Teledyne 3190 manual Rear Panel Description, Up Arrow

Trace Oxygen Analyzer Introduction 1

•Set HI Alarm Set the concentration ABOVE which an alarm activates.

•Set LO Alarm Set the concentration BELOW which an alarm activates.

•Set HI Range Set the high analysis range for the instrument (up to 0-9999 ppm).

•Set LO Range Set the low analysis range for the instrument (down to 0-10 ppm).

• SpanSpan calibrate the analyzer.

Data Entry Keys: Two pushbutton 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:

•Meter Readout: As the meter readout, it displays the oxygen concentration currently being measured.

•Measurement Parameters Readout: It also displays user- definable alarm setpoints, ranges, and span calibration point when they are being checked or changed.

1.4Rear Panel Description

The rear panel contains the electrical input and output connectors. Separate rear panel illustrations are shown in Figure 1-2 for the AC and DC powered versions of the instrument. The connectors are described briefly here and in detail in the Installation chapter of this manual.

Teledyne Analytical Instruments 1-3