Measuring instruments: Micrometer screw gauge vs vernier caliper
What is measurement?This is the bedrock of the trade and statistics used for centuries now. It is the ability of one to ascertain the height, size and quantity of something by comparison.
Measurement is defined as the determination of the quantity, size or magnitude of an object or substance by comparing it with something of known or standard measurement.
This is an indicator of the different units of measurement. All measuring devices must come with a type scales using units of metric systems.
Note: Length, mass and time are three standard units. Other units includes:
Candela (cd): For measurement of intensity.
Mole (mol): For measurement of substances with respect to atom.
Kelvin (k): For measurement of temperature.
Micrometer screw gauge.
This is a measurement instrument used for measuring small distances of objects that are too small for direct measurement of diameters greater than 2.5cm that can fit within the jaws of the micrometer screw gauge as seen below;
Uses: For measuring diameter of meter wire, thickness of glass plate, for small spherical objects etc.
This is a measuring instrument similar to micrometer screw gauge but are quite different. The vernier calipers are used for measurement of internal and external distances allowing larger scales than the micrometer screw gauge.
Uses: this instrument is used for measurement of cylinders and hollow tubes (e.g. test tubes).
This instrument are quite easy to use and remember to use them for measuring the right objects.
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