Ms Peak Hold; Enabling The 1 Ms Peak Hold Function - Keysight U1211A Guía Del Usuario Y Servicios

1 ms Peak Hold

This function allows the measurement of peak voltage for analysis of components
such as power distribution transformers and power factor correction capacitors.
The peak voltage obtained can be used to determine the crest factor:

Enabling the 1 ms peak hold function

1 Press Shift/Peak for more than 1 second to toggle 1 ms peak hold mode ON
2 Press Hold/Max Min to switch between maximum and minimum peak
3 Press Shift/Peak for more than 1 second to exit the mode.
4 In the measurement example shown in
– If the reading is "OL", press Range/Auto to change the measurement range
NOTE
– If you need to restart peak recording without changing the range,
Keysight U1211A, U1212A, and U1213A User's and Service Guide
Crest factor =
True RMS value
and OFF.
readings. DH MAX indicates maximum peak, while DH MIN indicates minimum
peak (DH MIN minimum peak is only available in U1213A).
will be 312.2/220.8 = 1.414.
and to restart peak-recording measurement.
press Shift/Peak.
Peak value
Figure 3-4
Functions and Features
on page 60, the crest factor
3
59