60 34410A/11A/L4411A Service Guide
3 Calibration Procedures
Recommended Test Equipment
The test equipment recommended for the performance verification and
adjustment procedures is listed below. If the exact instrument is not
available, substitute calibration standards of equivalent accuracy.
A suggested alternate method would be to use the Agilent 3458A 8½–digit
Digital Multimeter to measure less accurate yet stable sources. The output
value measured from the source can be entered into the instrument as the
target calibration value.
* Only one 34172B is required for the L4411A.
Performance Verification Tests
Use the Performance Verification Tests to verify the measurement
performance of the instrument. The performance verification tests use the
instrument’s specifications listed in the Product Data Sheet.
You can perform four different levels of performance verification tests:
•Self–Test. A series of internal verification tests that give a high
confidence that the instrument is operational.
• Quick Verification. A combination of the internal self–tests and
selected verification tests.
• Performance Verification Tests. An extensive set of tests that are
recommended as an acceptance test when you first receive the
instrument or after performing adjustments.
• Optional Verification Tests. Tests not performed with every calibration.
Perform these tests to verify additional specifications or functions of
the instrument.
Application Recommended Equipment Accuracy Requirements
Zero Calibration
DC Voltage
DC Current
Resistance
AC Voltage
AC Current
Frequency
Capacitance
Agilent 34172B (2 recommended)*
Fluke 5720A
Fluke 5720A
Fluke 5720A
Fluke 5720A
Fluke 5720A
Agilent 33220A
IET SCA
–1μF
4
–terminal low thermal short
<1/5 instrument 24 hour spec
<1/5 instrument 24 hour spec
<1/5 instrument 24 hour spec
<1/5 instrument 24 hour spec
<1/5 instrument 24 hour spec
<1/5 instrument 24 hour spec
<1/5 instrument 24 hour spec
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