Getting Started
Spectral Products
3.5.2. Data Collection Parameters
Actual HV
displays the voltage supply to the PMT.
Current
λ
displays the current wavelength of the monochromator
UNIT
displays the current units used in the graph and the scan setup screens. (Selectable
for CM only under menu item
CmDk:Units
.)
Time delay
sets a pause in ms between the grating step and data
acquisition. The default value is 0.
There are two options for data collection:
ZeroScan
and
Scan
. To activate one of the options first select the
collection type
, second, click on
ENTER
button.
ZeroScan –
Scans the monochromator above and below zero order with the number of
steps in the ‘Steps Below 0’ box.
Scan –
Scans the monochromator from the ‘Start’ to the ‘End’ wavelength, with the
increment in ‘Step’.
Gr/mm
displays the current grating ruling
(groove/mm).
Grating #
displays the number of the current grating
(selectable under menu item
CmDk:Select
)
Info
allows choice of display
between monochromator serial
number, the number of gratings,
or the blaze wavelength of the
selected grating.
Error
shows red if an error occurred
Steps Below 0:
use to set the number of steps below and above 0nm for zero scan.
Turrets
(DK models only): use to activate the specified turret in zero scan mode. The selections are:
0: Turret 1&2 (Double monochromator only)
1: Turret 1 (default)
2: Turret 2
Spectral
Products
2659 Pan American Fwy, Suite A, NE Albuquerque, NM 87107 Ph. (505) 343-9700 Fax (505) 343-9705
17
ZeroScan