Keysight Technologies U1453A Manuel utilisateur

Keysight U1450 Series

Insulation Testers and

U1461A Insulation

Multimeter

Service Guide

2 U1450 Series/U1461A 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

U1451-90014

Edition

Edition 5, June 30, 2017

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.

U1450 Series/U1461A Service Guide 3

Safety Symbols

The following symbols on the instrument and in the documentation indicate

precautions which 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 Category III 1000 V overvoltage

protection

Earth (ground) terminal Category IV 600 V overvoltage

protection

Equipment protected throughout by

double insulation or reinforced

insulation

Do not use in distribution systems with

voltages higher than 600 V

CAT III

1000 V

CAT IV

600 V

4 U1450 Series/U1461A Service Guide

Safety Considerations

Read the information below before using this tester. The descriptions and

instructions in this manual apply to the Keysight U1461A Insulation Multimeter

and the U1450 Series Insulation Tester.

The word tester is used to represent both models.

WARNING

– Do not use the tester if it is damaged. Before you use the tester, inspect

the case. Look for cracks or missing plastic. Pay particular attention to

the insulation surrounding the connectors.

– Inspect the test leads for damaged insulation or exposed metal. Check

the test leads for continuity. Replace damaged test leads before you use

the tester.

– Do not operate the tester around explosive gas, vapor, or wet

environments.

– Do not apply more than the rated voltage (as marked on the tester)

between terminals, or between terminal and earth ground.

– Before use, verify the tester's operation by measuring a known voltage.

– When servicing the tester, use only the specified replacement parts.

– Use caution when working above 60 VDC, 30 VAC RMS, or 42.4 V peak.

Such voltages pose a shock hazard.

– When using the probes, keep your fingers behind the finger guards on the

probes.

– Connect the common test lead before you connect the live test lead.

When you disconnect the leads, disconnect the live test lead first.

– Remove the test leads from the tester before you open the battery cover.

– Do not operate the tester with the battery cover or portions of the cover

removed or loosened.

– To avoid false readings, which may lead to possible electric shock or

personal injury, replace the battery as soon as the low battery indicator

appears and flashes.

U1450 Series/U1461A Service Guide 5

WARNING

– Ensure that you do not perform insulation resistance tests in distribution

systems with voltages higher than 600 V.

– For insulation resistance tests, ensure that you select a suitable test

voltage for the equipment to be tested.

For model U1461A only:

– When measuring current, turn off the circuit power before connecting the

tester in the circuit. Remember to place the tester in series with the

circuit.

– Be aware of the presence of hazardous voltage before using the Low Pass

Filter (LPF) function for voltage measurement. Voltages measured are

usually greater than the values indicated on the tester as the voltages

with higher frequencies have been filtered through the LPF function.

CAUTION

– Disconnect circuit power and discharge all high-voltage capacitors

before testing resistance, continuity, diodes, or capacitance.

– Use the proper terminals, function, and range for your measurements.

– This device is for use at altitudes of up to 2,000 m.

– Always use the specified battery type. The power for the tester is

supplied by four 1.5 V AA batteries. Observe the correct polarity markings

before you insert the batteries to ensure proper insertion of the batteries

in the tester.

– You are advised to use low leakage batteries when changing to new

batteries. Please remember to remove the batteries when the tester is not

in use for a long period of time. Warning on the risk of battery leakage.

For model U1461A only:

– Never measure voltage when current measurement is selected.

6 U1450 Series/U1461A 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 this

instrument.

Environmental Requirement

Temperature

Operating condition

– –40 °C to 55 °C, 0% to 80% RH (using lithium batteries),

>1 hour operating time[a]

– –20 °C to 55 °C, 0% to 80% RH (using alkaline batteries),

20 minutes operating time[a]

Storage condition

– –40 °C to 70 °C, 0% to 80% RH (without batteries)

[a] The operating time is defined when the tester stays at a temperature of 20 °C, and then it is moved to colder

environment of –40 °C for short period of time. The operating temperature of the battery should be allowed from

–20 °C or –40 °C. You should monitor the ambient temperature sensed by the tester. The tester is operational if

the temperature display is not less than –20 °C or –40 °C, according to battery type.

Humidity Full accuracy up to 80% RH for temperatures up to 30 °C,

decreasing linearly to 50% RH at 55 °C

Altitude Up to 2,000 meters

Pollution degree Pollution degree II

NOTE

The U1461A Insulation Multimeter and U1453A Insulation Tester complies with

the following safety and EMC requirements:

– Safety compliance

– Designed in compliance to IEC/EN 61010-1:2010 for Category III 1000 V

and Category IV 600 V

– Designed in compliance to IEC/EN 61557-1, IEC/EN 61557-2, and IEC/

EN 61557-4

– EMC compliance

– Commercial limits compliance with IEC 61326-1:2005/EN 61326-1:2006

U1450 Series/U1461A 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 U1450 Series/U1461A 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/insulationtesters

(product-specific information and support, software and

documentation updates)

–www.keysight.com/find/assist

(worldwide contact information for repair and service)

U1450 Series/U1461A Service Guide 9

Table of Contents

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

Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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 Calibration Procedures

Calibration Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Closed-case calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Keysight calibration services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Calibration interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Adjustment is recommended . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Calibration Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Test Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Performance Verification Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Performance verification tests for U1452A/U1452AT/U1451A . . . .21

Performance verification tests for U1461A/U1453A . . . . . . . . . . . . .25

Calibration Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Unsecuring the Instrument for Calibration . . . . . . . . . . . . . . . . . . . . . .32

To unsecure the instrument from the front panel . . . . . . . . . . . . . . .32

To change the calibration security code . . . . . . . . . . . . . . . . . . . . . .33

To reset the calibration security code to its factory default . . . . . . .33

Using the Front Panel for Adjustments . . . . . . . . . . . . . . . . . . . . . . . . .35

Adjustment considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Valid adjustment input values (U1452A/U1452AT/U1451A) . . . . . .36

Valid adjustment input values (U1453A) . . . . . . . . . . . . . . . . . . . . . .38

10 U1450 Series/U1461A Service Guide

Valid adjustment input values (U1461A) . . . . . . . . . . . . . . . . . . . . . 42

Adjustment procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Non-Contact Voltage (NCV) Calibration . . . . . . . . . . . . . . . . . . . . . 47

Exiting the adjustment mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Calibration Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Calibration Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

2ServiceandMaintenance

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Fuse Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Returning the Instrument for Service . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

To order replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Types of Service Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Extended service contracts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Obtaining Repair Service (Worldwide) . . . . . . . . . . . . . . . . . . . . . . . . . . 58

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