Examples of Transducer Impedance measurements using NI 4552.

[DLA]

Are there any examples available for Impedance Calculations from Voltage and Current Data taken from NI 4552 acquisitions?

[Bryan F]

Hello,

I would recommend taking a look at the LabVIEW shipping example for NI-DSA called "Frequency Response Example.VI" You could measure the voltage across the circuit using channel 0, and then use a current transducer (probably just a precision resistor) to measure current on channel 1. The results of this calculation would give you the impedence at various frequencies. By switching between magnitude and phase views, you can examine the resistive and reactive components of the impedance.

Good luck!