GOST R 8.763-2011

Group T84.1

NATIONAL STANDARD OF THE RUSSIAN FEDERATION

State system for ensuring the uniformity of measurements

STATE VERIFICATION SCHEME FOR MEANS OF MEASURING LENGTH IN THE RANGE FROM 1·10 TO 50 m AND WAVELENGTHS IN THE RANGE FROM 0.2 TO 50 µm

State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of length in the range from 1·10 to 50 m and wavelength in the range from 0.2 to 50 m

OKS 17.020
17.040.01
OKSTU 0008

Date of introduction 2013-01-01

Preface

The goals and principles of standardization in the Russian Federation are established by Federal Law of December 27, 2002 N 184-FZ "On Technical Regulation", and the rules for applying national standards of the Russian Federation are GOST R 1.0-2004 "Standardization in the Russian Federation. Basic Provisions"

Standard information

1 DEVELOPED by the Federal State Unitary Enterprise "All-Russian Research Institute of Metrology named after D.I. Mendeleev" (FSUE "VNIIM named after D.I. Mendeleev") of the Federal Agency for Technical Regulation and Metrology

2 INTRODUCED by the Metrology Department of the Federal Agency for Technical Regulation and Metrology

3 APPROVED AND ENTERED INTO EFFECT by Order of the Federal Agency for Technical Regulation and Metrology dated December 13, 2011 N 1094-st

4 INTRODUCED FOR THE FIRST TIME


Information about changes to this standard is published in the annually published information index "National Standards", and the text of changes and amendments is published in the monthly published information index "National Standards". In case of revision (replacement) or cancellation of this standard, the corresponding notice will be published in the monthly published information index "National Standards". Relevant information, notifications and texts are also posted in the public information system - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet


This standard applies to the state verification scheme for measuring instruments of length in the range from 1·10 to 50 m and wavelengths in the range from 0.2 to 50 microns (hereinafter referred to as the state verification scheme) and establishes the procedure for transferring a unit of length from the state primary standard of the unit length - meter (hereinafter referred to as the state primary standard) to working measuring instruments using secondary and working standards indicating errors and basic verification methods.

The state verification scheme consists of four parts:

part 1. Radiation sources and wavelength measuring instruments [Figure A.1 (Appendix A)];

part 2. Line length measures and displacement meters [Figure B.1 (Appendix B)];

part 3. Plane-parallel end measures [Figure B.1 (Appendix B)];

part 4. Displacement meters, relief measures and microscopes in the nanorange [Figure D.1 (Appendix D)].

1 State primary standard

The state primary standard is a complex that includes the following measuring instruments:

- source of reference radiation - laser stabilized along the saturated absorption line in molecular iodine - 127;

- installation for measuring the difference in frequencies of laser radiation sources;

- universal interference meter comparator;

- laser interference thirty-meter comparator;

- laser interference comparator for length measurements in the submicron and nanorange;

- heterodyne interferometer.

The nominal wavelength at which a unit is reproduced is 0.633 µm.

The state primary standard ensures the reproduction of a unit with a standard deviation of the measurement result not exceeding 5.6·10 with 100 independent measurements.

The non-excluded systematic error does not exceed 2.2·10.

The state primary standard is used to transfer a unit of length to secondary and working standards by the method of direct measurements and the comparison method using a comparator and comparison measures.

2 Secondary standards

2.1 Secondary standards of the 1st part

2.1.1 Frequency-stabilized lasers in the wavelength range from 0.4 to 11 µm are used as secondary standards.

2.1.2 The standard deviations of the total error of the results of comparisons of secondary (working) standards with the state primary standard with 100 independent measurements range from 1·10 to 1·10.

2.1.3 Secondary (working) standards are used to transfer a unit of length to working standards of the 1st and 2nd digits using the comparison method using a comparator and the direct measurement method, as well as working measuring instruments - frequency-stabilized continuous radiation lasers using the comparison method using a comparator .

2.2 Secondary standards 2 parts

2.2.1 Interference installations are used as copy standards for checking line length measures in the range from 0.001 to 1000 mm.

2.2.2 Standard deviations of the total error of the results of comparisons of copy standards with the state primary standard should not exceed (0.02+0.04) microns, where is the length, m.

2.2.3 Copy standards are used for checking working standards of the 1st category - line length measures, diffraction holographic length measures, as well as working measuring instruments - linear displacement meters using the direct measurement method.

2.2.4 Line length measures and installations for checking line length measures in the range from 0.1 to 1000 mm are used as secondary (working) standards.

2.2.5 Confidence limits of absolute errors at a confidence probability of 0.99 range from ±(0.03+0.1) to ±(0.05+0.1) microns, where is the length in meters.

2.2.6 Secondary standards are used for verification of working standards of the 1st category - line length measures, diffraction holographic length measures by the method of direct measurements and the comparison method using a comparator.

2.3 Secondary standards of the 3rd part

2.3.1 Interference installations are used as copy standards for checking plane-parallel gauge blocks in the ranges from 0.1 to 100 mm and from 100 to 1000 mm.

2.3.2 Standard deviations of the total error of the results of comparisons of copy standards with the state primary standard should not exceed (0.01+0.04) microns, where is the length, m.

2.3.3 Copy standards are used for verification of secondary standards - interference installations for measuring internal dimensions from 0.5 to 200 mm using the comparison method using comparative measures, working standards of the 1st category - plane-parallel gauge blocks and quartz geodetic rods using direct measurements , as well as installations for checking measuring instruments of internal dimensions by comparison using comparative measures.

