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Leadwire Selection
 



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Leadwires, properly selected and installed, should play a passive, yet critical, role in strain measurement. Their primary function is to deliver power to those portions of the strain gage circuit remote from the measurement instrument and to retrieve the strain-induced measurement signal from the gage installations. Ideally, leadwires take nothing from the measurement signal and add nothing to it.


While all leadwires do influence the signal to some extent in actual practice, Micro-Measurements offers a complete line of wires and cables which can be used to minimize leadwire errors. Following is a brief outline of the more important selection considerations:
  Temperature Capabilities
  Number of Conductors
  Diameter of Conductor
  Solid vs. Stranded Wire
  Twisted/Shielded Cables
  Adhesion to Environmental Protection