Technical parameters: * measurement range: *Acceleration: 0.1~199.9m/s *Speed: 0.1 ~ 1999.9 m/s *Displacement: 0.001~ 1.999mm (P﹣P) * accuracy: + / - 5% * different vibration frequency characteristics can be selected: -- acceleration: 10Hz~1KHz (LO); 1 KHZ ~ 15 KHZ (HI) -- speed: 10Hz~1KHz (LO) -- displacement: 10Hz~1KHz (LO) *LCD display: 3-bit semi-digital display * vibration acquisition: piezoelectric ceramic accelerometer (shear type) * using the environment: 0 ~ 40 ℃ * equipped with one long probe and one short probe, suitable for measurement in various places * equipped with a magnetic chuck, easy to hold in the hands of inconvenient test * maximum locking * ambient temperature display * Celsius/Fahrenheit conversion * low power indicating function * automatic shutdown function *LCD backlight function * warranty period: 12 months * packaging: color box +PP tool box * power supply: 1 9V battery * net weight: 200g * product size: 70*145*28MM