What is ZERO ERROR/ POSITIVE ERROR/ Negative ERROR in Micrometer Screw Gauge | ERRORS in Micrometer

In this video, we will be discussing the concepts of ZERO ERROR, POSITIVE ERROR, and NEGATIVE ERROR in Micrometer Screw Gauge. Micrometer Screw Gauge is a precision measuring instrument used to measure small lengths or diameters with great accuracy. However, it is subject to various errors due to manufacturing defects, wear and tear, and improper handling.
The ZERO ERROR occurs when the screw gauge measures the zero mark on the thimble scale instead of the actual diameter, resulting in a negative or positive deviation from the actual value. POSITIVE ERROR occurs when the measured value is greater than the actual value, and NEGATIVE ERROR occurs when the measured value is less than the actual value.
We will explain how to identify and correct these errors and give practical examples to help you understand these concepts better. This video is suitable for students, professionals, or anyone interested in precision measurements. So, sit back, relax, and learn all about ZERO ERROR, POSITIVE ERROR, and NEGATIVE ERROR in Micrometer Screw Gauge.
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[@lijojohn7726]

I think the explanation of error is wrong

[@aym36917]

But why?

[@susmitamondal512]

I think so