Timegrapher — Watch Accuracy

Par Fotios Avgidis sur AppTrack Ninja.

Rate, Amplitude & Beat Error

Timegrapher measures your mechanical watch's rate, amplitude and beat error with your iPhone's microphone, in 30 seconds. It reads through room noise and works out amplitude from your calibre's lift angle. Your first watch is free, and Pro is a single purchase with no subscription. WHAT IT MEASURES • Rate: seconds gained or lost per day, the figure a chronometer certificate is based on • Amplitude: how far the balance swings, the first thing a watchmaker checks • Beat error: the difference between tick and tock, which shows when the escapement needs adjusting • Beat rate: detected automatical…

Catégories: Utilities, Lifestyle

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