Title |
Standard No. |
Implemented On |

Meters for cold potable water and hot water—Part 2:Test methods | GB/T 778.2-2018 | 2019-1-1 |

Meters for cold potable water and hot water—Part 5:Installation requirements | GB/T 778.5-2018 | 2019-1-1 |

Meters for cold potable water and hot water—Part 4:Non-metrological requirements not covered in GB/T 778.1 | GB/T 778.4-2018 | 2019-1-1 |

Meters for cold potable water and hot water—Part 3:Test report format | GB/T 778.3-2018 | 2019-1-1 |

Measurement of fluid flow by means of pressure-differential devices―Guidelines for the specification of orifice plates,nozzles and Venturi tubes beyond the scope of GB/T 2624 | GB/Z 35140-2017 | 2018-7-1 |

Measurement of wet gas flow by means of pressure differential devices inserted in circular cross-section conduits | GB/Z 35588-2017 | 2018-7-1 |

Measurement of fluid flow in closed conduits―Ultrasonic meters for gas―Part 2:Meters for industrial applications | GB/T 34041.2-2017 | 2018-4-1 |

Measurement of fluid flow by means of pressure differential devices. Guidelines on the effect of departure from the specifications and operating conditions given in GB/T 2624 and the correction methods | GB/Z 33902-2017 | 2018-2-1 |

Guidelines for the use of GB/T 2624―2006 | GB/Z 33875-2017 | 2018-2-1 |

Intelligent flow instruments--General technical requirements | GB/T 34049-2017 | 2018-2-1 |

Coriolis mass flow meter | GB/T 31130-2014 | 2015-2-1 |

Measurement of Fluid Flow in Closed Conduits - Specifications for V-cone Pressure Differential Flow Measuring Device | GB/T 30243-2013 | 2014-7-1 |

Mass flow meter based on HART protocol general specification | GB/T 29818-2013 | 2014-3-15 |

The electromagnetic flowmeter based on HART protocol general technical specification | GB/T 29815-2013 | 2014-3-15 |

Assessment of uncertainty in calibration and use of flow measurement devices—Part 1:Linear calibration relationships | GB/T 29820.1-2013 | 2014-3-15 |

Intelligent gas flow meter | GB/T 28848-2012 | 2013-2-15 |

Direct-current linear variable differential transformer (DC-DC LVDT)displacement transducers | GB/T 28857-2012 | 2013-2-15 |

Integrated circuit card cold water meter | CJ/T 133-2012 | 2012-8-1 |

Measurement of fluid flow—Procedures for the evaluation of uncertainties | GB/T 27759-2011 | 2012-5-1 |

Diaphragm gas meters | GB/T 6968-2011 | 2012-5-1 |

Numerical batch control water meter | GB/T 26795-2011 | 2011-12-1 |

Fluid flow in closed conduits - Connections for pressure signal transmissions between primary and secondary elements | GB/T 26801-2011 | 2011-12-1 |

Indexes for diaphragm gas meters | GB/T 26794-2011 | 2011-12-1 |

Fittings for installation of diaphragm gas meters | GB/T 26334-2010 | 2011-6-1 |

Plastic body and pressured parts of the meter for cold potable water—Technical specifications | GB/T 25920-2010 | 2011-5-1 |

Portable calibration instrument for water meters | GB/T 25918-2010 | 2011-5-1 |

Anti-corrosion magnetic trurning column fluid level gauge | GB/T 25477-2010 | 2011-5-1 |

Measurement of fluid flow in closed conduits—Flowrate measurement by means of vortex shedding flowmeters inserted in circular cross-section conduits running full | GB/T 25922-2010 | 2011-5-1 |

Displacement type level instruments | GB/T 13969-2008 | 2009-2-1 |

Water level control and alarm devices for industrial boilers | GB/T 13638-2008 | 2009-2-1 |

Methods of evaluating the performance of flowmeters for incompressible fluids | GB/T 9248-2008 | 2009-2-1 |

Measurement of fluid flow - Methods of specifying flowmeter performance | GB/T 22133-2008 | 2009-1-1 |

Instruments for stage measurement—Part 6:Remote measuring stage gauge | GB/T 11828.6-2008 | 2008-7-1 |

Measurement of water flow in fully charged closed conduits - Meters for cold potable water and hot water - Part 3: Test methods and equipment | GB/T 778.3-2007 | 2008-5-1 |

Measurement of water flow in fully charged closed conduits—Meters for cold potable water and hot water—Part 1:Specifications | GB/T 778.1-2007 | 2008-5-1 |

Measurement of gas flow by means of critical flow Venturi nozzles | GB/T 21188-2007 | 2008-5-1 |

Measurement of water flow in fully charged closed conduits—Meters for cold potable water and hot water—Part 2:Installation requirements | GB/T 778.2-2007 | 2008-5-1 |

Magnetostrictive liquid level meter | GB/T 21117-2007 | 2007-12-1 |

Measurement of fluid flow in closed conduits - Guidance to the selection installation and use of Coriolis meters | GB/T 20728-2006 | 2007-7-1 |

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 2: Orifice plates | GB/T 2624.2-2006 | 2007-7-1 |

