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

Frequency axis settings

 
Frequency axis settings
1

Unit

 
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).
2

Grid density

 
2. Grid density
If you activate this checkbox, VM-FFT will show grid lines at all graduation marks of the frequency axis.
3

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.
4

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.
5

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.
6

Compress / expand curve

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