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Position: Chinese Standard in English/JB/T 9248-2015
JB/T 9248-2015   Electromagnetic flowmeters (English Version)
Standard No.: JB/T 9248-2015 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 7000 words Price(USD):170.0 remind me the price change

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Implemented on:2016-3-1 Delivery: via email in 1 business day
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Standard No.: JB/T 9248-2015
English Name: Electromagnetic flowmeters
Chinese Name: 电磁流量计
Professional Classification: JB    Professional Standard - Machinery
Issued by: Ministry of Industry and Information Technology
Issued on: 2015-10-10
Implemented on: 2016-3-1
Status: valid
Superseding:JB/T 9248-1999 Electromagnetic flowmeters
Language: English
File Format: PDF
Word Count: 7000 words
Price(USD): 170.0
Delivery: via email in 1 business day
1 Scope This standard specifies the product structure and classification, basic parameters, technical requirements, test methods, inspection rules, marking, packaging and storage for electromagnetic flowmeters (hereinafter referred to as "flowmeter"). This standard is applicable to the electromagnetic flowmeters used for measuring the conducting liquid flow in closed pipeline. This standard is not applicable to plug-in electromagnetic flowmeters and the electromagnetic flowmeters used for measuring open channel flow. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191-2008 Packaging—Pictorial Marking for Handling of Goods GB/T 2829-2002 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability) GB 3836 (all parts) Explosive Atmospheres GB 4208-2008 Degrees of Protection Provided by Enclosure (IP Code) GB/T 9112-2010 Types and Parameters for Steel Pipe Flanges GB/T 13384-2008 General Specifications for Packing of Mechanical and Electrical Product GB/T 17626.2 Electromagnetic Compatibility(EMC)—Testing and Measurement Techniques—Electrostatic Discharge Immunity Test GB/T 17626.3 Electromagnetic Compatibility-Testing and Measurement Techniques—Radiated Radio-frequency Electromagnetic Field Immunity Test GB/T 17626.4 Electromagnetic Compatibility—Testing and Measurement Techniques-Electrical Fast Transient/Burst Immunity Test GB/T 17626.5 Electromagetic Compatibility—Testing and Measurement Techniques—Surge (Impact) Immunity Test GB/T 17626.8 Electromagetic Compatibility-Testing and Measurement Techniques-Power Frequency Magnetic Field Immunity Test GB/T 17626.11 Electromagnetic Compatibility—Testing and Measurement Techniques—Voltage Dips, Short Interruptions and Voltage Variations Immunity Tests GB/T 18271.3 Process Measurement and Control Devices—General Methods and Procedures for Evaluating Performance—Part 3: Tests for the Effects of Influence Quantities GB/T 18659-2002 Measurement of fluid flow in closed conduits—Methods of evaluating the performance of electromagnetic flow-meters for liquids GB/T 20729-2006 Measurement of conductive liquid flow in closed conduits—Flanged electromagnetic flowmeters—Overall length GB/T 25474-2010 Values of nominal size for industrial process measurement and control instruments GB/T 25480-2010 Basic environmental conditions and testing methods for transportation and storage of instruments 3 Term and Definition For the purposes of this document, the terms and definitions given in GB/T 18659-2002 and those below apply. 3.1 constant of primary device an inherent factor of sensor, equivalent to the electromotive force of signal of a certain field current, or the field current producing a certain electromotive force, at 1m/s flow rate. It may serve as the ratio of electromotive force of signal to reference signal of magnetic field.
Foreword i 1 Scope 2 Normative References 3 Term and Definition 4 Product Structure and Classification 4.1 Basic Structure 4.2 Classification 5 Basic Parameters 5.1 Nominal Drift Diameter 5.2 Connection Dimensions 5.3 Measuring Range of Flow 5.4 Accuracy Classes 5.5 Output Signals 5.6 Working Environment Temperature and Relative Humidity 5.7 Mechanical Vibration 5.8 Power Supply 5.9 Output Load Resistance 5.10 Temperature of To-be-tested Liquid 5.11 Rated Working Pressure 5.12 Length of Straight Tube Section 6 Technical Requirements 6.1 Requirements of Accuracy 6.2 Requirements of Influence Quantity 6.3 Other Requirements 6.4 Basic Functional Requirements for Intelligent Flowmeter 7 Test Methods 7.1 Test Conditions 7.2 Tests for Accuracy 7.3 Tests for Influence Quantities 7.4 Other Tests 7.5 Basic Function Tests of Intelligent Flowmeter 8 Inspection Rules 8.1 Delivery Inspection 8.2 Type Inspection 8.3 Sampling Scheme and Judgment Rules 9 Marking, Packaging and Storage 9.1 Marking 9.2 Packaging 9.3 Storage Bibliography
Referred in JB/T 9248-2015:
*GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods
*GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
*GB 3836-2000
*GB 4208-2008 Degrees of Protection Provided By Enclosure (IP Code)
*GB/T 9112-2010
*GB/T 13384-2008 General specifications for packing of mechanical and electrical product
*GB/T 17626.2-l998
*GB/T 17626.3-2016
*GB/T 17626.4-2008 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test
*GB/T 17626.5-2008 Electromagnetic compatibility - Testing and measurement techniques - Surge immunity test
*GB/T 17626.8-2006 Electromagnetic compatibility (EMC) - Part 8: Testing and measurement techniques - Power frequency magnetic field immunity test
*GB/T17626.11-1998
*GB/T 18271.3-2000 Process measurement and control devices--General methods and procedures for evaluating performance--Part 3:Tests for the effects of influence quantities
*GB/T 18659-2002 Measurement of fluid flow in closed conduits - Methods of evaluating the performance of electromagnetic flow - Meters for liquids
*GB/T 20729-2006 Measurement of conductive liquid flow in closed conduits - Flanged electromagnetic flowmeters - Overall length
*GB/T 25474-2010 Values of nominal size for industrial process measurement and control instruments
*GB/T 25480-2010 Basic environmental conditions and testing methods for transportation and storage of instruments
Code of China
Standard
JB/T 9248-2015  Electromagnetic flowmeters (English Version)
Standard No.JB/T 9248-2015
Statusvalid
LanguageEnglish
File FormatPDF
Word Count7000 words
Price(USD)170.0
Implemented on2016-3-1
Deliveryvia email in 1 business day
Detail of JB/T 9248-2015
Standard No.
