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Position: Chinese Standard in English/GB/T 7724-2008
GB/T 7724-2008   Electronic weighing meter (English Version)
Standard No.: GB/T 7724-2008 Status:superseded remind me the status change

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Language:English File Format:PDF
Word Count: 12500 words Price(USD):310.0 remind me the price change

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Implemented on:2009-9-1 Delivery: via email in 1 business day
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Standard No.: GB/T 7724-2008
English Name: Electronic weighing meter
Chinese Name: 电子称重仪表
Chinese Classification: N13    Mechanical quantity instrument, automatic weighing equipment and other measuring instrument
Professional Classification: GB    National Standard
Issued by: AQSIQ
Issued on: 2008-12-30
Implemented on: 2009-9-1
Status: superseded
Superseded by:GB/T 7724-2023 Electronic weighing indicator
Superseded on:2024-6-1
Superseding:GB/T 7724-1999 Weighting indication controller
Language: English
File Format: PDF
Word Count: 12500 words
Price(USD): 310.0
Delivery: via email in 1 business day
1 Scope This standard specifies the general requirements, metrological requirements, technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage requirements for electronic weighing meter (hereinafter referred to as meter), including devices such as weighing indicator (hereinafter referred to as indicator), personal computer (PC) used as indicator, analog data processing device, digital data processing device, terminal and digital display, as module of weighing instrument. It is applicable to the following devices adopted in non-automatic weighing instruments: ——Weighing indicator; ——Analog data processing devices, such as digital junction box, AD module and digital weight convert device; ——Digital data processing device, e.g. data storage device; ——Terminals, such as PC and point of sale device (POS); ——Digital display, e.g. scoreboard; In this standard, the term "electronic weighing meter" covers the above-mentioned devices. This standard is only applicable to the electronic weighing meter of non-automatic weighing instrument. Note 1: Various devices within the application scope can be provided with their own enclosures or be installed in other devices (e.g. weighing module, PC). Note 2: In case that various devices within the application scope must be associated with software to meet the requirements of this standard, then this associated software is suitable for this standard no matter whether it has been installed in device. Note 3: This standard is also applicable to weighing meters of weighing instruments (e.g. weighing principle-based moisture meter, densimeter) which are used to determine and measure other mass related value, quantity, parameter or characteristic. Note 4: For certain device adopted in non-automatic weighing instrument, it is not required to implement all functions listed in this standard. Note 5: Some metrological requirements and test methods in this standard are aimed at the weighing meter connected with resistance strain gage load cell of voltage output form; but their principles are also applicable to the weighing meter connected with load cell of other output forms (e.g. frequency amount, charge quantity). 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. GB/T 191 Packaging-Pictorial Marking for Handling of Goods (GB/T 191-2008, ISO 780:1997, MOD) GB/T 2423.37-2006 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Test L: Dust and Sand (IEC 60068-2-68:1994, IDT) GB/T 2423.38-2005 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Test R: Water Test Method and Guidance (IEC 60068-2-18:2000, IDT) GB 4208 Degrees of Protection Provided by Enclosure (IP Code) (eqv IEC 529:1989) GB 4793.1-2007 Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use - Part 1: General Requirements (IEC 61010-1:2001, IDT) GB/T 4857.5-1992 Packaging - Transport Packages - Vertical Impact Test Method by Dropping (eqv ISO 2248:1985) GB/T 4857.10-2005 Packaging - Basic Tests for Transport Packages - Part 10: Sinusoidal Vibration Test Method Using at Variable Vibration Frequency (ISO 8318:2000, MOD) GB/T 4857.20-1992 Packaging - Transport Packages - Bump Test Method GB/T 6388-1986 Transport Package Shipping Mark GB/T 13384-2008 General Specifications for Packing of Mechanical and Electrical Product GB/T 14250-2008 Terminology of Weighing Instruments GB/T 23111-2008 Non-automatic Weighing Instrument (OIML R76:2006, IDT) 3 Terms and Definitions For the purposes of this standard, terms and definitions established in GB/T 23111-2008 and GB/T 14250-2008 as well as the following apply. 3.1 Construction 3.1.1 electronic weighing meter the general term of the following electronic equipment as modules of weighing instrument: ——Weighing indicator; ——Analog data processing device; ——Digital data processing device; ——Terminal; ——Digital display.
Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 General Requirements 5 Metrological Requirements 6 Technical Requirements 7 Test Methods 8 Inspection Rules 9 Marking, Packaging, Transportation and Storage
Referred in GB/T 7724-2008:
*GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods
*GB/T 2423.37-2006 Environmental testing for electric and electronic products - Part 2: Test methods - Test L: Dust and sand
*GB/T 2423.38-2005 Environmental testing for electric and electronic products Part 2: Test methods Test R: Water test methods and guidelines
*GB 4208-2008 Degrees of Protection Provided By Enclosure (IP Code)
*GB 4793.1-2007 Safety requirements for electrical equipment for measurement,control,andlaboratory use-Part 1:General requirements
*GB/T 4857.5-1992 Packaging-Transport packages-Vertical impact test method by dropping
*GB/T 4857.10-2005 Packaging—Basic tests for transport packages—Part 10:Sinusoidal vibration test method using at variable vibration frequency
*GB/T 4857.20-1992 Packaging--Transport packages--Bump test method
*GB/T 6388-1986
*GB/T 13384-2008 General specifications for packing of mechanical and electrical product
*GB/T 14250-2008 Terminology of weighing instruments
*GB/T 23111-2008 Non - Automatic weighing instrument
GB/T 7724-2008 is referred in:
* GB/T 27738-2011 Automatic gravimetric filling instruments
*GB/T 27698.1-2023 Test methods for the performance of heat exchangers and heat exchange elements—Part 1:General requirements
Code of China
Standard
GB/T 7724-2008  Electronic weighing meter (English Version)
Standard No.GB/T 7724-2008
Statussuperseded
LanguageEnglish
File FormatPDF
Word Count12500 words
Price(USD)310.0
Implemented on2009-9-1
Deliveryvia email in 1 business day
Detail of GB/T 7724-2008
Standard No.
