Standard: ASTM C805, BS 1881-202, DIN 1048, UNI 9198, EN12504-2 Features: 1. Automatically display and record the rebound value,and calculate the converted intensity value of each measurement area and the estimated strength of the component according to the relevant inspection specifications. 2. 2.0-inch color LCD screen (220×176 pixels), clearly visible inspection data in any situation. 3. Color digital module and mechanical rebound meter can be disassembled at will. 4. Standard battery module, free to dismantle, replace anytime,anywhere, fully realize double power and double charge, unlimited field test.