... meter, vibration meter, ultrasonic thickness gauge, film/coating thickness gauge, digital hygrothermograph, high voltage megohmmeter, ground resistance tester, electric leakage switch tester,gas ... /sdisplacement:0.001~1.999 mm (P-P)accuracy±5%vibration frequency featuresacceleration: 10Hz~1KHz (LO);1KHz~15KHz (HI)velocity: 10Hz ...