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A micro-extension measurement unit for the Instron 1185

B W Darvell and P K -D Lee

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A circuit is described to display cross head displacement to a resolution of 1 mu m, and to provide a proportional analogue voltage for a chart recorder. This has applications where strain gauge systems are inappropriate or impractical, and also permits recording of displacement versus time, an option otherwise not available.


PACS

07.10.Pz Instruments for strain, force, and torque

84.30.Sk Pulse and digital circuits

07.07.Hj Display and recording equipment, oscilloscopes, TV cameras, etc.

Subjects

Electronics and devices

Instrumentation and measurement

Dates

Issue 2 (February 1995)



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