2.3.4 Interference installations for checking plane-parallel gauge blocks in the ranges from 0.1 to 100 mm and from 100 to 1000 mm and interference installations for measuring internal dimensions from 0.5 to 200 mm are used as secondary standards.

2.3.5 Confidence limits of absolute errors at a confidence probability of 0.99 range from ±(0.02+0.1) µm to ±(0.05+0.1) µm, where is the length, m.

2.3.6 Secondary standards are used for verification of working standards of the 1st category - plane-parallel gauge blocks, measures of internal diameters - measuring rings by the method of direct measurements and working measuring instruments - plane-parallel gauge blocks by direct measurements.

2.4 Secondary standards of the 4th part

2.4.1 Laser displacement meters in the range from 10 to 10 m are used as secondary (working) standards.

2.4.2 Confidence limits of absolute errors at a confidence probability of 0.99 range from ±0.5 to ±3.0 nm.

2.4.3 Secondary standards are used for verification of working standards of the 1st category - microscopes with a laser interferometer and laser displacement meters in the range from 10 to 10 m by direct comparison.

3 Working standards

3.1 Working standards of the 1st part

3.1.1 Working standards of the 1st category

3.1.1.1 Spectral lamps in the range from 0.4 to 0.7 microns, frequency-stabilized lasers and laser wavelength meters in the range from 0.4 to 11 microns are used as working standards of the 1st category.

3.1.1.2 Confidence limits of relative errors with a confidence probability of 0.99 for working standards of the 1st category range from 2·10 to 1·10.

3.1.1.3 Working standards of the 1st category are used for verification of working standards of the 2nd category - spectral lamps and standard samples of the absorption and transmission spectrum, as well as radiation sources included in linear displacement meters (part 2), by comparison using a comparator , laser spectrometers by the method of direct comparison of wavelength meters of continuous radiation lasers by the method of direct measurements and working measuring instruments - frequency-stabilized continuous radiation lasers by the comparison method using a comparator.

3.1.2 Working standards of the 2nd category

3.1.2.1 As working standards of the 2nd category, spectral lamps and standard samples of the absorption and transmission spectrum in the range from 0.2 to 50 μm, frequency-stabilized continuous radiation lasers, wavelength meters of continuous radiation lasers and laser spectrometers in the range from 0.4 to 11 µm, wavelength meters for pulsed lasers in the range from 0.4 to 1.2 µm.

3.1.2.2 Confidence limits of relative errors with a confidence probability of 0.99 for working standards of the 2nd category range from 1·10 to 1·10.

3.1.2.3 Working standards of the 2nd category are used for verification of working measuring instruments using the direct measurement method, the comparison method using a comparator and the direct comparison method.

3.2 Working standards of the 2nd part

3.2.1 Working standards of the 1st category

3.2.1.1 As working standards of the 1st category, line length measures, diffraction holographic length measures in the range from 0.001 to 1000 mm, installations for checking measuring tapes in the range from 0.001 to 30 m and quartz geodetic rods with a length of 1000 and 1200 mm are used.

3.2.1.2 Confidence limits of absolute errors with a confidence probability of 0.99 working standards of the 1st category range from ±(0.02+0.2) µm to ±(1+1) µm.

3.2.1.3 Working standards of the 1st category are used for verification of working standards of the 2nd category - line length measures using the comparison method using a comparator, measuring tapes using the direct measurement method and working measuring instruments - linear displacement meters using the direct measurement method and line length measures using the comparison method using a comparator.

3.2.2 Working standards of the 2nd category

3.2.2.1 Line length measures, holographic linear displacement measuring systems in the range from 0.001 to 1000 mm and measuring tapes in the range from 0.001 to 30 m are used as working standards of the 2nd category.

3.2.2.2 Confidence limits of absolute errors with a confidence probability of 0.99 working standards of the 2nd category range from ±(0.2+0.5) µm to ±(2+2) µm.

3.2.2.3 Working standards of the 2nd category are used for verification of working standards of the 3rd category - line length measures using the comparison method using a comparator, measuring tapes using the direct comparison method, working standards of the 4th category - line length measures using the comparison method using a comparator and working measuring instruments - instruments for measuring external and internal dimensions by the method of direct measurements, measuring tapes by the method of direct comparison.

3.2.3 Working standards of the 3rd category

3.2.3.1 Line length measures, raster measuring transducers in the range from 0.1 to 1000 mm and measuring tapes in the range from 0.001 to 50 m are used as working standards of the 3rd category.

3.2.3.2 Confidence limits of absolute errors with a confidence probability of 0.99 working standards of the 3rd category range from ±(1+5) µm to ±(10+10) µm.

3.2.3.3 Working standards of the 3rd category are used for verification of working standards of the 4th category - line length measures using the comparison method using a comparator and working measuring instruments - instruments for measuring external and internal dimensions using the direct measurement method, measuring tapes and surveying tapes using the direct method comparison, line length measures using the comparison method using a comparator.

3.2.4 Working standards of the 4th category

3.2.4.1 Line length measures in the range from 0.1 to 1000 mm are used as working standards of the 4th category.

3.2.4.2 Confidence limits of absolute errors with a confidence probability of 0.99 working standards of the 4th category are ±(20+30) microns.

3.2.4.3 Working standards of the 4th category are used for verification of working measuring instruments - folding standards, leveling rods, measuring rulers, forest forks using the method of direct comparison.

3.3 Part 3 working standards

3.3.1 Working standards of the 1st category

3.3.1.1 As working standards of the 1st category, plane-parallel gauge blocks of length in the range from 0.1 to 1000 mm are used, devices for checking measuring instruments of internal dimensions in the range from 0.5 to 500 mm, measures of internal diameters - measuring rings in range from 0.5 to 200 mm and quartz geodetic rods with a length of 1000 and 1200 mm.

