JJG 1030-2007
Ultrasonic Flowmeters (English Version)
- Standard No.
- JJG 1030-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- 2011-03
- Replace By
- JJG 1030-2010
- Latest
- JJG 1030-2010
- Replace
- JJG 198-1994
- Scope
- This procedure is applicable to the type evaluation, initial verification, subsequent verification and in-use inspection of ultrasonic flowmeters for closed pipelines (hereinafter referred to as flowmeters) based on the time difference method. This procedure does not apply to the verification of ultrasonic flow measuring instruments in open channels or undercover channels.
JJG 1030-2007 Referenced Document
- GB 17820-1999 Natural gas
- GB 3836.1 Explosive atmospheres.Part 1:Equipment.General requirements*， 2010-08-09 Update
- GB 3836.10 Electrical apparatus for explosive atmospheres--Hermetically sealed electrical apparatus "h"
- GB 3836.11 Explosive atmospheres.Part11:Equipment protection by flameproof enclosures"d"method of test for ascertainment of maximum experimental safe gap*， 2008-10-29 Update
- GB 3836.12 Explosive atmospheres.Part 12:Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting current*， 2008-10-29 Update
- GB 3836.13 Explosive atmospheres.Part 13:Equipment repair, overhaul and reclamation*， 2013-12-17 Update
- GB 3836.14 Explosive atmospheres.Part 14:Classification of areas.Explosive gas atmosphere*， 2014-12-05 Update
- GB 3836.15 Electrical apparatus for explosive gas atmospheres. Part 15: Electrical installation in hazardous areas (other than mines)
- GB 3836.16 Electrical apparatus for explosive gas atmospheres.Part 16:Inspection and maintenance of electrical installation(other than mines)
- GB 3836.17 Electrical apparatus for explosive gas atmosphere Part 17: Construction and use of rooms or buildings protected by pressurization
- GB 3836.18 Explosive atmospheres.Part 18:Intrinsically safe system*， 2010-08-09 Update
- GB 3836.19 Explosive atmospheres.Part 19:Fieldbus intrinsically safe concept (FISCO)*， 2010-08-09 Update
- GB 3836.2 Explosive atmospheres.Part 2:Equipment protection by flameproof enclosures "d"*， 2010-08-09 Update
- GB 3836.20 Explosive atmospheres.Part 20:Equipment with equipment protection level(EPL)Ga*， 2010-11-10 Update
- GB 3836.3 Explosive atmospheres.Part 3:Equipment protection by increased safety "e"*， 2010-08-09 Update
- GB 3836.4 Explosive atmospheres.Part 4:Equipment protection by intrinsic safety "i"*， 2010-08-09 Update
- GB 3836.5 Electrical apparatus for explosive gas atmosphere-Part 5:Pressurized enclosures"p"
- GB 3836.6 Electrical apparatus for explosive gas atmospheres-Part 6:Oil-immersion"o"
- GB 3836.7 Electrical apparatus for explosive gas atmospheres-Part 7:Power filling"q"
- GB 3836.8 Explosive atmospheres.Part 8: Equipment protection by type of protection “n”*， 2014-12-05 Update
- GB 3836.9 Explosive atmospheres.Part 9:Equipment protection by type of protection "m"*， 2014-12-05 Update
- GB 50251-2003 Code for design of gas transmission pipeline engineering
- GB/T 13609-1999 Natural Gas--Sampling guidelines
- GB/T 13610-2003 Analysis of natural gas by gas Chromatography
- GB/T 17747.2-1999 Natural gas--Calculation of compression factor--Part 2: Calculation using molar-composition analysis
- GB/T 18604-2001 Measurement of natural gas flow by ultrasonic flow meter
- JJF 1001-1998 General Terms in Metrology and Their Definitions
- JJF 1004-2004 Metrological Terms and Their Definitions for Flow Rate
JJG 1030-2007 history
- 2011 JJG 1030-2010 Technical performance test specification for constant temperature bath
- 2007 JJG 1029-2007 Vortex-shedding Flowmeter
- 1994 JJG 198-1994 Verification Regulation of Velocity Flowmeter
JJG 1030-2007 Ultrasonic Flowmeters has been changed from JJG 198-1994 Verification Regulation of Velocity Flowmeter.
