Teledyne BDS-3000 - Oxygen analyzer User Manual
Page 67
Oxygen Analyzer
Operation
Teledyne Analytical Instruments
53
Use the __
arrow keys to enter the oxygen-concentration mode
(999.99 ppm is maximum value of span gas allowed). Use the__arrow
keys to blink the digit you are going to modify. Use the __
arrow keys
again to change the value of the selected digit. When you have finished
typing in the concentration of the span gas you are using, press ENTER
to begin the Span calibration.
#### ppm Span
Slope = #### ppm/s
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 automatically returns to the analyze mode.
4.4.2.2 M
ANUAL
M
ODE
S
PANNING
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.
Span: Settling: MAN
Use the __
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.
Press ENTER to move to the next screen.
Calib. Holding time
Cal hold: 5 min
This menu allows the operator to set the time the analyzer should
be held in the
AUTO
span mode. It does not have any effect in the
MAN
ual mode. Just press ENTER key to continue.
Span Val:
008.00ppm
#
Press _(
Mod #
) of span value.
Use the arrow keys to enter the oxygen concentration of the span
gas you are using (999.99 is maximum value of span gas). The__ arrows
choose the digit, and the __arrows choose the value of the digit.