Metrohm NIRS XDS Interactance OptiProbe Analyzer - Manual (Page 28)

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5.1 Interactance Reflectance Configuration
The Interactance Reflectance barrel should be
screwed onto the probe for reflectance sampling.
This photo shows the sample window, which is
faceted to illuminate the sample, and to channel
reflected energy back to the detectors.
Always be sure the probe barrel is screwed tightly,
against the metal stop.
Select the proper Tip type in the Data Collection
Method (DCM) in Vision.
(See section 6.0 for full information.)
The reference scan is taken with the Interactance
Reflectance Tip located in the uppermost aperture
on the front of the instrument, as shown.
Position the probe fully into the aperture. Click on
the reference icon in Vision.
With the Interactance Reflectance probe barrel
mounted, the operator may sample powders in
shipping containers, barrels and drums.
The 2-meter fiber length is generally sufficient to
permit sampling right on a pallet or cart.