Agilent Technologies U1231A Guia do Utilizador

Agilent TechnologiesAgilent U1231A, U1232A, and U1233A Handheld Digital MultimeterUser’s Guide

X U1231A/U1232A/U1233A User’s GuideTHIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK.

4 Multimeter Setup Options Setup Menu Summary82 U1231A/U1232A/U1233A User’s GuideSetup Menu SummaryThe Setup menu items are summarized in the table b

Multimeter Setup Options 4 Setup Menu SummaryU1231A/U1232A/U1233A User’s Guide 83bE.bL, – –.bL, to.nE, – –.– –, or bE.– –Enable or disable the continu

4 Multimeter Setup Options Setup Menu Items84 U1231A/U1232A/U1233A User’s GuideSetup Menu ItemsChanging the variation countThis setting is used with

Multimeter Setup Options 4 Setup Menu ItemsU1231A/U1232A/U1233A User’s Guide 85Enabling and changing the Smooth refresh rateSmooth is used to smoothen

4 Multimeter Setup Options Setup Menu Items86 U1231A/U1232A/U1233A User’s GuideEnabling and changing the voltage alert levelThis setting is used with

Multimeter Setup Options 4 Setup Menu ItemsU1231A/U1232A/U1233A User’s Guide 87Changing the beep frequencyThe multimeter’s beeper alerts users to the

4 Multimeter Setup Options Setup Menu Items88 U1231A/U1232A/U1233A User’s GuideChanging the auto power-off (APO) timeout The multimeter’s automatic p

Multimeter Setup Options 4 Setup Menu ItemsU1231A/U1232A/U1233A User’s Guide 89Changing the LCD backlight timeoutThe multimeter’s LCD backlight (see p

4 Multimeter Setup Options Setup Menu Items90 U1231A/U1232A/U1233A User’s GuideAdjusting the LCD backlight intensityThe multimeter’s LCD backlight (s

Multimeter Setup Options 4 Setup Menu ItemsU1231A/U1232A/U1233A User’s Guide 91Enabling the LED flashlight timeoutThe multimeter’s LED flashlight (see

U1231A/U1232A/U1233A User’s Guide XITable of Contents1 IntroductionAbout This Manual 2Documentation map 2Safety notes 2Preparing Your M

4 Multimeter Setup Options Setup Menu Items92 U1231A/U1232A/U1233A User’s GuideAdjusting the LED flashlight intensityThe multimeter’s LED flashlight

Multimeter Setup Options 4 Setup Menu ItemsU1231A/U1232A/U1233A User’s Guide 93Changing the minimum measurable frequencyThis setting is used with freq

4 Multimeter Setup Options Setup Menu Items94 U1231A/U1232A/U1233A User’s GuideUse this Setup item to change the continuity test alerts (either beepe

Multimeter Setup Options 4 Setup Menu ItemsU1231A/U1232A/U1233A User’s Guide 95Changing the power-on greeting toneThe multimeter plays a short greetin

4 Multimeter Setup Options Setup Menu Items96 U1231A/U1232A/U1233A User’s GuideResetting the Setup itemsThe Setup items can be reset to their default

Multimeter Setup Options 4 Setup Menu ItemsU1231A/U1232A/U1233A User’s Guide 97Figure 4-14 Changing the scale conversion valueParameter Range Default

4 Multimeter Setup Options Setup Menu Items98 U1231A/U1232A/U1233A User’s GuideEnable the AC/DC mV measurementYou can choose to set the multimeter to

Multimeter Setup Options 4 Setup Menu ItemsU1231A/U1232A/U1233A User’s Guide 99Enable open continuity test by defaultThis setting is used with continu

4 Multimeter Setup Options Setup Menu Items100 U1231A/U1232A/U1233A User’s Guide• Fahrenheit only: Temperature measured in °F.• Fahrenheit/Celsius: D

101U1231A/U1232A/U1233A Handheld Digital MultimeterUser’s GuideAgilent Technologies5Characteristics and SpecificationsProduct Characteristics 102Sp

XII U1231A/U1232A/U1233A User’s GuideMeasuring AC/DC mV 34Using VZLOW for Voltage Measurements 36Measuring Resistance 39Testing for Con

5 Characteristics and Specifications Product Characteristics102 U1231A/U1232A/U1233A User’s GuideProduct CharacteristicsNOTEProduct characteristics s

Characteristics and Specifications 5 Product CharacteristicsU1231A/U1232A/U1233A User’s Guide 103MEASUREMENT CATEGORYCAT III 600 VELECTROMAGNETIC COMP

