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王东伟副研究员(中国计量科学研究院)答:李伟你好!感谢你对“互动平台”的支持,现试着就你的几个问题进行回答。1.流量计按照国家检定规程的要求,检定周期是两年。流量计只要是用于贸易结算的,都需要周期检定,不用于贸易结算的,只要用户有要求的,也应周期检定。2.涡街流量计分
Wang Dongwei Associate Researcher (China Institute of Metrology) A: Hello, Li Wei! Thank you for your support of “interactive platform” and we are trying to answer some of your questions. 1. Flowmeter in accordance with the requirements of national accreditation procedures, test cycle is two years. As long as the flow meter is used for trade settlement, all need periodic verification, not for trade settlement, as long as the user has requested, but also periodic verification. 2. Vortex flowmeter points