Tips on how to use stopwatch? - Story news

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As can be seen from the figure, two times, the pointer in the small disk on the stopwatch has turned, indicating the measurement time

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Tips on how to use stopwatch?

Our Admin
2019-02-20
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Tips on how to use stopwatch

How to Use the stopwatch? How should the stopwatch read?

Tools/Raw Materials



One stopwatch

How to Use stopwatch



Know stopwatch

There are two needles in the general stopwatch (stop table), the long needle is the second hand, and each turn is 30 s; the short needle is the minute needle, each

A turn is 15 min.

Make a good clockwork before use, and the button at the top of it is used to turn on and stop the stopwatch.

First press, when the stopwatch starts to remember


  • The second press, the pointer stops moving, indicating the time between the two presses.
  • The third time the two pointers are pressed back to the zero scale.
  • The reading of the stopwatch.


As can be seen from the figure, two times, the pointer in the small disk on the stopwatch has turned, indicating the measurement time

It has been more than half a minute. When reading the number, read the time in the small disk, and then add the big disk.

The time the long pointer refers to, the sum of the two is the reading of the stopwatch.

If the pointer in the small disk does not rotate, indicating that the measurement time is less than half a minute, the long pointer is directly read

Time is the reading of the stopwatch.

Know stopwatch

Do you think the tape stopwatch is just a must for the Track and Field Referee?

Shunting is a very important part of railway transportation production. In the process of railway transportation, the goods are transported from loading and hanging to unloading. A car usually needs to undergo about 5 shunting operations. In order to achieve accurate operation and smooth connection, the masters of Wuwei station organized a technical exercise. They used a ruler to measure the visual distance of the masters, and used a stopwatch to calculate the control of the operation speed of the employees. Line three hundred and sixty, line out of the top. Through intensive and orderly drills, some operators have emerged.

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