3.3.1.2 Confidence limits of absolute errors with a confidence probability of 0.99 working standards of the 1st category range from ±(0.02+0.2) µm to ±(0.05+0.5) µm.

3.3.1.3 Working standards of the 1st category are used for verification of working standards of the 2nd category - installations for verification of measuring heads, installations for verification of measuring transducers, devices for verification of measuring instruments of internal dimensions, measures of internal diameters - measuring rings by direct measurements, plane-parallel gauge length gauges using the comparison method using a comparator and working measuring instruments - plane-parallel gauge length gauges using the comparison method using a comparator, instruments for measuring external dimensions, contact interferometers using the direct measurement method.

3.3.2 Working standards of the 2nd category

3.3.2.1 Installations for verification of measuring heads in the range from 0.1 to 25 mm, installations for verification of measuring transducers in the range from 0.005 to 0.2 mm, plane-parallel gauge blocks in the range from 0 are used as working standards of the 2nd category ,1 to 1000 mm, instruments for checking measuring instruments of internal dimensions in the range from 0.5 to 500 mm and measures of internal diameters - measuring rings in the range from 1 to 500 mm.

3.3.2.2 Confidence limits of absolute errors with a confidence probability of 0.99 working standards of the 2nd category range from ±0.04 to ±2 µm.

3.3.2.3 Working standards of the 2nd category are used for verification of working standards of the 3rd category - plane-parallel gauge blocks of length, measures of internal diameters - measuring rings by comparison using a comparator, devices for checking measuring instruments of internal dimensions using the method of direct measurements and working measuring instruments - instruments for measuring external dimensions, converters and automated control devices using direct measurements.

3.3.3 Working standards of the 3rd category

3.3.3.1 As working standards of the 3rd category, plane-parallel gauge blocks of length in the range from 0.1 to 1000 mm are used, measures of internal diameters - measuring rings in the range from 0.5 to 500 mm and instruments for checking measuring instruments of internal dimensions in range from 0.5 to 500 mm.

3.3.3.2 Confidence limits of absolute errors with a confidence probability of 0.99 for working standards of the 3rd category range from ±(0.1+1) to ±(0.2+2) µm.

3.3.3.3 Working standards of the 3rd category are used for verification of working standards of the 4th category - plane-parallel gauge blocks of length, measures of internal diameters - measuring rings by comparison using a comparator, devices for checking measuring instruments of internal dimensions by the method of direct measurements and working measuring instruments - instruments for measuring external dimensions, setting rings using the direct measurement method, plane-parallel gauge blocks using the comparison method using a comparator.

3.3.4 Working standards of the 4th category

3.3.4.1 As working standards of the 4th category, plane-parallel gauge length gauges are used in the range from 0.1 to 1000 mm, instruments for checking indicators and indicator bore gauges in the range from 0 to 100 mm, internal diameter measures - measuring rings and instruments for verification of measuring instruments of internal dimensions in the range from 0.5 to 500 mm.

3.3.4.2 Confidence limits of absolute errors with a confidence probability of 0.99 working standards of the 4th category range from ±0.2 µm to ±(0.5+5) µm.

3.3.4.3 Working standards of the 4th category are used for verification of working measuring instruments - plane-parallel length gauge blocks, installation gauge blocks, wires, rollers, accessories for gauge blocks (laterals) by the comparison method using a comparator, instruments for measuring external dimensions, vernier tools, instruments for measuring external and internal dimensions, bore gauges using the direct measurement method, setting rings, plane-parallel gauge blocks using the comparison method using a comparator.

3.4 Part 4 working standards

3.4.1 Working standards of the 1st category

3.4.1.1 As working standards of the 1st category, relief measures in the range from 10 to 10 m, microscopes with a laser interferometer and laser displacement meters in the range from 10 to 10 m are used.

3.4.1.2 Confidence limits of absolute errors with a confidence probability of 0.99 working standards of the 1st category range from ±1 to ±10 nm.

3.4.1.3 Working standards of the 1st category are used for verification of working standards of the 2nd category - relief measures, electronic raster measuring microscopes and scanning probe atomic force microscopes using the method of direct measurements.

3.4.2 Working standards of the 2nd category

3.4.2.1 As working standards of the 2nd category, relief measures, electronic raster measuring microscopes and scanning probe atomic force microscopes in the range from 10 to 10 m are used.

3.4.2.2 Confidence limits of absolute errors with a confidence probability of 0.99 for working standards of the 2nd category range from ±3 to ±50 nm.

3.4.2.3 Working standards of the 2nd category are used for verification of working measuring instruments - relief measures, electronic raster measuring microscopes and scanning probe atomic force microscopes using the method of direct measurements.

4 Working measuring instruments

4.1 Working measuring instruments of the 1st part

4.1.1 Spectrometers and spectrophotometers in the range from 0.2 to 50 microns, frequency-stabilized continuous radiation lasers and frequency-stabilized and unstabilized continuous radiation lasers - wavelength measures in the range from 0.4 to 11 microns are used as working measuring instruments , continuous wave laser wavelength meters and laser spectrometers in the range from 0.4 to 11 µm, pulsed laser wavelength meters and pulsed lasers in the range from 0.4 to 1.2 µm.

4.1.2 Confidence limits of relative errors with a confidence probability of 0.99 for frequency-stabilized lasers of increased accuracy range from 1±10 to 3·10.

