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Because it is very accurate.
The ocular micrometer is inside the ocular lens, it will not change size when the objectives are changed. Therefore, each objective lens must be calibrated separately. Ocular micrometers have no units on them - they are like a ruler with marks but no numbers. In order to use one to measure something under a microscope, you must assign numbers to the marks. This is done by looking through your OCULAR micrometer at a STAGE micrometer mounted on a slide. The stage micrometer is just a ruler with fixed known distances, so you can use it to tell how far apart marks are on the ocular micrometer. This has to be done because the marks on the ocular micrometer are different distances apart depending on the magnification used on the microscope. It must be calibrated for each objective.
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If you have to measure the pencil to a couple decimal places i would suggest a micrometer and a dial caliper.
A micrometer , sometimes known as a micrometer screw gauge, is a device incorporating a calibrated screw used widely for precise measurement of small distances in mechanical engineering and machining as well as most mechanical trades, along with other metrological instruments such as dial, vernier, and digital calipers. Micrometers are similar in use to vernier calipers but are more precise although the modern digital caliper has blurred the distinction between them.A micrometer is also used to measure the diameter of very small objects that a vernier calliper can't measure for example a screw or a piece of wire.This instrument is mainly used by mechanics.
This is a stupid question.
A micrometer would not be any use.A micrometer would not be any use.A micrometer would not be any use.A micrometer would not be any use.
A micrometer is used to measure very small distances.
How can I calibrate a micrometer without the use of gage blocks. Any adjustments on the device?
thickness
Because it is very accurate.
Micrometer to measure the accuracy of 0.01 mm. Caliper to measure with accuracy of 0.1 mm is used.
An engineer or scientist.
micrometer
Micrometer or vernier caliper
You use calipers or a micrometer.
How about a micrometer