YaeTek Watch Timing Machine Tester Tools Multifunction Timegrapher

Model of this Watch timing machine:NO.1000；110V-220V US plug;. Easy to use for mechanical watch collection. This watch tester automatically calculates rate, amplitude, and beat error using readings from the microphone stand.. LCD screen displayed.According to different watches, the instrument will automatically adjust optimal signal level during testing. - The LCD screen shows the readings in real time with 2 dotted lines moving across the screen to provide a visual representation of the “tic tock” from your watch. 6 kinds of testing position can be adjusted. Amplitude level is between 275 and 315; Rate Deviation Range: ±999 s/d with precision ± 1 s/d'. The sampling period can selected by 2 , 4 , 6 , 8 , 10, 20, 30 , 60 seconds, and the average of corresponding period will be regard as the precise value of the watch.