4.1.3 The limits of permissible relative errors of working measuring instruments range from ±3·10 to ±1·10.

4.2 Working measuring instruments of the 2nd part

4.2.1 Linear displacement meters in the range from 0.01 to 30000 mm, line length measures in the range from 0.1 to 2000 mm, linear displacement measuring transducers in the range from 0 to 32000 mm, measuring instruments are used as working measuring instruments external and internal dimensions in the range from 0 to 1000 mm, folding measures and measuring rulers in the range from 0 to 1000 mm, leveling rods in the range from 0 to 4000 mm, forest forks in the range from 1 to 750 mm, measuring tapes up to 100 long m, surveying tapes up to 50 m long, measuring wires up to 24 m long.

4.2.2 The limits of permissible absolute errors of working measuring instruments range from ±0.05 µm to ±14 mm.

4.3 Working measuring instruments of the 3rd part

4.3.1 As working measuring instruments, plane-parallel gauge blocks of length in the range from 0.1 to 1000 mm, contact interferometers with division values ​​from 0.02 to 0.2 μm, instruments for measuring external and internal dimensions, bore gauges, and caliper tools are used as range from 0 to 2500 mm; setting rings in the range from 1 to 500 mm, converters and automated control devices, setting gauges, wires and rollers for measuring the average diameter of a thread, accessories for gauges (sides).

4.3.2 The limits of permissible absolute errors of working measuring instruments range from ±0.02 µm to ±1 mm.

4.4 Working measuring instruments of the 4th part

4.4.1 As working measuring instruments, relief measures are used in the range from 10 to 10 m, electronic raster measuring microscopes in the range from 10 to 10 m and scanning probe atomic force microscopes in the range from 10 to 10 m.

4.4.2 The limits of permissible absolute errors of working measuring instruments range from ±10 to ±1000 nm.

Appendix A (mandatory). State verification scheme for measuring instruments of length in the range from 1·10_(-9) to 50 m and wavelengths in the range from 0.2 to 50 microns. Part 1. Radiation sources and wavelength measuring instruments

Appendix A
(required)

State verification scheme for instruments measuring length in the range from 1·10 to 50 m and wavelengths in the range from 0.2 to 50 microns. Part 1. Radiation sources and wavelength measuring instruments

Figure A.1

Appendix B (mandatory). State verification scheme for measuring instruments of length in the range from 1·10_(-9) to 50 m and wavelengths in the range from 0.2 to 50 microns. Part 2. Line length measures and displacement meters

Appendix B
(required)

State verification scheme for instruments measuring length in the range from 1·10 to 50 m and wavelengths in the range from 0.2 to 50 microns. Part 2. Line length measures and displacement meters

Figure B.1

Appendix B (mandatory). State verification scheme for measuring instruments of length in the range from 1·10_(-9) to 50 m and wavelengths in the range from 0.2 to 50 microns. Part 3. Plane-parallel end measures

Appendix B
(required)

State verification scheme for instruments measuring length in the range from 1·10 to 50 m and wavelengths in the range from 0.2 to 50 microns. Part 3. Plane-parallel end measures

Figure B.1

Appendix D (mandatory). State verification scheme for measuring instruments of length in the range from 1·10_(-9) to 50 m and wavelengths in the range from 0.2 to 50 microns. Part 4. Displacement meters, relief measures and microscopes in the nanorange

Appendix D
(required)

State verification scheme for instruments measuring length in the range from 1·10 to 50 m and wavelengths in the range from 0.2 to 50 microns. Part 4. Displacement meters, relief measures and microscopes in the nanorange

Figure D.1

Electronic document text
prepared by Kodeks JSC and verified against:
official publication
M.: Standartinform, 2013

GOST 8.503-84

Group T84

STATE STANDARD OF THE USSR UNION

State system for ensuring the uniformity of measurements

IN THE RANGE 2475000 m

State system for ensuring the uniformity of measurements. State verification schedule
for means of measuring length within the range of 2475000 m

OKSTU 0008

Date of introduction 1985-07-01

DEVELOPED

USSR State Committee for Standards

Main Directorate of Geodesy and Cartography under the Council of Ministers of the USSR

PERFORMERS

V.K.Kopyl, Doctor of Engineering. sciences; M.G.Gerasimenko, Ph.D. tech. sciences (topic leaders); A.M.Andrusenko, Ph.D. physics and mathematics sciences; A.A.Genike, Ph.D. tech. sciences; V.S. Kupko; N.Ya. Milenin; G.P. Pushkarev, Ph.D. tech. sciences; B.I. Rubinshtein, Ph.D. tech. sciences

INTRODUCED by the USSR State Committee for Standards

Member of Gosstandart L.K. Isaev

APPROVED AND ENTERED INTO EFFECT by Resolution of the USSR State Committee on Standards dated March 15, 1984 N 790


This standard applies to the state verification scheme for length measuring instruments in the range of 2475000 m and establishes the purpose of the highest precision installation for reproducing the unit of length - meter (m) in the range of 241000 m, the main metrological characteristics of the highest accuracy installation and the procedure for transferring the size of the unit of length from the highest accuracy installation accuracy using standard measuring instruments, working measuring instruments, indicating errors and basic verification methods.

1. HIGHEST PRECISION SETTING

1. HIGHEST PRECISION SETTING

1.1. The highest precision installation is designed to reproduce and store a unit of length in the range of 241,000 m and transfer the size of the unit using standard measuring instruments to working measuring instruments used in the national economy in order to ensure the uniformity of measurements in the country.

1.2. Measurements of length under real atmospheric conditions should be based on a unit that can be reproduced by an installation of the highest accuracy.

