or 4 payments of 
Description
Specifications:
| Measuring possibilities | Rate deviation, amplitude, beat error of mechanical watches and diagram recording of the beat noise. |
| Frequency numbers | 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. |
| Amplitude measurement | 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. |
| Lift Angle | the measuring range is 30 ° to 70 °, the factory set it to 52 °. |
| Supply voltage | single-phase AC 100 Vï½240V ± 10% two-line. |
| Measure positions | 1 to 6 positions. |
| Use of the environment | 0 â to 50 â, relative humidity:0 to 80% RH |
| Shell | 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 muteAutomatic: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 closestbeat number, but the test result is not correct. At this time, use the manual mode to selectthe 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, 9100, 10800, 11880, 12000, 12342, 12480, 12600, 13320, 13440, 13500, 14000, 14040, 14160, 14200, 14280, 14400, 14520, 14580<e s
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