Specifications: Measuring Range : 10-70N/mm Impact energy : 0.225kgm ( 2.207Nm Maximum breakdown triction of rider : 0.49-0.78N ( 50-80g) Meanvalue of steel-anvil rating of hammer : 802 Punch advance for impact hammer : 75mm Application : for testing ordinary bulding and bridge construction Dimesion : 60 X 280 mm Net Weight : 1 kg Standart : ISO/DIS 8045, EN 12504-2, ENV 206, DIN 1048 part 2, ASTM C 805, ASTM D 5873, NFP 18-417, B 15-225, JGJ/T 23-2001, JJG 817-1993