Teledyne GFC7001T User Manual Page 116

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SetupTeledyne API – Model T300/T300M CO Analyzer
Teledyne Analytical Instruments 116
5.9.2. ANALOG OUTPUT
Analog Output is used as a step test to check the accuracy and proper operation of the
analog outputs. The test forces all four analog output channels to produce signals
ranging from 0% to 100% of the full scale range in 20% increments. This test is useful
to verify the operation of the data logging/recording devices attached to the analyzer.
(See also Section
12.5.8.2).
Access the Analog Output Step Test from the DIAG Menu as follows:
5.9.3. ANALOG I/O CONFIGURATION
The GFC7001T/GFC7001TM Analyzer comes equipped with four analog outputs.
The first two outputs (A1 & A2) carry analog signals that represent the
currently measured concentration of CO (see Section 5.4.1).
The third output (A3) is only active if the analyzer is equipped with one of
the optional 2
nd
gas sensors (e.g. O
2
or CO
2
).
The fourth output (A4) outputs a signal that can be set to represent the
current value of one of several test functions (see Table 5-9).
Table 5-5 lists the analog I/O functions that are available in the
GFC7001T/GFC7001TM Analyzer.
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