粉尘测量仪检定准确性和效率的主要影响因素初探

A Preliminary Study of the Main Factors Influencing the Accuracy and Efficiency of Dust Measuring Instrument Calibration

粉尘测量仪作为监测环境空气受颗粒物污染程度的重要工具,被广泛用于疾控、环保和工矿企业中。为保证其量值的准确可靠,需定期进行计量检定或校准。为了提高其检定或校准的准确性和效率,本文探讨了几个主要影响因素,如检定中仪器放置方式、被检仪器系数设置方式、尘棒质量、发尘控制方式、粉尘浓度稳定时长等。

As an important tool to monitor the degree of particulate matter pollution in ambient air,dust measuring instrument is widely used in disease control,environmental protection and industrial and mining enterprises.In order to ensure the accuracy and reliability of its quantity value,it is necessary to carry out regular metrological verification or calibration.In order to improve the accuracy and efficiency of verification or calibration,this paper discusses several main influencing factors,such as instrument placement,instrument coefficient setting,dust rod quality,dust control mode,dust concentration stability time,etc.