The accident protection and control system has the structural characteristic that a temperature and humidity meter is arranged at the outlet of a boiler air preheater.
其结构特点 是，所述锅炉空预器出口处设有温湿度测量器。
It is able to measure the precise humidity values in time by using this instrument. The paper will enlighten all the users of online thin-film aluminium oxide humidity meter.
该湿度仪可及时准确地测量湿度值，对使用在线氧化铝膜湿度仪的用户有所启发。
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。
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