Aperture

Aperture, Total:76 items.

The international standard classification for "Aperture" includes: Microbiology of water , Other standards related to analytical chemistry , Ceramic products , Geotextiles , Photographic equipment. Projectors , Refractories , Geology. Meteorology. Hydrology .

The Chinese standard classification for "Aperture" includes: Separating machinery , Special ceramics , Other textile articles , Lens , Fireproof material in general , Length Measurement , Oceanology .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 1967-1996 Test method for pore diameter of porous ceramic
GB/T 32361-2015 Test methods for pore size properties of membrane filters—Bubble point and mean flow pore test
GB/T 42269-2022 Determination of pore size for membranes—Gas permeation method
GB/T 14799-1993 Geotextiles－Determining apparent opening size of a geotextile by sieving
GB/T 32361-2015(英文版) Test methods for pore size properties of membrane filters—Bubble point and mean flow pore test

Professional Standard - Machinery

JB/T 8248.2-1999 Method for measurement for effective aperture and relative aperture of camera lenses

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 38949-2020 Determination of pore size for porous membranes—Standard particle method

Professional Standard - Ferrous Metallurgy

YB/T 118-1997 Test method for pore size distribution of refractory

工业和信息化部

YB/T 118-2020 Refractory products-Determination of pore size distribution

Professional Standard - Electron

SJ 2667-1986 Methods of measurement of numerical aperture of optical fibres and cables
SJ/T 10171.10-1991 Measurement methods for performances of separator of alkaline batteries-Determination of maximum Pore diameter in separator-Bubble test

Group Standards of the People's Republic of China

T/QGCML 741-2023 Pile hole diameter detection device

Taiwan Provincial Standard of the People's Republic of China

CNS 7475-1981 Methods of Measurement for Effective Aperture, F - number, Aperture Ratio and T-number of Photographlc Lenses
CNS 14262-1998 Method of test for determining apparent opening size of a geotextile

National Metrological Verification Regulations of the People's Republic of China

JJG 467-1986 Precision Bore Diameter Measuring Instrument

National Metrological Technical Specifications of the People's Republic of China

JJF(机械) 027-2008 Calibration Specifications for Relative Aperture Testers

Professional Standard - Ocean

HY/T 051-1999 Test methods for hollow fiber microporous membranes

Indonesia Standards

SNI 08-4418-1997 Test method for pore size of geotextile

IPC - Association Connecting Electronics Industries

IPC TM-650 2.2.6A-1997 Hole Size Measurement@ Drilled
IPC TM-650 2.2.6-1973 Hole Size Measurement@ Drilled
IPC TM-650 2.2.7A-1986 Hole Size Measurement@ Plated

American National Standards Institute （ANSI)

ANSI/EIA/TIA 455-167A:1992 Mode Field Diameter Measurement - Variable Aperture Method in the Farfield
ANSI/ASTM D3576:1998 Test Method for Cell Size of Rigid Cellular Plastics (08.02)

Korean Agency for Technology and Standards (KATS)

KS B 5409-1982 Photographic lenses ? Methods for the measurement of the effective aperture, F-number and relative aperture
KS B 5409-2013 Photographic lenses ? Methods for the measurement of the effective aperture, F-number and relative aperture
KS B 5409-1998 Photographic lenses-Methods for the measurement of the effective aperture, F-number and relative aperture
KS B 5409-2013(2018) Photographic lenses?Methods for the measurement of the effective aperture, F-number and relative aperture
KS K 0754-2015 Standard test method for determining apparent opening size of a geotextile
KS K 0754-2007 Test method for apparent opening size of geotextile-Dry method
KS K 0751-1998 TESTING METHOD FOR DETERMINING APPARENT OPENING SIZE(AOS) OF GEOTEXTILE

British Standards Institution (BSI)

BS EN 60793-1-43:2015 Optical fibres. Measurement methods and test procedures. Numerical aperture measurement
BS 3321:1986 Method for measurement of the equivalent pore size of fabrics (bubble pressure test)
BS EN 60793-1-43:2002 Optical fibres - Measurement methods and test procedures - Numerical aperture
BS 3321:1986(1999) Method for Measurement of the equivalent pore size of fabrics (bubble pressure test)
BS ISO 13319-1:2021 Determination of particle size distribution. Electrical sensing zone method. Aperture/orifice tube method
BS 7591-1:1992(1999) Porosity and pore size distribution of materials — Part 1 : Method of evaluation by mercury porosimetry

KR-KS

KS B 5409-2023 Methods for the measurement of the effective aperture, F-number and relative aperture of photographic lenses

Standard Association of Australia （SAA）

AS 3706.7:2014 Test methods for geotextiles - Determination of pore size distribution - Dry screening method
AS 3706.7:1990 Geotextiles - Methods of test, Method 7: Determination of pore-size distribution - Dry-sieving method

Association Francaise de Normalisation

NF G38-017:1989 TEXTILES. ARTICLES FOR INDUSTRIAL USES. TESTS FOR GEOTEXTILES. MEASUREMENT OF PORE SIZE. DETERMINATION OF FILTRATION OPENING.
NF C93-840-1-43*NF EN 60793-1-43:2015 Optical fibres - Part 1-43 : measurement methods and test procedures - Numerical aperture measurement
NF EN 60793-1-43:2015 Optical fibers - Part 1-43: measurement methods and test procedures - Measurement of numerical aperture
NF A95-353*NF EN 24003:1993 Permeable sintered metal materials. Determination of bubble test pore size.

