Teledyne OT-3 operating instructions Function Keys

Trace Oxygen Analyzer Introduction

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:

Teledyne Analytical Instruments 3