CIRCUTOR CVMk2 Series - Manual (Page 122)

122
CVM k2
QUALITY
7.2.4 CREST FACTOR
The crest factor calculation is the ratio between peak and RMS values. When the signal is
sinusoidal, the crest factor value is 1.41 (square root of 2).
The crest factor calculation is used to detect periodic voltage disturbances that cannot be
detected with the THD.
These values are displayed on the screen as a %. The following variables are displayed on
the screen.
On this screen, the following options are shown above the function buttons:
Info : This displays the system information screen (Section 6.1.1.1., System Information).
Max : This displays the screen with the maximum values stored. The maximum values for each
variable recorded since the last reset are displayed on the screen along with the date and
time of registry.
On the Max screen, the INST. option appears, which can be used to return to the screen
that displays the instantaneous variables.
Min : This displays the screen with the minimum values stored. The minimum values for each
variable recorded since the last reset are displayed on the screen along with the date
and time of registry.
On the Min screen, the INST. option appears, which can be used to return to the screen
that displays the instantaneous variables.