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JJF 1400-2013 English PDF

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US$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1400-2013: Calibration Specification for Time Relay Testers
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1400-2013	439	Add to Cart	4 days	Calibration Specification for Time Relay Testers	Valid

Similar standards

GB/T 3222.1 JJF 1234 JJF 1396 JJF 1402 JJF 1403 JJF 1401

Basic data

Standard ID: JJF 1400-2013 (JJF1400-2013)
Description (Translated English): Calibration Specification for Time Relay Testers
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A57
Classification of International Standard: 17.080
Word Count Estimation: 19,177
Quoted Standard: JJG 180; JJF 1001; JJF 1282-2011
Regulation (derived from): AQSIQ Announcement No. 63 of 2013
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to: Time Relay Tester (hereinafter referred to as tester) calibration.

JJF 1400-2013: Calibration Specification for Time Relay Testers

---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 Time Relay Testers People's Republic of China National Metrology Technical Specifications Time relay tester calibration specification Issued on. 2013-04-27 2013-07-27 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Time relay tester calibration specification TimeRelay Testers Focal point. the National Commission on Time and Frequency Measurement Technology Main drafting unit. Institute of Measurement and Wenzhou Shanghai Measurement and Testing Technology Research Institute Chongqing Institute of Metrology and Quality Inspection Participated in the drafting unit. Xinjiang Institute of Measurement and Testing This specification entrust national time and frequency measurement technical committee responsible for the interpretation The main drafters of this specification. Zhou Xiaohua (Wenzhou City Institute of Measurement) Dong Lin (Shanghai Institute of Measurement and Testing) Zhugui Jun (Chongqing Institute of Metrology and Quality Inspection) Zhu Jian (Wenzhou City Institute of Measurement) Drafters participate. Song Wei (Xinjiang Institute of Measurement and Testing)

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 Overview (1) 4 Metrological characteristics (1) 4.1 Time measurement error (1) 4.2 Crystal (1) 4.3 DC voltage output (2) 4.4 AC voltage output (2) Calibration Condition 5 (2) 5.1 environmental conditions (2) 5.2 standards and other measuring equipment (2) 6 calibration items and calibration methods (3) 6.1 calibration items (3) 6.2 Calibration method (3) 7 Calibration Results The expression (6) 8 Recalibration interval (7) Appendix A calibration record format (8) Appendix B Calibration Certificate page format (10) Appendix C Measurement Uncertainty Example (12)

Introduction

This specification based JJF 1071-2010 "National Calibration Specifications writing rules" establishment. Currently, there is no time relay tester international and domestic standards. This specification reference JJF 1282-2011 "Electronic time relay calibration specification," the relevant technical requirements. The specification for the first time to develop. Time relay tester calibration specification

1 Scope

This instruction applies to relay tester (hereinafter referred to as the tester) calibration. 2. References This specification refers to the following documents. JJG180 electronic measuring instruments within the quartz oscillator JJF 1001 common measurement terms and definitions JJF 1282-2011 electronic time relay calibration specification For dated references, only the dated edition applies to this specification; undated reference documents Member, the latest edition (including any amendments) applies to this specification.

3 Overview

Tester is a device for measuring time relay metrological characteristics. Tester works shown in Figure 1, it is through Often by the voltage output circuit, trigger circuit, time base circuit, timing circuit, the time display circuit. When the voltage output The same time, the trigger circuit, measuring circuit starts counting when the measured time delay relay contact closure (off Open), flip-flop circuit, timing circuit stop the clock, the time display shows the measured circuit relay delay time setting The actual value of time. Figure 1 Schematic tester

4 Metrological characteristics

4.1 Time measurement error In 0.001s ~ 9999.999s range, the maximum permissible error. ± (5 × 10-5T 0.005s), where T is a time measurement value. 4.2 Crystal ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1400-2013_English be delivered?

Answer: Upon your order, we will start to translate JJF 1400-2013_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 1400-2013_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1400-2013_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.