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受价格和功耗等诸多因素的制约,国内外众多户用热量表产品普遍采用小口径机械式热水表作为热量表的流量传感器。建设部热量表行业标准CJ128-2000中对流量计部分的要求也基本上采用了与现行热水表产品性能相同的要求。使用和研究实践表明:直接采用小口径机械式热水表作为热量表
By the price and power consumption and many other factors, many domestic and foreign household calorimeter products commonly used small-caliber mechanical hot water meter as a heat meter flow sensor. Ministry of Construction Industry heat meter standard CJ128-2000 on the flowmeter part of the requirements are basically used with the current performance of the hot water meter products the same requirements. Use and research practice shows that: direct use of small-caliber mechanical hot water meter as a heat meter