Amprobe DM73C Manuale utente

DM73CDM73C

Digital

Multimeter

Pen Style DMM

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Users Manual

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OFF VSHIFT

DM73C

DIGITAL

MULTIMETER

H S

COM

CAT III - 300V

CAT II - 600V

MAX

DM73C

Digital Multimeter

Users Manual

•Manual de uso

•Mode d’emploi

•Bedienungshandbuch

•Manuale d’Uso

PN 2728873

August 2006

©Amprobe®Test Tools.

DM73C

Digital Multimeter

Users Manual

•Manual de uso

•Mode d’emploi

•Bedienungshandbuch

•Manuale d’Uso

English

WARRANTY

Your Amprobe®product will be free from defects in material and

workmanship for 1 year from the date of purchase. This warranty

does not cover fuses, disposable batteries or damage from

accident, neglect, misuse, alteration, contamination, or abnormal

conditions of operation or handling. Resellers are not authorized to

extend any other warranty on Amprobe’s behalf. To obtain service

during the warranty period, return the product with proof of

purchase to an authorized Amprobe® Test Tools Service Center or

to a Amprobe® dealer or distributor. See Repair Section above for

details. THIS WARRANTY IS YOUR ONLY REMEDY. ALL OTHER

WARRANTIES - WHETHER EXPRESS, IMPLIED OR STAUTORY

- INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A

PARTICULAR PURPOSE OR MERCHANTABILITY, ARE HEREBY

DISCLAIMED. MANUFACTURER SHALL NOT BE LIABLE FOR

ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL

DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR

THEORY. Since some states or countries do not allow the exclusion

or limitation of an implied warranty or of incidental or consequential

damages, this limitation of liability may not apply to you.

CERTIFICATIONS AND PRECAUTIONS

■The DM73C instrument is UL, cUL, and EN61010-1 certified for

Installation Category II – 600V and Category III – 300V. It is

recommended for use with local level power distribution,

appliances, portable equipment, etc, where only smaller transient

overvoltages may occur, and not for primary supply lines, overhead

lines and cable systems. ■Do not exceed the maximum overload

limits per function (see specifications) nor the limits marked on the

instrument itself. Never apply more than 600VDC between the test

lead and earth ground.■Exercise extreme caution when:

measuring voltage >20V // servicing CRT equipment. ■Inspect

DMM, test leads and accessories before every use. Do not use any

damaged part. ■Never ground yourself when taking

measurements. Do not touch exposed circuit elements or probe

tips. ■Do not operate instrument in an explosive atmosphere.

EXPLANATION OF SYMBOLS

INTRODUCTION

The DM73C is a probe-type digital multimeter capable of

measuring DC and AC voltage, resistance, diode and continuity. Its

controls are: Volts (V), Ohms ( Ω), Diode Test and Continuity

Beeper ( ), On- Off, AC/ DC and Hold. (See page 3) 1. V - Ω

input. 2. Function selector. 3. HOLD button. 4. SHIFT button for

AC / DC or Diode /Continuity. 5. LCD Display. 6. COM input.

DANGER High

Voltage

ATTENTION

Refer to Manual

Protective Conductor

Terminal

This Instrument has

double insulation

Direct Current

Alternating Current

MEASURING PROCEDURES

Note: When connecting or disconnecting test leads to or from a

circuit, always first turn off power to the circuit under test and

discharge all capacitors.

DC / AC Voltage Measurement

Set the Function switch to “V”. Select AC or DC by pressing the

mode selector button (AC or DC is displayed). Connect the

instrument to the circuit and read the measured voltage in the

display.

Resistance Measurement

Set the Function switch to “ Ω”. Connect the instrument across the

resistance and read the value in the display. When measuring high

resistance values, take care not to touch the test leads.

Continuity Measurement

Set the Function switch to Ω. Press the mode selector button once,

so that appears ( ) in the LCD. Connect the instrument across the

device or wire to be tested. Beeper will sound when continuity is

established. The beeper also sounds when changing functions,

modes, or for Probe Hold.

Diode Measurement

Set the Function switch to Ω. Press the mode selector button twice,

so that appears ( ) in the LCD. Connect the instrument across

the device to be tested. The forward voltage drop of a good diode is

about 0.6V. An open or reverse biased diode will read “OL”.

Data Hold

Push the HOLD button to “freeze” the measurement reading and

then remove the test leads while the reading remains displayed.

HOLD is useful when it is necessary to pay very close attention to

your work. Pushing the HOLD button again releases the display.

Automatic Shutdown

This function causes the meter to enter power saving mode after

approximately 10 minutes. Disable automatic shutdown by holding

the shift button down while turning the meter on.

MAINTENANCE

In Case of Difficulties In the case of improper operation of the

meter, first review the operating instructions for possible errors in

operation. Inspect and check test leads for continuity. Check the

condition of the batteries. The battery “ ” symbol appears when

the voltage falls below the level where accuracy is guaranteed.

Replace batteries immediately.

Battery Replacement

Warning: In order to avoid electrical shock,

remove the test lead before opening the

case. To replace the batteries ( 2 – LR44)

unscrew the battery hatch screw and remove

the old batteries. Install the new batteries

observing the diagram in the battery area.

Cleaning Procedure

Gently wipe dirt from the surface of the unit with a soft cloth

moistened with a small amount of water or neutral cleanser. Do not

use benzene, alcohol, acetone, ether, paint thinner, lacquer or

ketone solvents on the units, under any circumstances as these

may cause deformation or discoloration.

REPAIR

All test tools returned for warranty or non-warranty repair or for

calibration should be accompanied by the following: your name,

company’s name, address, telephone number, and proof of

purchase. Additionally, please include a brief description of the

problem or the service requested and include the test leads with the

meter. Non-warranty repair or replacement charges should be

remitted in the form of a check, a money order, credit card with

expiration date, or a purchase order made payable to Amprobe®

Test Tools.

In-Warranty Repairs and Replacement – All Countries

Please read the warranty statement and check your battery before

requesting repair. During the warranty period any defective test tool

can be returned to your Amprobe® Test Tools distributor for an

exchange for the same or like product. Please check the “Where to

Buy” section on www.amprobe.com for a list of distributors near

you. Additionally, in the United States and Canada In-Warranty

repair and replacement units can also be sent to a Amprobe® Test

Tools Service Center (see below for address).

Non-Warranty Repairs and Replacement – US and Canada

Non-warranty repairs in the United States and Canada should be

sent to a Amprobe® Test Tools Service Center. Call Amprobe® Test

Tools or inquire at your point of purchase for current repair and

replacement rates.

In USA In Canada

Amprobe® Test Tools Amprobe® Test Tools

Everett, WA 98203 Mississauga, ON L4Z 1X9

Tel: 888-993-5853 Tel: 905-890-7600

Fax: 425-446-6390 Fax: 905-890-6866

Non-Warranty Repairs and Replacement – Europe

European non-warranty units can be replaced by your Amprobe®

Test Tools distributor for a nominal charge. Please check the

“Where to Buy” section on www.amprobe.com for a list of

distributors near you.

European Correspondence Address*

Amprobe® Test Tools Europe

P.O. Box 1186 / 5602 BD Eindhoven / The Netherlands

*(Correspondence only – no repair or replacement available from

this address. European customers please contact your distributor.)

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