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GB/T 7723-2017Fixed location electronic weighing instrument (English PDF)

固定式电子衡器

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Level / Type

National · Recommended

Issue date

November 1, 2017

Implementation date

May 1, 2018

Scope

GB/T 7723-2017 is the English-translated version of 固定式电子衡器.

GB/T 7723-2017 is the Chinese standard "Fixed location electronic weighing instrument". Its scope clause reads: This standard specifies the fixed electronic weighing instrument (hereinafter referred to as "weighing") product measurement requirements, technical requirements, test methods, inspection rules And logo, packaging, shipping and storage.

This standard applies to the use of load cells and electronic weighing instruments non-automatic weighing instrument, including electronic truck scale, electronic ground balance, electronic On the scale, electronic hopper scales and a variety of special fixed electronic scales.

This standard does not apply to hanging weighing electronic scales. Its clauses include terms and definitions.

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Document preview — GB/T 7723-2017

National Standard of the People's Republic of China

ICS: 17.100
Classification: N 13
Replacing: GB/T 7723-2008

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 model and naming
5 measurement requirements
5.1 Weighing accuracy grade and symbol
5.2 test division value
5.3 multi-scale instrument additional requirements
5.4 The maximum allowable error
5.5 The difference between the weighing results
5.6 test standard
5.7 Identification threshold
5.8 Changes caused by influence volume and time
6 Technical Requirements
6.1 General Requirements for Construction
6.2 Load cell
6.3 Electronic Weighing Instrument
6.4 Electrical Parameters Related to Scale
6.5 digital indicating device and printing device
6.6 zero device and zero tracking device
6.7 Peel device
6.8 preset tare device
6.9 Lock status
6.10 Weighing load measuring instrument
6.12 Functional Requirements
6.13 Performance Test and Range Stability Test
6.14 Additional Requirements for Software-Controlled Electronics
7 Test methods
7.1 Preparation before testing
7.2 Zero Check
7.3 Weighing performance (5.4)
7.4 Skinning (6.7)
7.5 Partial load test (5.5.2)
7.6 Identification threshold test (5.7)
7.7 Repeatability test (5.5.1)
7.8 Time-related tests (5.8.3)
7.9 Balance Stability Test (6.5.3)
7.10 Multiple Indicators (5.5.3)
7.11 Impact Factor (5.8)
7.12 Anti-jamming performance test (6.12.4)
7.13 Range Stability Test (6.12.3)
7.14 Software Review and Testing (6.14)
7.15 Compatibility Verification (5.5.6)
7.16 surface paint film adhesion test
8.1 type test
8.2 Type inspection requirements
8.3 Prototype test requirements
8.4 factory inspection
8.5 Inspection Project Requirements
9 logo, packaging, transportation and storage
9.1 mark
9.2 Packaging
9.3 Transportation
9.4 Storage
Appendix A (informative) This standard compared with OIMLR76-1.2006 structural changes
Appendix B (informative) Technical differences between this standard and OIMLR76-1.2006 and its causes

1 Scope

This standard specifies the fixed electronic weighing instrument (hereinafter referred to as "weighing") product measurement requirements, technical requirements, test methods, inspection rules

And logo, packaging, shipping and storage.

This standard applies to the use of load cells and electronic weighing instruments non-automatic weighing instrument, including electronic truck scale, electronic ground balance, electronic

On the scale, electronic hopper scales and a variety of special fixed electronic scales.

This standard does not apply to hanging weighing electronic scales.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all 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. Low temperature

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

GB/T 2423.3 Basic environmental testing of electric and electronic products Ca. Constant hot and humid test method

GB/T 2887 General rules of computer space

GB/T 4167 weight

GB/T 6388 transport packaging shipping symbols

GB/T 7551 load cell

GB/T 7724 electronic weighing instruments

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

GB/T 14250 Weighing terminology

GB 19517 National Electrical Equipment Safety Technical Specification

GB/T 23111-2008 non-automatic weighing instrument

GB/T 26389 Scale product model preparation methods

JJG1118-2015 electronic truck scale (weighing load measuring instrument method)

QB/T 1588.1 Light industry machinery welding parts general technical conditions

QB/T 1588.2 Light industry machinery cutting parts General technical conditions

QB/T 1588.3 Light industry machinery assembly general technical conditions

QB/T 1588.4 Light industry machinery painting general technical conditions

3 Terms and definitions

GB/T 14250 and defined by the following terms and definitions apply to this document. For ease of use, the following list is repeated

GB/T 14250 some of the terms and definitions.

3.1 Multi-scale weighing instrument

Weighing only has a weighing range, the weighing range is subdivided into several partial scale value of several local weighing range. These few parts

GB/T 9081 | GB/T 21296.3 | GB/T 21296.2 | GB/T 7724 | GB/T 7722 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 74 pages — is available in the English PDF.

Referenced standards

Normative references

JJG1118-2015

Cited by

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