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NI 9239, can a /-10V data acquisition card be used to measure 0-20V signal?

NI 9239, can a /-10V data acquisition card be used to measure 0-20V signal?

‎09-09-2011 03:43 PM

Hello everyone,

                 I have NI9239 daq card, which has input range of +/-10V. Is it possible to measure 0-20V signal on same daq? if yes what would be the best approach?

Thanks!



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Re: NI 9239, can a /-10V data acquisition card be used to measure 0-20V signal?

‎09-09-2011 05:03 PM

You'd need to level-shift your 20V signal down 10 Volts. Then you can compensate for it in software.

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