Instantel Minimate Pro Series - Nearly Triangular Waveforms; Compound Waveforms

Minimate Pro Operator Manual 12–5
Maximum Displacement (mm) =
T
2
A
m


b. Calculating Acceleration:
Maximum Acceleration (in./s
2
) =
2
T
A


Maximum Acceleration (mm/s
2
) =
2
T
A
m


12.2.4. Nearly Triangular Waveforms
Motion is irregular and has large amplitude.
Manual Waveform Calculations on Nearly Triangular Waveforms
a. Calculating Displacement:
Maximum Displacement (in.) =
T
8
A
Maximum Displacement (mm) =
T
8
A
m

b. Calculating Acceleration:
Maximum Acceleration (in./s
2
) =
1
T
Y
Maximum Acceleration (mm/s
2
) =
1
T
Y
m

12.2.5. Compound Waveforms
If the record exhibits interference by two or more predominant frequencies then the maximum
displacement will be the sum of the maximum of each individual frequency component.
T
A
T
2
T
1
A
2
A
1