1-7Trace Oxygen Analyzer Introduction 1
Teledyne Analytical Instruments
Remote Sensor Used for external sensor and
thermocouple, if desired.
Remote Span/Zero Digital inputs allow external control of
analyzer calibration.
Calibration Contact To notify external equipment that
instrument is being calibrated and
readings are not monitoring sample.
Range ID Contacts Four separate, dedicated, range relay
contacts. Low, Medium, High, Cal.
Network I/O Serial digital communications for local
network access. For future expansion.
Not implemented at this printing.
1.7.2 Gas Connector Panel
The gas connector panel, shown in Figure 1-3, contains the gas con-
nections for external inlets and outlets. Those that are optional are shown
shaded in the figure. The connectors are described briefly here and in detail
in the Installation chapter of this manual.
Figure 1-3: Model 3020T Gas Connector Panel
Gas Inlet and Outlet One inlet (must be externally valved)
and one exhaust out.