容积式流量计的误差特性及影响因素

Error Characteristics and Effect Factors on the Volumetype Flowmeter

叙述了容积式流量计的工作原理、种类及误差特性；分析探讨了差压、流体的物性等对误差特性的影响，并给出了有关的计算公式。最后指出在精确测量时必须对其示值进行温度、压力修正，以获得准确值。

The operational principle, the kinds and the error characteristics for the volumetypeflowmeter are described. An effect of a differential pressure and fluid on error characteristics is analyzedand discussed, and the computational formula is given. At last, in order to attain the precision values, itmust be necessary for indicated values of its temperature and pressure to be corrected.