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What is the THD (Total Harmonic Distortion) for the 140ACI03000 module?

We only specify THD for discrete AC input modules. The 140ACI03000 is strictly 1-5VDC or 4-20mA.

This card has no additional filtering capability outside of the built in low pass filter (-3db cutoff @ 15Hz, +-20%).

If the signal is simply too noisy and can not be cleaned up before it gets to the module, you can try creating some sampling or averaging logic. If the noise is overly excessive, even the logic will not work.

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