2 Operational Theory |
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| Model 3000PA | ||||||||||||||||||||||||
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Span In
Zero In
Sample In
In vacuum service the restrictor should be placed here .
Solenoid
Valves
In normal service the restrictor should be placed here .
Components in the shaded area are in the
Cell
Flowmeter
Exhaust Out
Restrictor
Figure 2-5: Flow Diagram
2.4Electronics and Signal Processing
The Model 3000P Percent Oxygen Analyzer uses an 8031 microcon- troller with 32 kB of RAM and 128 kB of ROM to control all signal pro- cessing, input/output, and display functions for the analyzer. System power is supplied from a universal power supply module designed to be compatible with any international power source. Figure
Figure 2-6: Location of Electronic Components
Teledyne Analytical Instruments |