51
[Auto Scale] and [Peak Auto-Detecting] function is not offered and only the adjustment of
frequency is available in the spectrogram graph.
In octave analysis, [Auto Scale] function is offered but [Peak Auto-Detecting] function is not
offered. However, the bandwidth being pressed for 1 second is changed from green to white bar, and
then you can read frequency and magnitude in the leftmost top of octave graph. Refer to [Fig. V-7-4].
[Fig. V-7-3] Spectrogram Graph
[Fig. V-7-4] Octave Graph
8. Record and Playback
Press the ARM button
to see an analyzed data in real-time without recording. And press the
stop button
to stop arming. If you want to hear the sound in real-time, you have to press hearing
button
and arming button
simultaneously.
Press the record button
to record and analyze the data. After recording is finished, wave file is
loaded and playback button
is activated. If you press playback button, playing the wave file and
analyzing the data executes at the same time.
To export a measured data, [Export] menu in [File>>Export…] tap should be selected. Refer to the
chapter III-4 to get the details.
9. Mode Conversion of FFT Analysis, Spectrogram and Octave Analysis
Press FFT button
for frequency analysis, and press the spectrogram button
for spectrogram
and press octave button
for octave analysis. Recording, playback and hearing function is same to
vibration level meter mode.
Summary of Contents for SLA-PA201
Page 64: ...64 Appendix 1 The Theory for calculating RMS by ISO2631 and ISO8041 ...
Page 67: ...67 Appendix 2 Frequency Response of Filter in the Vibration Level Meter ...
Page 75: ...75 Appendix 3 Theory of WBCombined Filter and Frequency Response ISO6954 Filter ...
Page 79: ...79 Fig 2 Lowpass Filter with 100Hz Cutoff Fig 3 a v transition Frequency Response ...
Page 88: ...88 Fig 12 Error between theoretical value and measured value ...
