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The operational success of a "Test Shop" program set up at March AFB, California, on 15 September 1957, led to the establishment of the base-level Precision Measurement Equipment Laboratories providing the Air Force with a complete calibration system that could handle the increasingly stringent measurement needs of the new missile and aircraft ...
A Precision Measurement Equipment Laboratory (PMEL) is a United States Air Force (USAF) facility in which the calibration and repair of test equipment takes place. This practice is also known as metrology: the science of measurement. Metrology is defined as the science of weights & measures, while a PMEL is the place where technicians perform ...
Tesa SA is a Swiss company in precision measurement products. It was set up in 1941 and is currently headquartered in Renens, Switzerland. It is a division of Hexagon AB, a Swedish multinational corporation. [1]
In a classification task, the precision for a class is the number of true positives (i.e. the number of items correctly labelled as belonging to the positive class) divided by the total number of elements labelled as belonging to the positive class (i.e. the sum of true positives and false positives, which are items incorrectly labelled as belonging to the class).
The Pratt & Whitney Company was founded in 1860 by Francis A. Pratt and Amos Whitney, with headquarters in Hartford, Connecticut. The company manufactured machine tools , tools for the makers of sewing machines , and gun-making machinery for use by the Union Army during the American Civil War .
Berkeley Nucleonics Corporation (BNC) is a manufacturer of precision electronic instrumentation for test, measurement, and nuclear research. Founded in 1963, its corporate headquarters are in San Rafael, California, with additional manufacturing facilities and sales offices throughout the United States.
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The formal definition of calibration by the International Bureau of Weights and Measures (BIPM) is the following: "Operation that, under specified conditions, in a first step, establishes a relation between the quantity values with measurement uncertainties provided by measurement standards and corresponding indications with associated measurement uncertainties (of the calibrated instrument or ...