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标准光学高温计的精度对于复现和传递高温温标起着决定性的作用。为了使仪器能达到更高精度的要求,必须摸清仪器的性能。本文主要简述有关光学高温计灯泡(以后简称小灯)的稳定性、环境温度对光学高温计的影响和小灯通入恒定电流后到达热平衡的时间这三个问题。
The accuracy of a standard optical pyrometer plays a decisive role in reproducing and transmitting high temperature temperature scales. In order to make the instrument to achieve higher accuracy requirements, we must find out the performance of the instrument. This article briefly describes the three issues related to the stability of the optical pyrometer bulb (hereinafter referred to as the small lamp), the influence of the ambient temperature on the optical pyrometer, and the time that the small lamp reaches the thermal equilibrium after passing through the constant current.