Keysight U1452A Manuale utente

Keysight U1452A/U1452AT/

U1451A Insulation Tester

User’s Guide

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U1452A/U1452AT/U1451A User’s Guide I

II U1452A/U1452AT/U1451A User’s 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 Keysight

Technologies as governed by United States

and international copyright laws.

Manual Part Number

U1451-90003

Edition

Edition 3, December 5, 2014

Keysight Technologies

1400 Fountaingrove Parkway

Santa Rosa, CA 95403

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, Keysight disclaims all warran-

ties, either express or implied, with

regard to this manual and any infor-

mation contained herein, including

but not limited to the implied warran-

ties of merchantability and fitness for

a particular purpose. Keysight shall

not be liable for errors or for inciden-

tal or consequential damages in con-

nection 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.

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. Keysight 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.

U1452A/U1452AT/U1451A User’s Guide III

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

IV U1452A/U1452AT/U1451A User’s Guide

Safety Considerations

Read the information below before using this tester. Model U1452A appears in all

illustrations.

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.

• 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.

U1452A/U1452AT/U1451A User’s Guide V

CAUTION

•Disconnect circuit power and discharge all high-voltage capacitors before testing

resistance, continuity, 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 with 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.

VI U1452A/U1452AT/U1451A User’s 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 condition Requirement

Te m p e r at u r e

• Operating condition

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

20 minutes operating time

• Storage condition

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

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 U1452A/U1452AT/U1451A 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

U1452A/U1452AT/U1451A User’s Guide VII

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 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.

VIII U1452A/U1452AT/U1451A User’s 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

www.keysight.com/environment/product

for more information.

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