Display Panel; Description; Operation - Instron 4400 Series Operator's Manual

Universal testing system
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Display Panel

Display Panel

Description

The Display Panel at the top of the control console has
three 4-digit LCD displays which allow the current
value of load, extension, and strain to be tracked for ob-
servation during a test. The tracking value on each dis-
play is not stored at the end of the test.
Additional functions enable the values of load, exten-
sion, and strain at peak load and at specimen break to be
saved for viewing on the displays at the end of a test.
The peak and break values are stored in nonvolatile sys-
tem memory until overwritten by the next test, or when
the system is reset.
When Area Compensation is in use, the gain of the load
signal applied to the LOAD display is divided by the
specimen area value (see page 5-38). Hence, when Area
Compensation is not equal to 1.000, the LOAD display
indicates the normalized value of stress.
Descriptions of the Display Panel control and indicator
functions are contained in Table 4-2.

Operation

(a) Press the TRACK key to track load, extension and
5-26
strain on the displays at any time during a test. The
TRACK LED lights and the three displays show the
constantly changing values while the test is in progress.
The storage of peak and break values is not interrupted
when the TRACK key is pressed. These functions are
always recorded.
M10-94400-1

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