5 Characteristics and Specifications Specification Assumptions104 U1231A/U1232A/U1233A User’s GuideSpecification Assumptions• Accuracy is given as ±(

Characteristics and Specifications 5 Measurement CategoryU1231A/U1232A/U1233A User’s Guide 105Measurement CategoryThe Agilent U1231A/U1232A/U1233A Han

5 Characteristics and Specifications Electrical Specifications106 U1231A/U1232A/U1233A User’s GuideElectrical SpecificationsDC specificationsNOTESpec

Characteristics and Specifications 5 Electrical SpecificationsU1231A/U1232A/U1233A User’s Guide 107Resistance600 Ω[4]0.1 Ω 0.9% + 3 0.9% + 3 0.9% + 3

5 Characteristics and Specifications Electrical Specifications108 U1231A/U1232A/U1233A User’s GuideCurrent60 μA[1]0.01 μA - 1.0% + 2 1.0% + 2 - <2

Characteristics and Specifications 5 Electrical SpecificationsU1231A/U1232A/U1233A User’s Guide 109AC specificationsTable 5 - 2 AC specifications Func

5 Characteristics and Specifications Electrical Specifications110 U1231A/U1232A/U1233A User’s GuideCapacitance specificationsTable 5 - 3 Capacitance

Characteristics and Specifications 5 Electrical SpecificationsU1231A/U1232A/U1233A User’s Guide 111Temperature specificationsTable 5 - 4 Temperature s

U1231A/U1232A/U1233A User’s Guide XIIIEnabling and changing the voltage alert level 86Changing the beep frequency 87Changing the auto power-

5 Characteristics and Specifications Electrical Specifications112 U1231A/U1232A/U1233A User’s GuideFrequency specificationsFrequency sensitivity spec

Characteristics and Specifications 5 Electrical SpecificationsU1231A/U1232A/U1233A User’s Guide 113For current measurementsScale transfer (mV)Table 5

5 Characteristics and Specifications Electrical Specifications114 U1231A/U1232A/U1233A User’s GuideDisplay update rate (approximate)Table 5 - 9 Displ

© Agilent Technologies, Inc. 2011–2014Ninth Edition, June 20, 2014U1231-90026www.agilent.comAgilent TechnologiesContact usTo obtain service, warranty,

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U1231A/U1232A/U1233A User’s Guide XVList of FiguresFigure 1-1 Installing the batteries 4Figure 1-2 Powering on the multimeter 6Figure 1-3 Til

XVI U1231A/U1232A/U1233A User’s GuideFigure 2-25 Measuring AC/DC current (up to μA) 60Figure 2-26 Frequency definition 63Figure 2-27 Frequenc

U1231A/U1232A/U1233A User’s Guide XVIIList of TablesTab l e 1- 1 Battery level indicator 5Tab l e 1- 2 Power-on options 13Tab l e 1- 3 Fro

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1U1231A/U1232A/U1233A Handheld Digital MultimeterUser’s GuideAgilent Technologies1IntroductionAbout This Manual 2Documentation map 2Safety notes

II U1231A/U1232A/U1233A User’s GuideNotices© Agilent Technologies, Inc. 2011–2014No part of this manual may be reproduced in any form or by any means

1 Introduction About This Manual2 U1231A/U1232A/U1233A User’s GuideAbout This ManualThe descriptions and instructions in this manual apply to the Agi

Introduction 1 Preparing Your MultimeterU1231A/U1232A/U1233A User’s Guide 3Preparing Your MultimeterChecking the shipmentWhen you receive your multime

1 Introduction Preparing Your Multimeter4 U1231A/U1232A/U1233A User’s Guide1 Open the battery cover. Loosen the screw with a suitable Phillips screwd

Introduction 1 Preparing Your MultimeterU1231A/U1232A/U1233A User’s Guide 5Table 1 - 1 Battery level indicatorIndication Battery capacityFull capacity

1 Introduction Preparing Your Multimeter6 U1231A/U1232A/U1233A User’s GuideTurning on your multimeterTo power ON your multimeter, turn the rotary swi

Introduction 1 Preparing Your MultimeterU1231A/U1232A/U1233A User’s Guide 7Enabling the backlightIf viewing the display becomes difficult in low- ligh

1 Introduction Preparing Your Multimeter8 U1231A/U1232A/U1233A User’s GuideHELP and dEMo modesThe HELP and dEMo modes can be enabled through the pow

Introduction 1 Preparing Your MultimeterU1231A/U1232A/U1233A User’s Guide 9Selecting the rangeThe multimeter’s selected range is always displayed abov

