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n. Electronic Senssors. VIGNANA BHARATHI Institute of Technology AUTONOMOUS Under UGC Acxredited by ROANO A Grade Counselling Code VBIT.
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Static Characteristics. Accuracy Precision Resolution Sensitivity Error Range & Span Linearty Dead Zone Hysteresis Drift Reapatability.
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STATIC CHARACTERISTICS 1. ACCURACY- Vis the closeness of a measurement (or a set of observations) to the true value. v The abilitv of an inst to show the exact reading. V Higher the accuracy, lower the error V Shown in percentage of error which of the full scale reading percentage Error = E = measured value — true value = system output — system input.
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2. PRECISION The capability of an instrument to show the same reading when used each time An equipment which is precise is not necessaiily accurate. (a) Low accuracy LOW (b) Low xcurx•y Iligh precision (c) i ligh xcurxy Low precision (d) I ligh accuracy I ligh precision.
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• Accuracy and Precision Not Precise, Precise NotAccurate Precise Accurate Fig:a Fig:b Not Precise Accurate Fig:c Fig:d.