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Installing the small sample mount

The small sample mount enables you to take reflectance readings of very small solid

samples, for example gemstones. The kit features five different mounts and three

different apertures. The sizes of the apertures are 1mm, 3mm and 5mm. A PTFE

reflectance standard is also included.

Figure 21. The Small Sample mount. "A" sample mounts, "B" apertures, "C" sample

cup and "D" PTFE standard.

1. Install the DRA

into the instrument.

2. Install the Small Sample Holder

onto the DRA.

3. Place the sample onto the sample mount, you may need to use tweezers to

correctly position the sample.

Figure 22. Placing the sample onto the mask.

4. Place the mount (the size mount used is determined by the size of your sample)

onto the sample cup.

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