Bruker QUANTAX EDS User Manual

5.7 Spectrum Acquisition QUANTAX EDS
63
5.7
Spectrum Acquisition
This section describes the workflow for spectrum acquisition within the Spectra workspace. It is
recommended to acquire a preview spectrum before proceeding with analysis in various
workspaces.
Step
Examples/hints
Choose appropriate measurement
conditions on the electron microscope.
Refer to the previous sections 5.1, 5.2, and
5.3
.
1
Select the workspace.
2
Click the
button to acquire
a
live spectrum.
The live spectrum appears in the spectrum
window. Click
the button
again to stop acquisition.
3
Click
on the button to
set timing parameters in the
Preview
timing submenu.
4
Click on the button
a) Set Acquisition parameters
Set acquisition time.
Automatic
Fast (50,000 counts) for major elements,
Precise
(250,000 counts) for minor elements,
Exhaus
tive (1,000,000 counts) for elements
close to the detection limit.
Manual
If Manual is selected, the acquisition has to
be stopped manually by clicking the
button.
Real Time
The acquisition will stop after the time
entered in the dialog box has elapsed.
Live Time
The acquisition will stop after the dead
time corrected acquisition time has elapsed.
Counts
The acquisition will stop after the predefined
number of counts is recorded.
b) Set Automatic quantification
If Continuous/After acquisition is selected,
the spectrum is quantified during
/after
acquisition.
Click to access the method
editor (see description in
5.12.1). Load a
quantification method using
the
button.
c) Activate Cyclic acquisition
This option acquires several spectra with
identical settings from the same area. Set
Cycle count and Pause [s]. Use
Add to
project
to automatically add acquired spectra
to project.
d) Spectrum numbering.
Automatic numbering can be activated. The
numbe
ring will start with the entered
Spectrum number.

Bruker QUANTAX EDS Specifications

General

Brand	Bruker
Model	QUANTAX EDS
Category	Laboratory Equipment
Language	English