1 Introduction Preparing Your Multimeter10 U1231A/U1232A/U1233A User’s GuideAlerts and warnings during measurementVoltage alertYour multimeter provid

Introduction 1 Preparing Your MultimeterU1231A/U1232A/U1233A User’s Guide 11Adjusting the tilt standTo adjust the multimeter to a 60° standing positio

U1231A/U1232A/U1233A User’s Guide IIISafety SymbolsThe following symbols on the instrument and in the documentation indicate precautions which must be

1 Introduction Preparing Your Multimeter12 U1231A/U1232A/U1233A User’s GuideEnsure that the Agilent logo on the U1173A IR- USB cable (purchased separ

Introduction 1 Preparing Your MultimeterU1231A/U1232A/U1233A User’s Guide 13Power-on optionsSome options can be selected only while you turn the multi

1 Introduction Preparing Your Multimeter14 U1231A/U1232A/U1233A User’s GuideEnables Scale until the multimeter is turned off.To learn more about Scal

Introduction 1 Your Multimeter in BriefU1231A/U1232A/U1233A User’s Guide 15Your Multimeter in BriefDimensionsFront viewFigure 1-5 Width dimension86 mm

1 Introduction Your Multimeter in Brief16 U1231A/U1232A/U1233A User’s GuideRear and side viewFigure 1-6 Height and depth dimensions169 mm52 mm

Introduction 1 Your Multimeter in BriefU1231A/U1232A/U1233A User’s Guide 17OverviewFront panelThe front panel parts of your multimeter are described i

1 Introduction Your Multimeter in Brief18 U1231A/U1232A/U1233A User’s GuideRear panelThe rear panel parts of your multimeter are described in this se

Introduction 1 Your Multimeter in BriefU1231A/U1232A/U1233A User’s Guide 19Rotary switchThe measurement functions for each rotary switch position are

1 Introduction Your Multimeter in Brief20 U1231A/U1232A/U1233A User’s GuideTable 1 - 5 U1231A/U1232A/U1233A rotary switch functions Legend Functions

Introduction 1 Your Multimeter in BriefU1231A/U1232A/U1233A User’s Guide 21U1233A/U1232A: DC AU1231A: Clamp-on AC A (Aux)U1233A/U1232A: Cycles betwee

IV U1231A/U1232A/U1233A User’s GuideSafety ConsiderationsRead the information below before using this instrument. The following general safety precaut

1 Introduction Your Multimeter in Brief22 U1231A/U1232A/U1233A User’s GuideKeypadThe operation of each key is explained below. Pressing a key enables

Introduction 1 Your Multimeter in BriefU1231A/U1232A/U1233A User’s Guide 23Freezes and stores the present reading in the display ( mode).• In Trig Ho

1 Introduction Your Multimeter in Brief24 U1231A/U1232A/U1233A User’s GuideDisplay screenThe display annunciators of your multimeter are described in

Introduction 1 Your Multimeter in BriefU1231A/U1232A/U1233A User’s Guide 25Trigger hold enabled page 72Auto hold enabled page 72Maximum reading shown

1 Introduction Your Multimeter in Brief26 U1231A/U1232A/U1233A User’s GuideMeasurement unitsThe available signs and notations for each measurement fu

Introduction 1 Your Multimeter in BriefU1231A/U1232A/U1233A User’s Guide 27Analog bar graphThe analog bar emulates the needle on an analog multimeter,

1 Introduction Your Multimeter in Brief28 U1231A/U1232A/U1233A User’s GuideInput terminalsThe terminal connections for the different measurement func

Introduction 1 Your Multimeter in BriefU1231A/U1232A/U1233A User’s Guide 29Table 1 - 11 U1232A and U1233A terminal connections for different measuring

1 Introduction Cleaning Your Multimeter30 U1231A/U1232A/U1233A User’s GuideCleaning Your MultimeterDirt or moisture in the terminals can distort read

31U1231A/U1232A/U1233A Handheld Digital MultimeterUser’s GuideAgilent Technologies2Making MeasurementsMeasuring AC Voltage 32Measuring DC Voltage

U1231A/U1232A/U1233A User’s Guide VWARNING• Do not apply more than the rated voltage (as marked on the meter) between terminals, or between terminal a

2 Making Measurements Measuring AC Voltage32 U1231A/U1232A/U1233A User’s GuideMeasuring AC VoltageSet up your multimeter to measure AC voltage as sho

Making Measurements 2 Measuring AC VoltageU1231A/U1232A/U1233A User’s Guide 33Figure 2-2 Measuring AC voltageAC413Voltage source2Hz

