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Vibration analyzation

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Vibration analyzation

Postby Guest » Tue Apr 22, 2008 9:14 pm

What would be required for me to your equipment in conjuction with a vibration analyzer. I think I am looking for a low freq spectrum analyzer with this piece of equipment I could view the full range of frequency the pickup is recording.
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Postby picojohn » Wed Apr 23, 2008 1:12 pm

Hello Guest,

What are the output characteristics of your vibration analyser?

Regards
John
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Postby Guest » Wed Apr 23, 2008 11:13 pm

The output of the analyzer is 5 volts RMS. The instruction manual comments about Displacment and Velocity however I am not really sure what that means right now. The frequency range I would like to view is between 50 CPM (counts per minute) and 500K CPM. I realise the low number may not be practical, I would happy for something that started around 300 CPM (5hz). Please Advise if possible.

I will try to figure the difference betwen velocity and displacment.
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Postby picojohn » Thu Apr 24, 2008 1:59 pm

Hello Guest,

If I understand correctly, the frequency range of your system is 0.83 Hz to 8.33 KHz?

Dependent upon the vertical range required, you may wish to consider the PS2203 with 8 bit resolution or, 12 bit PS3224 if higher resoltion is required (http://www.picotech.com/oscilloscope-specifications.html).

Using PicoScope 6 software application would give a lowest frequency spectrum range of 0 to 150 Hz which should be fine for your requirement.

Regards
John
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Postby Guest » Fri Apr 25, 2008 11:38 pm

Thank you for you help John. You are correct I am spicifically looking for the range from DC to 10khz. I was leaning twards the 3224 for this application, that piece of equipment looks like it will meet my needs. I appreciate your help with this matter.
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