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Thread: Transducer
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08-05-2012, 11:30 PM #1
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Transducer
I was looking at transducer, and was wondering how do they work? What pressure should they be at, and what voltages does it require?
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08-06-2012, 09:11 PM #2
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A pressure transducer converts pressure into an electrical signal.
Originally Posted by jjmarquez84
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08-09-2012, 12:39 PM #3
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jj;
Best to look at the mfg data. They are built in a plethora of configurations and cover a wide range of pressures. Some use a 0-10VDC signal, some use a 0-20mA signal and some have proprietary digital signals.
How they work? Early designs used something akin to a variable capacitor. One fixed plate (the case) and one moving plate (the diaphragm) I believe that the latest tech is piezo-electric strain gauges. Some crystals produce electricity when squeezed. Think the "snap" lighter on your BBQ grill.
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