GB/T 7724-2008
English Name
Electronic weighing meter
Chinese Name
电子称重仪表
Chinese Classification
N13
Professional Classification
GB
ICS Classification
Issued by
AQSIQ
Issued on
2008-12-30
Implemented on
2009-9-1
Status
superseded
Superseded by
GB/T 7724-2023 Electronic weighing indicator
Superseded on
2024-6-1
Abolished on
Superseding
GB/T 7724-1999 Weighting indication controller
Language
English
File Format
PDF
Word Count
12500 words
Price(USD)
310.0
Keywords
GB/T 7724-2008, GB 7724-2008, GBT 7724-2008, GB/T7724-2008, GB/T 7724, GB/T7724, GB7724-2008, GB 7724, GB7724, GBT7724-2008, GBT 7724, GBT7724
Introduction of GB/T 7724-2008
1 Scope This standard specifies the general requirements, metrological requirements, technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage requirements for electronic weighing meter (hereinafter referred to as meter), including devices such as weighing indicator (hereinafter referred to as indicator), personal computer (PC) used as indicator, analog data processing device, digital data processing device, terminal and digital display, as module of weighing instrument. It is applicable to the following devices adopted in non-automatic weighing instruments: ——Weighing indicator; ——Analog data processing devices, such as digital junction box, AD module and digital weight convert device; ——Digital data processing device, e.g. data storage device; ——Terminals, such as PC and point of sale device (POS); ——Digital display, e.g. scoreboard; In this standard, the term "electronic weighing meter" covers the above-mentioned devices. This standard is only applicable to the electronic weighing meter of non-automatic weighing instrument. Note 1: Various devices within the application scope can be provided with their own enclosures or be installed in other devices (e.g. weighing module, PC). Note 2: In case that various devices within the application scope must be associated with software to meet the requirements of this standard, then this associated software is suitable for this standard no matter whether it has been installed in device. Note 3: This standard is also applicable to weighing meters of weighing instruments (e.g. weighing principle-based moisture meter, densimeter) which are used to determine and measure other mass related value, quantity, parameter or characteristic. Note 4: For certain device adopted in non-automatic weighing instrument, it is not required to implement all functions listed in this standard. Note 5: Some metrological requirements and test methods in this standard are aimed at the weighing meter connected with resistance strain gage load cell of voltage output form; but their principles are also applicable to the weighing meter connected with load cell of other output forms (e.g. frequency amount, charge quantity). 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. GB/T 191 Packaging-Pictorial Marking for Handling of Goods (GB/T 191-2008, ISO 780:1997, MOD) GB/T 2423.37-2006 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Test L: Dust and Sand (IEC 60068-2-68:1994, IDT) GB/T 2423.38-2005 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Test R: Water Test Method and Guidance (IEC 60068-2-18:2000, IDT) GB 4208 Degrees of Protection Provided by Enclosure (IP Code) (eqv IEC 529:1989) GB 4793.1-2007 Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use - Part 1: General Requirements (IEC 61010-1:2001, IDT) GB/T 4857.5-1992 Packaging - Transport Packages - Vertical Impact Test Method by Dropping (eqv ISO 2248:1985) GB/T 4857.10-2005 Packaging - Basic Tests for Transport Packages - Part 10: Sinusoidal Vibration Test Method Using at Variable Vibration Frequency (ISO 8318:2000, MOD) GB/T 4857.20-1992 Packaging - Transport Packages - Bump Test Method GB/T 6388-1986 Transport Package Shipping Mark GB/T 13384-2008 General Specifications for Packing of Mechanical and Electrical Product GB/T 14250-2008 Terminology of Weighing Instruments GB/T 23111-2008 Non-automatic Weighing Instrument (OIML R76:2006, IDT) 3 Terms and Definitions For the purposes of this standard, terms and definitions established in GB/T 23111-2008 and GB/T 14250-2008 as well as the following apply. 3.1 Construction 3.1.1 electronic weighing meter the general term of the following electronic equipment as modules of weighing instrument: ——Weighing indicator; ——Analog data processing device; ——Digital data processing device; ——Terminal; ——Digital display.
Contents of GB/T 7724-2008
Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 General Requirements 5 Metrological Requirements 6 Technical Requirements 7 Test Methods 8 Inspection Rules 9 Marking, Packaging, Transportation and Storage
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