2 Making Measurements Measuring DC Voltage34 U1231A/U1232A/U1233A User’s GuideMeasuring DC VoltageSet up your multimeter to measure DC voltage as sho

Making Measurements 2 Measuring DC VoltageU1231A/U1232A/U1233A User’s Guide 35Figure 2-4 Measuring DC voltage4132DCVoltage source

2 Making Measurements Using VZLOW for Voltage Measurements36 U1231A/U1232A/U1233A User’s GuideUsing VZLOW for Voltage MeasurementsSet up your multime

Making Measurements 2 Using VZLOW for Voltage MeasurementsU1231A/U1232A/U1233A User’s Guide 37Figure 2-6 Measuring VZLOW voltage413Adjacent unused wir

2 Making Measurements Using VZLOW for Voltage Measurements38 U1231A/U1232A/U1233A User’s GuideFigure 2-7 VZLOW auto identification flowUsing VZLOW to

Making Measurements 2 Measuring ResistanceU1231A/U1232A/U1233A User’s Guide 39Measuring ResistanceSet up your multimeter to measure resistance as show

2 Making Measurements Measuring Resistance40 U1231A/U1232A/U1233A User’s GuideFigure 2-9 Measuring resistanceNOTE• Because the multimeter’s test curr

Making Measurements 2 Testing for ContinuityU1231A/U1232A/U1233A User’s Guide 41Testing for ContinuitySet up your multimeter to test for continuity as

VI U1231A/U1232A/U1233A User’s GuideEnvironmental ConditionsThis instrument is designed for indoor use and in an area with low condensation. The table

2 Making Measurements Testing for Continuity42 U1231A/U1232A/U1233A User’s GuideFigure 2-10 Continuity test flowNOTEOpen continuity is disabled by de

Making Measurements 2 Testing for ContinuityU1231A/U1232A/U1233A User’s Guide 43NOTE• You can set the beeper to sound and the backlight to flash as a

2 Making Measurements Testing for Continuity44 U1231A/U1232A/U1233A User’s GuideFigure 2-11 Testing for continuity512ShiftEsccON (closed )OFF (open)4

Making Measurements 2 Testing DiodesU1231A/U1232A/U1233A User’s Guide 45Tes ting Diode sSet up your multimeter to test diodes as shown in Figure 2- 14

2 Making Measurements Testing Diodes46 U1231A/U1232A/U1233A User’s GuideReverse the probes (as shown in Figure 2- 15) and measure the voltage across

Making Measurements 2 Testing DiodesU1231A/U1232A/U1233A User’s Guide 47Figure 2-14 Testing forward bias diode413Forward bias diode2

2 Making Measurements Testing Diodes48 U1231A/U1232A/U1233A User’s GuideFigure 2-15 Testing reverse bias diode4132Reverse bias diode

Making Measurements 2 Measuring CapacitanceU1231A/U1232A/U1233A User’s Guide 49Measuring CapacitanceSet up your multimeter to measure capacitance as s

2 Making Measurements Measuring Capacitance50 U1231A/U1232A/U1233A User’s GuideFigure 2-17 Measuring capacitance413Capacitance2

Making Measurements 2 Measuring TemperatureU1231A/U1232A/U1233A User’s Guide 51Measuring TemperatureFor the U1233A, set up your multimeter to measure

U1231A/U1232A/U1233A User’s Guide VIIRegulatory MarkingsThe CE mark is a registered trademarkof the European Community. This CEmark shows that the pro

2 Making Measurements Measuring Temperature52 U1231A/U1232A/U1233A User’s GuideFigure 2-18 Temperature displayPress to change the temperature units

Making Measurements 2 Measuring TemperatureU1231A/U1232A/U1233A User’s Guide 53Figure 2-19 Measuring the surface temperature413Heat source2ShiftEscK-t

2 Making Measurements Measuring Temperature54 U1231A/U1232A/U1233A User’s GuideFigure 2-20 Using the Auxillary Temperature measurement function (Only

Making Measurements 2 Measuring TemperatureU1231A/U1232A/U1233A User’s Guide 55Changing the default temperature unitYou can change the temperature uni

2 Making Measurements Measuring Temperature56 U1231A/U1232A/U1233A User’s GuideAvailable options: • °C - Temperature measured in °C only.• °C°F - D

Making Measurements 2 Measuring AC or DC CurrentU1231A/U1232A/U1233A User’s Guide 57Measuring AC or DC CurrentSet up your multimeter to measure AC or

