提出了一种测量铂电阻温度传感器的散热系数的简便方法。测量了不同条件下铂电阻温度传感器的散热系数,并对电阻的自热效应影响进行了探讨。 关键词: 铂电阻;温度传感器;自热效应;散热系数 Abstract : A way of measuring the radiation coefficient of the platinum resistance temperature sensor is given. The radia2tion coefficient is measured ,and the contribution of the self2heating effect is looked into. Key words : platinum resistance ;temperature sensor ;self2heating effect ;radiation coefficient