CJ/T 252-2007 Technical requirement of automatic monitor system for city drainage

CJ/T 252-2011 Technical requirements of the water quality and flowrate online monitoring system for urban drainage

CJ/T 3008.5 GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method GB/T 7478-1987 Water quality—Determination of ammonium—Distillation and titration method GB/T 7479-1987 Water quality—Determination of ammonium—Nessler's reagent colorimetric method GB/T 8566-2001 Information technology—Software life cycle processes GB/T 8566-2007 Information technology—Software life cycle processes GB/T 8566-2022 Systems and software engineering—Software life cycle processes GB/T 11893-1989 Water quality—Determination of total phosphorus— Ammonium molybdate spectrophotometric method GB/T 11894-1989 Water quality—Determination of total nitrogen—Alkaline potassium persulfate digestion-UV spectrophotometric method GB/T 11914-1989 Water quality—Determination of the chemical oxygen demand—Dichromate method GB 13000.1-1993 Information technology—Universal Multiple-Octet Coded Character Set(UCS)—Part 1:Architecture and Basic Multilingual Plane HJ 15-2019 Ultra-sound Cane Flowmeter Technical Requirements and Test Methods for Sewage in Open Channel HJ/T 15-2007 HJ/T 15-2007 Environmental Protection Product Technical Requirements Ultrasonic Open Channel Flowmeter HJ/T 96-2003 pH water quality automatic analyzer technical requirements HJ 101-2019 Technical requirements and testing methods for on-line automatic monitoring of ammonia nitrogen water quality HJ/T 101-2003 Technical requirements for ammonia nitrogen water quality automatic analyzer HJ/T 102-2003 HJ/T 102-2003 Technical Requirements for Automatic Analysis of Total Nitrogen Water Quality Analyzer HJ/T 103-2003 HJ/T 103-2003 Water Quality Automatic Analyzer Technical Requirements for Total Phosphorus HJ/T 191-2005 The technical requirements for UV (UV) water quality automatic online monitoring instrument HJ/T 15-1996 Supersonic flowmeter of wastewater