JJF 1572-2016 English PDF

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JJF 1572-2016: Calibration Specification for Radiation Fluxmeters
Status: Valid

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JJF 1572-2016	399	Add to Cart	4 days	Calibration Specification for Radiation Fluxmeters	Valid

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Basic data

Standard ID: JJF 1572-2016 (JJF1572-2016)
Description (Translated English): Calibration Specification for Radiation Fluxmeters
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A60
Classification of International Standard: 17.180
Word Count Estimation: 17,154
Date of Issue: 2016-06-27
Date of Implementation: 2016-09-27
Quoted Standard: GB/T 18204.1
Regulation (derived from): Notice of the General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China 2016 No.16
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard is applicable to the calibration of the radiance parameters of the radiometer in the range of (0.1 ~ 2) kW/m ^ 2. Calibration of the radiometric parameters of other measuring ranges can be carried out according to this standard.

JJF 1572-2016: Calibration Specification for Radiation Fluxmeters

---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.
Calibration Specification for Radiation Fluxmeters National Metrological Technical Code of the People's Republic of China Radiometer calibration specification 2016-06-27 released 2016-09-27 implementation State Administration of Quality Supervision, Inspection and Quarantine issued Radiometer calibration specification Coordinate unit. National Committee for Optical Metrology The main drafting unit. Shanghai Institute of Metrology and Testing Technology China Institute of Metrology China Testing Technology Research Institute Participated in the drafting unit. Zhejiang Institute of Metrology Shaanxi Institute of Metrology This specification entrusts the National Committee for Optical Metrology to explain The main drafters of this specification. Xia Ming (Shanghai Institute of Metrology and Testing Technology) Deng Yuqiang (China Institute of Metrology) Chen Xiaoxiao (China Test Technology Research Institute) Participate in the drafters. Gao Jianqiang (Shanghai Institute of Metrology and Testing Technology) Ma Yao (Zhejiang Institute of Metrology) Li Yi (Shaanxi Institute of Metrology)

table of Contents

Introduction (II) 1 Scope (1) 2 References (1) 3 Overview (1) 4 Measurement performance requirements (1) 4.1 Zero drift (1) 4.2 The relative value of the irradiance error (1) 5 Calibration conditions (2) 5.1 Environmental conditions (2) 5.2 Measurement standards and other equipment (2) 6 Calibration items and calibration methods (2) 6.1 Calibration items (2) 6.2 Calibration method (2) 7 Calibration results (3) 8 Recurrence interval (4) Appendix A Reference light source Working distance Irradiation unevenness and instability index evaluation Recommended method (5) Appendix B Radiometer Calibration Original Record Recommended Format (6) Appendix C Radiometer Calibration Certificate Page Recommended Format (8) Appendix D Examples of Uncertainty Evaluation of Radiometer Measurements (9)

Introduction

JJF 1001 "General Metrology Terms and Definitions", JJF 1032 "Terminology and Definitions of Optical Radiometry" JJF 1059.1 "Measurement Uncertainty Assessment and Representation" and JJF 1071 "National Measurement Calibration Rules" Constitute the basic norms to support the development of this specification. This specification is the first release. Radiometer calibration specification

1 Scope

This specification is applicable to the calibration of radiant calorimeter irradiance parameters in the range of (0.1 to 2) kW/m2. The calibration of the radiant calorimeter of the measurement range can be performed with reference to this specification.

2 reference file

This specification refers to the following documents. Methods of hygienic testing in public places - Part 1. Physical factors GB/T 18204.1 For dated references, only the dated edition applies to this specification; references that are not dated , The latest version (including all modifications) applies to this specification.

3 Overview

Radiometer is mainly used in public places and labor hygiene, heating and ventilation, building energy and other areas of radiant heat measuring. Radiometer is usually composed of radiation probe, signal processing unit and reading display unit, shown in Figure 1, Wherein the radiation probe is composed of an alternating absorption layer and a reflective layer, a sensor, a heat sink substrate and the like. Figure 1 Schematic diagram of a radiant heat meter Radiation heaters work is the principle of radiation in the radiation, the radiation absorption layer of radiation absorption heat after the temperature rise High, so that the sensor produces an electrical response. Absorption layer spectral response flat, almost absorb all the radiant heat; and reflective layer Almost no absorption of any radiant heat, the sensor generated by the electromotive force is almost zero. The absorbent layer is produced with a sensor for the reflective layer The electrical response can be compared with the heat sink base can eliminate the background temperature changes generated by the impact of electrical response, the radiation heat The generated electrical response is processed by the signal processing unit and the reading is displayed by the reading display unit, and the unit of measurement Often W/m2 or kW/m2.

4 Measurement performance requirements

4.1 Zero drift When the radiometric value of the radiometer is zero, the maximum drift of the zero point within 5 minutes does not exceed ± 1% of full scale. 4.2 The relative value of the irradiance error Radiometer heat irradiance relative to the indication error of not more than ± 10%. ......

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