Sensors 02
Sensors 02 : Classification of Measurement Errors: A good sensor obeys the following rules: (a) Is sensitive to the measured property only; (b) Is insensitive to any other property likely to be encountered in its application; (c) Does not influence the measured property. Ideal sensors are designed to be linear or linear to some simple mathematical function of the measurement, typically logarithmic. The output signal of such a sensor is linearly proportional to the value or simple function of the measured property. The sensitivity is then defined as the ratio between output signal and measured property. For example, if a sensor measures temperature and has a voltage output, the sensitivity is a constant with the unit[V/K]; this sensor is linear because the ratio is constant at all points of measurement
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