Teledyne 3000 Ultra Trace - PPB oxygen analyzer - Manual (Page 12)

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1 Introduction Model Ultra Trace 3000
Teledyne Analytical Instruments
• RS-232 Port Serial digital concentration signal output
and control input.
• Remote Probe Used in the Ultra Trace3000 for
controlling external solenoid valves
only.
• 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.
Note: If you require highly accurate Auto-Cal timing, use external
Auto-Cal control where possible. The internal clock in the
Model Ultra Trace 3000 is accurate to 2-3 %. Accordingly,
internally scheduled calibrations can vary 2-3 % per day.