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Controls and components, Controls and components 20 – MTS Series LX Laser Extensometer User Manual

Page 20

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LX Laser Extensometer

Component Identification

Introduction

20

Controls and Components

Laser disable switch

This switch shuts down the scanning laser beam.

Laser emission indicator

This is a red LED lamp that illuminates when the scanning laser beam is present.

Power entry module

The fuse holder, the power switch, and the ac line connector are contained in this
module.

Certification label

This label certifies compliance with CDRH regulations.

Rear panel warning label

This label warns of the presence Laser Radiation inside the instrument.

Warning logotype

This label specifies the wavelength and maximum power output of the laser
radiation emitted from the instrument.

LCD display

Displays specimen elongation in either inches or millimeters when the instrument
is in the Run mode, and displays the value of various operating parameters when
the instrument is in the Setup mode.

Zero button

Pressing the Zero button offsets the current value of specimen elongation to zero
and displays Offset on the LCD display. Subsequent elongation measurements
then become relative to this new zero point. Pressing the Zero button again
removes the offset.

Select button

While in Run mode, pressing this button simultaneously with the Scroll button
forces the laser extensometer into the Setup mode. The Select button is then used
to select and accept major items from the Setup menu.

Scroll button

While in Run mode, pressing this button simultaneously with the Select button,
forces the laser extensometer into the Setup mode. The Scroll button is then used
to change the value of the selected item in the Setup menu. The Select button
must then be pressed to accept the new value of the selected item.

Run button

While in Setup mode, pressing this button returns the laser extensometer to the
Run mode.

Signal Output connector

A BNC connector is provided for monitoring the reflections coming back from
the specimen using an oscilloscope. This is especially useful for initial setup or
troubleshooting.

Serial I/O Port connector

A modular connector is provided to allow serial input/output connection to a host
computer.