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Aperture amount

Aperture amount, Total:19 items.

In the international standard classification, Aperture amount involves: Fasteners, Linear and angular measurements, Fibre optic communications, Photography, Products of the textile industry.

Professional Standard - Machinery, Aperture amount

• JB/T 7384.18-1994 Fasteners Gauges for bore diameter of gaskets
• JB/T 8248.2-1999 Method for measurement for effective aperture and relative aperture of camera lenses

IPC - Association Connecting Electronics Industries, Aperture amount

• 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

RU-GOST R, Aperture amount

• GOST 14865-1978 Setting rings for internal measuring instruments. Specifications

National Metrological Technical Specifications of the People's Republic of China, Aperture amount

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

National Metrological Verification Regulations of the People's Republic of China, Aperture amount

• JJG 467-1986 Verification Regulation of Precision Bore Diameter Measuring Instrument

Professional Standard - Electron, Aperture amount

• SJ 2667-1986 Methods of measurement of numerical aperture of optical fibres and cables

International Electrotechnical Commission (IEC), Aperture amount

• IEC 60793-1-43:2015 Optical fibres - Part 1-43: Measurement methods - Numerical aperture measurement

American National Standards Institute （ANSI), Aperture amount

• ANSI/EIA/TIA 455-177A:1992 Numerical Aperture Measurement of Graded-Index Optical Fibers

Heilongjiang Provincial Standard of the People's Republic of China, Aperture amount

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

TIA - Telecommunications Industry Association, Aperture amount

• TIA-455-177-A-1992 FOTP177 Numerical Aperture Measurement of Graded-Index Optical Fibers

British Standards Institution (BSI), Aperture amount

• BS 3321:1986 Method for measurement of the equivalent pore size of fabrics (bubble pressure test)
• BS EN 60793-1-43:2015 Tracked Changes. Optical fibres. Measurement methods and test procedures. Numerical aperture measurement

(U.S.) Telecommunications Industries Association , Aperture amount

• TIA/EIA-455-134-1997 FOTP-134 Measurement of Connector Ferrule Hole Inside Diameter

Korean Agency for Technology and Standards (KATS), Aperture amount

• KS B 5409-2013(2018) Photographic lenses?Methods for the measurement of the effective aperture, F-number and relative aperture

KR-KS, Aperture amount

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

Japanese Industrial Standards Committee (JISC), Aperture amount

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

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