Starrett Digital Durometer No. 3805A

Fast & Convenient Soft Materials Testing The No. 3805A Digital Durometer is lightweight, ergonomically designed, reasonably priced and engineered to perform at the highest level of accuracy. Capable of measuring hardness in Shore A values, the most popular scale, the portable durometer is ideal for fast, convenient testing of rubber, PVC, leathers, vinyl, acrylic and other similar materials. Contact is made with a 35 degrees blunt point, ensuring superior accuracy. Features & Specifications  • Accurate and repetitive deviation     of 20-90 HA< ±1 grade • Resolution of .1HA • Measuring range of 0-100HA • Conforms to ASTM D-2240, ISO 7619    standards • Large, easy-to-read LCD display • Automatic Off • Ability to allow averaging and to lock in peak value • Weighs only 8.2 ounces (233 grams) • Compact size of 6.40 x 2.56 x 1.120 (163 x 65 x 28mm) v4 AAA batteries included • Supplied with rubber test block RBR-63