Using a Gauge With a Different Resistance Than Specified With My PXIe-4331

Updated Nov 30, 2018

Reported In

Hardware

  • PXIe-4331

Issue Details

I want to use a strain gauge with a resistance value that is not listed on the PXIe-4331 datasheet. Is there any reason this is not possible ?

Solution

The values listed on the datasheet are for internal bridge completion. It means that if you are using the quarter-bridge or half-bridge configuration, the PXIe-4331 will not be able to complete the bridge with the hardware it has available. If you are using the full-bridge configuration, those completion resistors are not needed anymore, and there is no technical reason that it would not work correctly.

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