Measurement of fluid flow in closed conduits - Thermal mass flowmeters | GB/T 20727-2006 | 2007-7-1 |

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 3: Nozzles and Venturi nozzles | GB/T 2624.3-2006 | 2007-7-1 |

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes | GB/T 2624.4-2006 | 2007-7-1 |

Measurement of conductive liquid flow in closed conduits - Flanged electromagnetic flowmeters - Overall length | GB/T 20729-2006 | 2007-7-1 |

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements | GB/T 2624.1-2006 | 2007-7-1 |

Basic parameters for flow measuring instruments | JB/T 10564-2006 | 2006-10-11 |

Measurement of gas flow in closed conduits--Turbine meters | GB/T 18940-2003 | 2003-8-1 |

Measurement of fluid flow in closed conduits - Methods of evaluating the performance of electromagnetic flow - Meters for liquids | GB/T 18659-2002 | 2002-8-1 |

Measurement of conductive liquid flow in closed conduits - Method using electromagnetic flowmeters | GB/T 18660-2002 | 2002-8-1 |

Integrated circuit card water meter | CJ/T 133-2001 | 2001-10-1 |

Ultrasonic Doppler flowmeter | CJ/T 122-2000 | 2001-6-1 |

Electrical safty in low voltage distribution systems up to 1000 V a. c. and 1500 V d. c. -Equipment for testing, measuring or monitoring of protective measuring-Part 1: General requirements | GB/T 18215.1-2000 | 2001-5-1 |

Flow measurement of city manufactured gas in main pipes--Part 1:Method using standard orifice plate throttling device | GN/T 18215.1-2000 | 2001-5-1 |

Glass pipe level gauges | JB/T 9243-1999 | 2000-1-1 |

Turbine flow transducer | JB/T 9246-1999 | 2000-1-1 |

Electromagnetic flowmeters | JB/T 9248-1999 | 2000-1-1 |

Glass tube variable area meters | JB/T 9255-1999 | 2000-1-1 |

Glass plate water gauges for boilers | JB/T 9245-1999 | 2000-1-1 |

Specification for electrical contactor wind speed and wind direction recorder | JB/T 9450-1999 | 2000-1-1 |

Vortex shedding flow transducer | JB/T 9249-1999 | 2000-1-1 |

Specifications for the siphon pluviograph | JB/T 9457-1999 | 2000-1-1 |

Specifications for the raingauge | JB/T 9458-1999 | 2000-1-1 |

Electrical capacitance level meter | JB/T 9261-1999 | 2000-1-1 |

General technical specifications for positive displacement flowmeter | JB/T 9242-1999 | 2000-1-1 |

Shunt type current steam flowmeter | JB/T 9247-1999 | 2000-1-1 |

Glass plate level gauges | JB/T 9244-1999 | 2000-1-1 |

Measurement of liquid flow in closed conduits by weighing method - Procedures for checking installations Part 1: Static weighing systems | GB/T 17613.1-1998 | 1999-7-1 |

Measurement of fluid flow in closed conduits-Vocabulary and symbols | GB/T 17611-1998 | 1999-7-1 |

Measurement of liquid flow in closed conduits - Weighing method | GB/T 17612-1998 | 1999-7-1 |

Verification method of dynamic liquid discharge and flow velocity facilities | SL/T 232-1999 | 1999-3-1 |

Meters for hot water. Specifications | JB/T 8802-1998 | 1998-12-1 |

Diaphragm gas meters | GB/T 6968-1997 | 1998-8-1 |

Measurement of water flow in closed conduits--Meters for cold potable water--Part 1:Specifications | GB/T 778.1-1996 | 1996-12-1 |

Measurement of water flow in closed conduits--Meters for cold potable water--Part 2:Installation requirements | GB/T 778.2-1996 | 1996-12-1 |

Measurement of water flow in closed conduits--Meters for cold potable water--Part 3:Test methods and equipment | GB/T 778.3-1996 | 1996-12-1 |

Magnetic and Eddy Current Measuring Instrument for Coating Thickness | JB/T 8393-1996 | 1996-10-1 |

Roots Gas Meter | JB/T 7385-1994 | 1995-5-1 |

Rules for the inspection of water meters for export | SN/T 0238-1993 | 1994-5-1 |

Rules for the weight survey of import and export commodities - Weight by flowmeter | SN/T 0186-1993 | 1994-1-1 |

Metal Tube Floater Flowmeter | JB/T 6844-1993 | 1994-1-1 |

Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full | GB/T 2624-1993 | 1993-8-1 |

Displacement type level instruments | GB/T 13969-1992 | 1993-7-1 |

Water level control and alarm devices for industrial boilers | GB/T 13638-1992 | 1993-4-1 |

Average-velocity Tube Flow Sensor | JB/T 5325-1991 | 1992-7-1 |

Hydrometric staff | SL 09-1989 | 1989-7-1 |

The provision technical regulation for flower and liquidometer of wastewater in open channel | HYS 2-1989 | 1989-5-20 |

Methods of evaluating the performance of flowmeters for incompressidle fluids | GB/T 9248-1988 | 1989-1-1 |

General Technical Specification for Conventional Linear Accelerometer | HB 6156-1988 | 1988-9-1 |