HJ 15-2019 (English Version) PDF

Scope: Terms and definitions. Technical requirements. Performance index requirements. Random data on performance indexes es7 HJ Human Health, standardizes the technical performance of ultrasonic open channel sewage flow meters, and formulated this standard 15-2019. Preface is to implement the "Environmental Protection Law of the People's Republic of China" and the "People's Republic of China "Water Pollution Prevention and Control Law of the Republic of China", protect the ecological environment and ensure the protection of the ecological environment. This standard specifies the technical requirements, performance indicators and detection methods of ultrasonic open channel sewage flow meters. This standard was first released in 1996. The original standard drafting units were three units including the Chongqing Hydrological Instrument Factory of the Ministry of Water Resources. The first revision was in 2007, and this is the second revision. This standard specifies the technical requirements, performance indicators and detection methods of ultrasonic open channel sewage flow meters. This standard applies to the production design, application selection and performance testing of ultrasonic open channel sewage flow meters. This standard applies to ultrasonic open channel sewage flow meters (hereinafter referred to as "flow meters") that use standard water weirs that meet the requirements of JG711 for flow measurement.

HJ 15-2019 Referenced Document

GB 3836.1 Explosive atmospheres.Part 1:Equipment.General requirements
GB/T 13306 Plates
GB/T 17214.1 Industrial-process measurement and control equipment--Operating conditions. Part 1: Climatic conditions
JJG 711 Verification Regulation of Weirs and Flumes for Flow Measurement

2019 HJ 15-2019 Ultrasonic open channel sewage flowmeter technical requirements and testing methods