Devices and methods for smart sensor application

The invention relates to devices and methods for smart sensor application. An apparatus comprises a load resistor connectable in series with an electronic sensor to form a series resistance of the load resistor and the internal impedance of the electronic sensor; an excitation circuit configured to apply a predetermined voltage to a circuit element; and a measurement circuit configured to: initiate applying the predetermined voltage to the series resistance and determining the series resistance; initiate applying the predetermined voltage to the load resistance and determining the load resistance; and calculate the internal impedance of the sensor using the determined series resistance and the load resistance, and provide the calculated internal impedance to a user or process. 本发明涉及用于智能传感器应用的装置和方法。一种设备包括：负载电阻，所述负载电阻可与电子传感器串联连接以形成所述负载电阻与所述电子传感器内部阻抗的串联电阻；激励电路，所述激励电路被配置为向电路元件施加预定电压；以及测量电路，所述测量电路被配置为启动向所述串联电阻施加所述预定电压并且确定所述串联电阻；启动向所述负载电阻施加所述预定电压并且确定所述负载电阻；以及使用所确定的串联电阻和所述负载电阻来计算传感器的内部阻抗，并且向用户或处理程序提供所计算的内部阻抗。