Teledyne 3000TA - General purpose trace oxygen analyzer - Manual (Page 18)

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2 Operational Theory Model 3000TA
Teledyne Analytical Instruments
Figure 2-4: Piping Layout and Flow Diagram for Standard Model
Figure 2-5 is the flow diagram for the sampling system. In the stan-
dard instrument, calibration gases (zero and span) can be connected di-
rectly to the Sample In port by teeing to the port with appropriate valves.
The shaded portion of the diagram shows the components added when the
–C option is ordered. The valving is installed inside the 3000TA-C enclo-
sure and is regulated by the instruments internal electronics.