2 perform a wavelength scan, Expanded programs – Hach-Lange DR 6000 User Manual User Manual
Page 108
108
Expanded programs
Integral
The Integral applies to the whole wavelength range of the scan.
1. Press Integral: Off in the "Options" menu.
2. Highlight On to show the Integral.
3. To find the integral of other wavelength ranges, change the
wavelength range and scan again.
4. Press OK to confirm.
5. Press Return to return to the Scan mode.
Note: The Integral is shown instead of the date on the display.
Note: For the next scan reading the setting for the Integral will be On.
Scale & Units
1. Press Options > More.. > Scale & Units.
2. Highlight the required units (Abs or %T).
3. Highlight Auto or Manual scaling on the graph's y-axis.
Note: When selecting the manual scaling, the limit values y
min
and y
max
can be entered using the alphanumeric keypad. The graph is adjusted to
display only the values in the selected range. If automatic scaling is
selected, the instrument sets the limits automatically so that the total
range can be displayed.
4. Press OK.
5. Press Return to return to the Scan mode.
Reading Mode
The Reading Mode functions enable the sample to be analyzed
with a single reading or with an optional carousel insert (sample
changer).
•
Single Reading: A single reading is taken after Read is
pressed.
•
Carousel 1 inch square: Performs a series of
measurements in 1-inch square cells with an option carousel
insert.
•
Carousel 1 cm square: Performs a series of measurements
in 1-cm square cells with an optional carousel insert.
Additional information can be found in the carousel user manual.
(
6.5.2
Perform a wavelength scan
After selecting all scan parameters, record a base line (initial zero
reading). If a scan parameter is changed, a new base line must
be recorded. After the scan of the baseline the device is ready for
the scanning of one or several samples.