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JJF 1070-2005 English PDF (JJF1070-2005)

JJF 1070-2005 English PDF (JJF1070-2005)

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JJF 1070-2005: Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content

This Rules specifies the requirements and procedures for sampling, testing, evaluation and other activities in metrological testing on net quantity of products in prepackages with fixed content. This Rules applies to metrological supervision test and arbitration test on net quantity of products in prepackages with fixed content. It can be used as reference for the entrusting test. Organizations who produce and sell products in prepackages with fixed content can also conduct test in accordance with this Rules.
JJF 1070-2005
JJF
National Metrology Technical
Specifications of the People's Republic of China
Rules of Metrological Testing for Net Quantity
of Products in Prepackages with Fixed Content
ISSUED ON. OCTOBER 09, 2005
IMPLEMENTED ON. JANUARY 01, 2006
Issued by. State Administration for Quality Supervision and Inspection
and Quarantine
Rules of Metrological Testing for Net Quantity of
Products in Prepackages with Fixed Content
This Specification was approved by State Administration for Quality Supervision and Inspection and Quarantine on October 9, 2005 and shall be implemented from January 1, 2006.
Jurisdiction organization. National Committee of Legal Metrology Management and Metrology Technique
Drafting organizations. National Committee of Legal Metrology Management and Metrology Technique
Working group in charge of net quantity of products in
prepackages with fixed content
This Specification shall be interpreted by National Committee of Legal Metrology Management and Metrology Technique
Main drafters.
Huang Yaowen (Jiangsu Provincial Bureau of Quality and Technical Supervision) Tang Yu (National Institute of Metrology)
Wang Junguo (Qingdao Scale Test Center)
Liu Wei (Beijing Metrology Detection Research Institute)
Qian Dading (Shanghai Metrology Test Technology Research Institute)
Luan Wenguang (Harbin Bureau of Quality and Technical Supervision)
Persons participating in drafting.
Li Chunqin (China Metrology Association)
Du Lvjun (China Alcoholic Drinks Industry Association Beer Branch)
Liu Zhiqing (Guangzhou Procter and Gamble Co., Ltd. Beijing Branch)
Di Xuefeng (Nestle (China) Co., Ltd.)
Wang Yingjun (General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China)
Table of Contents
Introduction ... 6
1 Scope ... 7
2 Normative references ... 7
3 Terms and symbols ... 7
3.1 Terms ... 7
3.2 Symbols ... 10
4 Metrological requirements ... 10
4.1 General provisions ... 10
4.2 Metrological requirements for nominal quantity ... 10
4.3 Metrological requirements of net quantity ... 12
5 Metrology testing ... 15
5.1 General provisions ... 15
5.2 Uncertainty of metrology ... 15
5.3 Statistic and control criteria ... 15
5.4 Testing implementation ... 16
5.5 Original records and data processing ... 18
6 Result assessment and report ... 18
6.1 Assessment criteria ... 18
6.2 Testing report ... 19
Annex A Random sampling method ... 21
Annex B Method to remove tare weight ... 22
Annex C Metrological testing methods of using mass (weight) unit to mark net quantity of products ... 26
Annex D Metrological testing methods of using volume unit to mark net quantity of products ... 33
Annex E Metrological testing methods of using length unit to mark net quantity of products ... 37
Annex F Metrological testing methods of using area unit to mark net quantity of products ... 40
Annex G Metrological testing methods of using counting method to mark net quantity of products ... 42
Annex H The sampling list format for metrological testing for net quantity of products in prepackages with fixed content ... 45
Annex I The original record format for quantitative testing of net quantity of products in prepackages with fixed content (Informative) ... 49
Annex J The report format for metrological testing for net quantity of products in prepackages with fixed content ... 56
Rules of Metrological Testing for Net Quantity of
Products in Prepackages with Fixed Content
Introduction
In order to regulate the metrology testing for net quantity of products in prepackages with fixed content, the Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content (hereinafter referred to as ?€?this Rules?€?) is formulated according to the requirements of Order No. 75 of State Administration for Quality Supervision and Inspection and Quarantine ?€? Administrative Measures of Metrological Supervision for Products in Prepackages with Fixed Content, OIML R87 ?€? Quantity of Prepackaged Products (2004 version), OIML R79 ?€? Tag Details for Products in Prepackages with Fixed Content (1997 version) and relevant national standards.
This Rules is a revision to JJF1070-2000 Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content. This Rules replaces JJF1070-2000. Compared with the JJF1070-2000, this Rules has the following significant changes in technical content.
?€? Adjusted metrological requirements for net quantity of products in prepackages with fixed content and criteria for inspection lot conformity assessment;
?€? Improved requirements for uncertainty of metrological testing on products in prepackages with fixed content;
?€? Added statistical and control criteria for metrological testing on net quantity of the products in prepackages with fixed content;
?€? Added content of testing and assessment on nominal quantity of the products in prepackages with fixed content;
?€? Added metrological testing method of using the area and counting to mark products in prepackages with fixed content;
?€? Added original record format for sampling list and test, and modified the testing report format.
This Rules is the revision of JJF1070-2000 in accordance with OIML R87 ?€? Quantity of Prepackaged Products (2004 version). It is equivalent to OIML in technical content, and adds the supplementary regulations that are not in OIML on metrological requirements and testing methods of net quantity for products in packages with fixed content in a batch of less than 100 pieces.
1 Scope
This Rules specifies the requirements and procedures for sampling, testing, evaluation and other activities in metrological testing on net quantity of products in prepackages with fixed content.
This Rules applies to metrological supervision test and arbitration test on net quantity of products in prepackages with fixed content. It can be used as reference for the entrusting test. Organizations who produce and sell products in prepackages with fixed content can also conduct test in accordance with this Rules.
The products in prepackages with fixed content to be tested shall be the products which have passed self-testing performed by the producers, or the products imported or distributed by the sellers.
2 Normative references
For this Rules, citation is made to the following documents.
State Administration of Quality Supervision and Testing and Quarantine Order No. 75 Administrative Measures of Metrological Supervision for Products in Prepackages with Fixed Content
OIML R87 Quantity of Prepackaged Products (2004 version)
OIML R79 Mark Content of Products in Prepackages with Fixed Content (1997 version) GB/T3358.1-3358.3?€?1993 Statistical terminology
The currently valid version of the above documents shall be adopted when using this Rules. 3 Terms and symbols
3.1 Terms
3.1.1 Prepackaged products
The products prepackaged with packing material or packaging container before sales with quantity value (or quantity) predetermined.
3.1.2 Products in prepackages with fixed content
3.1.10 Batch
Quantity of unit-product contained in inspection lot.
3.1.11 Sample unit
The unit-product sampled from the inspection lot for testing.
3.1.12 Sample
The entire of sample units.
3.1.13 Sample size
The number of units in sample that can provide information to check whether the inspection lot from which it is sampled is qualified.
3.1.14 Deviation
The difference between the actual quantity of sample unit and its nominal quantity. 3.1.15 Average deviation
Arithmetic mean value of all sample unit deviations
3.1.16 Av...

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