Proportional Caliper Device
Product Options
Proportional Caliper Device
Supports the following standards: ASTM D4791
Use to determine the percentage of flat particles, elongated particles, or both flat and elongated particles in coarse aggregates. Steel construction for strength and durability, plated for corrosion resistance. 6" x 16" (152.4 x 406.4mm) base plate with four rubber feet for stability, and for convenience in tabletop testing. Ratio desired is obtained by selecting one of four adjustable positions: 2 = 1:2; 3 = 1:3; 4 = 1:4; or 5 = 1:5. It is recommended that the desired procedure be reviewed carefully prior to conducting the test.
Standards
Standards
ASTM D4791
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