Keysight U3402A Guida alla risoluzione dei problemi

Keysight U3402A 5 1/2 Digit

Dual Display Multimeter

User’s and

Service Guide

2 Keysight U3402A User’s and Service Guide

Notices

No part of this manual may be

reproduced in any form or by any

means (including electronic storage

and retrieval or translation into a

foreign language) without prior

agreement and written consent from

Keysight Technologies as governed by

United States and international

Manual Part Number

U3402-90001

Edition

Edition 10, November 1, 2016

Printed in:

Printed in Malaysia

Published by:

Keysight Technologies

Bayan Lepas Free Industrial Zone,

11900 Penang, Malaysia

Technology Licenses

The hardware and/or software

described in this document are

furnished under a license and may be

used or copied only in accordance with

the terms of such license.

Declaration of Conformity

Declarations of Conformity for this

product and for other Keysight

products may be downloaded from the

Web. Go to http://www.keysight.com/

go/conformity. You can then search by

product number to find the latest

Declaration of Conformity.

U.S. Government Rights

The Software is “commercial computer

software,” as defined by Federal

Acquisition Regulation (“FAR”) 2.101.

Pursuant to FAR 12.212 and 27.405-3

and Department of Defense FAR

Supplement (“DFARS”) 227.7202, the

U.S. government acquires commercial

computer software under the same

terms by which the software is

customarily provided to the public.

Accordingly, Keysight provides the

Software to U.S. government

customers under its standard

commercial license, which is embodied

in its End User License Agreement

(EULA), a copy of which can be found

at http://www.keysight.com/find/

sweula. The license set forth in the

EULA represents the exclusive authority

by which the U.S. government may use,

modify, distribute, or disclose the

Software. The EULA and the license set

forth therein, does not require or

permit, among other things, that

Keysight: (1) Furnish technical

information related to commercial

computer software or commercial

computer software documentation that

is not customarily provided to the

public; or (2) Relinquish to, or

otherwise provide, the government

rights in excess of these rights

customarily provided to the public to

use, modify, reproduce, release,

perform, display, or disclose

commercial computer software or

commercial computer software

documentation. No additional

government requirements beyond

those set forth in the EULA shall apply,

except to the extent that those terms,

rights, or licenses are explicitly required

from all providers of commercial

computer software pursuant to the FAR

and the DFARS and are set forth

specifically in writing elsewhere in the

EULA. Keysight shall be under no

obligation to update, revise or

otherwise modify the Software. With

respect to any technical data as

defined by FAR 2.101, pursuant to FAR

12.211 and 27.404.2 and DFARS

227.7102, the U.S. government

acquires no greater than Limited Rights

as defined in FAR 27.401 or DFAR

227.7103-5 (c), as applicable in any

technical data.

Warranty

THE MATERIAL CONTAINED IN THIS

DOCUMENT IS PROVIDED “AS IS,”

AND IS SUBJECT TO BEING

CHANGED, WITHOUT NOTICE, IN

FUTURE EDITIONS. FURTHER, TO THE

MAXIMUM EXTENT PERMITTED BY

APPLICABLE LAW, KEYSIGHT

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 PARTICULAR PURPOSE. KEYSIGHT

SHALL NOT BE LIABLE FOR ERRORS

OR FOR INCIDENTAL OR

CONSEQUENTIAL DAMAGES IN

CONNECTION WITH THE

FURNISHING, USE, OR

PERFORMANCE OF THIS DOCUMENT

OR OF ANY INFORMATION

CONTAINED HEREIN. SHOULD

KEYSIGHT 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

SEPARATE AGREEMENT SHALL

CONTROL.

Safety Information

CAUTION

A CAUTION notice denotes a hazard. It

calls attention to an operating

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 performed or adhered to,

could result in personal injury or death.

Do not proceed beyond a WARNING

notice until the indicated conditions are

fully understood and met.

