What is Caliper Measuring Instrument?
A caliper is a sort of measuring instrument that obeys the laws of measurement & dimensions in order to find the accurate size of any object. Apart from measuring the size of an object, the precise thickness, outside diameter, inside diameter, length, width & depth of the object can be calculated via a caliper. Hence, to perform any measurement, the complete setup lies in this single tool.
How it really works & how it’s used?
The caliper can measure the dimensions of any object with a great extent of accuracy ranging in between the 0.1 to 0.02 millimeters. The maximum size which can be measured via the caliper apparatus is 15 mm or 6 inches. Moreover, the caliper can be of two different types depending on their structure & functioning. The one is the digital caliper while the other one is the manual caliper. The digital caliper, however, has greater accuracy & precision as it reduces the chances of human error.
According to the statistics, the digital Caliper has a measured accuracy of about 0.02 mm which equals 0.0008 inches. The digital calipers are used in laboratories & other workspaces to measure the object with a tolerance of 0.05 mm which is impossible with any other apparatus apart from a micrometer. Most of the calipers are available in the market having a measuring ability of 0.001 mm which equals an advanced micrometer. Therefore, greater reliability & precision is offered via this caliper.
Apart from providing precision, these calipers are completely cost-effective in regard to their utmost functioning. This means that this equipment serves you complete operations for measuring the dimension of any object, all in a single piece & hence, this is completely economical. Moreover, digital calipers show the display over the power of a battery. But most of the digital calipers are designed with a power-efficient functioning that helps to save battery consumption & as well as cost.
Different parts of the caliper can serve you with diverse purposes. The first part is the internal jaws which are used to measure the interior diameter or size of any object i.e. a test tube. Next is the external jaws which serve you to measure the outside dimensions of any object i.e. a ball or any other solid object. External jaws are also being employed to calculate the size including length & width. The third part is the locking screw which can lock the object in a single place. In this manner, you can note don the readings without any error. Next is the upper & lower scales of the caliper (Upper scale is replaced with the screen in the digital caliper) which aid in taking the perfect readings up to 2 decimal places & eradicate the errors.
Hence, both the digital or manual calipers are there for your help to measure the internal or external diameter of any solid object. This serves an all-in-one device to calculate the length, width & depth. You must take necessary precautions in order to avoid errors of different kinds in order to have the correct reading.