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Sediment Comparators

Without Glued-On Grains That Wear Off, Chart Stands up to Repeated use.

  • Compare sediment sizes in the field or classroom
This translucent plastic comparator lets you quickly identify grain sizes; simply hold the comparator over the sample and match it to the graduated scale. The business-card-size chart includes millimeter scale, angularity chart, grain sizes in phi scale from -1.0 to +4.0; micron scale from 62–2,000; very coarse upper to very fine lower. Package of five.



Item # Description Unit Availability Price Quantity
470218-840 Sediment Comparators
Pack of 5 Retrieving


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