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Trace Oxygen Analyzer Introduction
Teledyne Analytical Instruments 3
Figure 1-1: Front Panel
Function Keys:
Seven push-button membrane switches are used to select the function
performed by the analyzer:
Set Alarm 1: Set Alarm 1 Hi or Low, and the concentration at
which alarm 1 activates.
Set Alarm 2: Set the Alarm 2 Hi or Low, and the concentration
to which alarm 2 activates.
Set HI Range: Set the high analysis range for the instrument (up
to 0-9999ppm).
Set LO Range: Set the low analysis range for the instrument
(down to 0-10ppm).
Set Span: Span calibrate the analyzer.
Data Entry Keys: Two push-button membrane switches are used to
manually change measurement parameters of the instrument as they are
displayed on the LED meter readout:
Up Arrow: Increment values of parameters upwards as they are
displayed on the LED readout.
Down Arrow: Increment values of parameters downwards as
they are displayed on the LED readout.
Digital LED Readout: The digital display is a LED device that
produces large, bright, 7-segment numbers that are legible in any
lighting environment. It has two functions: