 Direct current (DC)

Range Resolution Accuracy
20.00 A 0.01 A ±(2 % +3)
200.0 A 0.1 A ±(2 % +3)
Overload protection: 200.0 AAccuracy: After successful zero adjustment

12.4.5 AC voltage

Range Resolution Accuracy
2.000 V 0.001 V ±(1.0 % +3)
20.00 V 0.01 V ±(1.0 % +3)
200.0 V 0.1 V ±(1.0 % +3)
600 V 1 V ±(1.2 % +3)
Overload protection: 600 V ; Frequency range: 45 - 400 Hz ; Impedance: 10 MΩ
Crest factor (CF):■ Crest factor 1.0 – 2.0 : +3 % deviation■ Crest factor 2.0 – 2.5 : +5 % deviation■ Crest factor 2.5 – 3.0 : +7 % deviation

12.4.6 DC voltage

Range Resolution Accuracy
200.0 mV 0.1 mV ±(1.0 % +8)
2.000 V 0.001 V ±(0.7 % +3)
20.00 V 0.01 V ±(0.7 % +3)
200.0 V 0.1 V ±(0.7 % +3)
600 V 1 V ±(0.7 % +3)
Overload protection: 600 V ; Impedance: 10 MΩ

12.4.7 Resistance

Range Resolution Accuracy
200.0 Ω 0.1 Ω ±(1.0 % +2)
2.000 kΩ 0.001 kΩ ±(1.0 % +2)
20.00 kΩ 0.01 kΩ ±(1.0 % +2)
200.0 kΩ 0.1 kΩ ±(1.0 % +2)
2.000 MΩ 0.001 MΩ ±(1.2 % +3)
20.00 MΩ 0.01 MΩ ±(2.0 % +5)
Overload protection: 600 V

12.4.8 Capacitance

Range Resolution Accuracy
2.000 nF0.001 nF±(4.0 % +10)
20.00 nF0.01 nF ±(4.0 % +5)
200.0 nF 0.1 nF ±(4.0 % +5)
2.000 μF 0.001 μF±(4.0 % +5)
20.00 μF 0.01 μF ±(4.0 % +5)
200.0 μF0.1 μF ±(4.0 % +5)
2.000 mF0.001 mF±10 %
20.00 mF0.01 mF±10 %
Range Resolution Accuracy
Overload protection: 600 V

12.4.9 Temperature

Range Resolution Accuracy
-40 to 0 °C 1 °C ±3
>0 to +100 °C 1 °C ±(1.0 % +3)
>100 to +1000 °C 1 °C ±(2.0 % +3)
-40 to +32 °F 1 °F ±6
>32 to +212 °F 1 °F ±(1.0 % +6)
>212 to +1832 °F 1 °F ±(2.0 % +6)

12.4.10 Diode test

Test voltage...... approx. 3.2 V

Resolution.... 1 mV

Overload protection 600 V

12.4.11 Acoustic continuity text

Tone .... <10 Ω continuous

Resolution.... 0.1 Ω

Overload protection 600 V

12.4.12 Non-contact (AC) voltage test

Test voltage.... 100 - 600 V/AC

Test distance ....≤5 mm

VOLTCRAFT VC331 - Non-contact (AC) voltage test - 1

Sommaire

France technique@conrad-

(email): france.fr

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9.8 Stroommeting "A"

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Product information

Brand : VOLTCRAFT

Model : VC331

Category : Multimeter