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JJG 601-2022 English PDF

US$329.00 · In stock
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JJG 601-2022: Time Calibrators
Status: Valid

JJG 601: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 601-2022English329 Add to Cart 3 days [Need to translate] Time Calibrators Valid JJG 601-2022
JJG 601-2003English519 Add to Cart 3 days [Need to translate] Verification Regulation of Time Interval Generator Obsolete JJG 601-2003
JJG 601-1989English279 Add to Cart 3 days [Need to translate] Verification Regulation of Electronic Millisecondmeter Calibrator and Stopwatch Calibrator Obsolete JJG 601-1989

Standard similar to JJG 601-2022

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Basic data

Standard ID JJG 601-2022 (JJG601-2022)
Description (Translated English) Time Calibrators
Sector / Industry Metrology & Measurement Industry Standard
Word Count Estimation 15,133
Date of Issue 2022-09-26
Date of Implementation 2023-03-26
Issuing agency(ies) State Administration for Market Regulation

JJG 601-2022: Time Calibrators

---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.
Time Calibrators National Metrology Verification Regulations of the People's Republic of China time tester Released on 2022-09-26 2023-03-26 Implementation Released by the State Administration for Market Regulation Time Calibration Instrument Verification Regulations Replace JJG 601-2003 Responsible unit. National Time Frequency Metrology Technical Committee Main drafting unit. Liaoning Institute of Metrology Participating in the drafting unit. Shandong Institute of Metrology Guizhou Institute of Metrology and Testing Shijiazhuang Shuying Instrument Co., Ltd. Dalian Institute of Metrology, Inspection and Testing Co., Ltd. This regulation entrusts the National Time-Frequency Metrology Technical Committee to be responsible for interpretation The main drafters of this regulation. Jin Yuehong (Liaoning Institute of Metrology) Hao Song (Liaoning Institute of Metrology) Yan Ming (Liaoning Institute of Metrology) Participating drafters. Li Wenqiang (Shandong Institute of Metrology) Longbo (Guizhou Metrology and Testing Institute) Feng Wei (Shijiazhuang Shuying Instrument Co., Ltd.) Zhao Xiaojun (Dalian Institute of Metrology, Inspection and Testing Co., Ltd.)

Table of contents

Introduction (Ⅱ) 1 Scope(1) 2 References(1) 3 Overview(1) 4 Metrological performance requirements (2) 4.1 Built-in Time Base Oscillator(2) 4.2 Time interval(2) 5 General technical requirements (2) 6 Measuring Instrument Control(2) 6.1 Test conditions (3) 6.2 Verification items and verification methods (3) 6.3 Processing of verification results (6) 6.4 Verification cycle (6) Appendix A Time Calibration Instrument Verification Record Data Page Format (7) Appendix B Time Calibration Instrument Calibration Certificate Inner Page Format (8) Appendix C Format of the inner page of the notification of the test result of the time tester (9)

Introduction

JJF1001-2011 "General Metrology Terms and Definitions", JJF1002-2010 "National Metrology Verification Regulations Compilation" "Rules" together constitute a basic series of specifications that support the formulation and revision of calibration specifications. Compared with JJG 601-2003, except for editorial modifications, the main technical changes of this specification are as follows. --- Clarified the time interval measurement range; ---Introduction and reference documents have been added; ---Deleted the content related to the electronic millisecond meter calibrator; --- Improve the general technical requirements, measurement performance requirements and control content of measuring instruments; ---Increase the verification record format and the inner page format of the verification result notification; --- Added the block diagram of the time calibrator. The release status of previous versions of this regulation is as follows. ---JJG 601-2003; ---JJG 601-1989. Time Calibration Instrument Verification Regulations

1 Scope

This regulation is applicable to the first verification, follow-up verification and Check in use.

2 References

This procedure references the following documents. JJG 180 Quartz crystal oscillator in electronic measuring instrument For dated references, only the dated version applies to this regulation; for undated references document, its latest version (including all amendments) applies to this regulation.

3 Overview

The time verification instrument (also known as the stopwatch verification instrument) is a multifunctional and comprehensive time verification device, which can produce One or more standard time interval signals for testing mechanical stopwatches, electronic stopwatches, analog electric stopwatches, digital Electric stopwatch, etc. Fig.1 Schematic block diagram of time calibrator The time calibration instrument generally consists of a clock circuit, a clock conversion circuit, a control display unit, a time generation unit and a fixture composition. The time generation unit generally includes mechanical stopwatch and electronic stopwatch time generation unit, analog electric stopwatch time generation unit The synthesizing unit and the digital electric stopwatch time generating unit can generate one or more types of standard time interval signals. remove

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 601-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.