AEMC OX 7102 III, User Manual

Page: 85 / 226

Oscilloscope Mode - The "Measure" Menu
SCOPIX IV - 85
Oscilloscope Mode (cont'd)


It is possible to select two permanent measurements.

The "

" symbol indicates the measurement(s) that will be indicated
in the status area.

Activation of the automatic measurements causes two markers (+) to
appear on the curve, if at least one period is visible on the screen.

The display order corresponds to the chronological order of the
selection and the markers are assigned to the first measurement
selected.
Automatic measurements in the status area can be deleted by means of
this menu, by erasing the selected measurements (no "

" symbol in the
automatic measurements table).
Reference memory
difference
Activation of the "Reference memory difference" option is a way of
calculating the deviations, for all the automatic measurements, between
the selected trace and the memorized reference trace (see §. Memory
Menu).

Example
Calculation performed and displayed on one of the 20 automatic
measurements:
Vpp (Ref. memory difference) = Vpp (Trace 1) – Vpp (Trace 1

Ref 1)
The calculation is performed in the same way for all the measurements.


This option is only active if a reference trace is present.
It must correspond to the trace on which you wish to perform
automatic measurements
(

Example: Trace 1 and Trace 1

Ref. 1).

Condition: the reference trace must have the same characteristics as
the associated trace (sensitivity and time base)
20 automatic
measurements
Vmin minimum peak voltage
Vmax maximum peak voltage
Vpp peak-to-peak voltage
Vlow established low voltage
Vhigh established high voltage
Vamp amplitude
Vrms rms voltage
Vrms_c Rms voltage performed on an integer number of cycles
Vavg average voltage
Over+
positive overshoot
Trise rise time
Tfall
fall time
W+ positive pulse width (at 50 % of Vamp)
W- negative pulse width (at 50 % of Vamp)
P period
F frequency
DC cyclic ratio
N
number of pulses
Over- negative overshoot
Sum
summon of instantaneous values of the signal
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