1Visually displays measurement value and state 2Acceleration, velocity and displacement measurement 3Different vibration frequency selection 4High sensitivity probe for accurate measurement 5Provides long and short probe head, each one is suitable for different situation measurement. Features:1. Visually displays measurement value and state2. Acceleration, velocity and displacement measurement3. Different vibration frequency selection4. High sensitivity probe for accurate measurement5. Provides long and short probe head,each one is suitable for different situation measurement.6. Equipped with AC signal output interface7. Low power indication functionand auto power-off function8. LCD backlightfor easy reading.9. Simple to use, the structure is compact, portablefor carrying along with measurementSpecification:Condition: 100% New: SMART SENSORModel: AS63ATechnical parameterTechnical specificationVibration pickupPiezoelectric ceramic accelerometer (shear-type)Measurement range of acceleration0.1-199.9m/speakMeasurement range of velocity0.1-199.9mm/s rmsMeasurement range of displacement0.001-1.999mm p-p (Velocity and displacement range is limited by acceleration199.9m/s2)Measurement accuracy10%+2digitsMeasurement frequency range of acceleration10Hz-1KHz (LO) 1KHz-15KHz (HI)Measurement frequency range of velocity10Hz-1KHz (LO)Measurement frequency range of displacement10Hz-1KHz (LO)Displays update cycle1 secondsLCD display3 1/2 digits displaySingle outputAC output 2 V peak (display full scale) Load impedance 10Kor more earphones can be connectedPower supply9V battery (not include)Static current20AOperating current25mAAuto power-off functionTurns off automatically after 60 secondsLCD backlight function7 secondsOperating temperature range0-40Operating humidity range30-90%RHLow battery indication6.9V0.2VWeight: Approx. 648g / 22.9ozSize: Approx. 17 * 6.5 * 3cm / 6.7 * 2.6 * 1.2in(probe is not included)Package List:1 * Vibration Meter2 * ProbesAC output 2 V peak (display full scale) Load impedance 10Kor more earphones can be connected