Velleman VTSET24 User manual

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12.02.2010

1. Int

To all re

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VTSET24/VT

3

USER MA

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uropean Unio

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al information

the device or th

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SET26

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©Velleman

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12.02.2010

knowle

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This digit

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Treat this

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Safety P

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device with the

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r

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in this manual

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r

with electrical

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ecautions

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-meter is desig

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ety rules:

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a

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reme caution w

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ore attaching th

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, ACA, resistan

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turn off the pow

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perate the multi

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VTSET24/VT

4

have been give

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p

pliance by a pe

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SET26

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©Velleman

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00VDC or 500V

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VTSET24/VTSET26

12.02.2010 ©Velleman nv

5

Maintenance

This digital multimeter is the result of superior design and craftsmanship.

The following suggestions will help you keep your multi-meter in perfect

working order:

• Keep the multi-meter dry. Wipe it immediately if it gets wet.

• Use and store the multi-meter under normal temperatures. Extreme

temperatures may shorten the life of the device or damage the battery.

• Handle the multi-meter with care. Dropping it may damage the circuit

boards or the case and may lead to malfunction.

• Replace an old or weak battery with a fresh one of the required size and

type.

• Remove the battery during long periods of inactivity. This will protect the

multi-meter from possible leakage.

• Disconnect the test probes before opening the multi-meter.

• Replace a blown fuse with a new one of the same size and type.

Fuse : F 0.5A/250V (resettable ) – F 10A/250V

• Refrain from using this device if anomalies are detected. Do not try to

repair the device yourself: consult authorised personnel.

• Do not use the multi-meter unless the back cover is in place and fully

fastened.

• Use a damp cloth moistened with a mild detergent for cleaning purposes.

Do not use solvents or abrasive cleansing agents or solvents.

Description

Refer to the illustrations on page 2 of this manual.

1 DISPLAY

3 1/2 digit display with 7 segments. Height: 0.5" (12.7mm)

2 FUNCTION AND RANGE SWITCH

Select the desired function and range. It is also used to activate the

device. Place the switch in the "OFF" position when the device is not in

use in order to extend the life of your battery.

3 "10A" JACK

Plug in the connector for the red (+) test lead for all your 10A-

measurements.

4 "VΩmA" JACK

Plug in the connector for the red (+) test lead for all voltage, resistance

and current measurements (with the exception of 10A-measurements).

5 "Common" JACK

Plug in the connector for the black (-) test lead.

Operating Instructions

WARNING

1)Do not measure voltages that exceed the earthing level by more than

500V in order to avoid the risk of electroshocks or damage to the

instrument.

VTSET24/VTSET26

12.02.2010 ©Velleman nv

6

2)Verify whether the insulation of all test leads, probes and connectors is

intact prior to activating the device.

1. DC Voltage Measurements

1)Connect the red test lead to the "VΩmA" jack and the black lead to the

"COM" jack.

2)Place the RANGE switch in the appropriate VDC position. Set the switch to

the highest range and work your way down if the voltage range is

unknown beforehand.

3)Connect the test leads to the device or circuit to be measured.

4)Activate the device or circuit to be measured. Both the voltage value and

the polarity will be displayed.

2. AC Voltage Measurements

1)Connect the red test lead to the "VΩmA" jack and the black lead to the

"COM" jack.

2)Place the RANGE switch in the appropriate VAC position.

3)Connect the test leads to the device or circuit to be tested.

4)The voltage value will appear on the display.

3. DC Current Measurements

1)Connect the red test lead to the "VΩmA" jack and the black lead to the

"COM" jack. (Connect the red test lead to the "10A"-jack for

measurements between 200mA and 10A).

2)Place the RANGE switch in the appropriate ADC position.

3)Open the circuit to be measured and connect the test leads IN SERIES

with the load of which the current is to be measured.

4)Read the current value on the display.

4. Resistance Measurements

1)Connect the red test lead to the "VΩmA" jack and the black lead to the

"COM" jack.

2)Place the RANGE switch in the appropriate Ω position.

3)If the resistance being measured is connected to a circuit: disconnect the

power and discharge all capacitors prior to measurement.

4)Connect the test leads to the circuit to be measured.

5)Read the resistance value on the display.

5. Diode Measurements

1)Connect the red test lead to the "VΩmA" jack and the black lead to the

"COM" jack.

2)Set the RANGE switch to the position.

3)Connect the red test lead to the anode and the black test lead to the

cathode of the diode to be measured.

4)The forward voltage drop will be displayed in mV. "1" will be displayed if

the polarity of the diode is reversed.

VTSET24/VTSET26

12.02.2010 ©Velleman nv

7

6. Transistor hFE Measurements

1) Connect the black test lead (-) to the "COM" jack and the red test lead

(+) to the "mA" jack.

2) Select the hFE-range with the Range switch.

3) Determine whether the transistor is of the NPN- or PNP-type and locate

the emitter, the base and the collector. Insert the leads into the proper

holes in the included transistor socket.

4) Connect the black test lead (-) to the "COM" terminal and the red test

lead (+) to the other terminal of the transistor socket.

5) The display will show the approximate hFE-value at the moment of

testing. Base current 10µA, Vce 2.8V.

Specifications

Maximum accuracy is guaranteed for a one-year period after calibration.

Ideal circumstances require a temperature of 23°C (± 5%) and a max.

relative humidity of 75%.

1. General

Max. voltage between

terminal and earth

500VDC or VAC rms (sine wave)

Display 3 ½-digit LCD, 2 - 3 readings per sec.

