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Database: 365,228(8 Aug 2026)

filter secondary

filter secondary, Total:172 items.

The international standard classification for "filter secondary" includes: Optical equipment , Electric filters , Optics and optical measurements , Optoelectronics. Laser equipment , Man-made fibres .

The Chinese standard classification for "filter secondary" includes: Electron optics and other physical optics instrument , Magnifier and microscope , Quartz crystal and piezoelectric element , Optical instrument in general , Microwave and millimeter wave diode and triode , Special electronic technology material , Optical Measurement , Half finished chemical fibre products , Chemical fibre .


Professional Standard - Machinery

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

Group Standards of the People's Republic of China

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

Professional Standard - Textile

Professional Standard - Electron

Taiwan Provincial Standard of the People's Republic of China

Professional Standard - Aerospace

  • QJ 1697-1989 General Specifications for Infrared Interference Filters

Professional Standard - Military and Civilian Products

  • WJ 2278-1995 Regulations for verification of interference filters for wavelength verification of spectrophotometers

Fujian Provincial Standard of the People's Republic of China

Professional Standard - Chemical Industry

  • HG/T 5858-2021 Optical polyethylene terephthalate (PET) films—Protective film for polarizer

Guangdong Provincial Standard of the People's Republic of China

Standard Association of Australia (SAA)

  • AS 1338.2:1981 Filters for eye protectors, Part 2: Filters for protection against ultraviolet radiation
  • AS 1338 PARTS 1 TO 3:1981 Filters for eye protectors
  • AS 1338.3:1981 Filters for eye protectors, Part 3: Filters for protection against infrared radiation
  • AS 1338.1:1981 Filters for eye protectors, Part 1: Filters for protection against radiation generated in welding and allied operations
  • AS 1338:1974 Protective filters against optical radiation in welding and allied operations
  • AS Z45:1967 Specification for protective filters against optical radiation in welding and allied operations

Australian/New Zealand Standard (AU-AS/NZS)

  • AS/NZS 1338.2:2012 Filters for eye protectors, Part 2: Filters for protection against ultraviolet radiation
  • AS/NZS 1338.3:2012 Filters for eye protectors, Part 3: Filters for protection against infra-red radiation
  • AS/NZS 1338.1:2012 Filters for Goggles - Filters used to protect against radiation generated during welding and related operations

Standards Norway

  • NS-EN 379:1994 Spesifications for welding filters with switchable luminous transmittance and welding filters with dual luminous transmittance
  • NS-EN 172:1994 Personal eye protection — Sunglare filters for industrial use
  • NS-EN 379:2003 Personal eye-protection — Automatic welding filters
  • NS-EN 379:2003+A1:2009 Personal eye-protection — Automatic welding filters
  • NS 9303:1986 Personal eye-protectors — Ultra-violet filters — Requirements
  • NS 9304:1986 Personal eye-protectors — Infra-red filters — Requirements
  • NS-EN 207:1993 Personal eye-protection — Filters and eye-protection against laser radiation
  • NS-EN 207:2009 Personal eye-protection equipment — Filters and eye-protectors against laser radiation (laser eye-protectors)
  • NS-EN 207:2017 Personal eye-protection equipment - Filters and eye-protectors against laser radiation (laser eye-protectors)

British Standards Institution (BSI)

  • BS 3668:1963 Specification for red and green filters used in ophthalmic dichromatic and dissociation tests
  • BS 7012-6:1998 Light microscopes. Specification for spectral filters
  • BS 7012-6:1990 Light microscopes-Specification for spectral filters
  • 20/30377825 DC BS ISO 23364. Optics and Photonics. Bulk absorption optical filters
  • BS EN 172:1995(2002) Personal eye protection — Sunglare filters for industrial use
  • BS ISO 9784:2024 Guidelines for biological filtration of secondary effluent for water reuse
  • BS EN 1836:1997 Personal eye protection. Sunglasses and sunglare filters for general use and filters for direct observation of the sun
  • BS EN 207:1994 Specification for filters and equipment used for personal eye-protection against laser radiation
  • BS 3944:1965 Specification for colour filters for theatre lighting and other purposes
  • BS EN 171:1992 Specification for infra-red filters used in personal eye-protection equipment

Military Standards (MIL-STD)

