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JJF 2001-2022 English PDF

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US$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 2001-2022: Calibration Specification for Triple-frequency Generators
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 2001-2022	359	Add to Cart	4 days	Calibration Specification for Triple-frequency Generators	Valid

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Basic data

Standard ID: JJF 2001-2022 (JJF2001-2022)
Description (Translated English): Calibration Specification for Triple-frequency Generators
Sector / Industry: Metrology & Measurement Industry Standard
Word Count Estimation: 18,127
Date of Issue: 2022-12-07
Date of Implementation: 2023-06-07
Issuing agency(ies): State Administration for Market Regulation

JJF 2001-2022: Calibration Specification for Triple-frequency Generators

---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 Frequency Triple Generator Calibration Specifications Released on 2022-12-07 2023-06-07 Implementation Released by the State Administration for Market Regulation Frequency Triple Generator Calibration Specifications Triple-frequency Generators Responsible Unit. High Voltage Metrology Sub-Technical Committee of National Electromagnetic Metrology Technical Committee Main drafting unit. Henan Institute of Metrology National High Voltage Metering Station Participating in the drafting unit. State Grid Tianjin Comprehensive Energy Service Co., Ltd. State Grid Chongqing Electric Power Company Marketing Service Center State Grid Shandong Electric Power Company Electric Power Research Institute This specification entrusts the National Electromagnetic Metrology Technical Committee High Voltage Metrology Sub-Technical Committee to be responsible for interpretation The main drafters of this specification. Zhou Bingshi (Henan Institute of Metrology) Hou Yonghui (Henan Institute of Metrology) Wang Siqi (National High Voltage Metering Station) Li Lan (Henan Institute of Metrology) Participating drafters. Lu Xin (State Grid Tianjin Comprehensive Energy Service Co., Ltd.) Wu Hua (Marketing Service Center of State Grid Chongqing Electric Power Company) Zhang Weiwei (Electric Power Research Institute of State Grid Shandong Electric Power Company)

Introduction (Ⅱ) 1 Scope(1) 2 References(1) 3 terms(1) 4 Overview(1) 5 Metrological characteristics(1) 5.1 Output voltage(1) 5.2 Output frequency(2) 5.3 Time(2) 5.4 Output voltage crest factor(2) 6 Calibration conditions(2) 6.1 Environmental conditions (2) 6.2 Measuring standards and other equipment (2) 7 Calibration Items and Calibration Methods(3) 7.1 Calibration items(3) 7.2 Calibration method(3) 8 Calibration result expression(6) 9 Recalibration interval(6) Appendix A Evaluation of Measurement Uncertainty of Triple Frequency Generator Output Voltage (7) Appendix B Calibration Raw Record Format(10) Appendix C Calibration Certificate (Report) Inner Page Format (12)

Introduction

JJF 1071-2010 "Rules for Compilation of National Metrology Calibration Standards", JJF 1001-2011 "General Metrology Terminology and "Definition" and JJF 1059.1-2012 "Assessment and Expression of Measurement Uncertainty" together constitute the support for the formulation of this calibration specification A foundational set of specifications for work. This specification is published for the first time. Frequency Triple Generator Calibration Specifications

1 Scope

This specification applies to the calibration of triple frequency generators with an output frequency of 150Hz and an output voltage of 1kV or below.

2 References

This specification references the following documents. GB/T 13978-2008 Digital Multimeter GB/T 16927.1-2011 High Voltage Test Technology Part 1.General Definitions and Test Requirements DL/T 848.4-2019 General Specifications for High Voltage Test Devices Part 4.Triple Frequency Test Transformer device For dated references, only the dated version applies to this specification; for undated references document, its latest version (including all amendments) applies to this specification.

3 terms

Crest factor crestfactor The ratio of the peak value of a periodic waveform to its rms value.

4 Overview

The frequency tripler generator (hereinafter referred to as "generator") is mainly composed of frequency tripler transformer, voltage regulating transformer device, control It is composed of protection and measurement units, whose input end is a three-phase 50Hz power frequency power supply, and the output end is a single-phase 150Hz three times frequency power supply. The schematic diagram of the generator is shown in Figure 1. Figure 1 Schematic diagram of the generator

5 Metrological characteristics

5.1 Output voltage The output voltage range is 10V~1000V; ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 2001-2022_English be delivered?

Answer: Upon your order, we will start to translate JJF 2001-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 2001-2022_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 2001-2022_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.