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Trace Nitrogen in Argon Analyzer
10
20
30
40
50
60
70
80
90
100
The analog output signal has a voltage which depends on the
nitrogen concentration AND the currently activated analysis range. To
relate the signal output to the actual concentration, it is necessary to
know what range the instrument is currently on, especially when the
analyzer is in the auto-ranging mode.
To provide an indication of the range, a second pair of analog
output terminals are used. They generate a steady preset voltage (or
current when using the current outputs) to represent a particular range.
The following table gives the range ID output for each analysis range:
Range
LO
MED
HI
Teledyne Analytical Instruments
0.1
5.6
0.2
7.2
0.3
8.8
0.4
10.4
0.5
12.0
0.6
13.6
0.7
15.2
0.8
16.8
0.9
18.4
1.0
20.0
Voltage (V)
Current (mA)
0.25
0.50
0.75
Operation
8
12
16
63
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