1.3. The highest precision installation consists of a set of the following measuring instruments:

set of linear bases;

high-precision light range finder;

a set of tools for determining meteorological parameters.

1.4. The range of lengths reproduced by the highest precision unit is 241,000 m.

The values ​​of the lengths of linear bases reproduced by the highest precision installation in the specified range are 24, 96, 288, 576, 1000 m.

1.5. The highest accuracy setting ensures reproduction of a unit of length in the range of 241000 m with a standard deviation of the measurement result not exceeding 0.1 mm for 11 independent observations.

The non-excluded systematic error does not exceed 0.1 mm.

1.6. To ensure the reproduction of a unit of length in the range of 241,000 m with the specified accuracy, the rules for storing and using the highest precision installation, approved in the prescribed manner, must be observed.

1.7. The highest precision installation is used to transfer the size of a unit of length to standard measuring instruments of the 1st category and high-precision working measuring instruments by direct comparison.

2. EXAMPLE MEASUREMENT INSTRUMENTS

2.1. Exemplary measuring instruments borrowed from other verification schemes

2.1.1. As standard measuring instruments, borrowed from other verification schemes, standard 1st category geodetic rods up to 4 m long according to GOST 8.020-75 are used.

2.1.2. Exemplary geodetic rods are used to verify exemplary measuring instruments of the 1st category (basic instruments) by comparison using an interference comparator.

2.2. Exemplary measuring instruments of the 1st category

2.2.1. Light rangefinders with a measurement range of 2,410,000 m and basic instruments up to 24 m are used as exemplary measuring instruments of the 1st category.

2.2.2. Confidence absolute errors of standard measuring instruments of the 1st category with a confidence probability of 0.95 should not exceed (0.6+1·10) mm for light rangefinders in the measurement range of 2410000 m and 0.02 mm for basic instruments.

2.2.3. Exemplary measuring instruments of the 1st category are used to verify exemplary measuring instruments of the 2nd category using the method of direct measurements.

2.3. Exemplary measuring instruments of the 2nd category

2.3.1. As exemplary measuring instruments of the 2nd category, a set of linear bases is used in the measurement range of 2475000 m, equipped with equipment for monitoring the conditions for reproducing a unit of length and measuring the average integral value of the group refractive index of air.

2.3.2. Confidence absolute errors of standard measuring instruments of the 2nd category with a confidence probability of 0.95 should not exceed 2 10 mm.

2.3.3. Exemplary measuring instruments of the 2nd category are used for verification of working measuring instruments using the method of direct measurements.

3. WORKING MEASURING INSTRUMENTS

3.1. Optical range finders with a range from 24 to 700 m, light range finders with a range from 24 to 15,000 m, light range finders with a range from 24 to 3000 m, light range finders with a range from 500 to 50,000 m, radio range finders with a range of range from 50 to 75,000 m, radio geodetic systems with a range from 100 to 75,000 m, pulse light rangefinders with a range from 24 to 75,000 m.

3.2. Confidence absolute errors of working measuring instruments with a confidence probability of 0.95 range from 0.6 to 200 mm.

STATE VERIFICATION SCHEME FOR LENGTH MEASURING INSTRUMENTS IN THE RANGE 24-75000 m

STATE VERIFICATION SCHEME FOR LENGTH MEASURING INSTRUMENTS
IN THE RANGE 2475000 m

The text of the document is verified according to:
official publication
M.: Standards Publishing House, 1984

STATE UNITY SYSTEM
MEASUREMENTS

STATE VERIFICATION SCHEME
FOR LENGTH MEASURING INSTRUMENTS
IN RANGE 1? 10 -6 ? 50 m AND WAVE LENGTH
IN THE RANGE 0.2? 50 µm

MI 2060-90

USSR STATE COMMITTEE FOR MANAGEMENT
PRODUCT QUALITY AND STANDARDS

Date of introduction01.01.91

This recommendation applies to the state verification scheme for length measuring instruments in the range of 1? 10 -6 ? 50 m and wavelengths in the range of 0.2? 50 microns and establishes the procedure for transferring the dimensions of units of length and frequency from a single standard of units of time - seconds (s), frequency - hertz (Hz) and length - meters (m) using secondary standards and standard measuring instruments to working measuring instruments, indicating errors and basic verification methods.

The verification scheme consists of three parts:

Part 1. Radiation sources and instruments for measuring wavelengths features. 1;

part 2. Line length measures and displacement meters (Fig. 2);

part 3. Plane-parallel gauge blocks (Fig. 3).

1 STANDARDS

1.1. The unified standard of units of time, frequency and length is used to reproduce and transmit the sizes of units of time and frequency in accordance with GOST 8.129-83 and the sizes of units of length and frequency of the optical range to secondary standards by the method of direct measurements and comparison using a frequency comparator and comparison measures in ranges 10 ? 1000 mm.

1.2. Secondary standards of the 1st part

1.2.1. As working standards, a set of measuring instruments is used, consisting of lasers stabilized in frequency using atomic and molecular reference points.

1.2.2. Standard deviations of comparison results S?0 working standards with a single standard of units of time, frequency and length range from 3? 10 -11 to 1 ? 10 -9 with 100 independent measurements.

1.2.3. Working standards are used to transfer the dimensions of units of length and frequency to standard measuring instruments of the 1st and 2nd digits by comparison using a comparator and the method of direct measurements, as well as working frequency-stabilized continuous radiation lasers by comparison using a comparator.

1.3. Secondary standards part 2

1.3.1. Interference installations are used as copy standards for checking line length measures in the range of 0.001? 1000 mm, using radiation from frequency-stabilized lasers.

