The calibration of dew point hygrometer and micro-moisture meter in ultra-low humidity range was done by using precision dew point hygrometer and low range humidity generator.
利用精密露点仪和低露点湿度发生器对超低湿露点仪和微量水分仪进行了校准，并对超低湿情况下露点标准值的准确度进行了分析评估。
A practical dew point hygrometer for teaching use was introduced, which has low price and good teaching effect. Meanwhile, it enormously enrich the content of thermodynamics in the physics experiment.
介绍了一种实用型教学用露点仪，其价格便宜，直观性强，在教学中取得了良好的效果，同时也极大的丰富了大学物理实验中的热力学内容。
A practical dew point hygrometer for teaching use was introduced, which has low price and good teaching effect. Meanwhile, it enormously enrich the content of thermodynamics in the physics experiment.
介绍了一种实用型教学用露点仪，其价格便宜，直观性强，在教学中取得了良好的效果，同时也极大的丰富了大学物理实验中的热力学内容。
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