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Erschienen in:
1973 | OriginalPaper | Buchkapitel
Digital Instruments
verfasst von : B. A. Gregory
Erschienen in: An Introduction to Electrical Instrumentation
Verlag: Macmillan Education UK
Enthalten in: Professional Book Archive
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Digital instruments display the measured quantity in discrete numerals thereby eliminating the parallax error, and reducing the human errors associated with analog pointer instruments. In general digital instruments have superior accuracy to analog pointer instruments, and many incorporate automatic polarity and range indication which reduces operator training, measurement error, and possible instrument damage through overload. In addition to these features many digital instruments have an output facility enabling permanent records of measurements to be made automatically.