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JJG 863-2005 English PDF

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JJG 863-2005: Verification Regulation of V-prism Refractometer
Status: Valid

JJG 863: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 863-2005	English	649	Add to Cart	5 days [Need to translate]	Verification Regulation of V-prism Refractometer	Valid	JJG 863-2005
JJG 863-1994	English	319	Add to Cart	3 days [Need to translate]	Verification Regulation of V-Prism Refractormeter	Obsolete	JJG 863-1994

PDF similar to JJG 863-2005

Standard similar to JJG 863-2005

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Basic data

Standard ID	JJG 863-2005 (JJG863-2005)
Description (Translated English)	Verification Regulation of V-prism Refractometer
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A60
Classification of International Standard	17.180
Word Count Estimation	25,221
Date of Issue	2005-03-03
Date of Implementation	2005-09-03
Older Standard (superseded by this standard)	JJG 863-1994
Issuing agency(ies)	State Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to V-prism refractometer initial verification, testing and use of follow-up inspection. V-prism refractometer shape identification, prototype testing requirements relating to metrological performance can refer to this procedure performed.

JJG 863-2005: Verification Regulation of V-prism Refractometer

---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 V-prism Refractometer National Metrology Verification Regulations of the People's Republic V prism refractometer Released on.2005-03-03 2005-09-03 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued Replace JJG 863-1994 This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on March 3,.2005, and It will take effect on September 3,.2005. Focal Point. National Optical Metrology Technical Committee Drafted by. China Institute of Metrology This procedure entrusts the National Optical Metrology Technical Committee to explain Drafters of this procedure. Liu Wenli (China Institute of Metrology) Yang Lei (China Institute of Metrology) Ma Zhenya (China Institute of Metrology)

1 Scope (1) 2 Overview (1) 3 Metrological performance requirements (3) 3.1 Differential measurement system line difference (3) 3.2 The micro-measurement of the micro-reading system (3) 3.3 Correction block 90° angular error (3) 3.4 V prism two-pass light end face parallel difference and V-shaped groove 90 ° angle error (3) 3.5 refractive index measurement error (3) 3.6 Refractive index measurement repeatability (3) 4 General technical requirements (3) 4.1 Appearance (3) 4.2 Instrument Accessories (3) 4.3 Optical System Imaging Quality (3) 4.4 Parallax (4) 4.5 Parallel difference (4) 5 measuring instrument control (4) 5.1 Verification conditions (4) 5.2 Verification project (4) 5.3 Verification method (4) 5.4 Processing of verification results (8) 5.5 Verification cycle (8) Appendix A Refractive Index and Preparation Method of Common Refraction Fluid (9) Appendix B Micrometer reading system line difference verification record and calculation example (10) Appendix C Example of the idle test record and calculation of the micrometric reading system (11) Appendix DV Prism Refractometer Calibration Record Format (12) Appendix EV prism refractometer verification certificate, verification result notice page format (17) Appendix F Example of Measurement Uncertainty Evaluation of Verification Results (18) V prism refractometer verification procedure

1 Scope

This procedure applies to the first verification, subsequent verification and in-use inspection of the V-prism refractometer. V prism refractometer The requirements for the relevant metrological performance in the type identification and prototype test can be carried out with reference to this regulation.

2 Overview

The V prism refractometer (hereinafter referred to as the refractometer) uses a vertical precision goniometer to measure the refractive index by the V prism method. An instrument. The measurement principle of the refractive index measured by the V prism method is shown in Fig. 1. Figure 1 V prism method to measure the refractive index 1-V prism; 2-sample to be tested The V prism is a rectangular prism with a "V" shaped notch. The two materials are identical and have a refractive index. The right angle prism of n0 is glued together, the opening angle of the V-shaped notch is ∠AED=90°, and the angle of the two sharp edges is ∠BAE= ∠CDE=45°. The measured sample is ground out to form two planes of 90° in the V-shaped notch, due to sample angle processing The error, there will be a gap between the two faces of the sample to be tested and the two faces of the V-shaped notch, and some need to be filled in the middle A liquid having a refractive index close to that of the sample to be measured becomes a refractive liquid. The effect of the refraction fluid is even if the sample is processed at a 90° angle Inaccurate, plus the refractive fluid, approximates an accurate 90° angle, and prevents the light from being completely reversed at the interface. Shoot. Vertically entering the AB plane of the V prism with a monochromatic parallel light, if the refractive index n of the sample to be measured and the known V prism The refractive index n0 is the same, then the entire V prism plus the sample to be tested is like a parallel flat glass, the light is in two There is no deflection on the contact surface, and the final outgoing light will not be deflected. If the refractive indices of the two are not equal, then The light is deflected on the contact surface, and the final outgoing light has a deflection angle θ with respect to the incident light. The magnitude of the angle θ is related to the refractive index n of the sample to be tested. The V prism method is to accurately measure the value of the deflection angle θ,

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