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GB/T 28848-2012Intelligent gas flow meter (English PDF)

智能气体流量计

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

November 5, 2012

Implementation date

February 15, 2013

Scope

GB/T 28848-2012 is the English-translated version of 智能气体流量计.

GB/T 28848-2012 is the Chinese standard "Intelligent gas flow meter". Its scope clause reads: This standard specifies the smart gas meter (hereinafter referred to as meter) terminology, symbols, structure, requirements, test equipment, test methods, inspection Inspection rules, marking, packaging, transportation and storage.

This standard applies to the measurement of gas flow in closed conduits and having an electronic meter correction device. This standard does not apply to pre-paid meter control device.

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Document preview — GB/T 28848-2012

National Standard of the People's Republic of China

ICS: 17.120.10
Classification: N12

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbol
5 Structure
5.2 Type
5.3 Basic parameters
5.4 Connection
5.5 Conditions of Use
5.6 Naming Rule
6 requires
6.1 Measurement Performance Requirements
6.2 Functional requirements
6.3 Effect of Amount of
6.4 Security features
6.5 Other Requirements
7 test device
7.1 flow device
7.2 ancillary equipment requirements
7.3 Traceability
8 21 Test Method
8.1 Test conditions
8.2 Measurement Performance Test
8.3 Functional Check
8.4 Effect of the amount of test
8.5 Safety Performance Test
8.6 Other tests
9 inspection rules
9.1 factory inspection
9.2 Type inspection
10 signs, packaging, transportation, storage and use instructions
10.1 Product Mark
10.2 Packaging
10.3 Storage
10.4 Transport
10.5 Product certification
10.6 Owner's Manual
Appendix A (normative) Test Method meter indication error and output error
Annex C (normative) instantaneous flow meter, the total amount of calculation and error
Annex D (normative) Calculation of compression and error coefficient of
Appendix E (normative) Flow disturbance test
References

1 Scope

This standard specifies the smart gas meter (hereinafter referred to as meter) terminology, symbols, structure, requirements, test equipment, test methods, inspection

Inspection rules, marking, packaging, transportation and storage.

This standard applies to the measurement of gas flow in closed conduits and having an electronic meter correction device.

This standard does not apply to pre-paid meter control device.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 191 Packaging - Pictorial signs

GB/T 2423.1 Environmental testing for electric and electronic products Part 2. Test methods Test A. Cold

GB/T 2423.2 Environmental testing for electric and electronic products Part 2. Test methods Test B. Dry heat

GB/T 2423.3 Environmental testing for electric and electronic products Part 2. Test methods - Test Cab. Damp heat test

GB/T 2423.4 Environmental testing for electric and electronic products Part 2. Test methods - Test Db. Damp heat (12h 12h cycle)

GB/T 2423.7 Environmental testing for electric and electronic products Part 2. Test Ec and guidance. Drop and topple (mainly

For equipment - type specimens)

GB/T 2423.43 Environmental testing for electric and electronic products - Part 2. vibration, impact and similar dynamic tests like Test Method

Installation products

GB/T 2423.56 Environmental testing for electric and electronic products Part 2. Test methods - Test Fh. Broadband random vibration (digital control

Ltd.) and guidance

GB/T 2624 (all parts) with a differential pressure measuring device mounted to round pipe full pipe fluid flow

GB 3836.1 explosive atmospheres - Part 1. General requirements for equipment

GB 3836.2 explosive atmospheres - Part 2. the flameproof enclosure "d" protection equipment

GB 3836.4 explosive atmospheres - Part 4. the intrinsically safe "i" protection equipment

GB 4208 housing protection (IP Code)

GB/T 6388 transport package shipping mark

GB/T 9969 General Instructions industrial products

GB/T 13384 mechanical and electrical products packaging General technical conditions

GB/T 15478 pressure sensor performance test method

GB/T 15479 Industrial Automation Instrumentation insulation resistance, dielectric strength technical requirements and test methods

GB/T 17611 in closed conduits for fluid flow measurement and symbols

GB/T 17626.2 Electromagnetic compatibility Testing and measurement techniques - Electrostatic discharge immunity test

GB/T 17626.3 electromagnetic compatibility test and measurement technology RFEMS test

GB/T 17626.4 Electromagnetic compatibility Testing and measurement techniques - Electrical fast transient burst immunity test

GB/T 17626.5 electromagnetic compatibility test and measurement technology surge (impact) immunity test […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 58 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 2624 · GB 3836.1 · GB 3836.2 · GB 3836.4 · GB 4208

Cited by

Similar standards

GB 38031-2025|GB/T28848-2012|GB/T 191|GB/T 2423.1|GB/T 2423.2|GB/T 2423.3|GB/T 2423.4|GB/T 2423.7

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