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114 Agilent U1251A/U1252A User’s and Service Guide
7 Performance Tests and Calibration
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 alternative 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.
Table 6-1 Recommended Test Equipment
Application Recommended equipment Recommended accuracy requirements
DC Voltage Fluke 5520A <1/5 instrument 1 year spec
DC Current Fluke 5520A <1/5 instrument 1 year spec
Resistance Fluke 5520A <1/5 instrument 1 year spec
AC Voltage Fluke 5520A <1/5 instrument 1 year spec
AC Current Fluke 5520A <1/5 instrument 1 year spec
Frequency Agilent 33250A <1/5 instrument 1 year spec
Capacitance Fluke 5520A <1/5 instrument 1 year spec
Duty Cycle Fluke 5520A <1/5 instrument 1 year spec
Nanosiemens Fluke 5520A <1/5 instrument 1 year spec
Diode Fluke 5520A <1/5 instrument 1 year spec
Frequency
Counter
Agilent 33250A <1/5 instrument 1 year spec
Temperature Fluke 5520A <1/5 instrument 1 year spec
Square Wave Agilent 53131A and Agilent 34401A <1/5 instrument 1 year spec
Short
Shorting Plug - Dual banana plug with copper wire
short between 2 terminal
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