Agilent Technologies E1411B Manual de servicio

Agilent 75000 SERIES CAgilent E1411A/E1411B 5 1/2-Digit MultimetersService ManualSerial Numbers The Information in this Service Manual applies

Chapter 1General InformationIntroduction This manual contains information required to test, adjust, troubleshoot, andrepair the Agilent E1411A and E14

Warnings andCautions This section contains WARNINGS which must be followed for yourprotection and CAUTIONS which must be followed to avoid damage to

WARNINGUSE PROPER FUSES. For continued protection against firehazard, replace the line fuse(s) only with fuses of the samecurrent rating and type (su

Multimeter Serial NumbersMultimeters covered by this manual are identified by a serial number prefixlisted on the title page. Agilent Technologies use

Chapter 2InstallationIntroduction This chapter provides information to install the E1411 multimeter, includinginitial inspection, preparation for use,

Shipping the MultimeterIf you need to return an E1411 multimeter to Agilent, first remove anyadapters or connectors before packaging the instrument f

Chapter 3 Operating InstructionsIntroduction This chapter lists operating information for the Agilent E1411 multimeter,including:• Multimeter operatio

NOTETest failures can be caused by improper cabling, improper selection of theinterface select code, primary, and/or secondary address setting. Verif

Chapter 4Verification TestsIntroduction The three levels of test procedures described in this chapter are used to verify that the E1411 multimeter:• i

The value in the "Measurement Uncertainty" column of Table 4-1 isderived from the specifications for the source used for the test, andrepre

NOTETest failures can be caused by improper selection of the interface selectcode, primary address setting, and/or secondary address setting. Verifyp

Test 4-1: DC Voltage Test (Zero Volt Input)This test verifies DC Voltage accuracy on all five ranges using a zero volt input.Equipment Setup 1. Conn

Test Procedure 1. Set the E1411 range to 0.113 V (0.125 V with 10% over- range) andmeasure the input voltage with MEAS:VOLT:DC? 0.12. Observe the in

Test 4-2: DC Voltage Test (DCV Input)This test verifies DC Voltage accuracy on all five ranges with DC voltageinputs.Equipment Setup 1. Connect the e

NOTE*RST sets Auto Zero to ON and Power Line Cycles to 1. Test Procedure 1. Set the DC Standard Output to 0.1 DCV.2. Set the E1411 range to 0.113 V

90 FOR I=1 TO 5100 PRINT "Set DC Standard to ";Volts(I);"VDC"110 PRINT "Press Continue when ready"1

2. Set the E1411 multimeter as follows:• Reset Multimeter ...*RST • Auto Zero ...

E1411Range10%overrangeAC Standard OutputVoltage (Vac) Frequency (Hz)79.5 mV79.5 mV79.5 mV300.0 V87.5 mV87.5 mV87.5 mV None0.07 V0.07 V0.07 V300.00

230 ENDTest 4-4: Resistance Test (4-Wire Ohms)This test verifies the 4-wire resistance accuracy of the 2kΩ, 100kΩ, and1MΩ ranges.NOTEThe DC Voltage p

Table of ContentsChapter 1 - General InformationIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Set the E1411 multimeter as follows:• Reset Multimeter ...*RST• Auto Zero ...

Example: 4-Wire Ohms TestThis example performs a 4-wire ohms resistance test for a power linereference frequency of 60 Hz. Change line 80 to OUTPUT709

Performance Test RecordTable 4-1, Performance Test Record for the E1411 Multimeter, is a formyou can copy and use to record performance verification t

Table 4-1. Performance Test Record for the E1411 Multimeter (Page 1 of 3)Test Facility:Name _________________________________________Address _______

Table 4-1. Performance Test Record for the E1411 Multimeter (Page 2 of 3)Model _________________________________ Report No. ____________________

Table 4-1. Performance Test Record for the E1411 Multimeter (Page 3 of 3)Model ________________________________ Report No. ________________________

34 Verification Tests Agilent E1411A/E1411B Service Manual

Chapter 5AdjustmentsIntroduction This chapter contains procedures to adjust the Agilent E1411 multimeter forpeak performance. For best performance, t

DC VoltageAdjustments This procedure adjusts E1411 multimeter DC voltage measurementaccuracy.Equipment Setup1. Connect the equipment as shown in Figu

NOTE*RST sets Auto Zero to ON and Power Line Cycles to 1.AdjustmentProcedure1. Set the DC Standard output to 7.7 V2. Set the E1411 range to 8 V, and

Chapter 6 - Replaceable PartsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

When connected to the E1411 multimeter, some DC Standards may exhibitvoltage variations at the start of a measurement. TRIG:DEL .05 (line 190)adds a 0

AC VoltageAdjustmentsThis procedure adjusts the E1411 AC voltage measurement accuracy.NOTEThe DC Voltage adjustment MUST be performed before the AC V

NOTE*RST sets Auto Zero to ON and Power Line Cycles to 1.AdjustmentProcedure1. Set the AC Standard output to 5.6 Vac at 1 kHz2. Set the E1411 range

1 ! AC Voltage Adjustments10 OUTPUT 70903;"*RST" !Set autozero on and PLC 120 OUTPUT 70903;"CAL:LFR 60" !Set 60 Hz line re

ResistanceAdjustmentsThis procedure adjusts the E1411 multimeter 4-wire resistance measurementaccuracy.NOTEThe DC Voltage adjustment and the AC Vo

