On Thermal Hysteresis of the Thermometer Screen and Its Lag Error in Temperature Measurement

百 叶 箱的热惯性及其 测温的滞后 误差

The designing principle and the sensor working manner of a wide range low temperature digital display thermometer which operates over 70-300K and the error is less than 0.5K widely used in industries are presented .

提出了 误差小于0.5K， 测温区为70～300K的工业用宽温区数字显示低温 温度计的设计原则和传感器的工作方式。

Analysis of the Theory of Measuring Temperature by Thermometer with Metal-tube and Its Measuring Error for Fluid

流体套管 温度计 测温原理及其测量 误差的分析

The Pt resistor is one of the ideal temperature transducers . The operational principle of the digital Pt resistor thermometer is introduced and the sources of error are analysed . The paper stated that the measuring linearity can be enhanced by the analog to digital converter itself .

铂电阻是较为理想的温度传感器这一，介绍数字式铂电阻 温度计工作原理及分析 误差来源，提出利用模/数转换器本身来提高测量线性度。

In the paper the temperature feature of the PN junction was analyzed and an electronic thermometer was designed . A quantitive analysis on the measuring error is made according to the practical testing data .

分析PN结的温度特性，设计制作了指针 式电子 温度计和数字式电子 温度计.根据实测数据对 温度测量 误差作了定量分析。