Keysight Technologies U1253B - Page 178

6 Performance Tests and Calibration
178 Keysight U1253B User’s and Service Guide
Caution: Connect calibrator outputs to handheld multimeters A and COM terminal before applying 5 A and 10 A
19
Press to select DC A measurement
5 A 5 A ± 16 mA
10 A
[j]
10 A ± 35 mA
20
Press to select AC A measurement
5 A 5 A, 1 kHz ± 37 mA
10 A
[k]
10 A, 1 kHz ± 90 mA
Square wave
output
Measure with
53131A
21
Turn the rotary switch to the position
120 Hz @ 50% ± 26 mHz
4800 Hz @ 50% ± 260 mHz
duty cycle
100 Hz @ 50%
± 0.398%
[l]
100 Hz @ 25%
± 0.398%
[l]
100 Hz @ 75%
± 0.398%
[l]
Table 6-2 Performance verification tests (continued)
Step Test function Range
Reference signals/
values
Error limits