Instruction Manual

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1 Introduction Model 3000PA
Teledyne Analytical Instruments
Alarm Connections 2 concentration alarms and 1 system
alarm.
RS-232 Port Serial digital concentration signal output
and control input.
Remote Probe Used in the 3000PA for controlling
external solenoid valves only.
Remote Span/Zero Digital inputs allow external control of
analyzer calibration. (See Note, below.)
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 For future expansion. Not implemented
at this printing.
Optional:
Calibration Gas Ports Separate fittings for zero, span and
sample gas input, and internal valves
for automatically switching the gases.
Current Signal Output Additional isolated 4-20 mA dc plus
4-20 mA dc range ID.
Note: If you require highly accurate Auto-Cal timing, use external
Auto-Cal control where possible. The internal clock in the
Model 3000PA is accurate to 2-3 %. Accordingly, internally
scheduled calibrations can vary 2-3 % per day.