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JJF 1441-2013 English PDF

JJF 1441-2013 English PDF

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JJF 1441-2013: Program of Pattern Evaluation of Dissolved Oxygen Meter With Covered-Membrane-Electrode
JJF 1441-2013
Program of Pattern Evaluation of Dissolved Oxygen Meter With Covered-Membrane-Electrode
People's Republic of China National Metrology Technical Specifications
Film Electrode Dissolved Oxygen Meter
Type Evaluation Outline
Issued on. 2013-11-28
2014-02-28 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Film Electrode Dissolved Oxygen Meter
Type Evaluation Outline
Focal point. the National Technical Committee on Environment stoichiometry
Main drafting unit. Zhejiang Institute of Metrology
Participated in the drafting unit. Shanghai Institute of Measurement and Testing
Shanghai Precision and Scientific Instrument Co., Ltd.
China Testing Technology Research Institute
This specification technical committee commissioned by the National stoichiometric environment responsible for interpreting
The main drafters of this specification.
Xu far (Zhejiang Institute of Metrology)
Chen Wenjing (Zhejiang Institute of Metrology)
Zhang Yan Group (Zhejiang Institute of Metrology)
Drafters participate.
Wangzhen Tao (Shanghai Institute of Measurement and Testing)
Kim Chun Law (Shanghai Precision Scientific Instrument Co., Ltd.)
Yuan Li (China Testing Technology Research Institute)
table of Contents
Introduction (Ⅲ)
1 Scope (1)
2. References (1)
3 Overview (1)
Technical information and test prototype unit 4 application should be submitted (1)
4.1 Technical Information (1)
4.2 experimental prototype (1)
5 legal management requirements (1)
5.1 Units of measurement requirements (1)
5.2 accuracy (maximum permissible error) requirements (2)
5.3 legal metrology marking and labeling requirements of measuring instruments (2)
6 measurement requirements (2)
6.1 Zero error (2)
6.2 Response Time (2)
6.3 dissolved oxygen concentration indication error (2)
6.4 Repeatability (2)
6.5 Temperature indication error (2)
6.6 Salinity compensation error (2)
7 General Requirements (2)
7.1 Appearance (2)
7.2 adaptive power supply voltage (2)
7.3 Safety environmental requirements (3)
Zero-error test at 7.4 rated operating temperature conditions (3)
7.5 transport equipment, transportation, storage and basic environmental conditions for testing (3)
8 pattern evaluation item list (3)
9 pilot projects test methods and conditions (4)
9.1 Appearance (4)
9.2 Zero error (4)
9.3 Response Time (5)
9.4 dissolved oxygen concentration indication error (5)
9.5 Repeatability (6)
9.6 Temperature indication error (7)
9.7 Salinity compensation error (7)
9.8 adaptive voltage supply (8)
9.9 Insulation resistance (9)
9.10 Dielectric Strength (9)
9.11 zero error under nominal operating temperature conditions (9)
9.12 transport equipment, transportation, storage and basic environmental conditions (10)
Assessed and treated 10 types of evaluation results (11)
11 original record format type evaluation (11)
Appendix A test water preparation (12)
B test water preparation device configuration diagram of the Appendix (13)
Appendix C saturation concentration of oxygen in the water table at different temperatures (14)
Appendix D at different temperatures the saturation vapor pressure of pure water (15)
Appendix E film electrode dissolved oxygen meter type evaluation original record format (16)
introduction
This type of evaluation is based on the outline JJF 1015 "Measuring Instruments type evaluation and type approval of universal norms",
JJF 1016 "appliance type evaluation outline guidelines for the preparation of measurement" and JJF 1001 "common measurement terms and definitions" of
Provisions developed.
The outline of the type evaluation technical indicators reference JJG291-2008 "film electrode dissolved oxygen meter"
Test GB/T 11606-2007 "instruments - Environmental test methods for analysis", HJ506-2009 "dissolved oxygen water quality
Given electrochemical probe method "and other technical regulations.
This type of evaluation outline for the first release.
Film Electrode Dissolved Oxygen Meter
Type Evaluation Outline
1 Scope
This type of evaluation outline is applied to scale range (0 ~ 20) mg/L of laboratory and portable film electrode
Dissolved Oxygen Meter (hereinafter referred to as the instrument) the type evaluation.
2. References
JJG291-2008 film electrode dissolved oxygen meter
GB/T 11606-2007 analytical instruments environmental test methods
HJ506-2009 determination of dissolved oxygen electrochemical probe method
These documents contain provisions which through reference in this syllabus constitute provisions of this outline. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply in this outline, however, encourage
Whether the latest versions of these files according to the parties that this outline agreement. For undated references the
, The latest versions apply to this outline.
3 Overview
Instrument for measuring the concentration of dissolved oxygen in water constant (DO), is generally covered by the oxygen electrode, and an electronic display unit
composition.
Technical information and test prototype to be submitted by the applicant 4
4.1 Technical Information
Technical information, including.
a) prototype photos;
b) product standards (including test methods);
c) assembly diagram, schematic diagram and major components;
d) Instructions;
e) research and development unit test report or technical bodies do.
4.2 Experimental Prototype
The applicant should provide their own production prototype. Applicant can apply a single product, you can also press series
Product application. Where the application as a single product, provide three prototype. Press series application, each series production
Extracting one third of representative products in the product specifications; specifications provide the quantity of each experimental prototype, according to the application for a single production
Implementation of the principle of product; according to the above principles, too many, and each may be appropriate to reduce the number of prototypes representative products.
5 legal management requirements
5.1 units of measurement requirements

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