Instruments for measuring gas content

Instruments for measuring gas content, Total:200 items.

The international standard classification for "Instruments for measuring gas content" includes: Measuring instruments , Ergonomics , Iron ores , Radiation protection , Chemical analysis , Vibration and shock with respect to human beings , Ferroalloys .

The Chinese standard classification for "Instruments for measuring gas content" includes: Material composition analysis instrument and environment detection instrument in general , Human Engineering , Iron ore , Radiation protection instrument , Industrial gas and chemical gas , Basic standards and general methods , Chemical Measurement , Coke , Steel and iron alloy analysis method .

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

GB/T 26570.1-2011 Determination of particle in gases—Light-scattering method—Part 1:Determination of particle in pipeline gases
GB/T 6730.50-2016 Iron ores--Determination of carbon content--Gas volumetric method
GB/T 46918.1-2025 Microbubble Technology - Method for Measuring Gas Content in the Microbubble Dispersed System in Water - Part 1: Oxygen Content
GB/T 5704-2008 Measuring instruments for anthropometry
GB/T 23716-2009 Human response to vibration - Measuring instrumentation
GB/T 5704.1-1985 Measuring instruments for anthropometry--Anthropometer
GB/T 46918.2-2025 Microbubble Technology - Measurement Method for Gas Content in Microbubble Dispersion System in Water - Part 2: Hydrogen Content
GB/T 21254-2017 Breath alcohol analyzer
GB/T 13163.3-2014 Radiation protection instrumentation―Radon and radon decay product measuring instruments―Part 3:Specific requirements for radon decay product measuring instruments
GB/T 5704.2-1985 Measuring instruments for anthropometry--Sliding caliper for anthropometry
GB/T 21254-2007 Breath alcohol analyzers
GB/T 5704.4-1985 Measuring instruments for anthropometry--Coordinate caliper for anthropometry
GB/T 5704.3-1985 Measuring instruments for anthropometry--Spreading caliper for anthropometry

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

JJG 166-2020 Sand concentration meter
JJG(交通) 094-2009 Air Entrainment Meter of Freshly Mixed Concrete by The Volumetric Method
JJG 657-1990 Detector for Alcoholic Quantity from Breathing-out Gas
JJG 657-2006 Verification Regulation of Detector for Alcoholic Quantity from Breathing-out Gas
JJG 657-2019 Breath Alcohol Analyzers

Professional Standard - Construction Industry

JG/T 246-2009 Apparatus to determine air content of fresh concrete

Professional Standard - Public Safety Standards

GA 307-2001 Breath alcohol detector
GA/T 48-1993 breath alcohol detector

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

JJF 1785-2019 Program of Pattern Evaluation of Breath Alcohol Analyzers
JJF 2332-2025 Calibration Specification for Concrete Air Content Meters

Professional Standard - Commodity Inspection

SN/T 1083.3-2002 Determination of sulfur content in coke-Instrumental method

Professional Standard - Ferrous Metallurgy

YB/T 5340-2015 Ferrophosphorus. Determination of carbon content. Gas-volumetric method

Professional Standard - Water Conservancy

SL 132-1995 Calibration method for vapor-pressure type air entrainment tester

Association Francaise de Normalisation

NF C23-558:1992 Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for group II apparatus indicating up to 100 per cent (V/V) gas.
NF EN 61577-2:2017 Instrumentation for radiation protection - Instruments for measuring radon and radon progeny - Part 2: specific requirements for 222Rn and 220Rn measuring instruments
NF C23-557:1992 Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for group II apparatus indicating up to 100 per cent lower explosive limit.
NF EN 61577-3:2015 Instrumentation for radiation protection - Instrument for measuring radon and radon progeny - Part 3: specific requirements for instruments for measuring radon progeny
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
NF E90-403:2005 Human response to vibration - Measuring instrumentation.
NF ISO 3930:2001 Vehicle exhaust gas measuring instruments
NF C23-570:2007 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen.
NF C23-570*NF EN 50270:2015 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
NF C42-123:1997 Electrical measuring instruments - Identification of thermocouples

American Petroleum Institute (API)

API 4121-1971 IMPROVED INSTRUMENTATION FOR DETERMINATION OF EXHAUST GAS OXYGENATE CONTENT

Spanish Association for Standardization (UNE)

UNE 82501:2004 Measuring instruments. Instruments intended to measure the emissions of exhaust pollutant gaz of motor vehicles. Characteristics and test methods.
UNE-EN 61028:1997 ELECTRICAL MEASURING INSTRUMENTS. X-Y RECORDERS.
UNE-EN 61028/A1:1997 ELECTRICAL MEASURING INSTRUMENTS. X-Y RECORDERS.
UNE-EN 61028/A2:1999 ELECTRICAL MEASURING INSTRUMENTS. X-Y RECORDERS.
UNE-CEN/TS 15104:2008 EX Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
UNE 7349:1976 DETERMINATION OF CAST IRON AND STEEL CARBON CONTENT. GASOMETRIC METHOD.
UNE 135212:1998 EX ROAD MARKING EQUIPMENT. PAINTS. TEST METHODS. DETERMINATION OF SOLID CONTENT. INSTRUMENTAL METHOD.