German Institute for Standardization

  • DIN 19030-4:1990-07 Filters for camera lenses, for copying and projection purposes; filters for copiers; determination of filter values
  • DIN ISO 23364 E:2022-05 Optics and photonics - Bulk absorption optical filters
  • DIN ISO 23364:2022-11 Optics and photonics - Bulk absorption optical filters (ISO 23364:2021)
  • DIN 19030-5:1990-07 Filters for camera lenses, for copying and projection purposes; filters for copiers; determination of filter values and filter scales of colour copiers
  • DIN 58131:2016-10 Optical volume filters; Text in German and English
  • DIN ISO 8577:2001-12 Optics and optical instruments - Microscopes - Spectral filters (ISO 8577:1997)
  • DIN EN 1836:1997 Personal eye protection – sunglasses, sunscreen filters for general use and filters for direct viewing of the sun
  • DIN EN 379 A1 E:2008-11 Personal Eye Protection Automatic Welding Filter
  • DIN EN 1836 Berichtigung 1:2006 Personal Eye Protection – Sunglasses and sunscreen filters for general use and filters for direct observation of the sun
  • DIN EN 379:2003-12 Personal eye protection - Automatic welding filters
  • DIN EN 379:2009-07 Personal eye-protection - Automatic welding filters; German version EN 379:2003+A1:2009
  • DIN 15560-38:1988-12 Projectors for film and television studios, stage and photographic use; holders devices, colour filters, coloured plastic films, frames for filters and plastic films
  • DIN EN 379:2003 Personal eye protection Automatic welding protection filters
  • DIN EN 207:2017-05 Personal eye-protection equipment - Filters and eye-protectors against laser radiation (laser eye-protectors); German version EN 207:2017
  • DIN EN 207:2010 Personal eye-protection equipment - Filters and eye-protectors against laser radiation (laser eye-protectors)
  • DIN 58217:1980 Safety technical requirements and tests for sun protection filters
  • DIN EN 1836:2004 Personal eye protection – sunglasses, sunscreen filters for general use and filters for direct viewing of the sun (includes amendments A1:2001 and A2:2002)
  • DIN 19030-3:1985-04 Filters for camera lenses, printing processes and projection; filters for camera lenses, designations

U.S. Military Regulations and Norms

International Organization for Standardization (ISO)

  • ISO 23364:2021 Optics and Photonics — Bulk absorption optical filters
  • ISO/DIS 9784:2011 Guidelines for biological filtration of secondary effluent for water reuse
  • ISO/CD 9784 Guidelines for biological filtration of secondary effluent for water reuse

VN-TCVN

Association of German Mechanical Engineers

CZ-CSN

Korean Agency for Technology and Standards (KATS)

Kingdom of Bahrain Testing and Metrology Directorate

GCC Standardization Organization

  • GSO ISO 8577:2015 Optics and optical instruments -- Microscopes -- Spectral filters

The Directorate General of Specifications and Metrology (DGSM)

Japanese Industrial Standards Committee (JISC)

American Water Works Association (AWWA)

  • AWWA SP250175 Continuous Microfiltration of Secondary Wastewater Effluent
  • AWWA MTC57590 MF Secondary Stage Filtrate for Potable Water Use: A Case Study
  • AWWA MTC57614 Low Fouling Reverse Osmosis Membranes: Evidence to the Contrary on Microfiltered Secondary Effluent

Spanish Association for Standardization (UNE)

  • UNE-EN 1836:2006+A1:2008 Personal eye-equipment - Sunglasses and sunglare filters for general use and filters for direct observation of the sun
  • AENOR UNE-EN 379+A1:2010 Personal eye-protection - Automatic welding filters
  • UNE-EN 379:2004+A1:2010 Personal eye-protection - Automatic welding filters
  • UNE-EN 379:2004 Personal eye-protection - Automatic welding filters
  • UNE-EN 207:2010 Personal eye-protection equipment - Filters and eye-protectors against laser radiation (laser eye-protectors)
  • UNE-EN 207:2018 Personal eye-protection equipment - Filters and eye-protectors against laser radiation (laser eye-protectors)
  • AENOR UNE-EN 207:2018 Personal eye-protection equipment - Filters and eye-protectors against laser radiation (laser eye-protectors)

Danish Standards Foundation

  • DANSK DS/EN 172:1995 Personal eye protection – Sunglare filters for industrial use
  • DS/EN 379+A1:2009 Personal eye-protection - Automatic welding filters
  • DANSK DS/EN 207:2017 Personal eye-protection equipment – Filters and eye-protectors against laser radiation (laser eye-protectors)
  • DANSK DS/EN 207/AC:2010 Personal eye-protection equipment – Filters and eye-protectors against laser radiation (laser eye-protectors)

South African Bureau of Standard

  • SANS 50172:2018 Personal eye protection - Sunglare filters for industrial use

BE-NBN

  • NBN-EN 379-1994 Specification for welding filters with switchable luminous transmittance and welding filters with dual luminous transmittance

Defense Logistics Agency

Association Francaise de Normalisation

Ente Nazionale Italiano di Unificazione

Lithuanian Standards Office

Swedish Institute for Standards

Society of Automotive Engineers (SAE)

IN-BIS

  • IS 10567-1983 Dimensions and designations of optical filter holders for photographic equipment

Underwriter Laboratories of Canada (ULC)