Proportional Caliper

Proportional Caliper


Use for the rapid and easy determination of percentage of flat particles, elongated particles, or both in coarse aggregate fractions of 9.5mm (3/8 in) or larger.
It consists of 6" x 16" (152.4 x 406.4mm) base plate with four rubber feet, two fixed posts and a 13in (330mm) pivoting arm. The positioning of the pivoting arm allows to obtain desired ratio among 1:2, 1:3, 1:4, or 1:5.
Weight: 3.2 kg.


  ASTM 4971

Technische specificaties

Order nummers

47-D1656: Proportional caliper to ASTM D4791. :

Accessoires & toebehoren