Keysight E3631A - Figure 3-3 Peak-To-Peak Ripple;Noise Measurement Setup

3 Calibration Procedures
62 Keysight E3631A Service Guide
7 Disconnect the oscilloscope and connect a RMS voltmeter in its place as
shown in Figure 3-4. The RMS voltage reading does not exceed the RMS limit
of 0.35 mV for each of the three outputs.
8 Repeat steps (1) through (7) for the remaining outputs.
Figure 3-3 Peak-to-peak ripple/noise measurement setup