Velleman DVM 68 El manual del propietario descargar pdf (Pagina 2)

VELLEMAN GB1

DVM 68

LCD Auto Range Digital Multimeter

1. Description

Your DVM 68 is a autoranging professional digital multimeter with a 3 ¾ digit LCD

display. It is ideally suited for field, lab, shop, and home applications. By using the

latest in IC and display technology to significantly reduce the number of discrete

internal components, the multimeter gives you superb measuring capability as well as

the highest possible reliability.

It is capable of performing functions :

DC Voltage AC Voltage Resistance

AC Current DC Current Capacity

Frequency Continuity

Also diodes and transistors (amplification hFE) can be tested.

1.1 Warning

Use extreme caution in the use of this device. Improper use of this device can result in

injury or death. Follow all safeguards suggested in this owner's manual in addition to

normal safety precautions in dealing with electrical circuits. Do not use this device if

you are unfamiliar with electrical circuits and testing procedures.

Not for commercial or industrial use.

1.2 A word about safety

This multimeter is designed to ensure the safest operation possible. However, safe

operation depends on you, the operator. Make sure you follow these simple safety

rules :

• Never apply a voltage to the multimeter that exceeds the limits given in the

specifications. Never apply more than 1000V DC or 750V rms AC between an

input jack and ground.

• Use extreme caution when working with voltages above 60V DC or 30V AC rms.

• Always discharge filter capacitors in the power supply circuit under test before you

attach test leads.

• Never connect to a source of voltage when you select DCA, ACA, resistance

measurement or continuity check function.

• Always turn off power and disconnect the test leads before you replace the batteries

or fuse.

• Never operate the multimeter unless the battery cover is in place and fully closed.

When carrying out measurements on TV or switching power circuits, always

remember that there may be high amplitude voltages pulses at test points which can

damage the meter.

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Velleman DVM 68 El manual del propietario Pagina 2