The accuracy of a digital tester is defined as the difference between the reading and the true value for a quantity measured in reference conditions. Accuracy is specified in the format: (±xx% rdg ±xx dgt). The first portion identifies a percentage error relative to the reading, which means it is proportional to the input. The second portion is an error, in digits, that is constant regardless of the input. "Rdg" is for reading and "dgt" is for digits. Dgt indicates the counts on the last significant digit of the digital display and is typically used to represent an error factor of a digital tester.
La precisión de un probador digital se define como la diferencia entre la lectura y el valor real de una cantidad medida en condiciones de referencia. La precisión se especifica en el formato: (±xx% rdg ±xx dgt). La primera parte identifica un porcentaje de error relativo a la lectura, lo que significa que es proporcional a la entrada. La segunda parte es un error, en dígitos, que es constante independientemente de la entrada. "Rdg" es para lectura y "dgt" es para dígitos. Dgt indica los conteos en el último dígito significativo de la pantalla digital y generalmente se usa para representar un factor de error de un probador digital.

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