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LabVIEW™ for Data Acquisition by Bruce Mihura

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Transducers 7

With DAQ, the signals you are measuring or controlling will ultimately be translated into voltages compatible with your DAQ device. Even a current signal is converted to a voltage at some point; with current-reading DAQ devices, this conversion will occur internally. The devices that convert any real-world parameter to or from an electrical signal, often a voltage, are called transducers. NI has application notes devoted to many of these transducer types—this chapter is simply meant to give you a quick overview of the most common transducers. For an entire book on LabVIEW and transducers, read Sensors, Transducers, and LabVIEW: An Application Approach To Virtual Instrumentation, by Barry E. Paton, a physics professor. For a list ...

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