Teledyne 2120XL - Trace Nitrogen Analyzer - Manual (Page 75)

Trace Nitrogen in Argon Analyzer Operation
Teledyne Analytical Instruments 63
70 0.7 15.2
80 0.8 16.8
90 0.9 18.4
100 1.0 20.0
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 Voltage (V) Current (mA)
LO 0.25 8
MED 0.50 12
HI 0.75 16