Manfred Weber
Metra Mess- und Frequenztechnik in Radebeul e.K.
PC Vibration Measurement System VibroMetra

Frequency axis settings

Frequency axis settings


1. Unit
The unit for the frequency axis is switchable.
Apart from the units Hz and 1/min, the display as order in order, Hz and order, 1/min is available  (order analysis).

Grid density

2. Grid density
If you activate this checkbox, VM-FFT will show grid lines at all graduation marks of the frequency axis.

Permanent autoscaling

3. Permanent autoscaling
If you activate this checkbox, VM-FFT will scale the frequency axis permanently in a way that all lines with more than 5% of the highest magnitude are visible.

Step size

4. Step size
The step size (shown in scale lengths) by which measurement curves and scale are shifted during a movement. For instance, 10% means that the measurement curves are moved by 1/10 of the frequency axis.

Automatic scaling

5. Automatic scaling
This button scales the frequency axis in a way that the signal is displayed with three periods of its main frequency.

Compress / expand curve

6. Compress / expand curve
These buttons compress or expand the measurement curve.