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Topic: Digital Air Pressure Guage (Read 349 times) previous topic - next topic


If the gauge were ratiometric, it would say so on the data sheet. Instead, the gauge you linked has a calibrated output, with voltage (or current) proportional to pressure, selected from several possible ranges.

Google "ratiometric pressure gauge" for a more detailed explanation, but here is one: http://www.appmeas.co.uk/technical-notes/what-is-ratiometric-output.html


Thanks for the clarification, @jremington

This thread is once again solved, but I'll leave it open for up to 7 days to allow for additional comments.

Thanks and regards,


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