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美国物理化学研究公司报导的PCRC—55型变换器,是根据阻抗变化来感应相对湿度的装置。这个微小的传感器(1/4″×1/2″×1/16″)把导电的表面层和非导电基板形成一体,其湿度感应部分仅限于表面。由于吸附水分后一旦脱水,其结果可迅速地判断相对湿度或微量磁滞或微小温度系数的变化。
The PCRC-55 converter reported by the American Physical Chemistry Research Company is a device that senses the relative humidity according to the change of impedance. This tiny sensor (1/4 “x 1/2” x 1/16 ") integrates a conductive surface layer with a non-conductive substrate and its humidity sensing part is limited to the surface. As a result of dehydration upon adsorption of moisture, the result is Rapidly determine the relative humidity or trace hysteresis or small temperature coefficient of change.