1.Data-processing system base on JGJ/T23-2001 2.Standard impact energy：2.207J 3.Rigidity of tension spring：785N/M 4.Stroke of rebound hammer: 75mm 5.Average rebound hammer on steel anvil Rm:80±2 6.Error range for digital displayer：≤±0.5(the difference between displayer and scale） 7.Screen：128x64 resolution, 5 levels of back lighting adjustable 8.Storage：200 standard components (50 testing areas per component) 9.Power source：1*5# Ni-MH-rechargeable battery. 10.Power consumption：The biggest backlight= abou 200mA 11.Connect interface：USB2.0 12.Net weight：1.1Kg
