B - Verification and Calibration

DVM Calibration (applies to Agilent 66311D, 66309D only)

Action

Display

41.Connect the DVM inputs directly to output 1. Connect the external DMM to the DVM inputs as shown in figure B-1D. Do not connect the Agilent 3478 DMM.

42.

Press Shift Cal, scroll to CAL DVM, and press Enter.

CAL:DVM

43.

Press Shift Cal, scroll to CAL LEV, and press Enter to select the first

CAL:LEV P1

 

calibration point.

 

44.

Press Shift Cal, scroll to CAL DATA, press Enter Number, and enter

CAL:DATA 0.00

 

the voltage value displayed on the external DMM. Numbers entered from

 

 

the external DMM should have an accuracy and resolution of 0.1 mV or

 

 

better.

 

45.Reverse the output 1 connections. Move the - lead to the + DVM connector pin, and move the + lead to the - DVM connector pin.

46.

Press Shift Cal, scroll to CAL LEV, use ⊃ to scroll to P2 (the second

CAL:LEV P2

 

calibration point), and press Enter.

 

47.

Press Shift Cal, scroll to CAL DATA, press Enter Number, and enter

CAL:DATA −0.00

the second voltage value displayed on the external DMM. Numbers entered from the external DMM should have an accuracy and resolution of 0.1 mV or better.

Because this second value is negative, you must place a minus sign in front of the value. Pressing the Enter Number key the second time enters the minus sign.

Saving the Calibration Constants

WARNING: Storing calibration constants overwrites the existing ones in non-volatile memory. If you are not sure you want to permanently store the new constants, omit this step. The dc source calibration will then remain unchanged.

 

Action

Display

48.

Press Shift Cal, scroll to CAL SAVE, and press Enter.

CAL:SAVE

49.

Press Shift Cal, select CAL OFF, and press Enter to exit Calibration mode.

CAL OFF

 

*RST and *RCL will also set the calibration state to OFF.

 

Restore the Language Setting

NOTE: Perform this procedure only if you changed the programming language from COMP to SCPI in the beginning of the calibration procedure.

 

Action

Normal Result

50.

Access the Address menu and scroll to the LANG: command.

LANG: SCPI

51.

Change the language from SCPI to COMPatibility, and press Enter.

LANG: COMP

158

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Agilent Technologies 66309B DVM Calibration applies to Agilent 66311D, 66309D only, Saving the Calibration Constants, 158
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66111A, 66309B, 66311B, D specifications

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