Specification: Item Type: watch calibrator Material: plastic, alloy Voltage: 100-240 V Measurement: flow difference, amplitude, flapping error Flow difference measurement: the difference range is 999 s Wedday, accuracy 1.0 s Wedday Amplitude measurement (digital display in degrees): the resolution is 1, the measurement range: 100 to 360 Measurement of the beat error (frequency error), digital display in milliseconds, the measurement range is 0 to 9.9 ms Test items: daily difference, swing amplitude, polarization; Measuring possibilities: rate deviation, amplitude, beat error; Daily difference measurement: error measurement range is 999 seconds/day, accuracy is 1.0 second/day; Rate deviation measurement: the range of deviation is 999 sec Swing measurement: digital display, resolution is 1, measurement range is 100-360; Amplitude measurement: Numerical display in degrees, resolution is1, measuring range:100 to 360; Polarization (frequency error) measurement: the value is displayed in milliseconds. The resolution is 0.1 milliseconds, and the measurement range is 0-9.9 milliseconds; Measuring for the beat error (frequency error): Numerical display in milliseconds; Resolution is 0.1 milliseconds; the measuring range is 0-9.9 ms; Measurement orientation: 1 to 6 orientations; Measuring position: 1 to 6 positions; Line Length: 320 points; Power supply voltage: single-phase AC 100V240V10%. Package list: 1 x Testing Equipment Host 1 x Sensor 1 x Power Adapter(US/UK/EU/AU) 1 x Instruction