Agilent Technologies U1242A Manual de Serviço Página 1

Agilent TechnologiesAgilent U1241A and U1242AHandheld Digital MultimetersUser’s and Service Guide

X U1241A/U1242A User’s and Service GuideDeclaration of Conformity (DoC)The Declaration of Conformity (DoC) for this instrument is available on the We

U1241A/U1242A User’s and Service Guide XIContents1 Getting StartedIntroduction 2Checking the Shipping Contents 3The Front Panel at a Glance 4Adjusting

XII U1241A/U1242A User’s and Service GuideRefresh Hold 19NULL (Relative) 19Data Logging (U1242A) 20Manual Logging 21Interval Logging 21Reviewing Logge

U1241A/U1242A User’s and Service Guide XIIIRecommended Test Equipment 38Basic Operating Test 39Backlight Test 39Testing the Display 39Input-A Terminal

XIV U1241A/U1242A User’s and Service GuideHarmonic Ratio Specifications 62Frequency Specifications 63Frequency Sensitivity During Voltage Measurement[

1Agilent TechnologiesU1241A and U1242A Handheld Digital MultimetersUser’s and Service Guide1Getting Started Introduction 2 Checking the Shipping Conte

2 U1241A/U1242A User’s and Service Guide1Getting Started IntroductionThe handheld digital multimeters’ key features are:• DC, AC voltage and current

Getting Started 1U1241A/U1242A User’s and Service Guide 3Checking the Shipping ContentsVerify that you have received the following items for the sta

4 U1241A/U1242A User’s and Service Guide1Getting Started The Front Panel at a GlanceFigure 1-1 Front panel of a U1241A and U1242A handheld digital mu

Getting Started 1U1241A/U1242A User’s and Service Guide 5The Annunciator at a GlanceTo view the full display, press and hold while turning the rot

II U1241A/U1242A User’s and Service GuideNotices© Agilent Technologies, Inc., 2007 – 2012No part of this manual may be reproduced in any form or by a

6 U1241A/U1242A User’s and Service Guide1Getting Started Analog Bar GraphWhen frequency is indicated on the primary display during voltage or cur-ren

Getting Started 1U1241A/U1242A User’s and Service Guide 7Table 1 - 4 Keypad descriptions and functionsTable 1 - 5 Features that can be accessed thro

8 U1241A/U1242A User’s and Service Guide1Getting Started The Input Terminal at a GlanceFigure 1-5 Input terminal of a U1242A handheld digital multime

9Agilent TechnologiesU1241A and U1242A Handheld Digital MultimeterUser’s and Service Guide2Features and FunctionsMeasuring Voltage 10Measuring Current

10 U1241A/U1242A User’s and Service Guide2 Features and Functions Measuring VoltageMeasuring DC Voltage

Features and Functions 2U1241A/U1242A User’s and Service Guide 11Measuring Current (< 440 mA)Measuring % Scale of 4 – 20 mA NOTEIf the measured v

12 U1241A/U1242A User’s and Service Guide2 Features and Functions Measuring Frequency Measuring Resistance and Testing ContinuityCAUTIONDisconnect

Features and Functions 2U1241A/U1242A User’s and Service Guide 13Testing DiodesNOTEPress button to select measurement range from 1 kW to 100 MW.CA

14 U1241A/U1242A User’s and Service Guide2 Features and Functions Measuring CapacitanceMeasuring TemperatureCAUTIONDisconnect circuit power and di

Features and Functions 2U1241A/U1242A User’s and Service Guide 15If you are working in a varied environment, where ambient temperature is not consta

U1241A/U1242A User’s and Service Guide IIISafety SymbolsThe following symbols on the instrument and in the documentation indicate precautions which mu

16 U1241A/U1242A User’s and Service Guide2 Features and Functions Measuring Harmonic Ratio (U1242A)Using Switch CounterPress at positionHarmonic

Features and Functions 2U1241A/U1242A User’s and Service Guide 171 Remove the power on the contacts or switch before measured. 2 Press at positi

18 U1241A/U1242A User’s and Service Guide2 Features and Functions MINMAX Recording1 Press for more than one second to enter MINMAX Recording mod

Features and Functions 2U1241A/U1242A User’s and Service Guide 19Refresh HoldUsers are required to activate the Refresh Hold in the setup mode.1 Pre

