随着企业的规范化生产和产品质量体系的落实,玻璃管气体浮子流量计(以下简称“浮子流量计”)的送检量在不断增加,日检定量大,遵照现行检定规程JJG257-2007《浮子流量计检定规程》,检测方法有3种,即钟罩法、标准表法和音速喷嘴法。其中只有标准表法是最佳方法。在标准表法中,按照JJG257-2007的检测方法有 With the standardized production of enterprises and the implementation of product quality system, glass tube gas float meter (hereinafter referred to as “Float Flow Meter ”) the inspection volume is increasing, the daily test quantity, in accordance with the current test procedures JJG257-2007 “Float flowmeter verification procedures”, there are three detection methods, namely the bell method, standard table method and sonic nozzle method. Only the standard table method is the best method. In the standard table method, according to JJG257-2007 detection methods are