Product Overview MTG-100 calibration meter is a watch manufacturers and watch maintenance technicians from many aspects of the test of mechanical watch precision testing instruments.The LCD screen can display the watch frequency chart completely.During the test, the instrument can automatically adjust the best signal intensity according to different watches.It can automatically calculate the value of diurnal error, swing and polarization and display the data in real time. Product Parameters Model: MTG-1000 Supply voltage: Single-phase AC 100 V～240V ± 10% two-line Output voltage: 12V/1A Power: 12W Measuring possibilities: Rate deviation, amplitude, beat error 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°to360° Measuring for the beat error (frequency error): Numerical display in milliseconds. Resolution is 0.1 milliseconds; the measuring range is 0-9.9 ms. Measuring position: 1 to 6 positions Line Length: 196 points Language: Chinese, English, Japanese Main engine shell material: ABS plastic Display screen size: 3.86"*1.69"(98mm*43mm) Size of host machine: 6.77"*3.74"*4.88"(172mm*95mm*124mm) Gross weight: 3.74lb(1.7kg) Item Included A Set of MTG-1000 Multifunction Mechanical Timegrapher