20 U1241A/U1242A User’s and Service Guide2 Features and Functions Data Logging (U1242A)The data logging function stores the data in non- volatile

Features and Functions 2U1241A/U1242A User’s and Service Guide 21Manual LoggingTo enable the Hand (manual) logging function, select the Hand logging

22 U1241A/U1242A User’s and Service Guide2 Features and Functions Figure 2-7 Interval logging displayReviewing Logged Data1 Press (View) for mor

Features and Functions 2U1241A/U1242A User’s and Service Guide 23Scanning Temperature Measurement (U1242A)This scanning temperature measurement func

24 U1241A/U1242A User’s and Service Guide2 Features and Functions Alerts and Warning During Measurement Overload AlertThe meter provides an overlo

25Agilent TechnologiesU1241A and U1242A Handheld Digital MultimeterUser’s and Service Guide3Default Setting ConfigurationsSetting Configurations 26Thi

IV U1241A/U1242A User’s and Service GuideGeneral Safety InformationThe following general safety precautions must be observed during all phases of ope

26 U1241A/U1242A User’s and Service Guide3 Default Setting ConfigurationsSetting Configurations1 Turn meter OFF. 2 From OFF position, press and hold

Default Setting Configurations 3U1241A/U1242A User’s and Service Guide 27Table 3 - 9 Available setting options in Setup modeMenu item Available settin

28 U1241A/U1242A User’s and Service Guide3 Default Setting Configurations[1] To activate the meter after it has auto power off, press any button to r

29Agilent TechnologiesU1241A and U1242A Handheld Digital MultimeterUser’s and Service Guide4Service and MaintenanceGeneral Maintenance 30Battery Repla

30 U1241A/U1242A User’s and Service Guide4 Service and Maintenance General MaintenanceBesides the above hazard, dirt or moisture in the terminals can

Service and Maintenance 4U1241A/U1242A User’s and Service Guide 313 Lift and remove the battery cover to the direction of screw.4 Replace the spe

32 U1241A/U1242A User’s and Service Guide4 Service and Maintenance 3 Gently remove the defective Fuse 1 by prying one end of the fuse and removing it

Service and Maintenance 4U1241A/U1242A User’s and Service Guide 338 Ensure that the rotary switch position is aligned with the align marking on t

34 U1241A/U1242A User’s and Service Guide4 Service and Maintenance Returning Instrument for ServiceBefore shipping your instrument for repair or repl

35Agilent TechnologiesU1241A and U1242A Handheld Digital MultimeterUser’s and Service Guide5Performance Tests and CalibrationCalibration Overview 36Re

U1241A/U1242A User’s and Service Guide VWARNING• Do not use repaired fuses or short-circuited fuse-holders. For continued protection against fire, rep

36 U1241A/U1242A User’s and Service Guide5 Performance Tests and CalibrationCalibration OverviewClosed-case Electronic CalibrationThe meter features

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 37Adjustment is RecommendedSpecifications are only guaranteed within the per

38 U1241A/U1242A User’s and Service Guide5 Performance Tests and CalibrationRecommended Test EquipmentThe test equipment recommended for the performa

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 39Basic Operating TestBasic Operating Test is used to test the basic operabi

40 U1241A/U1242A User’s and Service Guide5 Performance Tests and CalibrationInput-A Terminal TestThis test determines if the input warning of the A c

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 41Test ConsiderationsError may be induced by AC signals that present on the

42 U1241A/U1242A User’s and Service Guide5 Performance Tests and CalibrationInput ConnectionsTest connections to the meter are best accomplished usin

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 43Table 5 - 13 Verification TestsStep Test Function Range 5520A Output Err

44 U1241A/U1242A User’s and Service Guide5 Performance Tests and CalibrationStep Test Function Range 5520A Output Error from nominal 1 yearU1241A U

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 45[1] The accuracy of 1 kW and 10 kW are specified after Math Null, that is

VI U1241A/U1242A User’s and Service GuideEnvironment ConditionsThis instrument is designed for indoor in the area with low condensation and use with

46 U1241A/U1242A User’s and Service Guide5 Performance Tests and CalibrationCalibration SecurityThe calibration security code prevents accidental or