Keysight U3402A User’s and Service Guide 3

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 earth (ground) terminal Frame or chassis (ground) terminal

IEC Measurement Category II. Inputs

may be connected to mains (up to

300 VAC) under Category II

overvoltage conditions.

CAT II

300 V

4 Keysight U3402A User’s and Service Guide

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. Keysight

Technologies assumes no liability for the customer’s failure to comply with these

requirements.

WARNING

– Do not exceed any of the measurement limits defined in the specifications

to avoid instrument damage and the risk of electric shock.

– 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.

Keysight U3402A User’s and Service Guide 5

WARNING

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

introducing additional hazards. Return the instrument to Keysight

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 Keysight

Technologies Sales and Service Office for service and repair to ensure the

safety features are maintained.

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.

6 Keysight U3402A User’s and Service Guide

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 Keysight 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

Keysight U3402A User’s and Service Guide 7

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 RCM 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 conforme 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 or 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.

8 Keysight U3402A User’s and Service Guide

Waste Electrical and Electronic Equipment (WEEE) Directive 2002/

96/EC

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

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

electrical or 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 as shown below.

Do not dispose in domestic household waste.

To return this unwanted instrument, contact your nearest Keysight Service Center,

or visit http://about.keysight.com/en/companyinfo/environment/takeback.shtml

for more information.

Sales and Technical Support

To contact Keysight for sales and technical support, refer to the support links on

the following Keysight websites:

–www.keysight.com/find/low-cost-dmm

(product-specific information and support, software and

documentation updates)

–www.keysight.com/find/assist

(worldwide contact information for repair and service)

Keysight U3402A User’s and Service Guide 9

Table of Contents

Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

General Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Regulatory Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Waste Electrical and Electronic Equipment (WEEE) Directive

2002/96/EC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Product category . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Sales and Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

1 Getting Started Tutorial

Introducing the Keysight U3402A Dual Display Multimeter . . . . . . . . .18

Checking the shipping contents . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Connecting power to the multimeter . . . . . . . . . . . . . . . . . . . . . . . .20

Stacking the U3402A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Adjusting the Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Product at a Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Product dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

The front panel at a glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

The display at a glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

The keypad at a glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

The terminals at a glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

The rear panel at a glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Making Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Performing voltage measurements . . . . . . . . . . . . . . . . . . . . . . . . . .34

Performing current measurements . . . . . . . . . . . . . . . . . . . . . . . . . .37

Performing frequency measurements . . . . . . . . . . . . . . . . . . . . . . . .39

Performing resistance measurements . . . . . . . . . . . . . . . . . . . . . . . .40

Performing diode/continuity test . . . . . . . . . . . . . . . . . . . . . . . . . . .42

10 Keysight U3402A User’s and Service Guide

Selecting a Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Setting the Reading Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

2OperationsandFeatures

Operating Math Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

dBm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Rel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

MinMax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Comp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Combination of Math Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Using the Secondary Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Using the Setup Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Changing the Configurable Settings . . . . . . . . . . . . . . . . . . . . . . . . 64

3 Application Tutorial

Applications for Using Dual Display . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Dual Display Operation Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Measure DC Voltage and AC Ripple on a Rectification Circuit . . . . 67

Measure AC and DC Current on a Rectification Circuit . . . . . . . . . . 68

Measure AC Voltage and Frequency on an AC Circuit . . . . . . . . . . . 69

Measure DC Voltage and DC Current on a Transistor Circuit or

Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Measure Resistance Using 2-Wire Mode . . . . . . . . . . . . . . . . . . . . . 72

Measure Resistance Using 4-Wire Mode . . . . . . . . . . . . . . . . . . . . . 73

Measure True RMS AC+DC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

4PerformanceTest

Calibration Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Keysight Technologies Calibration Services . . . . . . . . . . . . . . . . . . . 76

Calibration Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Test Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Performance Verification Test Overview . . . . . . . . . . . . . . . . . . . . . . . . 79

Performance Verification Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

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