Agilent Technologies 6843A, 6834B, 6814B manual Calibrating and Entering Current Calibration Values

Page 65

Verification and Calibration - B

Calibrating and Entering Current Calibration Values

Action

Display

20.Connect the appropriate current shunt and load resistor as shown in figure B- 1. Connect the DVM (ac rms mode) across the current shunt.

If you are calibrating a 3-phase source , make sure that the default phase 1 (φ1) annunciator is lit. Press Phase Select to select a different phase.

21.

Press Shift Calibration, scroll to CAL CURR AC, and press Enter.

CAL:CURR:AC

22.

Press Shift Calibration, scroll to CAL LEV P1, and press Enter.

CAL:LEV P1

23.

Press Shift Calibration and scroll to CAL DATA. Wait for the DVM

CAL:DATA 0.00

 

reading to stabilize. Read the DVM and calculate the first current value

 

 

(DVM ac rms voltage divided by the shunt resistance). Use the Entry keypad

 

 

to enter the rms current value.

 

24.

Press Shift Calibration, scroll to CAL LEV P1, use ° to scroll to the P2

CAL:LEV P2

 

parameter, and press Enter.

 

25.

Press Shift Calibration and scroll to CAL DATA. Wait for the DVM

CAL:DATA 0.00

 

reading to stabilize. Read the DVM and calculate the second current value

 

 

(DVM ac rms voltage divided by the shunt resistance). Use the Entry keypad

 

 

to enter the rms current value.

 

26.If you are calibrating a 3-phase source , press Phase Select to select the next phase and repeat steps 20 through 25 for phases 2 and 3.

The phase annunciators on the front panel indicate which phase is active.

Calibrating and entering rms current measurement values (Agilent 6843A only)

27.

Press Shift Calibration, scroll to CAL CURR MEAS, and press Enter.

CAL:CURR:MEAS

28.

Press Shift Calibration, scroll to CAL LEV P1, and press Enter.

CAL:LEV P1

29.

Press Shift Calibration and scroll to CAL DATA. Wait for the DVM

CAL:DATA 0.00

 

reading to stabilize. Read the DVM and calculate the first current value

 

 

(DVM ac rms voltage divided by the shunt resistance). Use the Entry keypad

 

 

to enter the rms current value.

 

30.

Press Shift Calibration, scroll to CAL LEV P1 command, use ° to scroll

CAL:LEV P2

 

to the P2 parameter, and press Enter.

 

31.

Press Shift Calibration and scroll to the CAL DATA. Wait for the DVM

CAL:DATA 0.00

 

reading to stabilize. Read the DVM and calculate the second current value

 

 

(DVM ac rms voltage divided by the shunt resistance). Use the Entry keypad

 

 

to enter the rms current value.

 

The ac source is now holding the new current calibration constants in RAM

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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 Performing the Calibration Procedure Specifications Supplemental CharacteristicsError Number List Entry Keys Examples of Front Panel ProgrammingLocation Document OrientationTopic Options, Accessories, and User Replaceable Parts Safety ConsiderationsOption Description Agilent Part NumberModel Description DescriptionCapabilities Ranges Output CharacteristicFront Panel/Remote Operation Output VA Capability AC Source Output Characteristic in real-time modePage Inspection CleaningDamage Packaging Material Items SuppliedBench Operation LocationRack Mounting Not block the fan exhaust at the rear of the unitInput Source and Line Fuse Installing the Power CordInput Connections Output Connections Output ConnectionsVoltage Drops Wire ConsiderationsCurrent Ratings Ampacity and Resistance of Stranded Copper ConductorsRemote Sense Connections Remote Sense ConnectionsDigital Connections Trigger ConnectionsOVP Considerations Output RatingController Connections Gpib ConnectorRS-232 Connector Interface CommandsRS-232 Interface RS-232 Data FormatNull Modem Interface Lines Response Data Terminator Hardware HandshakePreliminary Checkout IntroductionCheckout Procedure Using the KeypadProtclear Procedure Display ExplanationVolt Currlev VoltprotCurrprot Currprot OFFLine 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 Meter Display Keys Scrolling KeysDisplay Measurement KBESSEL, RectDisplay Output Control KeysRST CLS Protection and Status Control KeysInitimmed Trigger and List Control KeysIMM AbortThrough Are used for entering numeric values Is the decimal Entry KeysProcedure for Single-Phase AC Sources Setting the Output Voltage AmplitudeExamples of Front Panel Programming Set the output to 120 V rms as followsPhase 3 to 235 Vrms Procedure for Three-Phase AC SourcesAction Display To verify the output, you can measure it as followsOvercurrent protection feature as follows Setting the Output FrequencySetting a Protection Feature Step Transient Using Transient Voltage ModesVoltt Voltm StepVoltm Pulse Pulse TransientWidth DcycleVoltm 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 WaveformsSlew Voltm FixedStep Slewm SlewtMeasuring Peak Inrush Current Syncsour Phase SyncphasRange CurrpeakTo configure the RS-232 interface, proceed as follows Setting the Gpib Address and RS-232 ParametersSaving and Recalling Operating States Action Display To set the Gpib address, proceed as followsAddress 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 6814B Current Measurement Accuracy Performing the Calibration ProcedureAgilent 6834B Current Measurement Accuracy Agilent 6843A 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 Calibrating the Output Impedance Agilent 6843A only Changing the Calibration PasswordSaving the Calibration Constants CalpassTable B-3. Gpib Calibration Error Messages Calibration Error MessagesCalibration Over the Gpib Agilent Calibration Program ListingFigure 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 Canada Australia/New Zealand United States Latin AmericaEurope Asia Pacific JapanManual Updates
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