Rate deviation, amplitude, beat error of mechanical watches and diagram recording of the beat noise.
It can selected out the common beat number automaticly, also can selected out the less common beat number by manual.
Rate deviation measurement
the range of deviation is ± 999 sec / day, precision 1.0 sec/day.
Numerical display in degrees, resolution is 1°,measuring range: 100°to 360° (the lift angle can affect the amplitude, range: 30°to 70°.Under normal circumstances, the amplitude value do not exceed 360°.)
Measuring period times for the average numerical results
2s, 4s, 8s, 10s, 20s, 30s, 30s, 60s.
Measuring of the Beat error(Frequency error)
Numerical display in milliseconds. Resolution is 0.1 milliseconds; the measuring range is 0-9.9 ms.
the measuring range is 30 ° to 70 °, the factory set it to 52 °.
single-phase AC 100 Vï½240V ± 10% two-line.
1 to 6 positions.
Use of the environment
0 â to 50 â, relative humidity:0 to 80% RH
Light grey plastic
Features: - It is a precise mechanical watches test instrument, it is used for multi-testing by watch manufacturers and watch technician. - The frequency diagram of the watch can be displayed in the LCD screen. - According to different watches, the instrument will automatically adjust optimal signal level during testing. - The instrument will automatically calculate the rate, amplitude, beat error, and display them by data in real time. - For the conventional beat, the instrument can automatically response; for the special beat, can manually select. - The sampling period can selected by 2 seconds, 4 seconds, 6 seconds, 8 seconds, 10 seconds, 20 seconds, 30 seconds, 60 seconds, and the average of corresponding period will be regard as the precise value of the watch. - Six kinds of testing position can be adjusted, and the simulation sound can be play in the speaker or mute
Automatic: E following beat numbers are selected by automatic selection mode: 12000, 14400, 18000, 19800, 21600, 25200, 28800, 36000, 43200. (If the tested beat is not in automatically selection, the instrument will display the closest beat number, but the test result is not correct. At this time, use the manual mode to select the relative beat.)
Manual selection: It can selected out the beat number that Automatic select can not identify and rare beat number. The following beat are selected by Manual selection mode: 3600, 6000, 7200, 7380, 7440, 7800, 9000