How to identify a tape measure?

Tape measure is a common measuring tool in daily life. What we often see is a steel tape measure, which is often used in construction and decoration, and is also one of the necessary tools for families. Divided into fiber tape measure, tape measure, waist measure and so on. Lu Banchi, Feng Shui ruler and secretary also belong to steel tape measure.

How to use:

Press the button on the tape measure with one hand, and pull the tape measure head with the other hand to measure it.

Reading method:

1, direct reading method

When measuring, aim the zero scale of the steel tape at the starting point of measurement, apply appropriate tension, and directly read the scale corresponding to the measuring end point.

2. Indirect reading method

In some parts where steel tape cannot be directly used, steel ruler or square ruler can be used to align the zero scale with the measuring point, and the ruler body is consistent with the measuring direction; Measure the distance to a complete scale with a tape measure on a steel ruler or square ruler, and measure the remaining length by reading.

The number on the tape measure

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, the longer number unit is inch, and the number font in cm is smaller than inch,1.

References:

Baidu encyclopedia-tape measure