Torsional Strain Measurements Flat-lined in NI Measurement and Automation Explorer (MAX)

Updated May 3, 2018

Reported In

Hardware

  • SCC-SG
  • SC-2345

Issue Details

I am trying to measure torsional strain using the SCC-SG04 and the SC 2345. I have a full bridge setup connected to the module. However, when I measure it in NI Measurement and Automation Explorer, I get a flat line signal. I've tested this setup using a potentiometer and 3 resistors to act as the full bridge setup and this works What am I doing wrong?

Solution

A flat-line signal usually indicates faulty connections with the sensor. It is good to check that
  • The crimp on wire terminals connected to the strain gage wires are connected properly
  • The strain gage is working properly
  • The wiring is correct for a full-bridge setup

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