Agilent Technologies 6843A, 6834B, 6814B Equipment Required, Characteristics, Recommended Model

Page 59

B

Verification and Calibration

Introduction

This appendix includes verification and calibration procedures for the Agilent 6814B/6834B/6843A AC Power Solutions. Instructions are given for performing the procedures either from the front panel or from a controller over the GPIB.

The verification procedures do not check all the operating parameters, but verify that the ac source is performing properly. Performance Tests, which check all the specifications of the ac source, are given in the applicable ac source Service Manual.

Because the output of the ac source must be enabled during verification or calibration, proceed with caution, since voltages and currents will be active at the output terminals.

Important Perform the verification procedures before calibrating your ac source. If the ac source passes the verification procedures, the unit is operating within its calibration limits and does not need to be recalibrated.

WARNING LETHAL VOLTAGES. Ac sources can supply 424 V peak at their output. DEATH on contact may result if the output terminals or circuits connected to the output are touched when power is applied. These procedures must be performed by a qualified electronics technician or engineer trained on this equipment.

Equipment Required

The equipment listed in the following table, or the equivalent to this equipment, is required for verification and calibration.

Equipment

Digital Voltmeter

Current Monitor1

Ratio Transformer2

Load Resistors

Impedance Resistor

GPIB Controller

Table B-1. Equipment Required

Characteristics

Resolution: 10 nV @ 1 V

Readout: 8.5 digits

Accuracy: >20 ppm

0.01Ω, ±200 ppm, (Agilent 6814B/6834B) 0.001 Ω, ±200 ppm, (Agilent 6843A)

30:1 ratio, 50 ppm, 45 Hz to 1 kHz

2 − 15 Ω, > 1.5 kW (Agilent 6814B/6834B)

1 − 5 Ω, > 4.8 kW non-inductive (Agilent 6843A) 1 Ω, 100 Watts min. (Agilent 6843A only)

Full GPIB capabilities

Recommended Model

Agilent 3458A

Guildline 7320/0.01 Norma Gerts Instruments

HP Series 200/300 or equivalent

1The 4- terminal current shunt is used to eliminate output current measurement error caused by voltage drops in the load leads and connections. Connect the voltmeter directly to these current-monitoring terminals.

2A ratio transformer is required only when verifying output voltage readback to MIL-STD-45662A 4:1 test equipment ratio requirements.

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Contents User’s Guide AC Power Solutions Agilent Models 6814B, 6834B, and 6843ACertification Warranty InformationGeneral Safety SummarySafety Symbols EMC DeclarationPrinting History Acoustic Noise InformationTable of Contents Entry Keys Examples of Front Panel Programming Specifications Supplemental CharacteristicsPerforming the Calibration Procedure Error Number ListLocation Document OrientationTopic Agilent Part Number Safety ConsiderationsOptions, Accessories, and User Replaceable Parts Option DescriptionModel Description DescriptionCapabilities Ranges Output CharacteristicFront Panel/Remote Operation Output VA Capability AC Source Output Characteristic in real-time modePage Items Supplied CleaningInspection Damage Packaging MaterialNot block the fan exhaust at the rear of the unit LocationBench Operation Rack MountingInput Source and Line Fuse Installing the Power CordInput Connections Output Connections Output ConnectionsAmpacity and Resistance of Stranded Copper Conductors Wire ConsiderationsVoltage Drops Current RatingsRemote Sense Connections Remote Sense ConnectionsOutput Rating Trigger ConnectionsDigital Connections OVP ConsiderationsController Connections Gpib ConnectorRS-232 Data Format Interface CommandsRS-232 Connector RS-232 InterfaceNull Modem Interface Lines Response Data Terminator Hardware HandshakePreliminary Checkout IntroductionCheckout Procedure Using the KeypadProtclear Procedure Display ExplanationVolt Currprot OFF VoltprotCurrlev CurrprotLine Fuse Error MessagesCase of Trouble Page Front Panel, Overall View Front Panel DescriptionAC+DC System Keys Display Command FunctionImmediate Action Keys Annunciator On Phase SelectedFunction Keys KBESSEL, Rect Scrolling KeysMeter Display Keys Display MeasurementDisplay Output Control KeysRST CLS Protection and Status Control KeysAbort Trigger and List Control KeysInitimmed IMMThrough Are used for entering numeric values Is the decimal Entry KeysSet the output to 120 V rms as follows Setting the Output Voltage AmplitudeProcedure for Single-Phase AC Sources Examples of Front Panel ProgrammingTo verify the output, you can measure it as follows Procedure for Three-Phase AC SourcesPhase 3 to 235 Vrms Action DisplayOvercurrent protection feature as follows Setting the Output FrequencySetting a Protection Feature Voltm Step Using Transient Voltage ModesStep Transient VolttDcycle Pulse TransientVoltm Pulse WidthVoltm Fixed Voltm List Count List TransientAction Volt EOL Step Auto Trigger Delays and Phase SynchronizationSyncphas Initimmed Syncsour PhaseExample Display Example Voltm Step Syncsour Phase Syncphas InitimmedProgramming Slew Rates Using Slew Rates to Generate WaveformsSlewt Voltm FixedSlew Step SlewmCurrpeak Syncsour Phase SyncphasMeasuring Peak Inrush Current RangeAction Display To set the Gpib address, proceed as follows Setting the Gpib Address and RS-232 ParametersTo configure the RS-232 interface, proceed as follows Saving and Recalling Operating StatesAddress Noutputs Agilent 6814B Agilent 6834B Agilent 6843A SpecificationsTable A-1. Performance Specifications1 Table A-2. Supplemental Characteristics Supplemental CharacteristicsSpecifications a Page Recommended Model CharacteristicsEquipment Required Performing the Verification Tests Test SetupTurn-On Checkout Procedure Action Normal Result Voltage Programming and Measurement AccuracyRMS Current Readback Accuracy Agilent 6843A Current Measurement Accuracy Performing the Calibration ProcedureAgilent 6814B Current Measurement Accuracy Agilent 6834B Current Measurement AccuracyFront Panel Calibration Menu Enable Calibration ModeFront Panel Calibration Calibrating the OVP trip point Calibrating and Entering Voltage Calibration ValuesCalibrating and Entering Current Calibration Values Calpass Changing the Calibration PasswordCalibrating the Output Impedance Agilent 6843A only Saving the Calibration ConstantsAgilent Calibration Program Listing Calibration Error MessagesTable B-3. Gpib Calibration Error Messages Calibration Over the GpibFigure B-2. Calibration Program Listing Sheet 1 Figure B-2. Calibration Program Listing Sheet 2 Page Table C-1. Error Numbers Error Number ListError Messages Error Messages C Page Index Index Index Japan United States Latin AmericaCanada Australia/New Zealand Europe Asia PacificManual Updates
Related manuals
Manual 20 pages 27.01 Kb Manual 187 pages 38.86 Kb

6834B, 6843A, 6814B specifications

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