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comparator
(redirected from comparators)

   Also found in: Dictionary/thesaurus, Wikipedia 0.03 sec.

comparator

Instrument for comparing something with a similar thing or with a standard measure, in particular to measure small displacements in mechanical devices. In astronomy, the blink comparator is used to examine photographic plates for signs of moving bodies. Machinists use comparators or visual gauges to centre or align work in machine tools.


comparator

A device that compares two quantities and determines their equality.



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This system is said to replace of Mine optical comparators, which are not effective for extrusions that are spooled and cannot be cut periodically for off-line measurement, according to the company.
It may be possible to extend the range of this direct scaling measurement up to 10 [ohm][Image] or even 100 [ohm][Image] by using larger turns-ratio current comparators.
They are common in shadow comparators and contour projectors, but not in video imaging.
 
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