Meterman DM73B Manual de usuario

Operator’s Manual

Model DM73B

Pen Style

Digital Multimeter

• Bedienungsanleitung

• Manual de Instrucciones

• Manual d’Utilization

WARRANTY

The DM73B Digital Multimeter is warranted against any defects of

material or workmanship within a period of one (1) year following the

date of purchase of the multimeter by the original purchaser or original

user. Any multimeter claimed to be defective during the warranty

period should be returned with proof of purchase to an authorized

Meterman Test Tools Service Center or to the local Meterman Test

Tools dealer or distributor where your multimeter was purchased. See

maintenance section for details. Any implied warranties arising out of

the sale of a Meterman Test Tools multimeter, including but not lim-

ited to implied warranties of merchantability and fitness for a particular

purpose, are limited in duration to the above stated one (1) year pe-

riod. Meterman Test Tools shall not be liable for loss of use of the

multimeter or other incidental or consequential damages, expenses, or

economical loss or for any claim or claims for such damage, expenses

or economical loss. Some states do not allow limitations on how long

implied warranties last or the exclusion or limitation of incidental or

consequential damages, so the above limitations or exclusions may

not apply to you. This warranty gives you specific legal rights, and you

may also have other rights which vary from state to state.

CONTENTS

Warranty 1

Certifications and Precautions 1

Introduction 2

Measuring Procedures 2

Maintenance and Repair 4

Specifications 5

CERTIFICATIONS AND PRECAUTIONS

■The DM73B instrument is UL, cUL, and EN61010-1 certified for

Installation Category II – 600V. 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 DM73B 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 - Ωinput. 2. Function selector.

3. HOLD button. 4. SHIFT button for AC / DC or Diode /Continuity. 5.

LCD Display. 6. COM input.

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.

DANGER High

Voltage

ATTENTION

Refer to Manual

Protective Conductor

Terminal

This Instrument has

double insulation

Direct Current

Alternating Current

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 estab-

lished. The beeper also sounds when chang-

ing 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.

10 3020

Ω

OFF V ΩSHIFT

DM73B

DIGITAL

MULTIMETER

MAX600V

CAT II

H S

Ω

COM

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

Read the warranty located at the front of this manual before request-

ing warranty or non-warranty repairs. For warranty repairs, any mul-

timeter claimed to be defective can be returned to any Meterman Test

Tools authorized distributor or to a Meterman Test Tools Service

Center for an over-the-counter exchange for the same or like product.

Non-warranty repairs should be sent to a Meterman Test Tools Serv-

ice Center. Please call Meterman Test Tools or enquire at your point

of purchase for the nearest location and current repair rates. All mul-

timeters returned for warranty or non-warranty repair or for calibration

should be accompanied by the following information or items: com-

pany name, customer’s name, address, telephone number, proof of

purchase (warranty repairs), a brief description of the problem or the

service requested, and the appropriate service charge (for non-

warranty repairs). Please include the test leads with the meter. Service

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

Meterman Test Tools or to the specific service center. For minimum

turn-around time on out-of-warranty repairs please phone in advance

for service charge rates. The multimeter should be shipped with trans-

portation charges prepaid to one of the following addresses or to a

service center:

in U.S.A. in Canada in Europe

Meterman Test Tools Meterman Test Tools Meterman Test Tools

1420 75th Street SW 400 Britannia Rd. E.Unit #1 52 Hurricane Way

Everett, WA 98203 Mississauga, ON L4Z 1X9 Norwich, NR6 6JB, U.K.

Tel: 1-877-596-2680 Tel: (905) 890-7600 Tel: int + 44-1603-404824

Fax: 425-446-6390 Fax: (905) 890-6866 Fax: int + 44-1603-482409

The instrument will be returned with the transportation charges paid by

Meterman Test Tools.

SPECIFICATIONS

General Specifications

Display: 3- 3/ 4 digit LCD, 3400 count

Measuring rate: 2.5/ second nominal

Bargraph: 34 segments – updated 20 readings per second

Operating Temp. range: 0 to 40° C, 80% RH

Storage Temp. range: -20 to 60° C, 70% RH

Environmental: Intended for Indoor use, Altitude up to 2000 m.

Measurement Accuracy: x0.1/ C°

Batteries: 2x LR44, SR44 or S76

Life: 100 hours nominal

Auto Power Off: after 10 minutes

Dimension: 7.8” x 1.1” x 1.4”

Weight: .21 lb.

