Agilent Technologies U3402A Manuale utente

Agilent Technologies

Agilent U3402A

5 1/2 Digit Dual Display

Multimeter

User’s and Service Guide

ii U3402A User’s and Service Guide

Notices

No part of this manual may be reproduced in

any form or by any means (including elec-

tronic storage and retrieval or translation

into a foreign language) without prior agree-

ment and written consent from Agilent

Technologies, Inc. as governed by United

States and international copyright laws.

Manual Part Number

U3402-90001

Edition

Fourth Edition, June 14, 2012

Printed in Malaysia

Agilent Technologies, Inc.

5301 Stevens Creek Blvd.

Santa Clara, CA 95051 USA

Warranty

The material contained in this docu-

ment is provided “as is,” and is sub-

ject to being changed, without notice,

in future editions. Further, to the max-

imum extent permitted by applicable

law, Agilent disclaims all warranties,

either express or implied, with regard

to this manual and any information

contained herein, including but not

limited to the implied warranties of

merchantability and fitness for a par-

ticular purpose. Agilent shall not be

liable for errors or for incidental or

consequential damages in connec-

tion with the furnishing, use, or per-

formance of this document or of any

information contained herein. Should

Agilent and the user have a separate

written agreement with warranty

terms covering the material in this

document that conflict with these

terms, the warranty terms in the sep-

arate agreement shall control.

Technology Licenses

The hardware and/or software described in

this document are furnished under a license

and may be used or copied only in accor-

dance with the terms of such license.

Restricted Rights Legend

U.S. Government Restricted Rights. Soft-

ware and technical data rights granted to

the federal government include only those

rights customarily provided to end user cus-

tomers. Agilent provides this customary

commercial license in Software and techni-

cal data pursuant to FAR 12.211 (Technical

Data) and 12.212 (Computer Software) and,

for the Department of Defense, DFARS

252.227-7015 (Technical Data - Commercial

Items) and DFARS 227.7202-3 (Rights in

Commercial Computer Software or Com-

puter Software Documentation).

Safety Notices

CAUTION

A CAUTION notice denotes a haz-

ard. It calls attention to an operat-

ing procedure, practice, or the like

that, if not correctly performed or

adhered to, could result in damage

to the product or loss of important

data. Do not proceed beyond a

CAUTION notice until the indicated

conditions are fully understood and

met.

WARNING

A WARNING notice denotes a

hazard. It calls attention to an

operating procedure, practice, or

the like that, if not correctly per-

formed or adhered to, could result

in personal injury or death. Do not

proceed beyond a WARNING

notice until the indicated condi-

tions are fully understood and

met.

U3402A User’s and Service Guide iii

Safety Symbols

The following symbol on the instrument and in the documentation

indicates precautions that must be taken to maintain safe operation of the

instrument.

Direct current (DC) Caution, risk of electric shock

Alternating current (AC) Caution, risk of danger (refer to this

manual for specific Warning or Caution

information)

Both direct and alternating current Out position of a bi-stable push control

Earth (ground) terminal In position of a bi-stable push control

Protective conductor terminal Frame or chassis terminal

IEC Measurement Category II. Inputs may

be connected to mains (up to 300 VAC)

under Category II overvoltage conditions.

CAT II

300 V

iv U3402A User’s and Service Guide

Regulatory Markings

The CE mark is a registered trademark

of the European Community. This CE

mark shows that the product complies

with all the relevant European Legal

Directives.

The C-tick mark is a registered

trademark of the Spectrum

Management Agency of Australia. This

signifies compliance with

the Australia EMC Framework

regulations under the terms of the

Radio Communication Act of 1992.

ICES/NMB-001 indicates that this ISM

device complies with the Canadian

ICES-001.

Cet appareil ISM est confomre a la

norme NMB-001 du Canada.

This instrument complies with the

WEEE Directive (2002/96/EC) marking

requirement. This affixed product label

indicates that you must not discard

this electrical/electronic product in

domestic household waste.

The CSA mark is a registered

trademark of the Canadian Standards

Association.

This symbol indicates the time period

during which no hazardous or toxic

substance elements are expected to

leak or deteriorate during normal use.

Forty years is the expected useful life

of the product.

U3402A User’s and Service Guide v

General Safety Information

The following general safety precautions must be observed during all

phases of operation, service, and repair of this instrument. Failure to

comply with these precautions or with specific warnings elsewhere in this

manual violates safety standards of design, manufacture, and intended

use of the instrument. Agilent Technologies assumes no liability for the

customer’s failure to comply with these requirements.

WARNING

• Do not defeat power cord safety ground feature. Plug in to a grounded (earthed)

outlet.