NOTE*RST sets Auto Zero to ON and Power Line Cycles to 1.AdjustmentProcedure1. Set the Resistance Standard to 1 kΩ.2. Set the E1411 range to 2 kΩ, a

Example: 4-WireResistanceAdjustmentsThis example performs a 4-wire ohms resistance adjustment for a powerline reference frequency of 60 Hz. Change lin

CalibrationErrorsTable 5-1 summarizes calibration error numbers, titles and descriptions forthe E1411 multimeter. Note that an error is returned if t

46 Adjustments Agilent E1411A/E1411B Service Manual

Chapter 6Replaceable PartsIntroduction This chapter contains information to order replaceable parts for the AgilentE1411A and E1411B multimeters. Exch

CertificationAgilent Technologies, Inc. certifies that this product met its published specifications at the time of shipment from the factory. Agilent

Table 6-1. E1411A Replaceable PartsReference*DesignatorPartNumberQty Description Mfr**CodeMfr Part NumberE1411-66201E1411-6920111EXCHANGE ASSEMBLIESE1

Figure 6-1. Agilent E1411A Replaceable PartsAgilent E1411A/E1411B Service Manual Replaceable Parts 49

Table 6-2. Agilent E1411B Replaceable PartsReference*DesignatorPartNumberQty Description Mfr**CodeMfr Part NumberE1411-66511***E1411-69511***11EXCHANG

Figure 6-2. Agilent E1411B Replaceable PartsAgilent E1411A/E1411B Service Manual Replaceable Parts 51

Table 6-3. E1411 Reference DesignatorsE1411 Reference DesignatorsA ... assemblyCBL ...

Chapter 7Manual ChangesIntroduction This chapter contains information to adapt this manual to instruments forwhich the content does not directly apply

54 Manual Changes Agilent E1411A/E1411B Service Manual

Chapter 8ServiceIntroduction This chapter contains information to service the E1411 multimeter includingtroubleshooting guidelines and repair/maintena

TroubleshootingTechniques There are two main steps to troubleshoot an E1411 multimeter problem:(1) identify the problem, and (2) test assemblies to

Performance Out of Specification If the multimeter performance is out of specification limits, use theadjustment procedures in Chapter 5 - Adjustments

Frame or chassis ground terminal—typi-cally connects to the equipment’s metalframe.Alternating current (AC).Direct current (DC). Indicates hazardous v

Checking Switches/JumpersVerify the logical address setting is set correctly (factory set at 24). Verifythe interrupt priority jumpers are set correct

• Do not use pliers to remove a MOS or CMOS device from ahigh-grip socket. Instead, use a small screwdriver to pry the deviceup from one end. Slowly l

NOTE When reinstalling the top shield, verify that the slots are aligned with thetabs, then set the top shield into place.Removing Front PanelUse the

Removing Binding PostsUse the following steps to remove the E1411 front panel binding posts(MP3, MP4, MP5, and MP6) (see Figure 8-3).1. Unsolder wir

• Avoid unnecessary component unsoldering and soldering. Excessivereplacement can result in damage to the circuit board and/oradjacent components.• Do

Appendix ACalculating Multimeter AccuracyIntroduction This appendix shows how multimeter accuracy, measurement uncertainty,and test accuracy ratio (T

Test Accuracy Ratio (TAR) DefinitionTest Accuracy Ratio (TAR) is the ratio of multimeter accuracy tomeasurement uncertainty. For the E1411 multimeter

AC VoltageAccuracy EquationsFrom Appendix A- Specifications of the E1326A /E1411A or E1326B/E1411B User’s Manual, AC voltage 90-day accuracy = ±(% of

Measurement UncertaintyCalculationsMeasurement uncertainties for the Datron 4708 source are calculated usingthe 90-day accuracy specifications in the

Calculate ACVMeasurement Uncertainty From Section 6 - Specifications of the Datron 4708 User’s Handbook , ACVoltage (Option 20) Accuracy (90 days sinc

SADECLARATION OF CONFORMITYAccording to ISO/IEC Guide 22 and CEN/CENELEC EN 45014Revision: A.03 Issue Date: 09/05/00Manufacturer’s Name:Agilent Techno

Test AccuracyRatio (TAR)Calculations For the E1411 multimeter, Test Accuracy Ratio (TAR) = [High Limit -Input Value]/Measurement Uncertainty where

Appendix BVerification Tests - C ProgramsFunctionalVerificationTestThis program is designed to do the Functional Verification Test found inChapter 4 -

PerformanceVerificationTestsThese programs are designed to do the Performance Verification Testsfound in Chapter 4 - Verification Tests.Example: Zero

Example: DCVoltage TestThis test performs a DC Voltage test for positive input DC volts and apower line reference frequency of 60 Hz. /* DC Voltage T

Example: ACVoltage TestThis example performs an AC voltage test for a power line referencefrequency of 60 Hz./* AC Voltage Test E1411A/B *

Example:Resistance TestThis example performs a 4-wire ohms resistance test. The program alsocalculates the Upper and Lower Limit values for the ACTUA

Adjustments These programs are designed to do the adjustments found in Chapter 5 -Adjustments.DC VoltageAdjustmentsThis example performs DC Voltage ad

AC VoltageAdjustmentsThis example performs an AC Voltage adjustment for a power linereference frequency of 60 Hz and an input of 5.6 Vac at 1 kHz. If

ResistanceAdjustmentsThis example performs a 4-wire ohms resistance adjustment for a powerline reference frequency of 60 Hz. If a calibration error o

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