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JJF 1015-2014

Chinese Standard: 'JJF 1015-2014'
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BASIC DATA
Standard ID JJF 1015-2014 (JJF1015-2014)
Description (Translated English) General Norm for Pattern Evaluation of Measuring Instruments
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A50
Classification of International Standard 17.020
Word Count Estimation 16,196
Date of Issue 2014/1/23
Date of Implementation 2014/7/23
Older Standard (superseded by this standard) JJF 1015-2002
Quoted Standard JJF 1016-2014; JJF 1051; JJF 1069
Adopted Standard OIMI NO.19, NEQ
Drafting Organization Beijing Institute of Metrology Detection
Administrative Organization State Administration of Quality Supervision, Inspection and Quarantine
Regulation (derived from) ?AQSIQ Announcement 2014 No. 10
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This Standard applies to gauge where the appliance type approved type evaluation and compliance checks.

JJF 1015-2014
NATIONAL METROLOGY TECHNICAL SPECIFICATION
OF THE PEOPLE'S REPUBLIC OF CHINA
Replacing JJF 1015-2002
General Norm for Pattern Evaluation of
Measuring Instruments
计量器具型式评价通用规范
ISSUED ON: JANUARY 23, 2014
IMPLEMENTED ON: JULY 23, 2014
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine
General Norm for Pattern Evaluation
of Measuring Instruments
Replacing JJF 1015-2002
Jurisdiction organization: National Technical Committee of Legal Metrology
Metering Management
Drafting organizations: Beijing Institute of Metrology Detection
Beijing Bureau of Quality and Technical Supervision
China National Institute of Metrology
This Norm is entrusted to National Technical Committee of Legal Metrology
Metering Management for the interpretation.
Drafters of this Norm:
Wang, Zigang (Beijing Institute of Metrology Detection)
Chen, Jinghua (Beijing Bureau of Quality and Technical Supervision)
He, Zhao (China National Institute of Metrology).
Table of Contents
Foreword ... 5 
1 Scope ... 7 
2 Normative references ... 7 
3 Terms and definitions ... 7 
4 Technical information and test prototype that shall be submitted by the
application organization ... 8 
5 Pattern evaluation ... 9 
6 Handling of test prototype ... 12 
7 Handling of technical information ... 13 
Annex A Pattern Evaluation Report Format ... 14 
Annex B Format for “Explanation” on Prototype Retention of Pattern Evaluation
... 19 
Foreword
JJF 1015-2014 "General Norm for Pattern Evaluation of Measuring
Instruments" is a guiding technical specification for pattern evaluation of
measuring instruments.
JJF 1015-2014 "General Norm for Pattern Evaluation of Measuring
Instruments" was modified on the basis of JJF 1015-2002 "General Norm for
Pattern Evaluation and Pattern Approval of Measuring Instruments", which
references to partial contents of No.19 "Pattern evaluation and pattern
approval" of International Organization for Legal Metrology (OIML) and
combines with the relevant requirements proposed by the metrological
administrative department.
Compared with JJF 1015-2002, this Norm is only related to the pattern
evaluation of the measuring instruments. The pattern approval shall be
specified by relevant documents issued by the metrological administrative
department. The main changes of this revision are as follows:
- Add terms "single product" and "series product" ( see 3.3 and 3.4 );
- Add "Application for Pattern Approval of Measuring Instruments that was
accepted and entrusted by the government metrological administrative
department" in the submitted technical information (see 4.1);
- Make significant change in the submitted test prototype (see 4.2);
- Improve the approved pattern or specify the basis-change of the previous
pattern evaluation (see 5.1);
- Refine the examination of technical information to make it more operatable
(see 5.2);
- Divide the pattern evaluation into observation project and test project, so
as easy for description (see 5.3 and 5.4);
- Add "function verification" (see 5.4.1);
- Refine "stability test" (see 5.4.7);
- Change the way of "determination of pattern evaluation result"; it shall be
determined as qualified only when all the items for evaluation are qualified
(see 5.5);
- Enrich the "pattern evaluation report" by requiring records and photos to be
listed in the report as attachment (see 5.6);
- Change the handling of test prototype (see 6);
- Refine the "notices" of "pattern evaluation report" and specify 15-day
appeal period (see Appendix A);
- Add tables of "measurement parameters for measuring instruments",
"critical parts and materials", "list of equipment for pattern evaluation" and
"list of evaluation items and evaluation results";
- Delete contents relating to pattern approval;
- Delete basic safety test;
- Delete tests for adaptability of measuring performance in transport
simulation and retention simulation;
- Delete "handling for the first test failure".