• Do not use instrument in any manner that is not specified by the manufacturer.

• Double-check the instrument’s operation by measuring a known voltage.

• For current measurement, turn off circuit power before connecting the

instrument to the circuit. Always place the instrument in series with the circuit.

• When connecting probes, always connect the common test probe first. When

disconnecting probes, always disconnect the live test probe first.

• Do not measure more than the rated voltage (as marked on the multimeter)

between terminals, or between terminal and earth ground.

• Do not use repaired fuses or short-circuited fuse-holders. For continued

protection against fire, replace the line fuses only with fuses of the same voltage

and current rating and recommended type.

• Do not service or perform adjustments alone. Under certain conditions,

hazardous voltages may exist, even with the instrument switched off. To avoid

dangerous electric shock, service personnel must not attempt internal service or

adjustment unless another person, capable of rendering resuscitation or first aid,

is present.

• Do not substitute parts or modify instrument to avoid the danger of introducing

additional hazards. Return the instrument to Agilent Technologies Sales and

Service Office for service and repair to ensure the safety features are maintained.

• Do not operate damaged instrument as the safety protection features built into

this instrument may have been impaired, either through physical damage,

excessive moisture, or any other reason. Remove power and do not use the

instrument until safe operation can be verified by service-trained personnel. If

necessary, return the instrument to Agilent Technologies Sales and Service Office

for service and repair to ensure the safety features are maintained.

vi U3402A User’s and Service Guide

CAUTION

• Turn off circuit power and discharge all high-voltage capacitors in the circuit before

you perform resistance, continuity, or diode tests.

• Use the correct terminals, functions, and range for your instrument.

• Do not measure voltage when current measurement is selected.

• Use the instrument with the cables provided.

• Repair or service that is not covered in this manual should only be performed by

qualified personnels.

U3402A User’s and Service Guide vii

Environmental Conditions

This instrument is designed for indoor use and in an area with low

condensation. The table below shows the general environmental

requirements for the instrument.

Environmental Conditions Requirements

Operating temperature Full accuracy from 0 °C to 50°C (Operating)

Operating humidity Full accuracy up to 80 % R.H. (relative humidity)

for temperature up to 28°C

Storage temperature –20 °C to 60 °C (Non-operating)

Altitude Operating up to 2,000 metres (6,562 feet)

Pollution degree Pollution Degree 2

NOTE

The Agilent U3402A 5 1/2 digit dual display multimeter complies with

the following EMC requirements:

• IEC 61010-1:2001/EN61010-1:2001 (2nd Edition)

• Canada: CAN/CSA-C22.2 No. 61010-1-04

• USA: ANSI/UL 61010-1:2004

• IEC 61326-1:2005/EN 61326-1:2006

• Canada: ICES/NMB-001: Issue 4, June 2006

• Australia/New Zealand: AS/NZS CISPR11:2004

viii U3402A User’s and Service Guide

Waste Electrical and Electronic Equipment (WEEE) Directive

2002/96/EC

This instruction complies with the WEEE Directive (2002/96/EC) marking

requirement. This affixed product label indicates that you must not discard

this electrical/electronic product in domestic household waste.

Product Category:

With reference to the equipment types in the WEEE directive Annex 1, this

instrument is classified as a “Monitoring and Control Instrument” product.

The affixed product label is shown as below:

Do not dispose in domestic household waste

To return this unwanted instrument, contact your nearest Agilent office, or

visit

www.agilent.com/environment/product

for more information.

U3402A User’s and Service Guide ix

Declaration of Conformity (DoC)

The Declaration of Conformity (DoC) for this instrument is available on the

Web site. You can search the DoC by its product model or description.

http://regulations.corporate.agilent.com/DoC/search.htm

NOTE

If you are unable to search for the respective DoC, please contact your

local Agilent representative.

x U3402A User’s and Service Guide

In This Guide ...

1Getting Started Tutorial

This chapter provides an introduction to the U3402A digital multimeter and

a tutorial showing how to use the front panel in order to make

measurements.

2 Operations and Features

This chapter explains the various functions and features available to the

U3402A digital multimeter.

3Application Tutorial

This chapter describes the advanced features and the possible

applications for effective operation of the multimeter.

4Performance Test

This chapter contains performance test procedures. The performance test

procedures allow you to verify that the multimeter is operating within its

published specifications.

5 Disassembly and Repair

This chapter will help you troubleshoot a faulty multimeter. It describes

how to disassemble the multimeter, how to obtain repair services, and

lists the replaceable parts.

6Specifications and Characteristics

This chapter describes the multimeter’s specifications and operating

specifications

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