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JJF 1327-2011 English PDF

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JJF 1327-2011: Program of Pattern Evaluation of Ion Meters
Status: Valid

JJF 1327: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1327-2011	English	1159	Add to Cart	7 days [Need to translate]	Program of Pattern Evaluation of Ion Meters	Valid	JJF 1327-2011
JJF 1327-1990	English	199	Add to Cart	2 days [Need to translate]	(0.1 to 30 watts of laser power reference operating technical specifications)	Obsolete	JJF 1327-1990

PDF similar to JJF 1327-2011

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Basic data

Standard ID	JJF 1327-2011 (JJF1327-2011)
Description (Translated English)	Program of Pattern Evaluation of Ion Meters
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A61
Classification of International Standard	17.020
Word Count Estimation	50,510
Date of Issue	2011-11-30
Date of Implementation	2012-03-01
Quoted Standard	JJG 757-2007; GB 4793.1-2007; GB/T 11606-2007
Regulation (derived from)	State Administration of Quality Supervision, Inspection and Quarantine No. 202 of 2011
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to measurement of the electrode potential of the ion in solution ion activity meter type evaluation.

JJF 1327-2011: Program of Pattern Evaluation of Ion Meters

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Program of Pattern Evaluation of Ion Meters People's Republic of China National Metrology Technical Specifications Ion meter type evaluation outline Issued on. 2011-11-30 2012-03-01 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Ion meter type evaluation outline Prog This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on November 30, 2011, and from From March 1, 2012 into effect. Focal point. the National Technical Committee stoichiometric physical Drafting units. China Testing Technology Research Institute YIMT test This specification stoichiometric commissioned National Technical Committee is responsible for the physical interpretation The main drafters of this specification. Zhang Yi (China Testing Technology Research Institute) Shao Zhixin (China Testing Technology Research Institute) Yuan Li (China Testing Technology Research Institute) Zhang Yan (YIMT test)

1 Scope (1) 2. References (1) 3 Overview (1) 4 legal management requirements (1) 4.1 Units of measurement requirements (1) 4.2 accuracy requirements (1) 4.3 legal metrology requirements for marking and identification of measuring instruments (1) 4.4 offers the review of technical documents and test prototypes (2) 5 measurement requirements (2) 5.1 basic error of electronic unit (2) 5.2 Measurement repeatability electronic unit (2) 5.3 input current (2) 5.4 Input impedance (2) 5.5 Temperature compensation error (2) 5.6 Temperature measurement error (2) 5.7 output error (2) 5.8 Stability (3) 5.9 Effect of the supply voltage (3) 5.10 Ambient Temperature Effect (3) 5.11 The basic error of the instrument (3) 5.12 instrument measurement repeatability (3) 6 General Requirements (4) 6.1 Rated operating conditions (4) 6.2 appearance and initial inspection (4) 6.3 electrical safety requirements (4) 6.4 slope regulator range (5) 6.5 Equipotential regulator adjustment range (5) 6.6 Location regulator adjustment range (5) 6.7 Climate requirements (5) 6.8 Mechanical Environmental Requirements (5) 7 type evaluation item list (5) Test conditions and test methods 8 projects (7) 8.1 Legal Requirements Management (7) 8.2 Rated operating conditions, appearance and initial inspection (7) 8.3 Electrical Safety Requirements (7) 8.4 metrological requirements (8) 8.5 General Requirements (18) 9 type evaluation and determination of the results (21) 10 original record format type evaluation (22) Appendix A theoretical slope value of the electrode potential (23) Appendix B shows the input level and activity value conversion table (25) Appendix C input potential activity with the theoretical value table (27) Appendix D Example test solution prepared by standard methods (28) Appendix E ion meter pattern evaluation reference the original record format (32) Ion meter type evaluation outline

1 Scope

This type of evaluation outline is applied to the electrode potential measurement of ion activity in solution ion gauge type evaluation. 2. References JJG757-2007 ion meter GB 4793.1-2007 measurement, control and laboratory safety requirements for electrical equipment - Part 1. General Claim GB/T 11606-2007 analytical instruments environmental test methods This outline document above for applications is essential. For cited documents with dates, only undated Versions apply to this outline. Anyone who does not dated reference documents, the latest edition (including all amendments) fitness Used in this outline.

3 Overview

Ion meter is a device for measuring ion activity in solution electrochemical analytical instruments. Ion meter and measured mainly by the electric meter The amount of the electrode composed of two parts. Electricity meter by the impedance converter, the potential of the amplifier, regulator and display components function measured Electrodes include ion selective electrode and reference electrode. Ion-selective electrodes ion activity in the solution is converted to potential root According to the Nernst equation obtained ion activity in solution. When measured by the ion activity of ions in solution, they are by comparison Measurement, first by measuring the standard solution, ion-selective electrode and reference electrode electromotive force of ions Meter calibration, and then use the same electrical measuring test solution, the electromotive force can be directly displayed as potential (MV) value can also be displayed as ion activity (pX) value or concentration (mol/L, g/L, mol/electric meter after conversion kg) value.

4 legal management requirements

4.1 units of measurement requirements Instruments should be legal units of measurement. 4.2 accuracy requirements Accuracy of the instrument rating shall comply JJG757-2007 "ionization gauge" requirement. 4.3 legal metrological requirements for marking and measuring instruments logo And other significant parts of the instrument panel should be marked on the nameplate or legal metrology marking and measuring instruments identified, marked, numbered And instructions must be clear, solid and reliable. 4.3.1 legal metrology signs generally include the following. a) measurement equipment manufacturing license logo and number (test prototype should be left corresponding position, only domestic instrument); b) measurement equipment type approval mark and number (non-mandatory provisions of this section, may leave the corresponding experimental prototype position).

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