The previous versions of this Norm are:
- JJF 1015-2002;
- JJF 1015-1990.
General Norm for Pattern Evaluation
of Measuring Instruments
1 Scope
This Norm is applicable to pattern evaluation of measuring instruments and
approved pattern’s compliance examination.
2 Normative references
This Norm takes the following documents as reference:
JJF 1016-2014 The Rules for Drafting Program of Pattern Evaluation of
Measuring Instruments;
JJF 1051 Designation and Classification Code for Measuring Instruments;
JJF 1069 Rules for the Examination of the Service of Legal Metrological
Verification.
For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments)
applies.
3 Terms and definitions
Terms and definitions defined by JJF 1001 "General Terms in Metrology and
Their Definitions" AND the following terms and definitions are applicable to this
Norm.
3.1 Measuring instrument
The single device or combination with one or multiple auxiliary equipment,
which are used for measuring.
3.2 Type (pattern) evaluation
The systematical examination and test on performance of one or multiple
samples in specified pattern according to document requirements on measuring
instruments, of which the results are written in the pattern evaluation report to
confirm if the pattern can be approved.
Note: The pattern of measuring instruments refers to the prototype as well as its technical
information (e.g., drawings, design material, software documents, etc.) of a certain
measuring instrument.
3.3 Single product
The product of one specification or model.
3.4 Series product
A group of products with same measuring principle, same or similar structure
(appearance), which meet one of the following conditions:
1) With same accuracy but with different measurement range;
2) With different accuracy but with same measuring range and structure.
4 Technical information and test prototype that shall
be submitted by the application organization
The applicant shall provide the technical information and test prototype required
by pattern evaluation to the technical agency who undertakes the pattern
evaluation.
4.1 Technical information
The following technical information shall be provided in two-sets by the
applicant:
- "Application for Pattern Approval of Measuring Instruments" accepted and
entrusted by the government metrological administrative department;
- Product standard;
- Assembly drawing, circuit diagram and critical parts list;
- Instructions for use;
- Test report made by manufacturer or technical agency;
- Explosion-proof certificate shall be provided if the test is carried out in the
explosive environment;
- Software evaluation report (if the government metrological administrative
department requires) issued by authorized agency.
4.2 Test prototype
The technical agency who undertakes the pattern evaluation shall require the
applicant to provide the test prototype according to provisions of pattern
evaluation outline if there is any; otherwise, determine the specification and
quantity of the prototype according to provisions of 6.13 of JJF 1016-2014.
5 Pattern evaluation
5.1 General principles
The pattern evaluation shall be carried out according to the pattern evaluation
outline.
The pattern evaluation includes technical information submitted for review,
observation item evaluation, and editing of pattern evaluation report. Generally,
the pattern evaluation shall be completed within 3 months. If there is stability
test of the measuring instrument, the evaluation period can be appropriately
extended; however, it shall be stated in advance to the government metrological
administrative department who entrusts the pattern evaluation and to the
applicant.
If the basis of the previous pattern evaluation is changed, it shall re-evaluate or
partially evaluate according to the requirements in the foreword of new pattern
evaluation outline. It shall review the approved pattern that has been improved.
The items for evaluation shall be determined by the technical agency who
undertakes the pattern evaluation according to the specific improvement.
5.2 Review of technical information
5.2.1 Comparing with 4.1 of this Norm, review if the technical information is
complete.
5.2.2 Review if the units of measurement, the external structure, marks, anti-
spoofing measures, etc. are in line with the legal management requirements.
