Auto Mode Spanning; Manual Mode Spanning - Teledyne 2010A Operating Instructions Manual

Thermal Conductivity Analyzer
Observe all precautions in sections 4.4 and 4.4.2, above. Press Span to
enter the span function. The screen that appears allows you to select whether the
span calibration is to be performed automatically or manually. Use the Δ Δ Δ Δ Δ ∇
arrow keys to toggle between AUTO and MAN span settling. Stop when
AUTO appears, blinking, on the display.
Press Enter to move to the next screen.
Use the < > arrow keys to toggle between the span concentration value
and the units field (%/ppm). Use the Δ Δ Δ Δ Δ ∇ arrow keys change the value and/or the
units, as necessary. When you have set the concentration of the span gas you are
using, press Enter to begin the Span calibration.
The beginning span value is shown in the upper left corner of the display.
As the span reading settles, the screen displays and updates information on
Slope. Spanning automatically ends when the span output corresponds, within
tolerance, to the value of the span gas concentration. Then the instrument auto-
matically returns to the analyze mode.
Press Span to start the Span function. The screen that appears allows
you to select whether the span calibration is to be performed automatically or
manually.
Use the Δ∇ keys to toggle between AUTO and MAN span settling. Stop
when MAN appears, blinking, on the display. Press Enter to move to the next
screen.
Use the < > arrow keys to toggle between the span concentration value
and the units field (%/ppm). Use the Δ Δ Δ Δ Δ ∇ arrow keys change the value and/or the
4.4.2.1

Auto Mode Spanning

Select span
mode: AUTO
Span Val: 2Ø.ØØ %
<ENT> To begin span
####.##% H2 — N2
Slope=#.###
4.4.2.2

Manual Mode Spanning

Select span
mode: MANUAL
Span Val: 2Ø.ØØ %
<ENT> To begin span
Teledyne Analytical Instruments
Part I: Control Unit
Span
Part I 4-15