Digital Vibrometer Motor Fault Vibration Detector Vibration Pen 1. Sensor: piezoelectric accelerometer 2. Acceleration measurement range: 0.1-199.9ms2 (peak value) 3. Velocity measurement range: 0.1-199.9mms (true effective value) 4. Displacement measurement range: 0.001-1.999mm (peak-to-peak value) 5. Measurement error: +-(5%+2dgts) 6. Low-frequency acceleration measurement frequency range: 10Hz-1KHz 7. High-frequency acceleration measurement frequency range: 1ΚΗz-10ΚΗz 8. Velocity measurement frequency range: 10Hz-1KHz 9. Displacement measurement frequency range: 10Hz-500Hz 10. Data refresh time: 500ms 11. Number of storage records: 200 records 12. Working temperature: 0 - 50 degrees Celsius 13. Workingstorage humidity: 20%RH - 80%RH 14. Storage temperature: -20 - 60 degrees Celsius 15. Power supply: 2 x 1.5V AAA batteries (not included) 16. Battery life: more than 4 hours of continuous use 17. Altitude: less than 2000m 18. Size: about 17.6 x 5.4 x 2.5cm 19. Weight: about 121g Features: 1. Singlethree-group data display switch 2. Screen flip, multi-directional observation data 3. Dual measurement keys, better control direction and contact with the object to be measured 4. With flashlight lighting, safe measurement in dark conditions 5. Symmetrical shape, more stable contact with the object to be measured, more uniform force 6. 200 records of storage, can store three items of data at the same time 7. Two-color mold one-piece molding, internal and external rubber coating, dustproof and drop-proof Packing list: - Vibration meter x 1 - Manual x 1 - Long probe x 1 - Short probe x 1 - Carrying bag x 1 - Lanyard x 1