Gosstandart of Russia

GOST 8.578-2002 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring the content of components in gaseous media
GOST 8.578-2008 State system for ensuring the uniformity of measurements. State verification scheme for measuring instruments of the content of components in gaseous media
GOST 8.578-2014 State system for ensuring the traceability of measurements. State hierarchy scheme for measuring instruments of the content of components in gaseous mediums
GOST R 8.641-2008 State sysem for ensuring the iniformity of measurements. State verification scheme for measuring instruments of the water solutions ion content by electrochemical methods (pX measuring instruments)
GOST IEC 61028-2017 Electrical measuring instruments. X-Y recorders
GOST R 8.676-2009 State system for ensuring the uniformity of measurements. State verification scheme for instruments measuring ethanol content in gaseous and liquid media
GOST 32985-2014 Solid biofuels. Determination of carbon, hydrogen and nitrogen by instrumental methods
GOST 8.563.2-1997 State system for ensuring the uniformity of measurements. Measurement of liquids and gases flow rate and quantity by differential pressure method. Measurement procedure by orifice instruments
GOST R 8.899-2015 State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Verification of measurement procedure
GOST 8.652-2016 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring mass concentration of dissolving in water gasses (oxygen, hydrogen)
GOST R 54216-2010 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen by instrumental methods
GOST R 8.766-2011 State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring mass concentration dissolving in water gasses (oxygen, hydrogen)
GOST R 8.912-2016 State system for ensuring the uniformity of measurements. Measuring instruments for anesthetic gases. Verification procedure
GOST 4.189-1985 System of product-quality indices. Electrical measuring resording instruments. Nomenclature of indices
GOST 8.586.5-2005 State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Part 5. Measurement procedure

South African Bureau of Standard

SANS 1698:2007 Verification standards for the verification of volume-measuring instruments, including commercial standards of volume
SANS 12902:2007 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO IEC 60050-300-313:2024 International Electrotechnical Vocabulary – Electrical and Electronic Measurements and Measuring Instruments – Part 313: Types of Electricity Measuring Instruments
BH GSO ISO 29541:2016 Solid mineral fuels -- Determination of total carbon, hydrogen and nitrogen content -- Instrumental method

Japanese Industrial Standards Committee (JISC)

JIS B 7983:1994 Continuous analyzers for oxygen in flue gas
JIS B 7983:1994 AMD 1:2006 Continuous analyzers for oxygen in flue gas (Amendment 1)
JIS Z 4511:2005 Methods of calibration for exposure meters, air kerma meters, air absorbed dose meters and dose-equivalent meters

Magyar Szabványügyi Testület

MSZ 808-1962 Electrical measuring instruments
MSZ 1709/4.lap-1969 Measurement of liquid flow, with measuring instruments
MNOSZ 10152-1952 Capacity analysis instrument. Wide-neck glass measuring instrument Kohlrausch model measuring instrument
MSZ 10064-1981 Instruments measure flammable liquid output

American National Standards Institute （ANSI)

ANSI/ASME MFC-4M-1986 Measurement of Gas Flow by Turbine Meters

Indonesia Standards

SNI 19-4843-1998 Metode pengujian kandungan gas hidrokarbon (HC) di udara dengan alat kromatografi gas

British Standards Institution (BSI)

BS 6020-2:1981 Instruments for the detection of combustible gases - Specification for safety and performance requirements for Group I instruments reading up to 5% methane in air
PD CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon@ hydrogen and nitrogen - Instrumental methods
BS EN 15104:2011 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen. Instrumental methods
BS EN 61028:1993(2000) Electrical measuring instruments — X - Y recorders
BS DD CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
BS 7482-2:1991 Instrumentation for the measurement of vibration exposure of human beings-Specification for instrumentation for measuring vibration transmitted to the hand
BS EN 61577-2:2017 Radiation protection instrumentation. Radon and radon decay product measuring instruments - Specific requirements for 222Rn and 220Rn measuring instruments
BS ISO 29541:2010 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental method
BS 7482-1:1991 Instrumentation for the measurement of vibration exposure of human beings-Specification for general requirements for instrumentation for measuring the vibration applied to human beings
17/30356584 DC BS EN 61577-2. Radiation protection instrumentation. Radon and radon dec ay product measuring instruments. Part 2. Specific requirements for <sup>222</sup>Rn and <sup>220</sup>Rn measuring instruments
BS DD CEN/TS 15104:2006 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
BS EN 61028:1993 Specification for electrical measuring instruments. X-Y recorders
BS EN 61577-3:2014 Radiation protection instrumentation. Radon and radon decay product measuring instruments - Specific requirements for radon decay product measuring instruments
BS 7482-3:1991 Instrumentation for the measurement of vibration exposure of human beings-Specification for instrumentation for measuring vibration exposure to the whole body
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS ISO 7383-2:2024 Fine bubble technology. Evaluation method for determining gas content in fine bubble dispersions in water - Hydrogen content
BS DD ENV 28041:1993 Human response to vibration. Measuring instrumentation
BS EN ISO 7726:2001(2002) Ergonomics of the thermal environment — Instruments for measuring physical quantities
BS 1428-K1:1958 Vapourimetric molecular weight determination apparatus microchemical apparatus accessories for physical gravimetric methods
09/30181371 DC BS ISO 29541. Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen content. Instrumental method

