Technical data

134 U1401A User’s and Service Guide
7 Performance Tests and Calibration
2
(cont)
Turn the rotary switch to
. Press to select
AC.
Connect the Normal
Hi-Low output terminals of
the calibrator to the
U1401A input terminals.
500 mV 500 mVrms
@ 45 Hz
±3.7 mVrms
500 mVrms
@ 5 kHz
±3.7 mVrms
500 mVrms
@ 20 kHz
±7.7 mVrms
5 V 5 Vrms
@ 45 Hz
±37 mVrms
5 Vrms
@ 5 kHz
±37 mVrms
5 Vrms
@ 20 kHz
±77 mVrms
50 V 50 Vrms
@ 45 Hz
±0.37 Vrms
50 Vrms
@ 5 kHz
±0.37 Vrms
50 Vrms
@ 20 kHz
±0.77 Vrms
250 V 250 Vrms
@ 45 Hz
±1.95 Vrms
250 Vrms
@ 5 kHz
±1.95 Vrms
250 Vrms
@ 20 kHz
±3.95 Vrms
Table 7 - 3 Input performance verification tests (continued)
Step Tes t Fun c tio n Connection to 5520A Range 5520A output
Error from
nominal 1
year