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1 Introduction Model 3000PA
Teledyne Analytical Instruments
• Advanced Micro-Fuel Cell, designed for percent oxygen
analysis. Several options are available.
• Versatile analysis over a wide range of applications.
• Microprocessor based electronics: 8-bit CMOS microprocessor
with 32 kB RAM and 128 kB ROM.
• Three user definable output ranges (from 0-1% through 0-100 %)
allow best match to users process and equipment.
• Air-calibration range for convenient spanning at 20.9 %.
• Auto Ranging allows analyzer to automatically select the proper
preset range for a given measurement. Manual override allows
the user to lock onto a specific range of interest.
• Two adjustable concentration alarms and a system failure alarm.
• Extensive self-diagnostic testing, at startup and on demand, with
continuous power-supply monitoring.
• Two way RFI protection.
• RS-232 serial digital port for use with a computer or other digital
communication device.
• Analog outputs for percent-of-range and for range identification.
0–1 V dc. (Isolated 4–20 mA dc optional)
• Convenient and versatile, steel, flush-panel or rack-mountable
case with slide-out electronics drawer.
1.4 Model Designations
3000PA: Standard model.
3000PA-C: In addition to all standard features, this model also has
separate ports for zero and span gases, and built-in control
valves. The internal valves are entirely under the control of
the 3000PA electronics, to automatically switch between
gases in synchronization with the analyzer’s operations.
3000PA-M: This model has current output signals (4-20 mA) for percent-
of-range and range ID, in addition to voltage outputs.
3000PA-S: A Stainless Steel Probe and Probe Holder are used in this
model, for use where resistance to corrosion is important.