E ZERO DEPTH OF A SAMPLE CHAMBER
GeoPyc >[select a Zero Depth SOPfrom the drop-down list]
The analyzer determines the distance the plunger moves into an empty sample chamber to obtain
the zero depth of the chamber. This value is used after an analysis to calculate the percent of sample
volume in the sample bed. For best results, at least 25% of the bed volume should be actual sample.
The analyzer will store up to five sets of zero depth data. When performing a sample run, the
analyzer displays a prompt to enter the number of the zero depth data set to be used.
THE PERCENT SAMPLE VOLUME
Sample quantity plays a significant role in reproducibility. A specimen extracted from a larger
quantity of material must be of sufficient quantity to be representative of the whole. The specimen
used determines the minimum sample chamber size required for analysis. A sample chamber should
be selected in which the sample will constitute approximately 25% of the sample bed (sample plus
Dry Flo).
When performing the zero depth run, the zero depth of the sample chamber is determined and
recorded. The analyzer uses this value to calculate automatically the percent of sample volume
when performing a sample run.
E Zero Depth of a Sample Chamber
GeoPyc 1365 Operator Manual
136-42800-01 (Rev -) — Dec 2016
E - 1
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