VIBRATION METER ACCELERATION : 0.1-199.M/S2 PEAK(RMS*V2) VELOSITY : 0.1-1999.9MMS RMS DISPLACEMENT : 0.001-1.999MM P-P(RMS*2V2) ACCURACY : ±5%±2DIGITS ACCELERATION : 10HZ-1KHZ(LO), 1KHZ-15KHZ(HI) VELOCITY/DISPLACEMENT : 10HZ-1KHZ DATA OUTPUT : AC OUTPUT 2V PEAK, LOAD TEST MODE : ACCELERATION/ VELOCITY/DISPLACEMENT SAMPLING RATE : 1S LOW BATTERY INDICATION : YES AUTO SHUT OFF : YES POWER : 9V BATTERY(6F22) BATTERYLIFE : 25 HOURS CONTINUOUS OPERATION