Fuse Protection 200mA range : F 0.5A/250V (resettable)

10A range : F 10A/250V

Power Supply 2x AAA (LR03C, not incl.)

Ranging Method Manual

Polarity Indication " - " displayed

Overrange Indication " 1 " displayed automatically

Dimensions 126 x 70 x 27mm

2. DC Voltage

Range Resolution Accuracy

200mV 100µV ±0.5% of rdg ±2 digits

2000mV 1mV

±0.8% of rdg ±2 digits

20V 10mV

200V 100mV

500V 1V ±1.0% of rdg ±2 digits

Overload protection: 220Vrms AC for the 200mV range and 500VDC or

500Vrms AC for other ranges.

3. AC Voltage

Range Resolution Accuracy

200V 100mV ±1.5% of rdg ±10 digits

500V 1V

Overload protection: 500VDC or 500Vrms for all ranges

Frequency range: 45Hz - 450Hz

12.02.2010

4. DC C

Rang

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2000µ

A

20m

A

200m

A

10A

Overload

Input cur

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Measurin

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5. Resi

s

Rang

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200Ω

2000

Ω

20kΩ

200k

Ω

2000k

Ω

Maximu

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Overload

Battery

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The " "

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SET26

Accurac

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± 1.5% of rdg

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± 2.5% of rdg

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ble fuse + 10A/

2

1

0A/250V fuse)

Accurac

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± 0.8% of rdg

±

± 1.2% of rdg

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seconds on all

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Velleman® Service and Quality Warranty

Velleman® has over 35 years of experience in

the electronics world and distributes its

products in more than 85 countries.

All our products fulfil strict quality

requirements and legal stipulations in the EU.

In order to ensure the quality, our products

regularly go through an extra quality check,

both by an internal quality department and by

specialized external organisations. If, all

precautionary measures notwithstanding,

problems should occur, please make appeal to

our warranty (see guarantee conditions).

General Warranty Conditions Concerning

Consumer Products (for EU):

• All consumer products are subject to a 24-

month warranty on production flaws and

defective material as from the original date of

purchase.

• Velleman® can decide to replace an article

with an equivalent article, or to refund the

retail value totally or partially when the

complaint is valid and a free repair or

replacement of the article is impossible, or if

the expenses are out of proportion.

You will be delivered a replacing article or a

refund at the value of 100% of the purchase

price in case of a flaw occurred in the first year

after the date of purchase and delivery, or a

replacing article at 50% of the purchase price

or a refund at the value of 50% of the retail

value in case of a flaw occurred in the second

year after the date of purchase and delivery.

• Not covered by warranty:

- all direct or indirect damage caused after

delivery to the article (e.g. by oxidation,

shocks, falls, dust, dirt, humidity...), and by

the article, as well as its contents (e.g. data

loss), compensation for loss of profits;

- frequently replaced consumable goods, parts

or accessories such as batteries, lamps, rubber

parts, drive belts... (unlimited list);

- flaws resulting from fire, water damage,

lightning, accident, natural disaster, etc. …;

- flaws caused deliberately, negligently or

resulting from improper handling, negligent

maintenance, abusive use or use contrary to

the manufacturer’s instructions;

- damage caused by a commercial, professional

or collective use of the article (the warranty

validity will be reduced to six (6) months when

the article is used professionally);

- damage resulting from an inappropriate

packing and shipping of the article;

- all damage caused by modification, repair or

alteration performed by a third party without

written permission by Velleman®.

• Articles to be repaired must be delivered to

your Velleman® dealer, solidly packed

(preferably in the original packaging), and be

completed with the original receipt of purchase

and a clear flaw description.

• Hint: In order to save on cost and time,

please reread the manual and check if the flaw

is caused by obvious causes prior to presenting

the article for repair. Note that returning a

non-defective article can also involve handling

costs.

• Repairs occurring after warranty expiration

are subject to shipping costs.

• The above conditions are without prejudice to

all commercial warranties.

The above enumeration is subject to

modification according to the article (see

article’s manual).

Velleman® service- en kwaliteitsgarantie

Velleman® heeft ruim 35 jaar ervaring in de

elektronicawereld en verdeelt in meer dan 85

landen.

Al onze producten beantwoorden aan strikte

kwaliteitseisen en aan de wettelijke bepalingen

geldig in de EU. Om de kwaliteit te

waarborgen,

ondergaan onze producten op regelmatige

tijdstippen een extra kwaliteitscontrole, zowel

door onze eigen kwaliteitsafdeling als door

externe gespecialiseerde organisaties. Mocht er

ondanks deze voorzorgen toch een probleem

optreden, dan kunt u steeds een beroep doen

op onze waarborg (zie waarborgvoorwaarden).

Algemene waarborgvoorwaarden

consumentengoederen (voor Europese

Unie):

• Op alle consumentengoederen geldt een

garantieperiode van 24 maanden op productie-

en materiaalfouten en dit vanaf de

oorspronkelijke aankoopdatum.

• Indien de klacht gegrond is en een gratis

reparatie of vervanging van een artikel

onmogelijk is of indien de kosten hiervoor

buiten verhouding zijn, kan Velleman®

beslissen het desbetreffende artikel te

vervangen door een gelijkwaardig artikel of de

aankoopsom van het artikel gedeeltelijk of

volledig terug te betalen. In dat geval krijgt u

een vervangend product of terugbetaling ter

waarde van 100% van de aankoopsom bij

ontdekking van een gebrek tot één jaar na

aankoop en levering, of een vervangend

product tegen 50% van de kostprijs of

terugbetaling van 50 % bij ontdekking na één

jaar tot 2 jaar.

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