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JJF 1284-2011 English PDF

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Q: Should I purchase the latest version JJF 1284-2011?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1284-2011 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.

US$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1284-2011: Calibration Specification of Calibrators for Electrical Meters
Status: Valid

JJF 1284: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1284-2011	439	Add to Cart	4 days	Calibration Specification of Calibrators for Electrical Meters	Valid
JJF 1284-1990	199	Add to Cart	2 days	O.T.N. for Secondary Standard of Direct Curren Electromotive Force	Obsolete

Similar standards

JJF 1234 JJF 1366 JJG 376 JJF 2000 JJF 1293 JJF 1285

Basic data

Standard ID: JJF 1284-2011 (JJF1284-2011)
Description (Translated English): Calibration Specification of Calibrators for Electrical Meters
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A55
Classification of International Standard: 17.220
Word Count Estimation: 19,195
Date of Issue: 2011-06-14
Date of Implementation: 2011-09-14
Quoted Standard: JJF 1001-1998; JJF 1059-1999; GB/T 13978-2008; GB/T 15637-1995; GB 4793.1-1986; GB 6587.8-1986
Regulation (derived from): AQSIQ Announcement No. 90 of 2011
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to all levels of DC 0. 01 and below 0. 05 and below and exchanges at all levels, with a standard voltage, standard current, standard frequency and AC and DC output DC resistance meter calibrator calibration.

JJF 1284-2011: Calibration Specification of Calibrators for Electrical Meters

---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 of Calibrators for Electrical Meters People's Republic of China National Metrology Technical Specifications AC and DC meter calibrator calibration specification Issued on. 2011-06-14 2011-09-14 implementation The State Administration of Quality Supervision, Inspection and Quarantine released AC and DC meter calibrator calibration specification This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on June 14, 2011, and from From September 14, 2011 into effect. Focal point. the National Technical Committee on Electromagnetic measurement Main drafting unit. Guangxi Institute of measurement testing Heilongjiang Provincial Academy of verification test Henan Institute of Metrology Jiangxi Institute of Metrology Participated in the drafting. Guilin Institute of Metrology With Hunan Electric Control Technology Co., This specification commissioned the National Technical Committee Electromagnetic responsible for the interpretation of measurement The main drafters of this specification. Mo Huarong (Guangxi Institute of measurement detection) Yellow snow (Guangxi Institute of measurement detection) Chang Group (Heilongjiang Provincial Academy of verification test) Chen Qingping (Henan Institute of Metrology) Zeng Yong-Ling (Jiangxi Institute of Measurement and Testing) Drafters participate. Zeng Yong (Guilin Institute of Metrology) Zhou Xinhua (Hunan Electric with Control Technology Co.)

1 Scope (1) 2. References (1) 3 Overview (1) 4 Metrological characteristics (1) 4.1 indication error (1) 4.2 Resolution (1) 4.3 Stability (2) 4.4 ripple content (2) 4.5 Distortion (2) 4.6 Power regulation (2) Load Regulation 4.7 (2) 4.8 Insulation Resistance (2) 4.9 frequency voltage withstand test (2) Calibration Condition 5 (2) 5.1 environmental conditions (2) 5.2 Standard equipment (2) 6 calibration items and calibration methods (3) 6.1 appearance inspection (3) 6.2 energizing check (3) 6.3 Indication error (3) 6.4 Resolution (5) 6.5 Stability (5) 6.6 ripple content (5) 6.7 Distortion (6) 6.8 Power regulation (6) 6.9 Load regulation (7) 6.10 Measurement of insulation resistance (8) 6.11 frequency voltage withstand test (8) 7 Calibration Results The expression (8) 8 Recalibration interval (9) Indication error expressions Appendix A calibrator (10) Appendix B Calibrator Calibration original record format (11) Appendix C Calibrator calibration certificate (within the page) format (13) AC and DC meter calibrator calibration specification

1 Scope

This instruction applies to AC and DC 0.01 and 0.05 the following levels and lower levels, with a standard voltage, Standard current, standard frequency and DC resistance of the output AC and DC meter calibrator (hereinafter referred to as the "calibrator") of calibration. 2. References This specification refers to the following documents. JJF 1001-1998 common measurement terms and definitions JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement GB/T 13978-2008 DMM GB/T 15637-1995 digital multimeter calibrator General technical conditions GB 4793.1-2007 measurement, control and laboratory safety requirements for electrical equipment - Part 1. General Claim GB 6587.8-1986 electronic measuring instruments and power frequency voltage test When using this specification should be taken in the current valid version of the above referenced files.

3 Overview

Calibrator is a versatile standard electrical signal output means, according to the provisions of the accuracy of the output DC voltage, respectively, AC voltage, DC current, AC current, frequency and DC resistance and other signals. Mainly used for correlation detection instrument. Calibrator primarily by the signal generating unit, an amplifier, power supply and protection unit, range unit, AC/DC single Yuan, A/D unit, display unit and standard resistors and other components.

4 Metrological characteristics

4.1 Indication error Indication error expression in Appendix A. When Ax = Am, the division level calibrator accuracy and maximum allowable error Difference in Table 1. Table 1 calibrator accuracy level and the maximum permissible error Accuracy level 0.01 0.02 0.05 0.1 0.2 0.5 The maximum permissible error ± (ab)% ± 0.01% ± 0.02% ± 0.05% ± 0.1% ± 0.2% ± 0.5% 4.2 Resolution Display resolution does not exceed 1/5 of the maximum permissible error range. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1284-2011_English be delivered?

Answer: Upon your order, we will start to translate JJF 1284-2011_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 1284-2011_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1284-2011_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.

Question 5: Should I purchase the latest version JJF 1284-2011?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1284-2011 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.