The O Durometer is a standard device for measuring soft elastic and textiles (Shore O). The Durometer is composed of a measuring device with sensor and a 360° anti-glare dial with readings to within 0.5 hardness units. Meets with the ASTM D 2240 standard.
O Durometer 是用於測量軟彈性和紡織品（Shore O）的標准設備。硬度計由內置傳感器及360°防眩光錶盤組成，讀數在0.5硬度單位內。符合ASTM D 2240標準。
Durometer O-S Shore O
Force of pressure 12.5 N Penterating body 3 / 32" Standard ASTM D 2240 Diameter of dial 57mm Total length 123mm Display range 0 to 100 Measurement range 10 to 90 Margin of error ±0.5 Division of scale 1 Pulling needle Yes Weight 158g