Metrohm NIRS XDS Interactance OptiProbe Analyzer - Manual (Page 69)

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Vision asks if the user wishes to use an external
sample (standard) for the test. Click “Yes” to use
an external 10% reflectance standard.
XC-1010 Reflectance Standards contain a 10%
reflectance standard (R101xxxx) which may be
used for this test.
The 10% Reflectance Standard must be placed
into the drawer on the side of the instrument,
with the reflectance probe inserted into the
middle opening for this test.
Follow Vision screen instructions for testing.
If the user clicks “No” to the external standard, then Vision will automatically trigger the 10% internal
screen for this test. In this case, the reflectance probe should be in the upper opening, against the
internal instrument standard.
Vision runs the Low Flux Test, which takes about 10 minutes. At the end, the results are displayed. A
typical run is shown: