GM63B Vibration Meter Speed Acceleration Displacement Measurement Split Type Handheld Portable Vibration Measurer Item Type: Digital Vibrometer Model: GM63B Material: ABS Battery: 1 x 6LR61 9V Battery (Battery Not Included) Purpose: It can be used for speed, acceleration, displacement measurement and other vibration measurement needs. Acceleration Measurement Range: 0.1~199.9m/S² Speed Measurement Range: 0.1~199.9m/S Displacement Measurement Range: 0.001~1.999mm P-P Accuracy: ±5% Vibration Collection: Piezoelectric Ceramic Acceleration Sensor Acceleration Measurement Frequency Range: 10Hz~1KHz(LO) 1KHz~15KHz(HI) Speed Measurement Frequency Range: 10Hz~1KHz(LO) Frequency Range Of Displacement Measurement: 10Hz~1KHz(LO) LCD Display: 3 And A Half Digits Display Maximum Lock: Support Temperature Conversion: Support Environment Display: Support