Thermo 335904, Руководство оператора, Страница: 40 / 94

Entering a factor
1.
If necessary, press Change Mode to switch to
the Concentration with Factor mode.
2. Press Units/Factor to set the factor and select
the units.
3. Use the arrow keys to highlight the entry in the
Factor field and press Enter Factor to enter
the factor.
4. Use the number keys to enter the factor.
5. Press Enter Factor to accept the factor and
return to the screen displaying the factor and
units. The factor you just entered appears on
the display.
6. Press ESC to return to the Concentration
with Factor screen.
Measuring unknowns
1.
If your instrument is equipped with the
6-Position Cell Holder, place the unknown you
want to measure in one of the cell positions
and press the corresponding cell position
button on the keypad to move the cell holder to
the measuring position. The measurement
appears on the display.
If your instrument is equipped with the Single
Cell Holder Platform, remove the blank and
place the unknown in the cell holder. The
measurement appears on the display.
Advanced A/%T/C - Absorbance &
%Transmittance measurements
When you use the Advanced A/%T/C program for
absorbance or %transmittance measurements, you
can perform these tasks:
•
Select the measurement mode you want to use
(Absorbance or %Transmittance)
• Run Cell Correction program
• Recall a test OR set up your test parameters
• Measure a blank
• Measure unknowns
To get started, press the TEST key on the keypad.
When the Test Types screen appears, highlight
Advanced A/%T/C and press ENTER .
Recalling a test
1.
With the Advanced A/%T/C screen displayed,
press Stored Tests . A list of stored tests
appears.
2. Use the arrow keys to highlight the name of
the test you want to recall and press
ENTER .
The parameters for the selected test appear on
the screen.
Using “General Tests” Software
Thermo Electron Corporation 3-8