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 47“E02” on the secondary display for approximately 3 seconds and return to t

48 U1241A/U1242A User’s and Service Guide5 Performance Tests and Calibration6 Set the code, same as the last 4 digit serial number of the meter. Pres

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 49Adjustment Considerations1 Allow the meter to warm up and stabilize for fi

50 U1241A/U1242A User’s and Service Guide5 Performance Tests and CalibrationValid Adjustment Input Values Adjustment can be accomplished using the fo

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 51Calibration Adjustments1 Turn the rotary switch to Test Function position,

52 U1241A/U1242A User’s and Service Guide5 Performance Tests and Calibration9 Turn the rotary switch to the next function according to the Test Funct

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 53Step Test Function Cal Range Input Cal ItemU1241A U1242A3 Turn the rotary

54 U1241A/U1242A User’s and Service Guide5 Performance Tests and CalibrationStep Test Function Cal Range Input Cal ItemU1241A U1242A6 Turn the rotar

Performance Tests and Calibration 5U1241A/U1242A User’s and Service Guide 55Exiting Adjustment Mode1 Remove all shorting plugs and connectors from the

U1241A/U1242A User’s and Service Guide VIIRegulatory MarkingsThe CE mark is a registered trademark of the European Community.This CE mark shows that t

56 U1241A/U1242A User’s and Service Guide5 Performance Tests and CalibrationCalibration Count The meter provides the calibration count information fo

57Agilent TechnologiesU1241A and U1242A Handheld Digital MultimeterUser’s and Service Guide6Specifications and Characteristics DC Specifications 58AC

58 U1241A/U1242A User’s and Service Guide6 Specifications and CharacteristicsDC SpecificationsTable 6 - 17 DC specifications with accuracy of ± (% of

Specifications and Characteristics 6U1241A/U1242A User’s and Service Guide 59AC SpecificationsTable 6 - 18 AC specifications with accuracy of ± (% of

60 U1241A/U1242A User’s and Service Guide6 Specifications and CharacteristicsResistance SpecificationsTable 6 - 19 Resistance specifications with acc

Specifications and Characteristics 6U1241A/U1242A User’s and Service Guide 61Temperature SpecificationsTable 6 - 21 Temperature specifications with a

62 U1241A/U1242A User’s and Service Guide6 Specifications and CharacteristicsCapacitance SpecificationsTable 6 - 22 Capacitance specifications with a

Specifications and Characteristics 6U1241A/U1242A User’s and Service Guide 63[2] Pure sinusoidal waveforms without harmonics have a harmonics ratio o

64 U1241A/U1242A User’s and Service Guide6 Specifications and CharacteristicsFrequency SpecificationsTable 6 - 24 Frequency specifications with accur

Specifications and Characteristics 6U1241A/U1242A User’s and Service Guide 65Operating SpecificationsTable 6 - 25 Measuring rate of U1241A and U1242A

VIII U1241A/U1242A User’s and Service GuideWaste Electrical and Electronic Equipment (WEEE) Directive 2002/96/ECThis instrument complies with the WEE

66 U1241A/U1242A User’s and Service Guide6 Specifications and CharacteristicsGeneral CharacteristicsTable 6 - 26 General characteristics of U1241A an

Specifications and Characteristics 6U1241A/U1242A User’s and Service Guide 67Weight• 450 g with batteries• 400 g without batteriesWarranty • Please r

68 U1241A/U1242A User’s and Service Guide6 Specifications and Characteristics

U1241A/U1242A User’s and Service Guide 67 IndexIndexAAC, 59accuracy, 60adjustments, VAltitude, VI, 65Bbattery, IVCCalibrationOverview, 36calibrator, 6

68 U1241A/U1242A User’s and Service GuideIndexStorage, VIsymbols, IIITtagsparagraphs, 2, 10, 58Temperature, 60Te s tConsiderations, 40Equipment, 38te

www.agilent.comAgilent Technologies© Agilent Technologies, Inc. 2007 – 2012Printed in MalaysiaSeventh Edition, May 4, 2012U1241-90003Contact usTo obta

U1241A/U1242A User’s and Service Guide IXIn This Guide…1Getting Started Chapter 1 introduces key features and steps to get started with a U1241A o