beautypg.com

Teledyne 6000B - Photometric analyzer User Manual

Page 45

background image

Photometric Analyzer

Operation 3

Part I 3-19

Teledyne Analytical Instruments

Select span

mode: AUTO

Press

Enter

to move to the next screen.

Span Val: 2Ш.ШШ %

To begin span

Use the < > arrow keys to toggle between the span concentration value

and the units field (%/ppm). Use the

ΔΔΔΔΔ∇ 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.

####.##%

SO2

Slope=#.### Span

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.

3.4.2.2

Manual Mode Spanning

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.

Select span

mode: MANUAL

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.

Span Val: 2Ш.ШШ %

To begin span

Use the < > arrow keys to toggle between the span concentration value

and the units field (%/ppm). Use the

ΔΔΔΔΔ∇ 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.

Press

Enter

to enter the span value into the system and begin the span

calibration.

Once the span has begun, the microprocessor samples the output at a

predetermined rate. It calculates the difference between successive samplings