1.3.2. Standard deviations of comparison results S? of copy standards with the state primary standard, the units of length should not exceed (0.02 + 0.04 L) µm, where L- length, m.

1.3.3. Copy standards are used to verify the working standards of a four-meter comparator with a set of line length measures and geodetic rods; exemplary 1st category line length measures, diffraction holographic length measures and working linear displacement meters using the direct measurement method.

1.3.4. As working standards, line length measures and installations for checking line length measures in the range of 0.001 - 1000 mm are used, as well as a four-meter comparator with a set of line length measures and geodetic rods in the range of 1000? 4000 mm.

1.3.5. Confidence absolute errors? working standards with a confidence probability of 0.99 range from (0.03 + 0.1 L) up to 0.3 µm.

1.3.6. Working standards are used for checking exemplary 1st category line length measures, diffraction holographic length measures by the method of direct measurements and comparison using a comparator, installations for checking measuring tapes - by the method of direct measurements.

1.4. Secondary Standards Part 3

1.4.1. Interference installations are used as copy standards for checking plane-parallel gauge blocks in the ranges of 0.1? 100 and 100? 1000 mm, using radiation from frequency-stabilized lasers and spectral lamps with the cadmium-114 isotope.

1.4.2. Standard deviations of comparison results S? of copy standards with the state primary standard, the units of length should not exceed (0.01 + 0.04 L) µm.

1.4.3. Copy standards are used for checking standard 1st category plane-parallel gauge blocks and quartz geodetic rods using direct measurements, as well as standard 1st category instruments for checking measuring instruments of internal dimensions by comparison using comparative measures.

1.4.4. Interference installations are used as working standards for checking plane-parallel gauge blocks in the ranges of 0.1? 100 and 100? 1000 mm, using radiation from frequency-stabilized lasers, spectral lamps with the cadmium-114 isotope, with natural krypton and helium.

1.4.5. Confidence absolute errors? working standards with a confidence probability of 0.99 should not exceed (0.02 + 0.1 L) µm.

1.4.6. Working standards are used for verification of exemplary 1st category and working accuracy classes 00 and 01 plane-parallel gauge blocks in the range of 0.1? 1000 mm using direct measurements.

2. EXAMPLE MEASUREMENT INSTRUMENTS

2.1. Exemplary measuring instruments of the 1st part

2.1.1. Exemplary facilities measurements 1 -th category

2.1.1.1. Spectral lamps in the range of 0.4? 0.7 microns, frequency-stabilized lasers and laser wavelength meters in the range of 0.4? 11 microns.

2.1.1.2. Confidence relative errors? 0 exemplary measuring instruments of the 1st category with a confidence probability of 0.99 range from 2? 10 -10 to 7? 10 -8.

2.1.1.3. Exemplary measuring instruments of the 1st category are used for verification of exemplary measuring instruments of the 2nd category and working frequency-stabilized continuous radiation lasers, as well as radiation sources included in linear displacement meters (Part 2), comparison using a comparator, direct measurement method and direct comparison.

2.1.2. Exemplary facilities measurements 2 -th category

2.1.2.1. Spectral lamps and standard samples of the absorption and transmission spectrum in the range of 0.2? 50 μm, frequency-stabilized continuous-wave lasers, wavelength meters for continuous-wave lasers and laser spectrometers in the range of 0.4 ? 11 microns, wavelength meters for pulsed lasers in the range of 0.4? 1.2 µm.

2.1.2.2. Confidence relative errors? 0 exemplary measuring instruments of the 2nd category with a confidence probability of 0.99 range from 1? 10 -8 to 1 ? 10 -3.

2.1.2.3. Exemplary measuring instruments of the 2nd category are used for verification of working measuring instruments by the method of direct measurements, comparison using a comparator and direct comparison.

2.2. Exemplary measuring instruments of the 2nd part

2.2.1. Exemplary facilities measurements 1 -th category

2.2.1.1. Line length measures and diffraction holographic length measures in the range of 0.001? 1000 mm, installations for checking measuring tapes in the range of 0.001? 24 m and quartz geodetic rods 1000 and 1200 mm long.

2.2.1.2. Confidence absolute errors? exemplary measuring instruments of the 1st category with a confidence probability of 0.99 range from (0.02 + 0.2 L) µm to (1 + 1 L) µm.

2.2.1.3. Exemplary measuring instruments of the 1st category are used to verify exemplary measuring instruments of the 2nd category and working measuring instruments by comparison using a comparator and the method of direct measurements.

2.2.2. Exemplary facilities measurements 2 -th category

2.2.2.1. As exemplary measuring instruments of the 2nd category, line length measures and holographic measuring systems of linear movements in the range of 0.001? 1000 mm and measuring tapes in the range of 0.001? 24 m.

2.2.2.2. Confidence absolute errors? exemplary measuring instruments of the 2nd category with a confidence probability of 0.99 range from (0.2 + 0.5 L) µm to (2 + 2 L) µm.

2.2.2.3. Exemplary measuring instruments of the 2nd category are used for verification of exemplary 3rd and 4th categories and working measuring instruments using the method of direct measurements, comparison using a comparator and direct comparison.

2.2.3. Exemplary facilities measurements 3 -th category

2.2.3.1. Line length measures and raster measuring converters in the range of 0.1 ? 1000 mm and measuring tapes in the range of 0.001? 50 m.

2.2.3.2. Confidence absolute errors? exemplary measuring instruments of the 3rd category with a confidence probability of 0.99 range from (1 + 5 L) µm to (10 + 10 L) µm.

