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Database: 365,228(8 Aug 2026)

bx-21 phase meter

bx-21 phase meter, Total:71 items.

The international standard classification for "bx-21 phase meter" includes: Moulding equipment , Geology. Meteorology. Hydrology , Hydraulic energy engineering .

The Chinese standard classification for "bx-21 phase meter" includes: Radio Measurement , Electromagnetic Measurement , Dedicated processing equipment , Photosensitive material , Mould , Hydrology and water conservancy instrument , Water power engineering .


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

Military Standard of the People's Republic of China-General Armament Department

  • GJB/J 3603-1999 Calibration procedures for low frequency phase meters
  • GJB/Z 70-1995 Very low frequency (VLF) radio system radio wave field strength and phase calculation method

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

Professional Standard - Electron

  • SJ 20245-1993 Verification regulation of LF digital phase meter
  • SJ 20246-1993 Verification regulation of HF digital phase meter
  • SJ/T 31201-1994 Requirements of Readiness and Methods of Inspection and Assessment for P417 21-station Sealing Machines

Professional Standard - Light Industry

  • QB/T 1728-1993 ISO 100/21℃ Black -and-white sheet films for still camera
  • QB/T 1729-1993 ISO 100/21℃ black -and -white panchromatic negative roll film for still photography

Professional Standard - Chemical Industry

Tianjin Provincial Standard of the People's Republic of China

  • DB12/ 046.21-2011 Calculation method and limit of comprehensive energy consumption per unit output of products Part 21: Extruded aluminum profiles

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

Professional Standard - Energy and Power Planning

Shanghai Provincial Standard of the People's Republic of China

  • DB31/T 329.21-2019 Safety technology prevention system requirements for important parts of key units Part 21: Elderly care institutions

Professional Standard - Railway

  • TB/T 2075.21-2002 Fittings for overhead contact system of electrification railway-Part 21:Steady tube

Professional Standard - Military and Civilian Products

  • WJ 1478.21-2007 Indexable tools - Part 21: 90° screw fastening external turning tool

Professional Standard - Machinery

  • JB/T 10181.21-2014 Electric Cables - Calculation of the Current Rating - Part 21: Thermal Resistance - Calculation of Thermal Resistance

Gosstandart of Russia

  • GOST 8.462-1982 State system of ensuring the uniformity of measurements. Superhigh frequency phasemeters and phaseshifters. Methods and means of verification

Cuban Institute of Standards and Metrology

  • NC 90-15-34-1987 Metrological Assurance Phasemeters, Class 0.5 Methods and Means of Verification

British Standards Institution (BSI)

  • BS BIP 2107:2006 Auditing for the 21st century
  • 12/30261768 DC BS ISO 16000-21. Indoor air. Part 21. Detection and enumeration of moulds. Sampling from materials
  • BS 7590:1992 Method for statistically estimating the volume fraction of phases and constituents by systematic manual point counting with a grid
  • BS 1740-1:1971 Specification for wrought steel pipe fittings (screwed BS 21 R-series thread)-Metric units
  • 06/30144845 DC IEC 60695-1-21. Fire hazard testing. Part 1-21. Ignitability. Summary and relevance of test methods
  • 08/30178200 DC BS ISO 22915-21. Industrial trucks. Verification of stability. Part 21. Order-picking trucks with operator position elevating above 1200mm

International Telecommunication Union (ITU)

Association Francaise de Normalisation

  • NF C46-903-21*NF EN 61334-3-21:1996 Distribution automation using distribution line carrier systems. Part 3 : mains signalling requirements. Section 21 : mv phase-to-phase isolated capacitive coupling device.

Standard Association of Australia (SAA)

  • AS 1824.2:1985 Insulation coordination (phase-to-earth and phase-to-phase, above 1 kV) - Application guide

Canadian General Standards Board (CGSB)

Military Standards (MIL-STD)

U.S. Air Force

Danish Standards Foundation

Aeronautical Radio Inc.

Spanish Association for Standardization (UNE)

  • AENOR UNE 21099:1966 Indicative hourly indices of the phase position for the conductors of three-phase networks.
  • UNE 21099:1966 INDICATIVE TIMETABLE INDEX OF PHASE POSITION FOR TRIPHASIC NETWORKS CONDUCTORS

German Institute for Standardization

  • DIN EN 12470-2:2009 Clinical thermometers - Part 2: Phase change type (dot matrix) thermometers(includes Amendment A1:2009); English version of DIN EN 12470-2:2009-11
  • DIN ISO 16000-21 E:2012 Draft Document - Indoor air - Part 21: Detection and enumeration of moulds - Sampling from materials (ISO/DIS 16000-21:2012)
  • DIN EN 62054-21:2005-06 Electricity metering (a.c.) - Tariff and load control - Part 21: Particular requirements for time switches (IEC 62054-21:2004); German version EN 62054-21:2004

Standards Norway

Standards New Zealand

  • NZS/BS 1740.1:1971 Specification for wrought steel pipe fittings (screwed BS 21 R-series thread) - Metric units
  • NZS 6501:1982 Units of Measurement (ISO Standards Handbook 2 - 1982) (Corrigendum 1 1983)

Korean Agency for Technology and Standards (KATS)

American Water Works Association (AWWA)

  • AWWA ACE58251 Succession Planning — The Second Challenge of the 21st Century

Internet Engineering Task Force (IETF)

Ente Nazionale Italiano di Unificazione

  • UNI 9112:1987 Dial type expansion and bimetal thermometers. Mounting positions and relevant symbols.

Underwriters Laboratories (UL)

Chile Instituto Nacional de Normalización

Association of German Mechanical Engineers

  • VDI 2142-1962 Plain linkages; calculation of four-bar linkages for four given relative positions in finite and infinite adjacent distance

International Dairy Federation (IDF)

  • IDF 132-2004 Milk - Estimation of psychrotrophic microorganisms - Colony-count technique at 21℃ (Rapid method)