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Trace Oxygen Analyzer
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(See Chapter 4 for details.)
1.5.3 Displays
Digital Meter Display: The meter display is a LED device that
produces large, bright, 7-segment numbers that are legible in any
lighting. It produces a continuous readout from 0-10,000 ppm and then
switches to a continuous percent readout from 1-25%. It is accurate
across all analysis ranges without the discontinuity inherent in analog
range switching.
Alphanumeric Interface Screen: The backlit VFD screen is an
easy-to-use interface from operator to analyzer. It displays values,
options, and messages that give the operator immediate feedback.
Flowmeter: Monitors the flow of gas past the sensor. Readout is
0.2 to 2.4 standard liters per minute (SLPM).
1.6 Recognizing Difference Between LCD & VFD
LCD has GREEN background with BLACK characters. VFD has
DARK background with GREEN characters. In the case of VFD - NO
CONTRAST ADJUSTMENT IS NEEDED.
1.7 Equipment Interface
1.7.1 Electrical Connector Panel
The electrical connector panel, shown in Figure 1-2, contains the
electrical connections for external inlets and outlets. The connectors are
described briefly here and in detail in the Installation chapter of this
manual.
Teledyne Analytical Instruments
With subfunction selected, moves VFD back
through items on screen, to first item, then moves
VFD to previous display.
With a Subfunction Selected: Moves VFD on to the
next screen in a series. If none remains, returns to
the Analyze screen.
With a Value Selected: Enters the value into the
analyzer as data. Advances VFD to next operation.
Introduction
5
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