Second, power level: if the sensor is resistive the designer must ensure that the self-heating effects of excitation current flowing through the transducer do not adversely effect the measured results.

• 其次,功率水平:如果传感器有阻力,这个设计师必须保证励磁电流的自动加热作用流经这个传感器负面影响不影响被测量的结果。