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RB/T 143-2018: Guidance for intermediate checks of chemical testing instrument and equipment
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RB/T 143-2018: Guidance for intermediate checks of chemical testing instrument and equipment

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Guidance for intermediate checks of chemical testing instrument and equipment ICS 03.120.20 A00 People's Republic of China certification and recognition of industry standards Guide to verification of laboratory chemical testing equipment Published on.2018-06-04 2018-12-01 implementation China National Certification and Accreditation Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Shandong Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Shandong Institute of Metrology, Qingdao Food Medicine Product Inspection Institute, Qingdao Hua Testing Technology Co., Ltd., Nuoan Testing Service (Qingdao) Co., Ltd., SGS standard technical services Limited company, Shantou Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Wang Manxia, He Fei, Lei Wenwen, Hu Dongqing, Xu Aihua, Gao Yuanjiao, Ma Weixing, Liu Peihai, Cao Wenqing, Wu Qianxi, Zhou Jiaming, Fu Meng, Dai Jianhua, Zhao Huamei, Cai Ying, Lin Chao, Tao Lin. Guide to verification of laboratory chemical testing equipment

1 Scope

This standard provides guidelines for verifying the calibration/calibration status of chemical testing equipment during laboratory use. This standard applies to the periodical verification conducted by various laboratories to maintain the reliability of the calibration/calibration status of chemical testing equipment. The period of inspection of other instruments in the laboratory can be used for reference.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T.20000.1 Standardization Work Guide Part 1. General terms for standardization and related activities General requirements for GB/T 27025 testing and calibration laboratory capabilities JJF1001-2011 General Measurement Terms and Definitions JJF1033-2016 measurement standard assessment specification

3 Terms and definitions

The following terms and definitions as defined in GB/T.20000.1 and GB/T 27025 apply to this document. 3.1 Checking intermediatechecks during the period Verification of the instrument's verification/calibration status during the two calibrations/calibrations. 3.2 Calibration calibration The first step in a set of operations under specified conditions is to determine the relationship between the magnitude provided by the measurement standard and the corresponding indication. This information is used to determine the relationship between the measured results obtained by the indications. The measured values provided by the measurement standards and the corresponding indications are not accurately measured. Degree. [JJF1001-2011, definition 4.10] 3.3 Verification verification An activity to ascertain and confirm the compliance of a measuring instrument with statutory requirements, which includes inspection, marking and/or issuing a certificate of verification. [JJF1001-2011, definition 9.17] 3.4 Measurement standard (also known as measurement standard) measurementstandard With a determined magnitude and associated measurement uncertainty, a reference object defined by a given amount is achieved. [JJF1033-2016, definition 3.1] 3.5 Verification standard checkstandard A reference object used to routinely verify the performance of a measuring instrument or measuring system. ...