Vibrograf B600 watch tester (mechanical)Micro-processor controlled timing machine with LCD screen for mechanical wristwatches and pendulumclocks.The unit stands out on account of the following features:* automatic beat selection from the 17 commonest standard beats including manual adjustment of all beattypes between 3600 and 36000 b/h.* display of accuracy, beat error and amplitude numerically or as a graphic* oscillograph display of the escapement noise* selectable resolution (loupe) and measuring timeUnit with the best value for money. Also suitable for recognition of watches with a frequency of 3.5 / 4.0 Hz(co-axial escapement).Volts / Hz : 115 / 50Dimensions: L 265 x B 260 x H 140Weight : 6 kgScope of delivery:* manual stand microphone