In order to measure the dimension accurately, the maintain workers should know how to use the kinds of measure very well.
Ruler is made of thin stainless plate, so we call it steel rule too, It is used to measure the planar length and width, also is used to draw lines.
2. Vernier caliper
Vernier caliper is one kind of precise measure, we can use it to measure the diameter, length, width, depth and height etc. Its precision can up to 0.10、0.05、0.02 and so on. There are some types of Vernier caliper, such as 125mm,200mm,300mm,500mm and 1000mm.
3. outer diameter micrometer ruler
Micormeter ruler also is called as screw measure or separate ruler, is one kind of precise measure. The precision can up to 0.01mm.
4. Inner diameter micrometer ruler
Inner diameter micrometer ruler is used to measure the inner diameter of holes or the inner size of grooves. It has 50~300mm, 50~500mm types.
5. Hundred percent gauge
Hundred percent gauge is one kind of direction measure. It is used easy, accurately and quickly. So it is usually used to maintain trucks.
6. Bore gauge
The bore gauge also is called inner-diameter percent gauge, it is used to measure the circle degree, column degree and the damage of engine’s cylinder.
7. Thickness gauge
The thickness gauge is used to measure the space between two parallel surface. It was made up of different thickness steel plates which marked 0.03mm,0.04mm,0.10mm etc.