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用热电偶测量温度时,必须补偿冷端(XC)热电势。其中的一种补偿方法是用以下方式对冷端温度进行自动补偿:把冷端放入恒温器装置。此装置工作范围内各点上的温度是一样的,然而并不恒定。同时引至恒温器的电阻式温度变换器将冷端温度变换为直流电压(在理想条
Thermocouple temperature measurement, you must compensate for cold junction (XC) thermoelectric power. One of these methods of compensation is to automatically compensate for the cold junction temperature by placing the cold junction into the thermostat unit. The temperature at each point within the working range of this unit is the same, but not constant. At the same time lead to the thermostat resistance temperature converter will change the cold junction temperature DC voltage (in the ideal bar