1.measure acceleration,displacement,velocity 2.provide long and short probe 3.piezoelectric ... . Our products include laser distance meter,infrared thermometer, anemometer, sound level meter, noise meter, vibration meter, ultrasonic thickness gauge, film/coating ... resistance tester, electric leakage switch tester,gas detector.2.Specification ModalTL63Ameasuring rangeacceleration:0.1~199.9m/svelocity:0 ...