Supports the following standards: AASHTO T49, AASHTO T187 The H-1240DA penetrometer adds a digital gauge to the H-1240 electric penetrometer to provide precise at-a-glance readings, as well as the ability to automatically start a test with a button push and have the test end after a preset duration. This unit has a machine-grooved aluminum base, built-in leveling screws fitted with rubber inserts to protect needle and cone tips. Two stainless steel rods support the cast aluminum head with coarse/fine adjustments. A button release mechanism with a digital timer automatically stops the plunger when the preset time from 0.1–9.9 seconds expires and the indicator can be instantly reset to zero. Any needle or cone with a standard 1/8in (3mm) diameter stem may be mounted to the 47.5g plunger assembly. The penetrometer is supplied with a standard 2.5g ASTM D 5 Needle and two additional Loading Weights (50g and 100g). Features: Automated and precise sensitive measurements Leveling screws on the base and rubber inserts to protect needle and cone tips Automatically start a test with a button push and have the test end after a preset duration. Includes: 1- Electric Penetrometer with digital gauge 1- Standard 2.5g ASTM D 5 needle 1- 50g loading weight 1- 100g loading weight