Meanwhile, review if the names of measuring instruments comply with
provisions of JJF 1051 and the "Catalogue of Measuring Instruments under the
Legal Administration of the People's Republic of China (Pattern Approval)."
5.2.3 Review if the product standard of which this Norm is based on,
measurement indicators, functions and technologies in the user manual meet
the requirements of the pattern evaluation outline.
5.2.4 The technical information that are reviewed as qualified shall be marked
with paging seal as review confirmation. The review organization, reviewer,
review date as well as pattern evaluation report number shall be indicated on
the mark. Return the unqualified technical information for review to the applicant.
Resubmit for review after modification by the applicant.
5.3 Observation item evaluation
Evaluate the items requiring no test in legal management requirements,
metering requirements and common technical requirements proposed by the
pattern evaluation outline, and fill the observation record table with evaluation
conclusion of each item.
5.4 Evaluation of test item
It shall record test data and test results of the following tests.
5.4.1 Function verification
Verify if the measuring instrument is equipped with each function specified in
the pattern evaluation outline, and if each function meets the requirements.
5.4.2 Test of measuring function
Carry out the test under reference conditions specified in the pattern evaluation
outline.
5.4.3 Test of climate adaptation
Respectively carry out the test under the upper and lower rated points in the
climatic environment specified in the pattern evaluation outline.
5.4.4 Test of mechanical environment adaptation
Carry out the test under the mechanical environment specified in the pattern
evaluation outline.
5.4.5 Test of electromagnetic environment adaptation (immunity)
Carry out the test under the electromagnetic environment specified in the
pattern evaluation outline.
5.4.6 Test of power environment adaptation
Carry out the test under the power environment specified in the pattern
evaluation outline.
5.4.7 Stability test
Carry out the stability test according to provisions of the pattern evaluation
outline.
5.4.7.1 Carry out the test of measuring performance under reference conditions.
5.4.7.2 Carry out the operation test. According to provisions of the pattern
evaluation outline, operate for sufficient time or cumulants. Adjustments or
changes are not allowed during prototype operation.
5.4.7.3 After the operation test is completed, carry out the test of measuring
performance under reference conditions; check if the data changes of two tests
comply with the requirements of the pattern evaluation outline.
5.5 Determination of pattern evaluation result
5.5.1 It is qualified when all the evaluation items of the prototype comply with
the requirements of the pattern evaluation outline.
5.5.2 For single product, it shall be determined as unqualified if one or more
items are unqualified.
5.5.3 For series product, according to 5.5.2, this series shall be determined as
unqualified if one or more models are unqualified.
5.6 Issue of pattern evaluation report
After tests are completed, issue the pattern evaluation report according to the
format requirements in Appendix A. Reports shall be respectively issued for
series products with different measuring performance.
For qualified product, "The test prototype complies with requirements of pattern
evaluation outline, and it is suggested that the pattern of measuring instruments
of the following models is approved: ×××× and ××××" shall be indicated in
"Pattern evaluation conclusion and suggestion" of pattern evaluation report.
For unqualified product, "The ×××× of the test prototype fails to meet
requirements of ×××× pattern evaluation outline, and it is suggested that the
pattern of measuring instruments of the following models is not approved: ××××
and ××××" shall be indicated in "Pattern evaluation conclusion and suggestion"
of pattern evaluation report.
Retaining method and retaining quantity of the prototype shall be indicated in
"Other notes" in the 8th part of the report.
The pattern evaluation report is composed of three parts: main body,
attachment 1 and attachment 2. The format of main body is shown in Appendix
A. The main body shall contain information related to the applied measuring
instrument pattern, as well as conclusion and suggestion drawn from
attachment 1. Attachment 1 is the record of objective circumstances observed
and measured by the reviewer during pattern evaluation, of which the format is
consistent with the record format of referenced pattern evaluation outline. If
there are more than one test prototypes, the reports shall be respectively stated
as attachment 1-1, attachment 1-2 to attachment 1-n. Attachment 2 contains
photos (shall not be less than 4) taken by the technical agency after the pattern
evaluation is completed, and the mark is pasted on the prototype. This group of
photos shall include the overall shape, internal structure, display section, critical
components of the prototype. Page numbers shall be noted in the page footer
of the report as "page × of ×".