GCC Standardization Organization

GSO ISO 29541:2014 Solid mineral fuels -- Determination of total carbon, hydrogen and nitrogen content -- Instrumental method
GSO ISO 8041:2013 Human response to vibration -- Measuring instrumentation
GSO OIML D17:2011 Hierarchy scheme for instruments measuring the viscosity of liquids

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 29541:2014 Solid mineral fuels -- Determination of total carbon, hydrogen and nitrogen content -- Instrumental method
OS GSO OIML R103:2002 MEASURING INSTRUMENTATION FOR HUMAN RESPONSE TO VIBRATION
OS GSO IEC 60050-300-313:2007 International Electrotechnical Vocabulary – Electrical and Electronic Measurements and Measuring Instruments – Part 313: Types of Electricity Measuring Instruments
OS GSO OIML R108:2007 REFRACTOMETERS FOR THE MEASUREMENT OF THE SUGAR CONTENT OF FRUIT JUICES

Association of German Mechanical Engineers

VDI/VDE/DGQ/DKD 2622 BLATT 24.2-2025 Kalibrieren von Messmitteln fuer elektrische Groessen - Leistungsqualitaet
VDI 2066 Blatt 1-2005 Measurement of particulate matter - Gravimetric determination of dust load
VDI VDE DGQ DKD 2622 Blatt-2 E:2013-10 Calibration of measuring equipment for electrical quantities - Methods for determining measurement uncertainty

Swedish Institute for Standards

SIS SS-EN 50 055-1992 Electrical apparatusfor the detection and measurement ofcombustible gases - Performance requirements for Group I apparatus indicating upto5% (v/v) methane in air
SIS SS 443 51 15-1989 Electrical measuring instruments — Terminology
SIS SEN 21 08 56-1969 Electrical apparatus for explosive gas atmospheres Measuring instruments and accessories
SS-ISO 3930:2005 Instruments for measuring vehicle exhaust emissions (ISO 3930:2000, IDT)
SS-EN 61028:1993 Electrical measuring instruments - X-Y-recorders
SS-EN ISO 8041:2005 Human response to vibration - Measuring instrumentation (ISO 8041:2005)

Korean Agency for Technology and Standards (KATS)

KS R ISO 3930:2008 Instruments for measuring vehicle exhaust emissions
KS C IEC 61028-2023 Electrical measuring instruments－X-Y recorders
KS B ISO 9951-2014(2019) Measurement of gas flow in closed conduits — Turbine meters
KS C IEC 61577-3-2014(2019) Radiation protection instrumentation — Radon and radon decay product measuring instruments — Part 3: Specific requirements for radon decay product measuring instruments
KS C IEC 61577-3-2014(2024) Radiation protection instrumentation — Radon and radon decay product measuring instruments — Part 3: Specific requirements for radon decay product measuring instruments
KS B ISO 8041-2013 Human response to vibration－Measuring instrumentation
KS B ISO 8041-2019 Human response to vibration－Measuring instrumentation
KS B ISO TR 3313:2014 Measurement of fluid flow in closed conduits — Guidelines on the effects of flow pulsations on flow-measurement instruments
KS C IEC 61577-2-2022 Radiation protection instrumentation — Radon and radon decay product measuring instruments — Part 2: Specific requirements for 222Rn and 220Rn measuring instruments

Danish Standards Foundation

DANSK DS/EN 61028:1994 Electrical measuring instruments - X-Y recorders
DANSK DS/ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
DS/ISO 29541:2011 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
DS/EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
DANSK DS/CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
DS/EN ISO 8041:2005 Human response to vibration - Measuring instrumentation
DANSK DS/EN ISO 8041:2005 Human response to vibration – Measuring instrumentation
DS/EN ISO 8041/AC:2008 Human response to vibration - Measuring instrumentation
DS/ENV 28041:1993 Human response to vibration. Measuring instrumentation