2.2.3.3. Exemplary measuring instruments of the 3rd category are used for verification of exemplary 4th category and working measuring instruments by comparison using a comparator and direct comparison.

2.2.4. Exemplary facilities measurements 4 -th category

2.2.4.1. Line length measures in the range of 0.1 ? 1000 mm.

2.2.4.2. Confidence absolute errors? exemplary line measures of the length of the 4th digit with a confidence probability of 0.99 should not exceed (20 + 30 L) µm.

2.2.4.3. Exemplary measuring instruments of the 4th category are used for verification of working measuring instruments by direct comparison.

2.3. Exemplary measuring instruments of the 3rd part

2.3.1. Exemplary facilities measurements 1 -th category

2.3.1.1. Plane-parallel gauge blocks in the range of 0.1 ? 1000 mm, devices for checking measuring instruments of internal dimensions in the range l ? 160 mm and quartz geodetic rods 1000 and 1200 mm long.

2.3.1.2. Confidence absolute errors? exemplary measuring instruments of the 1st category with a confidence probability of 0.99 range from (0.02 + 0.2 L) µm to (0.05 + 0.5 L) µm.

2.3.1.3. Exemplary measuring instruments of the 1st category are used to verify exemplary measuring instruments of the 2nd category and working measuring instruments using the method of direct measurements and comparison using a comparator.

2.3.2. Exemplary facilities measurements 2 -th category

2.3.2.1. As standard measuring instruments of the 2nd category, installations are used for checking measuring heads in the range of 0.1? 10 mm, installations for testing measuring transducers and devices in dynamic mode in the range of 0.005? 0.2 mm, plane-parallel gauge blocks in the range of 0.1? 1000 mm, devices for checking measuring instruments of internal dimensions in the range of 1? 200 mm and measuring rings in the range of 1? 160 mm.

2.3.2.2. Confidence absolute errors? standard measuring instruments of the 2nd category with a confidence probability of 0.99 range from 0.04 to 2 microns and (0.1 + 1 L) µm.

2.3.2.3. Exemplary measuring instruments of the 2nd category are used for verification of exemplary measuring instruments of the 3rd category and working measuring instruments by comparison using a comparator and the method of direct measurements.

2.3.3. Exemplary facilities measurements 3 -th category

2.3.3.1. Plane-parallel gauge blocks and measuring systems of flexible production modules in the range of 0.1 ? 1000 mm, measuring rings in the range of 1? 160 mm and instruments for checking measuring instruments of internal dimensions in the range of 1? 200 mm.

2.3.3.2. Confidence absolute errors? exemplary measuring instruments of the 3rd category with a confidence probability of 0.99 range from (0.1 + 1 L) to (0.02 + 2 L) µm.

2.3.3.3. Exemplary measuring instruments of the 3rd category are used for verification of exemplary 4th category and working measuring instruments using the method of direct measurements and comparison using a comparator.

2.3.4. Exemplary facilities measurements 4 -th category

2.3.4.1. Plane-parallel gauge blocks in the range of 0.1 ? 1000 mm, devices for checking indicators and indicator bore gauges in the range 0? 10 mm and measuring rings in the range of 1? 160 mm.

2.3.4.2. Confidence absolute errors? with a confidence probability of 0.99, standard measuring instruments of the 4th category range from (0.2 + 2 L) µm to (0.5 + 5 L) µm.

2.3.4.3. Exemplary measuring instruments of the 4th category are used for verification of working measuring instruments using the method of direct measurements and comparison using a comparator.

3. WORKING TOOLS OF MEASUREMENT

3.1. Working measuring instruments of the 1st part

3.1.1. Spectrometers and spectrophotometers are used as working measuring instruments in the range of 0.2? 50 µm, frequency-stabilized continuous wave lasers and frequency-stabilized and non-stabilized continuous wave lasers - measures wavelengths in the range of 0.4 ? 11 μm, continuous wave laser wavelength meters and laser spectrometers in the range of 0.4 ? 11 microns, wavelength meters for pulsed radiation lasers and pulsed radiation lasers in the range of 0.4 ? 1.2 µm.

3.1.2. Confidence relative errors? 0 frequency-stabilized lasers with increased accuracy and stability with a confidence level of 0.99 range from 1? 10 -10 to 3 ? 10 -8.

Limits of permissible relative errors? 0 working measuring instruments range from 3? 10 -8 to 1 ? 10 -2.

3.2. Working measuring instruments of the 2nd part

3.2.1. Linear displacement meters in the range of 0.01? 30000 mm, line length measures in the range of 0.1? 2000 mm accuracy classes 0; 1; 2; 3; 4; 5; measuring transducers of linear movements in the range 0? 32000 mm; instruments for measuring external and internal dimensions in the range 0? 1000 mm; folding measures and measuring rulers in the range 0? 1000 mm, leveling staffs in the range 0? 4000 mm, forest forks in the range of 1? 750 mm; measuring tapes up to 50 m long, accuracy class 1 and up to 100 m long, accuracy classes 2 and 3; surveying tapes up to 50 m long, measuring wires up to 24 m long.

3.2.2. Limits of permissible absolute errors? working measuring instruments range from 0.05 microns to 14 mm.

3.3. Working measuring instruments of the 3rd part

3.3.1. Plane-parallel gauge blocks in the range of 0.1 ? 1000 mm accuracy classes 00; 01; 0.1; 2; 3; 4; 5; contact interferometers with a division value of 0.02? 0.2 µm; converters, automated control devices, measuring instruments operating in dynamic mode; instruments for measuring external and internal dimensions, vernier tools in the ranges 0? 2500 mm; means of automated control of flexible production systems in the range 0? 500 mm; installation rings in the range 1? 160 mm; installation gauges, wires and rollers for measuring the average diameter of the thread; accessories for gauge blocks (side gauges).

