What do you think of the tape measure?

The difference between tape measure and tape measure:

tape

1, generally in the metric system, one side is 150 cm and the other side is 60 inches. Inch is a commonly used unit of measurement abroad, and the size unit of TV and monitor is inch. Jeans are also measured in inches. In China, tape measures are often used in cities. One side is 150 cm and the other side is 45 inches. It is often said that 2 feet 1, 2 feet 2 waist, is the unit of city inch.

2. The reverse side of the tape measure is the city scale: city scale, city inches; The front of the tape measure is divided into two parts, one is metric scale (meters, centimeters) and the other is English scale (feet, inches).

tape measure

1, the tape measure will not fail if it is deformed too much. The clockwork in the tape measure is very long, and the interval between its complete relaxation and complete contraction is very large, including the whole stroke of the tape measure, and there are margins at both ends, so the tape measure will not fail.

2. The numbers on the tape measure are divided into two rows, one row is CM /CM, the other row is inch, 1CM is about =0.3937 inch, and 1 inch is about =2.54CM, so the shorter number unit between the two numbers is cm, and the longer number font in cm is smaller than inch,/kloc-.

3, tape method, loosen the tape head, so that people can measure the size, tape measure the size, there are two ways. One is hanging on the object, and the other is propping on the object. The difference between these two methods lies in the thickness of the iron sheet at the head of the tape measure. The function of loosening the tape head is to compensate the iron sheet at the tape head when the tape head abuts against the object.

The tape measure is made of metal material, and the leather tape measure is made of nonmetal material. They are widely used.