Continuous Pretension Testing - Instron 4400 Series Operator's Manual

Universal testing system
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Air Kit Option

Continuous Pretension Testing

To set up for continuous Pretension testing, do the fol-
lowing:
(a) Set a Pretension Level and enable Pretension.
(b) Set an Excess Tension Level and enable Excess Ten-
sion (this step is optional).
(c) Enable Automatic Start.
(d) Enable Automatic Release.
(e) Enable Grip Control.
(f) Set a break action of RETURN.
With these settings, you can run a single test by simply
loading a specimen in the upper grip, press the CLOSE
pedal, apply the Pretension force, and step back while
the test runs.
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