... include laser distance meter,infrared thermometer, anemometer, sound level meter, noise meter, vibration meter, ultrasonic thickness gauge, film/coating thickness gauge, digital hygrothermograph, high voltage megohmmeter ... /sdisplacement:0.001~1.999 mm (P-P)accuracy±5%vibration frequency featuresacceleration: 10Hz~1KHz (LO);1KHz~15KHz (HI)velocity: 10Hz~1KHz ...