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JJF 2058-2023 English PDF

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US$619.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 2058-2023: Calibration Specification for Environment Parameters of Constant Temperature and Humidity Laboratories
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 2058-2023	619	Add to Cart	5 days	Calibration Specification for Environment Parameters of Constant Temperature and Humidity Laboratories	Valid

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Basic data

Standard ID: JJF 2058-2023 (JJF2058-2023)
Description (Translated English): Calibration Specification for Environment Parameters of Constant Temperature and Humidity Laboratories
Sector / Industry: Metrology & Measurement Industry Standard
Word Count Estimation: 30,349
Date of Issue: 2023-06-30
Date of Implementation: 2023-12-30
Issuing agency(ies): State Administration for Market Regulation

JJF 2058-2023: Calibration Specification for Environment Parameters of Constant Temperature and Humidity Laboratories

---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.
National Metrology Technical Specifications of the People's Republic of China Calibration specifications for constant temperature and humidity laboratory environmental parameters Published on 2023-06-30 Implemented on 2023-12-30 Released by the State Administration for Market Regulation Calibration specifications for constant temperature and humidity laboratory environmental parameters Responsible unit. National Thermometry Technical Committee Main drafting unit. Zhejiang Institute of Metrology Zhejiang Founder Calibration Co., Ltd. Anhui Institute of Metrology Participating units in the drafting. China Institute of Metrology Tai'an Panran Measurement and Control Technology Co., Ltd. Nanjing Development Technology Co., Ltd. Hengtai Lianying (Tianjin) Technology Co., Ltd. The National Thermometry Technical Committee is entrusted with the interpretation of this specification. The main drafters of this specification. Cui Chao (Zhejiang Institute of Metrology) Xiong Yuting (Zhejiang Founder Calibration Co., Ltd.) He Xiaohui (Anhui Institute of Metrology) Participating drafters. Jin Zhijun (China Institute of Metrology) Xu Zhenzhen (Taian Panran Measurement and Control Technology Co., Ltd.) Huang Sen (Nanjing Development Technology Co., Ltd.) Ji Tong [Hengtai Lianying (Tianjin) Technology Co., Ltd.]

Introduction(Ⅱ) 1 Scope(1) 2 Cited documents(1) 3 terms(1) 4 Overview(3) 5 Measuring characteristics(3) 6 Calibration conditions(3) 6.1 Environmental conditions(3) 6.2 Calibration status(3) 6.3 Measurement standards and other equipment(3) 7 Calibration items and calibration methods (4) 7.1 Calibration items (4) 7.2 Calibration of temperature and humidity (4) 7.3 Measurement of illuminance(6) 7.4 Measurement of wind speed(6) 7.5 Measurement of noise(6) 7.6 Measurement of static pressure difference(7) 7.7 Measurement of air cleanliness level(7) 7.8 Data processing(8) 8 Calibration result expression(11) 9 Re-schooling time interval(11) Appendix A Reference format for calibration records of constant temperature and humidity laboratory environmental parameters (12) Appendix B Reference format of inner pages of constant temperature and humidity laboratory environmental parameter calibration certificate (15) Appendix C Example of the layout of temperature and humidity measurement points in a constant temperature and humidity laboratory (16) Appendix D 30min and 24h temperature and humidity stability calculation method (19) Appendix E Example of uncertainty assessment of temperature and humidity deviation calibration results in constant temperature and humidity laboratory (21)

Introduction

JJF 1001-2011 "General Measurement Terms and Definitions", JJF 1071-2010 "Compilation of National Measurement Calibration Specifications" Rules" and JJF 1059.1-2012 "Evaluation and Expression of Measurement Uncertainty" jointly form the basis for formulating this specification Series specifications. This specification is released for the first time. Calibration specifications for constant temperature and humidity laboratory environmental parameters

1 Scope

This specification is applicable to the temperature and humidity of constant temperature and humidity laboratories with a temperature of (15~30)℃ and a relative humidity of (30~80)%. Calibration of environmental parameters such as humidity, illumination, wind speed, noise, static pressure difference and air cleanliness level.

2 cited documents

This specification references the following documents. JJF 1101-2019 Specification for calibration of temperature and humidity parameters of environmental test equipment GB/T 5700-2008 Lighting measurement methods GB/T 25915.1-2010 Clean rooms and related controlled environments Part 1.Air cleanliness levels GB 50073-2013 Clean workshop design specifications GB 50243-2016 Specifications for Construction Quality Acceptance of Ventilation and Air Conditioning Projects GB 50591-2010 Clean room acceptance and construction specifications GB 51110-2015 Clean workshop construction and quality acceptance specifications For dated references, only the dated version applies to this specification; for undated references, only the dated edition applies. The latest version (including all modification orders) shall apply to this specification.

3 terms

The following terms and definitions as defined in JJF 1001-2011 and the above referenced documents apply to this specification. Provide one or more environmental parameters, including but not limited to constant temperature, constant humidity and other environmental parameters Number of laboratories. [Source. JJF 1101-2019, 3.1, with modifications] 3.2 workingspace workingspace A laboratory designed to maintain specified temperature, humidity or other parameters within a specified deviation range. [Source. JJF 1101-2019, 3.2, with modifications] The temperature, humidity or other parameter changes at any point in the laboratory workspace meet the laboratory's own performance indicators status when requested. [Source. JJF 1101-2019, 3.3, modified] 3.4 Temperature deviation temperaturedeviation Under the steady state of the laboratory, the maximum and minimum temperatures measured at each measurement point in the workspace within the specified time are consistent with the equipment. The upper and lower deviation of the fixed temperature. Note. Temperature deviation includes upper temperature deviation and lower temperature deviation. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 2058-2023_English be delivered?

Answer: Upon your order, we will start to translate JJF 2058-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 2058-2023_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 2058-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.