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JJG 495-2006 English PDF

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JJG 495-2006: Verification Regulation of DC Magnetoelectric Galvanometers
Status: Valid

JJG 495: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 495-2006	English	599	Add to Cart	4 days [Need to translate]	Verification Regulation of DC Magnetoelectric Galvanometers	Valid	JJG 495-2006
JJG 495-1987	English	479	Add to Cart	4 days [Need to translate]	Verification Regulation of the DC Magnetoelectric Galvanometer	Obsolete	JJG 495-1987

PDF similar to JJG 495-2006

Standard similar to JJG 495-2006

JJF 1234 JJG 229 JJG 376 JJG 892 JJG 843 JJG 496

Basic data

Standard ID	JJG 495-2006 (JJG495-2006)
Description (Translated English)	Verification Regulation of DC Magnetoelectric Galvanometers
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A55
Classification of International Standard	17.220
Word Count Estimation	23,221
Date of Issue	2006-12-08
Date of Implementation	2007-06-08
Older Standard (superseded by this standard)	JJG 495-1987
Quoted Standard	AQSIQ Announcement No. 187 of 2006
Regulation (derived from)	AQSIQ Announcement No. 187 2006
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to the DC magnetic lines galvanometer verification procedures for DC magnetic lines of the galvanometer (hereinafter referred to as the galvanometer) of the initial verification, testing and use of follow-up inspection. This procedure does not apply to: a) the measurement process does not directly by the position of the movable part of galvanometer readings, such as optical zoom galvanometer, electronic amplification galvanometer and optical recorder galvanometer, b) attached measuring device dedicated galvanometer, c) energy constant is less than 1 �� 10 ^ (-16) Ws/mm galvanometer, d) oscillation periods less than 0. 5s galvanometer.

JJG 495-2006: Verification Regulation of DC Magnetoelectric Galvanometers

---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.
Verification Regulation of DC Magnetoelectric Galvanometers National Metrology Verification Regulations of the People's Republic DC magnetoelectric galvanometer Released on.2006-12-08 2007-06-08 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued DC magnetoelectric galvanometer verification procedure DCMag Replace JJG 495-1987 This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on December 8,.2006, and It will take effect on June 8,.2007. Focal Point. National Electromagnetic Measurement Technical Committee Main drafting unit. Shanghai Institute of Metrology and Testing Technology Participated in the drafting unit. Shanghai Precision Scientific Instrument Co., Ltd. This procedure entrusts the National Electromagnetic Measurement Technical Committee to explain The main drafters of this procedure. Yan Yanliang (Shanghai Institute of Metrology and Testing Technology) Shi Xiaotao (Shanghai Institute of Metrology and Testing Technology) Xu Feng (Shanghai Institute of Metrology and Testing Technology) Participate in the drafters. Deng Zhongkang (Shanghai Precision Scientific Instrument Co., Ltd.)

1 Scope (1) 2 Citations (1) 3 terms (1) 4 Overview (2) 5 Metrological performance requirements (2) 5.1 Zero level (the indicator does not return to zero) (2) 5.2 Zero Adjuster (2) 5.3 Tilting effects (2) 5.4 Polarity (3) 5.5 Current division value or current constant (3) 5.6 Uniformity (3) 5.7 symmetry (3) 5.8 Consistency (4) 5.9 Damping time (4) 5.10 Free oscillation period (4) 5.11 External Critical Resistance (4) 5.12 Internal resistance (4) 5.13 Effect of magnetic shunt on zero position (4) 5.14 maximum sweep (5) 6 General technical requirements (5) 6.1 Appearance and logo (5) 6.2 Insulation resistance (5) 6.3 Dielectric strength (5) 7 measuring instrument control (6) 7.1 Verification conditions (6) 7.2 Verification project (7) 7.3 Verification method (7) 7.4 Processing of verification results (12) 7.5 Verification cycle (12) Appendix A Inductive Method to Measure the Power Grading Value or the Electricity Constant Flux Grading Value or Magnetic Normal Number (13) Appendix B DC magnetoelectric galvanometer original recording format (15) Appendix C Format of verification certificate and verification result page (17) DC magnetoelectric galvanometer verification procedure

1 Scope

DC magnetoelectric galvanometer calibration procedure is applicable to the first inspection of DC magnetoelectric galvanometer (hereinafter referred to as galvanometer) Determination, follow-up verification and in-use inspection. This procedure does not apply to. a) A galvanometer that does not directly read the position of the movable part during the measurement process, such as an opto-amplifier galvanometer, electricity Sub-amplifier galvanometer and optical recorder galvanometer; b) a dedicated galvanometer attached to the measuring device; c) a galvanometer with an energy constant of less than 1 x 10-16 W·s/mm; d) A galvanometer with an oscillation period of less than 0.5 s.

2 Citations

This procedure refers to the following documents JJF1059-1999 "Measurement and Expression of Measurement Uncertainty" GB/T 13743-1992 "DC magnetoelectric galvanometer" When using this procedure, care should be taken to use the current valid version of the above cited documents.

3 terms

3.1 Current division value The galvanometer in the scale is the current value (ampere/divided) expressed per unit of index. 3.2 Power division value The galvanometer in the scale is the value of the electricity expressed per unit of division (library/division). 3.3 Flux graduation value The galvanometer value (Wei/division) expressed per unit of indexing. 3.4 Current constant Scale-scale galvanometer, the distance between the scale and the movable mirror is equal to 1m, expressed in mm Current value (A/mm). 3.5 Electricity constant Scale-scale galvanometer, the distance between the scale and the movable mirror is equal to 1m, expressed in mm Electricity value (C/mm). 3.6 Magnetic normal number Scale-scale galvanometer, the distance between the scale and the movable mirror is equal to 1m, expressed in mm Magnetic flux value (Wb/mm). 3.7 maximum plunder A galvanometer with an adjustable magnetic shunt, when the magnetic shunt is introduced, the working state of the galvanometer measuring mechanism may be owed

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