Atomic absorption analyzer

阅读:470发布:2022-07-31

专利汇可以提供Atomic absorption analyzer专利检索,专利查询,专利分析的服务。并且PURPOSE:To make it possible to enhance the reproducibility of measurement, by controlling a graphite tube to constant temp. to detect a current value and generating a signal having preset functional relation to control the current of the graphite tube. CONSTITUTION:The output Vs of a photodiode transmitting upon the reception of thermal radiation from the graphite tube GT connected to a voltage drop transformer T is inputted to a control amplifier CA and a temp. signal at each stage is applied to the amplifier CA as a reference level signal Vr from the temp. programmer TP in which the fuctional relation with the temp. of the tube GT was stored and the amplifier CA applies the signal of the difference between the signals Vs and Vr to a triac TA through a pulse generator PG and controls supply power from the triac TA so as to adjust the tube GT to indicated temp. By this method, the temp. change rate of a temp. rising process becomes constant.,下面是Atomic absorption analyzer专利的具体信息内容。

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