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Teledyne GFC-7000E - Trace CO2 Analyzer User Manual

Page 23

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Model GFC7000E Instruction Manual

Getting Started

04584 Rev A1

12

Figure 3-2: Rear Panel Layout

9. Attach a strip chart recorder and/or data-logger to the appropriate analog output connections

on the rear panel of the analyzer.

ANALOG

A1 A2 A3 A4

1 2 3 4 5 6 7 8

When the instrument is in its default configuration, the A1 and A2 channels output a signal
that is proportional to the CO

2

concentration of the sample gas. Either can be used for

connecting the analog output signal to a chart recorder or for interfacing with a datalogger.

The third analog output, labeled A3 is special. It can be set by the user (see Section

6.9.9) to output any one of the parameters accessible through the keys of the
units sample display.

The standard configuration for these outputs is mVDC. An optional current loop output is

available for each.

Output A4 is not used on the Model 306E.

Pin-outs for the analog output connector at the rear panel of the instrument are: