Agilent Technologies U1252B Bedienungsanleitung

Agilent Technologies

Agilent U1251B and

U1252B Handheld Digital

Multimeter

User’s and Service Guide

II Agilent U1251B/U1252B 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

U1251-90036

Edition

Tenth Edition, March 7, 2013

Printed in Malaysia

Agilent Technologies, Inc.

5301 Stevens Creek Blvd.

Santa Clara, CA 95051 USA

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).

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.

Accessories Warranty

Agilent offers warranty for product’s acces-

sories for up to 3 months from the end-user

acceptance date.

Standard Calibration Service

(optional)

Agilent offers an optional calibration service

contract for a period of 3 years from

end-user acceptance date.

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.

Agilent U1251B/U1252B User’s and Service 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) Off (supply)

Alternating current (AC) On (supply)

Both direct and alternating current Caution, risk of electric shock

Three-phase alternating current Caution, risk of danger (refer to this manual

for specific Warning or Caution information)

Earth (ground) terminal Caution, hot surface

Protective conductor terminal Out position of a bi-stable push control

Frame or chassis terminal In position of a bi-stable push control

Equipotentiality Category III 1000 V overvoltage protection

Equipment protected throughout by

double insulation or reinforced

insulation

Category IV 600 V overvoltage protection

CAT III

1000 V

CAT IV

600 V

IV Agilent U1251B/U1252B User’s and Service Guide

Safety Information

This meter is safety-certified in compliance with EN/IEC 61010-1:2001, UL

61010-1 Second Edition and CAN/CSA 22.2 61010-1 Second Edition, CAT

III 1000 V/ CAT IV 600 V Overvoltage Protection, Pollution Degree II. Use

with standard or compatible test probes.

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.

CAUTION

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

you perform resistance, continuity, diodes, or capacitance tests.

•Use the correct terminals, function, and range for your measurements.

•Never measure voltage when current measurement is selected.

•Use only recommended rechargeable battery. Ensure proper insertion of battery in the

meter, and follow the correct polarity.

•Disconnect test leads from all the terminals during battery charging.

Agilent U1251B/U1252B User’s and Service Guide V

WARNING

• When working above 70 VDC, 33 VAC RMS or 46.7 V peak, exercise caution – such

range pose a shock hazard.

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

terminals, or between terminal and earth ground.

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

•Forcurrentmeasurement, turn off circuit power before connecting the meter to the

circuit. Always place the meter 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.

• Detach test probes from the meter before you open the battery cover.

• Do not use the meter with the battery cover or part of the cover removed or loose.

• Replace the battery as soon as the low battery indicator flashes on screen. This is

to avoid false readings, which may lead to possible electric shock or personal injury.

• Do not operate the product in an explosive atmosphere or in the presence of

flammable gases or fumes.

• Inspect the case for cracks or missing plastic. Pay extra attention to the insulation

surrounding the connectors. Do not use the meter if it is damaged.

• Inspect the test probes for damaged insulation or exposed metal, and check for

continuity. Do not use the test probe if it is damaged.

• Do not use any other AC charger adaptor apart from the one certified by Agilent with

this product.

• 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 condition, hazardous

voltages may exist, even with the equipment 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 equipment to avoid the danger of introducing

additional hazards. Return the product to Agilent Technologies Sales and Service

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

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

product may have been impaired, either through physical damage, excessive

moisture, or any other reason. Remove power and do not use the product until safe

operation can be verified by service-trained personnel. If necessary, return the

product to Agilent Technologies Sales and Service Office for service and repair to

ensure the safety features are maintained.

VI Agilent U1251B/U1252B 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.

Agilent U1251B/U1252B User’s and Service Guide VII

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/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 Agilent

Technologies, or visit: www.agilent.com/environment/product for more

information.

Agilent Technologies, through Rechargeable Battery Recycling Corporation (RBRC), offers free and convenient

battery recycling options in the U.S. and Canada. Contact RBRC at 877-2-RECYCLE (877.273.2925) or online at:

http://www.call2recycle.org/ for the nearest recycling location.

VIII Agilent U1251B/U1252B User’s and Service Guide

In This Guide…

1GettingStarted

This chapter contains information on the Agilent U1251B and U1252B

handheld multimeter front panel, rotary switch, keypad, display, terminals

and rear panel.

2 Making Measurements

This chapter contains information on how to make measurements using

the U1251B and U1252B handheld digital multimeter.

3 Functions and Features

This chapter contains information on the functions and features that are

available for the U1251B and U1252B digital multimeter.

4 Changing The Default Setting

This chapter shows you how to change the default factory settings of the

U1251B and U1252B and other available setting options.

5 Maintenance

This chapter will go through how to troubleshoot the handheld digital

multimeter if any problems arise.

6 Performance Tests and Calibration

This chapter contains the performance test procedures and the

adjustment procedure.

7 Specifications

This chapter lists the product characteristics, specification assumptions

and the specifications of the U1251B and U1252B digital multimeters.

Agilent U1251B/U1252B 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 Agilent U1251B/U1252B User’s and Service Guide

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