The vernier caliper is a instrument of measurement endowed of one scale and one cursor that slides on that. It was designed to external linear measures by contact. It also can measure internal measures, depths, saliences among others. It's possible that this instrument is the most common metrology one used in the metal mechanic industry.
The mais scale of this simulator is graduated in inch - english system or imperial of british measure - that is divided in fractions. The vernier divides the 1/16in (one-sixteenths of inch) by eight, marking the 1/128in (one hundred and twenty eight avos of inch).
To comprehend the science of measurement in fractiona inch, read and interact with the pages:
Vernier scale - simulator of reading and interpretation: in fractional inch resolution 1/128" and
Conversion of millimeter in fractional or thousandth inch - interactive conversor
roll the page to interact with the simulator of caliper ,
drag and drop teh cursor
we suggest before you go ahead, to be familiarized with the concepts in the pages: