Keysight U1253B Guía Del Usuario Y Servicios página 96

1 ms Peak Hold
The Peak Hold 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:
1 Press
2 Press
– If the reading is "OL", press
NOTE
– If you need to restart peak recording without changing the range, press
3 Press and hold
4 In the measurement example shown in
Keysight U1253B User's and Service Guide
Crest factor = - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
True RMS value
for more than 1 second to toggle 1 ms Peak Hold mode ON and OFF.
to switch between maximum and minimum peak readings.
indicates maximum peak, while
restart peak-recording measurement.
will be 2.2669/1.6032 = 1.414.
Peak value
to change the measurement range and to
or for more than 1 second to exit this mode.
Figure 3-7
Functions and Features
indicates minimum peak.
on page 96, the crest factor
3
(3)
.
95