【摘要】 研制的电容式湿度变送器线性好，动态特性有所提高，在中、低湿度范围内温度系数小，硬件温度补偿效果好。该变送器在一定程度上解决了湿度变送器长期稳定性差的问题，可以用于冲天炉送风系统湿度检测控制中，为获得优质铁液提供必要保证。更多还原

【Abstract】 A high molecule capacitance humidity transducer has been developed.It has good linearity,excellent dynamic characteristic,small temperature coefficient in the range of low humidity and middle humidity,and satisfied temperature compensation effect by the means of circuit design.To some extend,its long term stability is increased.It can be used in measurement and control of humidity in cupola blast system to obtain high quality melting iron.更多还原