a072-10 美标针片状规准仪 产品详情
a072-10 proportional caliper
standard: astm d4791
used either for rapid determination of percentages of flat andelongated particles in coarse aggregate fractions of ⅜ (9.5 mm)or larger. consisting of 8x16 (203.2x406.4 mm) base plate withrubber feets, two fixed posts and a 12 (305 mm) pivoting arm,allowing ratios of 1:2, 1:3, 1:4, 1:5 to be obtained.
weight: 3 kg approx.