Accessories: Operating manual, test lead with alligator clip, 2 batter-

ies (installed), spare tip.

Approvals: Safety consideration for UK: do not to measure electrical

mains supply.

Safety: Conforms to EN61010- 1: Cat II - 600V; CAT III - 300V , Class

2, Pollution degree II; UL3111-1. EMC: Conforms to EN61326

This product complies with requirements of the follow-

ing European Community Directives: 89/ 336/ EEC

(Electromagnetic Compatibility) and 73/ 23/ EEC (Low

Voltage) as amended by 93/ 68/ EEC (CE Marking). However, electri-

cal noise or intense electromagnetic fields in the vicinity of the equip-

ment may disturb the measurement circuit. Measuring instruments will

also respond to unwanted signals that may be present within the

measurement circuit. Users should exercise care and take appropriate

precautions to avoid misleading results when making measurements

in the presence of electronic interference.

Electrical Specifications

Accuracy at 23°C ± 5°C, < 75 % RH, guaranteed for one year.

DC Volts

Ranges: 340mV, 3.4, 34, 340V, 600V

Accuracy: ± (0.5% rdg + 2 dgt)

Input Impedance: 340 mV range: >100MΩ, other ranges: 10MΩ

Protection: 600VDC or AC rms

AC Volts

Ranges: 3.4V, 34, 340, 600V

Accuracy: ± (1.5 % rdg + 8 dgt) (50 - 500Hz)

Input Impedance: 10MΩ

Protection: 600VDC or AC rms.

Resistance

Ranges: 340 Ω, 3.4, 34, 340 kΩ, 3.4, 34 MΩ

Accuracy:

340Ω- 340kΩ: ± (1.0 % rdg + 4 dgt)

3.4MΩ: ± (1.5 % rdg + 4 dgt)

34 MΩ: ± (3.0 % rdg + 5 dgt)

Max. open circuit voltage: 340Ωrange - 1.2V; all others: - 0.45V

Protection: 500VAC or DC.

Diode Test

Range: 3.4V

Accuracy: ± (2.0%rdg + 3 dgt)

Resolution: 0.1mV in 3.4V range

Short circuit current: 1.0mA

Max open circuit voltage: 3.0VDC

Audible indication: < 0.2V

Overload prot.: 500VDC or AC rms

Continuity

Display response: <0.5s

Continuity threshold: ≤30 Ω

Overload prot.: 500VDC or AC rms

Accessories / User Replaceable Parts

TL73B Test lead with alligator clip

VC11 Vinyl Case

TP73B Replaceable Probe tip

Battery Type SR44, LR44, or S76

Bedienungsanleitung

Model DM73B

Digitales Stift-Multimeter

GEWÄHRLEISTUNG

Das digitale Stift- Multimeter DM73B ist ab Kaufdatum für ein (1) Jahr

gegen Material- und Herstellungsfehler gewährleistet. Siehe “Repara-

tur” für Einzelheiten. Für weiterführende Ansprüche aus Garantiefäl-

len, wie Folgeschäden, Gewinnausfälle usw. kommt nicht auf.

INHALT

Gewährleistung 9

Warnungen und Sicherheitshinweise 9

Beschreibung 10

Bedienungsanleitung 10

Wartung und Reparatur 11

Spezifikationen 13

ERKLÄRUNG DER SYMBOLE

Warnungen und Sicherheitshinweise

Anmerkung: Das Symbol auf der Frontplatte des Gerätes bedeutet:

“Bitte die Bedienungsanleitung folgen.” ■Dieses Gerät ist UL, cUL,

und EN61010- 1 zertifiziert für Installationsklasse II. Anwendung ist

empfohlen für lokale Stromverteilung, Haushaltgeräte, tragbare

Geräte, usw, wo nur kleinere Spannungsspitzen auftre-ten können,

und nicht für primäre Stromverteilung und Hochspannungsleitungen.

■Überschreiten Sie nie die kontinuierlichen Überlastgrenzen per

Funktion (siehe Spezifikationen) oder andere Grenzen welche auf

dem Gerät markiert sind. Legen Sie nie mehr als 600V Gleichspan-

nung zwischen Meßkabel und Erde an. ■Äußerste Vorsicht beim

Messen von: Spannung >20V // beim Messen an Bildröhrgeräten

Achtung! Bitte

Anleitung lesen

Eine gefährliche

Spannung kann den

Eingängen anliegen.

Erdanschluß

Dieses Gerät ist

doppelt isoliert.

Gleichstrom

Wechselstrom

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