Aperture Size Method

Aperture Size Method, Total:51 items.

The international standard classification for "Aperture Size Method" includes: Fiber and cables , Ceramic products , Geotextiles , Photographic equipment. Projectors , Refractories .

The Chinese standard classification for "Aperture Size Method" includes: Optical communication equipment , Special ceramics , Other textile articles , Lens , Fireproof material in general , Medical apparatus and devices in general .

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 1524-2013 Technical regulations for small aperture measuring instruments with large depth-to-diameter ratio

Professional Standard - Post and Telecommunication

YD/T 816-1996 Multimode optical fibre with large core diameter and large numerical aperture
YD/T 816-2003 Multimode optical fibre with large core diameter and large numerical aperture

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

GB/T 14799-1993 Geotextiles－Determining apparent opening size of a geotextile by sieving
GB/T 1967-1996 Test method for pore diameter of porous ceramic

Professional Standard - Machinery

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

Professional Standard - Electron

SJ/T 10171.10-1991 Measurement methods for performances of separator of alkaline batteries-Determination of maximum Pore diameter in separator-Bubble test

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

JJF 1806-2020 Calibration Specification for Measuring Equipmentof Diameter of Micro and Small Hole

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

Group Standards of the People's Republic of China

T/QGCML 3094-2024 Drill bit used for large-diameter drilling construction of bridge pier pile foundation and its construction method

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

国家药监局

YY/T 0916.20-2019 Small-bore connectors for liquids and gases in healthcare applications―Part 20:Common test methods

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

International Telecommunication Union (ITU)

ITU-R S.726-1 FRENCH-1993 Maximum permissible level of spurious emissions from very small aperture terminals (VSAT)
ITU-R S.726-1 SPANISH-1993 Maximum permissible level of spurious emissions from very small aperture terminals (VSAT)
ITU-R S.728-1 SPANISH-1995 MAXIMUM PERMISSIBLE LEVEL OF OFF-AXIS e.i.r.p. DENSITY FROM VERY SMALL APERTURE TERMINALS (VSATs)
ITU-R S.728-1 FRENCH-1995 MAXIMUM PERMISSIBLE LEVEL OF OFF-AXIS e.i.r.p. DENSITY FROM VERY SMALL APERTURE TERMINALS (VSATs)
ITU-R S.728-1995 Maximum permissible level of off-axis e.i.r.p. density from very small aperture terminals (VSATs)
ITU-R S.725 FRENCH-1992 Technical characteristics for very small aperture terminals (VSATs)

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

ASHRAE AN-04-4-3-2004 Measurement of Pore Size Variation and Its Effect on Energy Wheel Performance

IET - Institution of Engineering and Technology

VERY SML APRT TERM-1992 Very Small Aperture Terminals (VSATs)

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector

ITU-R S.726-1993 Maximum Permissible Level of Spurious Emissions from Very Small Aperture Terminals (VSATs)
ITU-R S.726-1992 Maximum Permissible Level of Spurious Emissions from Very Small Aperture Terminals (VSATs) - Section 4B1 - Systems Aspects
ITU-R S.728-1992 Maximum Permissible Level of Off-Axis e.i.r.p. Density from Very Small Aperture Terminals (VSATs) - Section 4B1 - Systems Aspects

NL-NEN

NEN 5168-1990 Geotextile Determination of the characteristic pore size in dry condition

American Society of Mechanical Engineers (ASME)

ASME MFC-14M-2003 Measurement of Fluid Flow Using Small Bore Precision Orifice Meters
ASME MFC-14M-1995 Measurement of fluid flow using small bore precision orifice meters

RU-GOST R

GOST 26849-1986 Powder materials. Method of pore size determination

German Institute for Standardization

DIN 20311:2002 Drill tubes with diameters exceeding 100 mm for large hole boring in mining
DIN 20311:2002-11 Drill tubes with diameters exceeding 100 mm for large hole boring in mining

CZ-CSN

CSN 50 0402-1994 Filter papers. Determination of the maximum pore diameter

AR-IRAM

IRAM 5158-1960 Hammer hole size

American Society for Testing and Materials (ASTM)

ASTM E128-99(2011) Standard Test Method for Maximum Pore Diameter and Permeability of Rigid Porous Filters for Laboratory Use
ASTM D3576-98 Standard Test Method for Cell Size of Rigid Cellular Plastics

Korean Agency for Technology and Standards (KATS)

KS B 5409-2013 Photographic lenses ? Methods for the measurement of the effective aperture, F-number and relative aperture
KS B 5409-1982 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 F 7003-2016(2021) Standard test method for bi-directional pile load test of large-diameter drilled shafts
KS B 5409-2013(2018) Photographic lenses?Methods for the measurement of the effective aperture, F-number and relative aperture
KS E 3732-1987(2017) Metallic and other non-organic coatings－Measurement of coating thicknesses－Fizeau multiple-beam interferometry method

KR-KS

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

Association Francaise de Normalisation

NF C27-232*NF EN 60970:2007 Insulating liquides - Methods for counting and sizing particles.
NF EN 24003:1993 Permeable sintered metal materials - Determination of pore size - Bulloscopic method

RO-ASRO

STAS 704-1974 Fire-rightingeuipment REDUCING SLEEVESS Sizes

Japanese Industrial Standards Committee (JISC)

JIS B 7095:1997 Photographic lenses -- Methods for the measurement of the effective aperture, F-number and relative aperture
JIS Z 8831-2:2010 Pore size distribution and porosity of solid materials -- Part 2: Analysis of mesopores and macropores by gas adsorption

(U.S.) Ford Automotive Standards

FORD W-GF2-1999 MAX./MIN. MALE RADIUS GAUGE

Indonesia Standards

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

SCC

BS ISO 15901-2:2006 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption-Analysis of mesopores and macropores by gas adsorption

PK-PSQCA

PS 282-1963 METHOD OF TEST FOR AMOUNT OF MATERIAL FINER THAN No. 200 BS SIEVE IN AGGREGATES