Metrohm NIRS XDS Process Analyzer – DirectLight/NonContact - Manual (Page 90)

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3. With both probes in position, cover the
center area shown in the photo to prevent
stray light from affecting the Reference
Standardization.
Do not insert the WST3Wxxx standard.
Nothing is to be placed between the fiber
bundle ends during Reference
Standardization
4. Select the channel. From the menu bar,
click on Acquire, then Select Channel. Use
the spinner to select the correct channel,
then click on “OK”.
This must be performed for each channel.
Always verify the channel before
proceeding with the test.
5. Select Diagnostics, Reference
Standard, Create Reference
Standard. Vision takes an
instrument reference scan.
The XDS instrument has an internal
reference fiber, which is selected
for this operation.
6. Vision requests that the correction file be
located. It is in the C:\Vision directory.
Highlight the file “TSSZERO.da” and click
“Open.”
7. Once the file is selected, Vision applies the correction to sample spectra taken with this
channel. This method enhances transferability of samples from one channel (of a given probe
geometry) to another.
Click “Close Report” to proceed.