The format of the observation record in attachment 1 is shown in item "two" of
JJF 1016-2014's Appendix A. The format of test item is same as the one of test
record specified by pattern evaluation outline of this measuring instrument.
5.7 Handling of unqualified pattern evaluation
When the audited technical information is found non-conformance, it shall
inform the applicant to conduct rectification.
When there is unqualified item in the test, if the conditions of prototype permit,
the technical agency shall proceed the test till all test is completed. Otherwise,
the technical agency shall stop if the test is unable to be continued due to
unqualified item of prototype.
5.8 Confidentiality of prototype and technical information
The technical agency shall keep the prototype, technical information and
evaluation results confidential according to requirements of JJF 1069 during
pattern evaluation and after pattern evaluation.
6 Handling of test prototype
6.1 Handling of qualified prototype
6.1.1 Seal and mark of prototype
The technical agency who undertakes the pattern evaluation shall make
effective seal and mark to the qualified prototype or critical components. The
mark shall be obviously pasted and the mark format is shown in Appendix B.
The seal and mark shall ensure the critical components and material of the
prototype shall not be replaced or adjusted. The technical agency who
undertakes the pattern evaluation shall take photos of well-sealed and marked
prototype. Characters on the mark shall be clearly shown in the photos. Photos
are listed in the attachment 2 of the pattern evaluation report.
6.1.2 Prototype retention
In order to meet requirements for compliance examination of approved pattern,
the technical agency who undertakes the pattern evaluation shall hand over the
sealed and marked test prototype to the applicant. The applicant shall well store
the sealed and marked test prototype till the fifth year after the production of
this pattern of measuring instrument is stopped.
6.2 Handling of unqualified prototype
After pattern evaluation is completed, for unqualified prototypes, they shall be
returned to the applicant after reconsideration period is over.
7 Handling of technical information
After the pattern evaluation is completed (qualified or unqualified), the technical
information submitted by the applicant shall be handled in the following ways:
One set shall be returned to the applicant while the other set shall be stored by
the technical agency according to requirements of JJF 1069. The technical
information for retention contains each kind of documents, pattern evaluation
report and various of records.
Annex A
Pattern Evaluation Report Format
Pattern Evaluation Report of Measuring Instruments
(Designation and Classification Code for Measuring Instruments)
Report No.
(Name of Technical Agency)
Page x of x
I. Notices
1. This report shall be invalid if there is alteration, or without special-seal of
pattern evaluation laboratory, or without signatures of pattern evaluator,
reviewer and approver.
2. The copy of this report shall be invalid if there is no special-seal of pattern
evaluation laboratory for a second time.
3. This report is composed of main body, attachment 1 and attachment 2. None
of them is allowed to use alone.
4. If there is change in the referenced national technical specification, or the
applicant makes changes to the approved pattern, the applicant shall apply
for pattern re-evaluation in time.
5. When the applicant disagrees with this report, it shall submit a written
application for reconsideration within 15 days of receipt of this report to the
technical agency who undertakes the pattern evaluation or the government
metrological administrative department who accepts the application;
otherwise, it shall be deemed that the conclusion of this report is accepted.
II. Explanation
1. The report shall be printed on A4 paper;
2. This report is made of three originals that shall be kept by the technical
agency, the applicant and the entrusting organization.
Page x of x
I. Basic information of application and entrustment
A. Manufacturer:
Applicant:
Agent:
B. Entrusting organization:
Entrusted date:
Entrusting responsible-person:
C. S/N of Application New-model☐ Improved-model☐
II. Basic information of pattern
A. Designation and classification code for measuring instruments
B. Standards and their numbers that are based by the working principles,
usage, occasion for usage and production
C. Model, specification, accuracy grade / maximum permissible error /
uncertainty and number
D. Meas......
Related standard:   JJG 1011-2018  JJF 1016-2014
Related PDF sample:   JJF 1016-2014  JJF 1070.1-2011
   
 
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