2 Making Measurements Measuring AC or DC Current58 U1231A/U1232A/U1233A User’s GuideFigure 2-22 DC current displayFigure 2-23 AC current displayNOTER

Making Measurements 2 Measuring AC or DC CurrentU1231A/U1232A/U1233A User’s Guide 59Figure 2-24 Measuring DC/AC current (up to A)41Voltage sourceHzDCL

2 Making Measurements Measuring AC or DC Current60 U1231A/U1232A/U1233A User’s GuideFigure 2-25 Measuring AC/DC current (up to μA)DCHz241ACVoltage so

Making Measurements 2 Measuring AC or DC CurrentU1231A/U1232A/U1233A User’s Guide 61Using the μA function to measure flame rectification circuitsThe m

VIII U1231A/U1232A/U1233A User’s GuideWaste Electrical and Electronic Equipment (WEEE) Directive 2002/96/ECThis instrument complies with the WEEE Dire

2 Making Measurements Measuring Frequency62 U1231A/U1232A/U1233A User’s GuideMeasuring FrequencyYour multimeter allows simultaneous monitoring of rea

Making Measurements 2 Measuring FrequencyU1231A/U1232A/U1233A User’s Guide 63Figure 2-26 Frequency definitionFigure 2-27 Frequency displayRise Time Fa

2 Making Measurements Measuring Frequency64 U1231A/U1232A/U1233A User’s GuideFigure 2-28 Measuring frequencyNOTE• If a reading seems to be a multiple

65U1231A/U1232A/U1233A Handheld Digital MultimeterUser’s GuideAgilent Technologies3Multimeter FeaturesDetecting AC Voltage Presence (Vsense) 66Maki

3Multimeter Features Detecting AC Voltage Presence (Vsense)66 U1231A/U1232A/U1233A User’s GuideDetecting AC Voltage Presence (Vsense)The Vsense detec

Multimeter Features 3 Detecting AC Voltage Presence (Vsense)U1231A/U1232A/U1233A User’s Guide 67Figure 3-1 Detecting voltage presencePress and hold

3Multimeter Features Making Relative Measurements (Null)68 U1231A/U1232A/U1233A User’s GuideMaking Relative Measurements (Null)When making Null measu

Multimeter Features 3 Making Relative Measurements (Null)U1231A/U1232A/U1233A User’s Guide 69Figure 3-3 Null operationNOTE• In resistance measurement,

3Multimeter Features Capturing Maximum and Minimum Values (MaxMin)70 U1231A/U1232A/U1233A User’s GuideCapturing Maximum and Minimum Values (MaxMin)Th

Multimeter Features 3 Capturing Maximum and Minimum Values (MaxMin)U1231A/U1232A/U1233A User’s Guide 71Figure 3-4 MaxMin displayThis mode is useful fo

U1231A/U1232A/U1233A User’s Guide IXDeclaration of Conformity (DoC)The Declaration of Conformity (DoC) for this instrument is available on the Agilent

3Multimeter Features Freezing the Display (Trig Hold-Log and Auto Hold-Log)72 U1231A/U1232A/U1233A User’s GuideFreezing the Display (Trig Hold-Log an

Multimeter Features 3 Freezing the Display (Trig Hold-Log and Auto Hold-Log)U1231A/U1232A/U1233A User’s Guide 73Figure 3-6 Auto Hold-Log displayPress

3Multimeter Features Recalling Previously Recorded Readings (Recall)74 U1231A/U1232A/U1233A User’s GuideRecalling Previously Recorded Readings (Recal

Multimeter Features 3 Recalling Previously Recorded Readings (Recall)U1231A/U1232A/U1233A User’s Guide 75Figure 3-8 Empty view display2 Use the follow

3Multimeter Features Making Scale Transfers (Scale)76 U1231A/U1232A/U1233A User’s GuideMaking Scale Transfers (Scale)The Scale operation emulates a t

Multimeter Features 3 Making Scale Transfers (Scale)U1231A/U1232A/U1233A User’s Guide 771 Press and hold while powering on the multimeter to enable

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79U1231A/U1232A/U1233A Handheld Digital MultimeterUser’s GuideAgilent Technologies4Multimeter Setup OptionsUsing the Setup Menu 80Editing numerical

4 Multimeter Setup Options Using the Setup Menu80 U1231A/U1232A/U1233A User’s GuideUsing the Setup MenuThe Setup menu allows you to change a number o

Multimeter Setup Options 4 Using the Setup MenuU1231A/U1232A/U1233A User’s Guide 81Editing numerical valuesWhen editing numerical values, first press