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How to measure aperture

How to measure aperture, Total:28 items.

The international standard classification for "How to measure aperture" includes: Photographic equipment. Projectors , Microbiology of water , Optoelectronics. Laser equipment , Geotextiles .

The Chinese standard classification for "How to measure aperture" includes: Lens , Separating machinery , Optoelectronic device assembly , Other textile articles .


Professional Standard - Machinery

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

Professional Standard - Electron

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

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

  • GB/T 32361-2015 Test methods for pore size properties of membrane filters—Bubble point and mean flow pore test
  • GB/T 14799-1993 Geotextiles-Determining apparent opening size of a geotextile by sieving
  • GB/T 44293-2024 Image measurement method for numerical aperture of microscopic objective

American Gear Manufacturers Association

American Water Works Association (AWWA)

  • AWWA MTC57561 Effective Evaluation of Membrane Process Performance against GAC and Coagulation Processes: What is Effective Pore Size Distribution?
  • AWWA ACE62971 What Matters? A Risk Based Approach to Priority Setting
  • AWWA WQTC69463 Monitoring Algal Toxins in French Freshwaters: What Are the Most Relevant Toxins and the Best Analytical Methods?
  • AWWA WQTC64098 What's a Plant to Do? A Systematic Approach for Simplifying Complex Treatment Process Selection Decisions

Institute of Interconnecting and Packaging Electronic Circuits (IPC)

Korean Agency for Technology and Standards (KATS)

  • KS B 5409-2023 Methods for the measurement of the effective aperture, F-number and relative aperture of photographic lenses
  • KS B 5409-2013(2018) 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 5409-2013 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

Japanese Industrial Standards Committee (JISC)

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

American Petroleum Institute (API)

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

British Standards Institution (BSI)

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

International Electrotechnical Commission (IEC)

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

American National Standards Institute (ANSI)

Indonesia Standards

Comitato Elettrotecnico Italiano

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