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Brannock Device: measuring shoe size breathalyzer: breath alcohol content caliper: length calorimeter: heat of chemical reactions cathetometer: vertical distances ceilometer: height of a cloud base chronometer or clock: time clap-o-meter: volume of applause compass: direction of North Coulombmeter: electrostatic charge of a material colorimeter ...
In addition these devices can remain on the specimen until failure and measure very high extensions (up to 1000 mm) without losing any accuracy. These devices typically have resolutions of 0.3 μm or better (the highest quality devices can read values as low as 0.02 μm) and have sufficient measurement accuracy to meet class 1 and 0.5 of ISO 9513.
Length measurement, distance measurement, or range measurement (ranging) all refer to the many ways in which length, distance, or range can be measured. The most commonly used approaches are the rulers, followed by transit-time methods and the interferometer methods based upon the speed of light .
Examples of remote locations mapped using Tellurometer surveys are Adams Bluff, Churchill Mountains, Cook Mountains, Jacobsen Glacier, Mount Albright, Mount Predoehl, Mount Summerson, Sherwin Peak and Vogt Peak. [4] The instrument penetrates haze and mist in daylight or darkness and has a normal range of 30–50 km but can extend up to 70 km. [5]
A variety of rulers A carpenter's rule Retractable flexible rule or tape measure A closeup of a steel ruler A ruler in combination with a letter scale. A ruler, sometimes called a rule, scale or a line gauge or metre/meter stick, is an instrument used to make length measurements, whereby a length is read from a series of markings called "rules" along an edge of the device. [1]
Cylindrical coordinate measuring machine or CCMM, is a special variation of a standard coordinate measuring machine (CMM) which incorporates a moving table to rotate the part relative to the probe. The probe moves perpendicular to the part axis and radial data is collected at regular angular intervals.
As the last digit is an "estimated tenth", both 5.780 mm and 5.778 mm are also reasonably acceptable readings but the former cannot be written as 5.78 mm or, by the rules for significant figures, it is then taken to express ten times less precision than the instrument actually has! But note that the nature of the object being measured often ...
Universal measuring machines (UMM) are measurement devices used for objects in which geometric relationships are the most critical element, with dimensions specified from geometric locations (see GD&T) rather than absolute coordinates. [1] The very first uses for these machines was the inspection of gauges and parts produced by jig grinding. [1]