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in cylinder running comp test

  • ian.broadbent
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8 years 8 months ago #10083 by ian.broadbent
in cylinder running comp test was created by ian.broadbent
Put together a running compression tester using a Chinese transducer, that as given me this,a bit short of what i expected with a very notchy waveform.
Maybe just a rubbish sensor?
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8 years 8 months ago #10085 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic in cylinder running comp test
I haven't done one for a while but it looks like a scope setting issue I think you may have peak detect turned on,
" We're trying to plug a hole in the universe, what are you doing ?. "
(Walter Bishop Fringe TV show)

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  • Tyler
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8 years 8 months ago #10108 by Tyler
Replied by Tyler on topic in cylinder running comp test
Seems like a crappy transducer to me. :-( You could experiment with a vacuum/pressure pump, applying steady changes and see if it responds correctly.

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