流量仪表的产品和技术趋势我们都是有目共睹的，如何看待目前流量计的发展前进和市场的发展，我们应该从几个方面去看待，我们先了解一些目前市场上的几种发展比较好的流量计。从电磁流量计产品本身来看，孔板流量计是一款成熟的产品。随着近年的技术发展，一方面是电磁流量计变送器的智能化，变换器增加了自诊断和自校准等功能。从而实现一些在线的自诊断功能，减少电磁流量计的维护工作量，由在线检验替代传统的离线检验方法。目前krohne和abb都在推广这种在线自诊断的概念。电磁流量计的在线检验方法从诞生到应用正在日趋成熟，但要在全国各行业推广还需要一段时间。其zui大的困难在于电磁流量计作为计量仪表，其在线的检验规范需要得到国家技术监督部门和各相关行业协会对的认可。 涡街流量计技术发展zui大的问题就是如何抵御在实际生产中运用的噪声和振动的问题。涡街流量计尚属发展中的流量计，无论其理论基础或实践经验尚较差。在未来几年间，随着涡街流量计的技术不断成熟，用户的接受程度和技术水平逐步提高，涡街流量计将会逐步得到成熟运用。 和孔板流量计和涡街流量计不同，质量流量计技术门槛较高。质量流量计应用拓展zui大的障碍就是价格问题。质量流浪计发展的几十年来，本土供应商一直也没有具体掌握的质量流量计生产技术。因此质量流量计价格高居不下，除了在石油石化行业应用比较广泛，在其他行业由于价格限制，应用较少。目前国外的主流的质量流量计供应商也看到这样的市场需求，在市场上开始推广低端的质量流量计产品。从质量流量计技术来看，质量流量计的口径也越来越大，能在各种大口径的管道上使用。
英文版本：
products and technology trend of flow instrument we have is be obvious to people, how to treat the development progress and market of the flowmeter, we should look at from several aspects, we first understand some several on the market development better flowmeter. from the electromagnetic flowmeter products itself, orifice plate flowmeter is a mature product. with the development of technology in recent years, one is inligent transmitter electromagnetic flowmeter, converter increases the function of self diagnosis and self calibration etc.. in order to achieve some of the online self diagnosis function, reduce the maintenance workload of the electromagnetic flowmeter, offline traditional examination method is replaced by online inspection. at present, krohne and abb in the promotion of the concept of online self diagnosis. online inspection method for electromagnetic flowmeter applications are from birth to maturity, but also need a period of time in the industry promotion. the biggest difficulty lies in the electromagnetic flowmeter as a measurement instrument, its online test specifications need to be national technical supervision departments and relevant industry associations for approval. how to resist the noise and vibration is applied in the practical production in the biggest problem of the development of vortex flowmeter technology problems. the vortex flowmeter is flowmeter development, regardless of its theoretical basis and practical experience is poor. in the next few years, along with the vortex flowmeter technology continues to mature, user acceptance and the improvement of technology, the vortex flowmeter will gradually be mature use. different and orifice plate flowmeter and vortex flowmeter, mass flowmeter with high technical threshold. application of mass flowmeter development the biggest obstacle is the price. quality street plan development for decades, local supplier has no specific control of production technology of high-end quality flowmeter. so the price of mass flowmeter is not high, in addition to more widely application in petroleum and petrochemical industry, in other industries as the price limit, less application. at present, the supplier quality flowmeter foreign mainstream also see this market demand, product quality flowmeter extended low-end market. http:// from the technical quality flowmeter, mass flowmeter diameter is also more and more big, can be used in all kinds of large caliber.