GOST 8.503-84
Group T84

STATE STANDARD OF THE USSR UNION

State system for ensuring the uniformity of measurements
IN THE RANGE 2475000 m
State system for ensuring the uniformity of measurements. State verification schedule
for means of measuring length within the range of 2475000 m

OKSTU 0008

Date of introduction 1985-07-01

DEVELOPED
USSR State Committee for Standards
Main Directorate of Geodesy and Cartography under the Council of Ministers of the USSR
PERFORMERS

V.K.Kopyl, Doctor of Engineering. sciences; M.G.Gerasimenko, Ph.D. tech. sciences (topic leaders); A.M.Andrusenko, Ph.D. physics and mathematics sciences; A.A.Genike, Ph.D. tech. sciences; V.S. Kupko; N.Ya. Milenin; G.P. Pushkarev, Ph.D. tech. sciences; B.I. Rubinshtein, Ph.D. tech. sciences
INTRODUCED by the USSR State Committee for Standards
Member of Gosstandart L.K. Isaev
APPROVED AND ENTERED INTO EFFECT by Resolution of the USSR State Committee on Standards dated March 15, 1984 N 790

This standard applies to the state verification scheme for length measuring instruments in the range of 2475000 m and establishes the purpose of the highest precision installation for reproducing the unit of length - meter (m) in the range of 241000 m, the main metrological characteristics of the highest accuracy installation and the procedure for transferring the size of the unit of length from the highest accuracy installation accuracy using standard measuring instruments, working measuring instruments, indicating errors and basic verification methods.

1. HIGHEST PRECISION SETTING

1. HIGHEST PRECISION SETTING

1.1. The highest precision installation is designed to reproduce and store a unit of length in the range of 241,000 m and transfer the size of the unit using standard measuring instruments to working measuring instruments used in the national economy in order to ensure the uniformity of measurements in the country.

1.2. Measurements of length under real atmospheric conditions should be based on a unit that can be reproduced by an installation of the highest accuracy.

1.3. The highest precision installation consists of a set of the following measuring instruments:
set of linear bases;
high-precision light range finder;
a set of tools for determining meteorological parameters.

1.4. The range of lengths reproduced by the highest precision unit is 241,000 m.
The values ​​of the lengths of linear bases reproduced by the highest precision installation in the specified range are 24, 96, 288, 576, 1000 m.

1.5. The highest accuracy setting ensures reproduction of a unit of length in the range of 241000 m with a standard deviation of the measurement result not exceeding 0.1 mm for 11 independent observations.
The non-excluded systematic error does not exceed 0.1 mm.

1.6. To ensure the reproduction of a unit of length in the range of 241,000 m with the specified accuracy, the rules for storing and using the highest precision installation, approved in the prescribed manner, must be observed.

1.7. The highest precision installation is used to transfer the size of a unit of length to standard measuring instruments of the 1st category and high-precision working measuring instruments by direct comparison.

2. EXAMPLE MEASUREMENT INSTRUMENTS

2.1. Exemplary measuring instruments borrowed from other verification schemes

2.1.1. As standard measuring instruments, borrowed from other verification schemes, standard 1st category geodetic rods up to 4 m long according to GOST 8.020-75 are used.

2.1.2. Exemplary geodetic rods are used to verify exemplary measuring instruments of the 1st category (basic instruments) by comparison using an interference comparator.

2.2. Exemplary measuring instruments of the 1st category

2.2.1. Light rangefinders with a measurement range of 2,410,000 m and basic instruments up to 24 m are used as exemplary measuring instruments of the 1st category.

2.2.2. Confidence absolute errors of standard measuring instruments of the 1st category with a confidence probability of 0.95 should not exceed (0.6+1·10) mm for light rangefinders in the measurement range of 2410000 m and 0.02 mm for basic instruments.

2.2.3. Exemplary measuring instruments of the 1st category are used to verify exemplary measuring instruments of the 2nd category using the method of direct measurements.

2.3. Exemplary measuring instruments of the 2nd category

2.3.1. As exemplary measuring instruments of the 2nd category, a set of linear bases is used in the measurement range of 2475000 m, equipped with equipment for monitoring the conditions for reproducing a unit of length and measuring the average integral value of the group refractive index of air.

2.3.2. Confidence absolute errors of standard measuring instruments of the 2nd category with a confidence probability of 0.95 should not exceed 2 10 mm.

2.3.3. Exemplary measuring instruments of the 2nd category are used for verification of working measuring instruments using the method of direct measurements.

3. WORKING MEASURING INSTRUMENTS

3.1. Optical range finders with a range from 24 to 700 m, light range finders with a range from 24 to 15,000 m, light range finders with a range from 24 to 3000 m, light range finders with a range from 500 to 50,000 m, radio range finders with a range of range from 50 to 75,000 m, radio geodetic systems with a range from 100 to 75,000 m, pulse light rangefinders with a range from 24 to 75,000 m.

3.2. Confidence absolute errors of working measuring instruments with a confidence probability of 0.95 range from 0.6 to 200 mm.

STATE VERIFICATION SCHEME FOR LENGTH MEASURING INSTRUMENTS IN THE RANGE 24-75000 m

STATE VERIFICATION SCHEME FOR LENGTH MEASURING INSTRUMENTS
IN THE RANGE 2475000 m

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