1,Easy to use 2,Portable with Carry case 3,Digital Display Vibration Meter GM63B1,Easy to use 2,Portable with Carry case 3,Digital Display Acceleration0.1-199.m/S2 peak(rms*v2)Velosity 0.1-1999.9mms rms Displacement 0.001-1.999mm p-p(rms*2v2)Accuracy±5%±2digits Acceleration10Hz-1KHz(LO) 1KHz-15KHz(HI)Velosity/Displacement 10Hz-1KHzData Output AC Output 2V Peak,LoadTest Mode Acceleration/Velocity/ ...