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佛山气体分析仪器厂出产的FQW—CO_2型微量分析器按说明书介绍的方法,要求通入零气调整零点,按下“灵敏检查”按钮调整“增益微调”电位器,使输出表指示值与产品合格证上注明的输出值相符。这样调整自然很简便,但当仪表检修后或经过长期运行之后,此值可能发生变化,因此自己配制标准气校正仪器是很必要的,现将我厂使用的FQW—CO_2型微量分析器0—50PPm的调校过程介绍如下,供参考。
FQW-CO_2 type micro analyzer manufactured by Foshan Gas Analyzers Factory should be adjusted according to the instructions in the manual to adjust the zero point of zero gas. Press “Sensitive Check” button to adjust “Gain Trimmer” potentiometer so that the output value of indicator and product Certificate of compliance on the output value. This adjustment is very simple natural, but after the instrument overhaul or after long-term operation, this value may change, so it is necessary to prepare their own calibration gas calibration instrument, now I use the plant FQW-CO 2 type of micro-analyzer 0- The adjustment process of 50PPm is as follows, for reference.