Tachymeter: a handy scale with a lot of useful functions

Tachymeter: a handy scale with a lot of useful functions

Tachymeter: a handy scale with a lot of useful functions

Perhaps you have observed a scale that is located along the rim of a modern hand-watches. This scale is a Tachymeter. You can recognize it by title “Tachymeter” and also by the marks “60” being opposite to the mark “12 hours” and “120” opposite to the mark “6 hours”. Often it is included in chronographs and always stays motionless, but can easily allow to measure the speed. Are you curious how does it function? Well, it’s quite simple.

How does it function?

Tachymeter is used to count the speed regarding the time, spent to cross a given unit of distance. The formula to count it is simple and known from the school years: to identify the speed you have to know distance and time.

Thus, you use a certain unit of the distance (it can be kilometers, ground miles or sea miles), and the chronograph (a button upper to the watch crown) or a second arrow will be available to define the time.

For example, the speed of your car or bicycle ride is to be defined. For getting that you need to:

1.      Launch the chronograph or start to count from the moment the second arrow reaches the zero position.

2.      Having run a distance of 1 km, stop chronograph or notify the position of the second arrow regarding the tachymeter– this scale will show you the speed of your ride in km\h.

You also have an extra advantage to use “Tachymeter” in order to define the workforce productivity. Following the above mentioned hints, launch the chronograph to count the time spent by a certain worker to produce a certain product. The scale will show you the productivity of the worker in number of products for an hour.

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