Japanese Industrial Standards Committee (JISC)

JIS B 7095:1997 Photographic lenses -- Methods for the measurement of the effective aperture, F-number and relative aperture

SCC

BS 3321:1960 Method for the measurement of the equivalent pore size of fabrics (bubble pressure test)
CEI EN 60793-1-43:2015 Optical fibres Part 1-43: Measurement methods and test procedures - Numerical aperture measurement
DANSK DS/EN 60793-1-43:2015 Optical fibres - Part 1-43: Measurement methods and test procedures - Numerical aperture measurement
DANSK DS/ISO 13319-1:2021 Determination of particle size distribution – Electrical sensing zone method – Part 1: Aperture/orifice tube method
DANSK DS/EN 13724/AC:2013 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods
NS-EN 13724:2013 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods

Danish Standards Foundation

DS/EN 60793-1-43:2002 Optical fibres - Part 1-43: Measurement methods and test procedures - Numerical aperture
DS/EN 13724:2013 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods

CENELEC - European Committee for Electrotechnical Standardization

EN 60793-1-43:2002 Optical Fibres Part 1-43: Measurement Methods and Test Procedures - Numerical Aperture

American Society for Testing and Materials (ASTM)

ASTM F316-03(2019) Standard Test Methods for Pore Size Characteristics of Membrane Filters by Bubble Point and Mean Flow Pore Test
ASTM D8490-23a Standard Test Method for Determining the Pore Size Characteristics of Geotextiles Using an Optical Method
ASTM D7864/D7864M-15 Standard Test Method for Determining the Aperture Stability Modulus of Geogrids
ASTM E1294-89(1999) Standard Test Method for Pore Size Characteristics of Membrane Filters Using Automated Liquid Porosimeter
ASTM D7864/D7864M-15(2023) Standard Test Method for Determining the Aperture Stability Modulus of Geogrids

American Society of Mechanical Engineers (ASME)

ASME MFC-14M-2003 Measurement of Fluid Flow Using Small Bore Precision Orifice Meters

European Committee for Electrotechnical Standardization（CENELEC）

EN 60793-1-43:2015 Optical fibres - Part 1-43: Measurement methods and test procedures - Numerical aperture measurement

Spanish Association for Standardization (UNE)

UNE-EN 60793-1-43:2015 Optical fibres - Part 1-43: Measurement methods and test procedures - Numerical aperture measurement

South African Bureau of Standard

SANS 60793-1-43:2001 Optical fibres Part 1-43: Measurement methods and test procedures - Numerical aperture

International Organization for Standardization (ISO)

ISO 13319-1:2021 Determination of particle size distribution - Electrical sensing zone method - Part 1: Aperture/orifice tube method

Universal Oil Products Company (UOP)

UOP 578-2011 Automated Pore Volume and Pore Size Distribution of Porous Substances by Mercury Porosimetry

German Institute for Standardization

DIN 66139 E:2010-02 Pore size analysis - Representation of pore size distributions
DIN 66139:2012-03 Pore size analysis - Representation of pore size distributions / Note: To be replaced by DIN 66139 (2022-12).
DIN 66139:2012 Pore size analysis - Representation of pore size distributions
DIN 66139:2022-12 Pore size analysis - Representation of pore size distributions / Note: Date of issue 2022-11-18*Intended as replacement for DIN 66139 (2012-03).
DIN EN 13724 Berichtigung 1:2016-08 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods; German version EN 13724:2013, Corrigendum to DIN EN 13724:2013-07; German version EN 13724:2013/AC:2016

RU-GOST R

GOST R IEC 60793-1-43-2013 Optical fibres. Part 1-43. Measurement methods and test procedures. Numerical aperture

International Electrotechnical Commission (IEC)

IEC 60793-1-43:2001 Optical fibres - Part 1-43: Measurement methods and test procedures; Numerical aperture

CZ-CSN

CSN 50 0405-1994 Filter papers-Determination of the mean flow pore diameter

Canadian General Standards Board （CGSB)

CGSB 148.1 NO.10-94-CAN/CGSB-1994 Methodes D'Essai Des Geosynthetiques Geotextiles - Determination Du Diametre D'Ouverture De Filtration

GSO

BH GSO ISO 15901-1:2016 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption -- Part 1: Mercury porosimetry
OS GSO ISO 15901-1:2015 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption -- Part 1: Mercury porosimetry

Lithuanian Standards Office

LST EN 13724-2003 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods