6 Performance Tests and Calibration
148 Keysight U1251B and U1252B User’s and Service Guide
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 Keysight 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 Keysight 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 Keysight 33250A <1/5 instrument 1 year spec
Temperature
Fluke 5520A <1/5 instrument 1 year spec
TM Electronics KMPC1MP
(K-Type thermocouple extension)
—
Square Wave Keysight 53131A and Keysight 34401A <1/5 instrument 1 year spec
Short Pomona MDP-S –
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