How do digital sports watches measure speed


Release time:

2022-11-25

Generally, there is a distance indicating pole on the expressway. When the stopwatch is started when passing the starting point, the second hand starts timing from 12 o'clock. When it moves 1 km, it stops timing.

Take the car driving on the highway as an example. Generally, there is a distance indicating pole on the expressway. When the stopwatch is started when passing the starting point, the second hand starts timing from 12 o'clock. When it moves 1 km, it stops timing. The number referred to is the average speed for the previous kilometer. For example, if there is 60 at 12 o'clock, then 1 km is traveled in one minute, so the speed is 60 km/h.

Digital sport watch

How is the position corresponding to the number on the bezel calculated? In fact, it is not difficult, as long as you know where the number 500 is engraved, and then do a simple division: calculate how much time it takes to drive 1 km at a speed of 500 km/h, the unit is seconds.
Now the function of the watch has also added GPS speed measurement, and there are two kinds of 3D step sensor speed measurement. 3D pedometer watch with speed display function, or with wireless heart rate, these functions are undoubtedly perfect for friends who love fitness and sports.