What is a Air micrometer?

An air micrometer is a device that measures an object using the pressure difference of air. The object is measured by injecting air into the measurement part and examining the difference in air pressure, the flow rate of air, and the change in flow velocity. Using an air micrometer, it is possible to measure the thickness of an object, the inner diameter of a hole, the outer diameter of a rod, and so on. One of the advantages is that it does not damage the object because it can be measured without contact. In addition, it has high performance and is basically easy to operate, so it can be measured sufficiently even if the skill level of the equipment is low.

Application of Air micrometer

Air micrometer is used for various measurements because of its high convenience. Thickness measurement It is possible to measure the thickness of an object by installing it so that it sandwiches the object. It is used in the manufacturing process of plate-shaped products and thin films. Inner diameter measurement It is possible to measure the inner diameter of a hole, which was difficult to measure in the past. Even if the shape of the hole is uneven, you can check the dimensions and shape. Measurement of thin lines It can also measure metal wires, raw silk, chemical fibers, etc. When measuring the thickness, the change in cross-sectional property is measured by passing the object on the nozzle.

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