JB/T 9248-2015
English Name
Electromagnetic flowmeters
Chinese Name
电磁流量计
Chinese Classification
Professional Classification
JB
ICS Classification
Issued by
Ministry of Industry and Information Technology
Issued on
2015-10-10
Implemented on
2016-3-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
JB/T 9248-1999 Electromagnetic flowmeters
Language
English
File Format
PDF
Word Count
7000 words
Price(USD)
170.0
Keywords
JB/T 9248-2015, JB 9248-2015, JBT 9248-2015, JB/T9248-2015, JB/T 9248, JB/T9248, JB9248-2015, JB 9248, JB9248, JBT9248-2015, JBT 9248, JBT9248
Introduction of JB/T 9248-2015
1 Scope This standard specifies the product structure and classification, basic parameters, technical requirements, test methods, inspection rules, marking, packaging and storage for electromagnetic flowmeters (hereinafter referred to as "flowmeter"). This standard is applicable to the electromagnetic flowmeters used for measuring the conducting liquid flow in closed pipeline. This standard is not applicable to plug-in electromagnetic flowmeters and the electromagnetic flowmeters used for measuring open channel flow. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191-2008 Packaging—Pictorial Marking for Handling of Goods GB/T 2829-2002 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability) GB 3836 (all parts) Explosive Atmospheres GB 4208-2008 Degrees of Protection Provided by Enclosure (IP Code) GB/T 9112-2010 Types and Parameters for Steel Pipe Flanges GB/T 13384-2008 General Specifications for Packing of Mechanical and Electrical Product GB/T 17626.2 Electromagnetic Compatibility(EMC)—Testing and Measurement Techniques—Electrostatic Discharge Immunity Test GB/T 17626.3 Electromagnetic Compatibility-Testing and Measurement Techniques—Radiated Radio-frequency Electromagnetic Field Immunity Test GB/T 17626.4 Electromagnetic Compatibility—Testing and Measurement Techniques-Electrical Fast Transient/Burst Immunity Test GB/T 17626.5 Electromagetic Compatibility—Testing and Measurement Techniques—Surge (Impact) Immunity Test GB/T 17626.8 Electromagetic Compatibility-Testing and Measurement Techniques-Power Frequency Magnetic Field Immunity Test GB/T 17626.11 Electromagnetic Compatibility—Testing and Measurement Techniques—Voltage Dips, Short Interruptions and Voltage Variations Immunity Tests GB/T 18271.3 Process Measurement and Control Devices—General Methods and Procedures for Evaluating Performance—Part 3: Tests for the Effects of Influence Quantities GB/T 18659-2002 Measurement of fluid flow in closed conduits—Methods of evaluating the performance of electromagnetic flow-meters for liquids GB/T 20729-2006 Measurement of conductive liquid flow in closed conduits—Flanged electromagnetic flowmeters—Overall length GB/T 25474-2010 Values of nominal size for industrial process measurement and control instruments GB/T 25480-2010 Basic environmental conditions and testing methods for transportation and storage of instruments 3 Term and Definition For the purposes of this document, the terms and definitions given in GB/T 18659-2002 and those below apply. 3.1 constant of primary device an inherent factor of sensor, equivalent to the electromotive force of signal of a certain field current, or the field current producing a certain electromotive force, at 1m/s flow rate. It may serve as the ratio of electromotive force of signal to reference signal of magnetic field.
Contents of JB/T 9248-2015
Foreword i 1 Scope 2 Normative References 3 Term and Definition 4 Product Structure and Classification 4.1 Basic Structure 4.2 Classification 5 Basic Parameters 5.1 Nominal Drift Diameter 5.2 Connection Dimensions 5.3 Measuring Range of Flow 5.4 Accuracy Classes 5.5 Output Signals 5.6 Working Environment Temperature and Relative Humidity 5.7 Mechanical Vibration 5.8 Power Supply 5.9 Output Load Resistance 5.10 Temperature of To-be-tested Liquid 5.11 Rated Working Pressure 5.12 Length of Straight Tube Section 6 Technical Requirements 6.1 Requirements of Accuracy 6.2 Requirements of Influence Quantity 6.3 Other Requirements 6.4 Basic Functional Requirements for Intelligent Flowmeter 7 Test Methods 7.1 Test Conditions 7.2 Tests for Accuracy 7.3 Tests for Influence Quantities 7.4 Other Tests 7.5 Basic Function Tests of Intelligent Flowmeter 8 Inspection Rules 8.1 Delivery Inspection 8.2 Type Inspection 8.3 Sampling Scheme and Judgment Rules 9 Marking, Packaging and Storage 9.1 Marking 9.2 Packaging 9.3 Storage Bibliography
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