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

Standard No.

CJ/T 252-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

Professional Standard - Urban Construction

Latest

CJ/T 252-2011

Replace By

BS 10621:2017

Replace

CJ/T 252-2007

Scope

This standard specifies the composition and functions of the urban drainage water quality and quantity online monitoring system, the overall requirements of the system, water sample extraction unit, water sample distribution unit, water quality and quantity detection unit, data collection, storage and transmission unit, system management unit, and system auxiliary unit , system operating environment and quality control and quality assurance requirements. This standard applies to the design, equipment selection, installation, and commissioning of urban drainage water quality and quantity online monitoring systems.

CJ/T 252-2011 Referenced Document

• CJ/T 3008.5 Standards for municipal wastewater discharge measurement.Triagular--profile weir
• GB 11893 Water quality-Determination of total phosphorus-Ammonium molybdate spectrophotometric method
• GB 11894 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method
• GB 11914 Water quality-Determination of the chemical oxygen demand-Dichromate method
• GB 50054 Code for design of low voltage electrical installations
• GB 50057 Code for design protection of structures against lightning
• GB 50223 Standard for classification of seismic protection of building constructions
• GB 50343 Technical code for protection of building electronic information system against lightning*， 2012-06-11 Update
• GB 6920 Water quality - Determination of pH value - glass electrode method
• GB/T 17214.1 Industrial-process measurement and control equipment--Operating conditions. Part 1: Climatic conditions
• HJ 501 Water quality.Determination of total organic carbon.Combustion oxidation nondispersive infrared absorption method
• HJ 535 Water quality.Determination of ammonia nitrogen.Nessler's reagent spectrophotometry
• HJ 536 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
• HJ/T 101 The technical requirement for water quality automatic analyzer of ammonia
• HJ/T 102 The technical requirement for water quality automatic analyzer of total nitrogen
• HJ/T 103 The technical requirement for water quality automatic analyzer of total phosphorous
• HJ/T 104 The technical requirement for water quality automatic analyzer of total organic carbon
• HJ/T 15 Technical requirement for environmental protection product. Supersonic flowmeters of wastewater
• HJ/T 191 Technical requirements for ultraviolet (UV) absorption water quality automatic online monitor
• HJ/T 212 Standard for data communication of pollution emission auto monitoring system
• HJ/T 353 Technical guidelines of wastewater on-line monitoring equipments and installaaon(on trial)
• HJ/T 354 Technical specifications for check and acceptance of wastewater on-line monitoring system (on trial)
• HJ/T 355 Technical specifications for the operation and assessment of wastewater on-line monitoring system (on trial)
• HJ/T 356-2007 Technical specifications for validity of wastewater on-line monitoring data (on trial)
• HJ/T 372 The technical requirement and test procedures for water quality automatic sampler
• HJ/T 377 Technical requirement for environmental protection product Water quality on-line automatic monitor of Chemical Oxygen Demand (COD)
• HJ/T 70 High-chlorine wastewater.Determination of chemical oxygen demand.Chlorine emendation method
• HJ/T 96 The technical requirement for water quality automatic analyzer of pH

CJ/T 252-2011 history

• 2011 CJ/T 252-2011 Technical requirements of the water quality and flowrate online monitoring system for urban drainage
• 2007 CJ/T 252-2007 Technical requirement of automatic monitor system for city drainage