Sound Pressure Measurement with Veristand

[wade75]

Greetings,

     I am currently using Veristand 2017 and would like to measure sound pressure on a NI 9234 C-series module.  Hower when configuring the Analog Input there is no option for Sound Pressure.Option Only Pressure.  However a Pressure Measurement is incompatible with the 9234.  Is there another way to measure sound pressure with Veristand without the use of a custom device or the like?

[santo_13]

You can measure as voltage and do your own conversion to dB SPL.

[wade75]

Thanks for the reply.  However, Because of the high frequency needed to sample the data I cannot use the scan clock of the Veristand Scan Engine.  Therefore, I need to use the Waveform Tasks.  When using these tasks, the data cannot be calibrated or converted from the original state that it is read from the driver.  The calculation editor does not have access to these signals either.

[ZYOng]

You can try using Waveform-Processing-Custom-Device.

I am not sure if you can Mapping Scales to Channels from this custom device. In case you can't, a guide on how to Replacing Scaled Waveform with Custom Processing has been provided.