1 Calibration Procedures
50 Keysight U1281A/U1282A Service Guide
AC μA/mA
60.00 μA
30.00 μA (55 Hz) Reference value
60.00 μA (55 Hz) 0.9 to 1.1 x Reference value
600.00 μA
30.00 μA (55 Hz) Reference value
300.00 μA (55 Hz) 0.9 to 1.1 x Reference value
6.00 mA
0.30 mA (55 Hz) Reference value
3.00 mA (55 Hz) 0.9 to 1.1 x Reference value
60.00 mA
3.00 mA (55 Hz) Reference value
30.00 mA (55 Hz) 0.9 to 1.1 x Reference value
600.00 mA
30.00 mA (55 Hz) Reference value
300.00 mA (55 Hz) 0.9 to 1.1 x Reference value
DC A
Open oPEn Open terminals
6.00 A 3.00 A 0.8 to 1.2 x Reference value
20.00 A 10.00 A 0.8 to 1.2 x Reference value
AC A
6.00 A
0.30 A (55 Hz) Reference value
3.00 A (55 Hz) 0.8 to 1.2 x Reference value
20.00 A
3.00 A (55 Hz) Reference value
10.00 A (55 Hz) 0.8 to 1.2 x Reference value
[a] The sensor for the Vsense (non-contact voltage) calibration is located on the top center of multimeter. Place the top area as close as possible
to the standard signal source without any loads.
[b] — Set the 5520A to internal reference.
— Prior to performing adjustment, connect one end of the K-type thermocouple (with miniature TC connector on both ends) to the 5520A TC
output, and the other end to a precision thermometer to verify that the source outputs the desired value. Adjust the source accordingly if
necessary.
— To perform the adjustment, connect one end of the K-type thermocouple (with miniature TC connector on both ends) to the 5520A TC
output, and the other end to the multimeter via a TC-to-banana adapter. Allow at least 1 hour for the multimeter to stabilize.
Table 1-19 Adjustment input values (continued)
Test function Step Reference value Valid reference input
To Next Page
Loading...