German Institute for Standardization

DIN EN 61028/A2:1998-12 Electrical measuring instruments - X-Y recorders; Amendment A2 (IEC 61028:1991/A2:1997); German version EN 61028:1993/A2:1997
DIN EN 15104:2011-04 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
DIN 51724-3:2012 Solid mineral fuels - Determination of sulfur content - Part 3: Instrumental methods
DIN CEN/TS 15104:2005 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version CEN/TS 15104:2005
DIN 51724-3:2012-07 Solid mineral fuels - Determination of sulfur content - Part 3: Instrumental methods
DIN 51855-7:1986-12 Testing of gaseous fuels and other gases; determination of the content of sulfur compounds; gaschromatographic determination of the content of odoriferous sulfur compounds using an electrochemical detector
DIN EN 13625:2002-03 Non-destructive testing - Leak test - Guide to the selection of instrumentation for the measurement of gas leakage; German version EN 13625:2001
DIN 51854:1993-09 Testing of gaseous fuels and other gases; determination of ammonia content
DIN 51724-3:2008 Solid mineral fuels - Determination of sulfur - Part 3: Instrumental methods
DIN EN 50270:2007 Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen; German version EN 50270:2006
DIN 43807:1983-10 Measuring and control; electrical measuring instruments; terminal markings for switchboard meters, panel meters and measuring transducers for the measurement of power and power factor
DIN 2271-2:1976 Pneumatic Length Measurement (Air Gauging); Design Features of Instruments Working in the High Pressure Range
DIN EN 61028:1993-12 Electrical measuring instruments; X-Y recorders (IEC 61028:1991); German version EN 61028:1993 / Note: A transition period, as set out in DIN EN 61028/A1 (1996-06), exists until 2001-04-01.
DIN EN 15104 E:2010-07 Draft Document - Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods; German version FprEN 15104:2010
DIN 51724-3 E:2011-09 Draft Document - Solid mineral fuels - Determination of sulfur content - Part 3: Instrumental methods
DIN 58667:1966 German meteorological instrument rain gauge glass cylinder
DIN 51724-3:2008-03 Solid mineral fuels - Determination of sulfur - Part 3: Instrumental methods
DIN 16086:2006-01 Electrical pressure measuring instruments - Pressure transmitters, pressure measuring instruments - Concepts, specifications on data sheets

Standards Norway

SN-CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
NS-EN 15104:2011 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods

Comitato Elettrotecnico Italiano

CEI EN 61028:1998 Electrical measuring instruments - X-Y recorders

International Organization for Standardization (ISO)

ISO/CD 29541:1976 Solid mineral fuels — Determination of total carbon, hydrogen and nitrogen content — Instrumental method
ISO 29541:2010 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
ISO/TS 12902:2001 Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
ISO 3930:2000 Instruments for measuring vehicle exhaust emissions
ISO/TR 3313:1998 Measurement of fluid flow in closed conduits - Guidelines on the effects of flow pulsations on flow-measurement instruments
ISO/TR 3313:2018 Measurement of fluid flow in closed conduits - Guidelines on the effects of flow pulsations on flow-measurement instruments

Lithuanian Standards Office

LST EN 15104-2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods

Bureau of Indian Standards

IS 8945-1987 Specification for electrical measuring instruments for use in explosive gas atmospheres
IS 16612-2018 Solid Mineral Fuels —— Determination of Total Carbon, Hydrogen and Nitrogen Content —— Instrumental Method
IS 14571-1998 Electrical measuring instruments - X-Y recorders
IS/ISO 8041-2005 Human response to vibration - Measuring instrumentation
IS 14737-1999 Human Response to Vibration - Measuring Instrumentation

Yugoslav Association for Standardization

JUS H.F8.201-1986 Gases. Determination of vvater content. Oravimetric method
JUS H.F8.132-1986 Gases. Determination of nitrogen content. Gas chromatographic method
JUS H.F8.131-1986 Gases. Determination of nitrogen content. Indirect method
JUS H.F8.141-1986 Gases. Determination of argon content in argon. Indirect method
JUS H.F8.125-1986 Gases. Determination of oxygen content Colorimetric method

Standard Association of Australia （SAA）

AS 1827:1975 Instruments for measuring gas concentration in explosive atmospheres

Czech Standards Institute (UNMZ)

CSN 38 5526-1961 Determination of che benzole content and carbonisacion gasoline content in gas
CSN 25 7503-1966 Flow volumetric measuring apparatuses for liquids. Basic regulations
CSN 70 4241-1967 Glass apparatus for the determination of carbon in technical iron
CSN 38 5527-1963 Determination of the heating gases moisture content
CSN 25 7502-1966 Dosing volumetric measuring apparatuses for liquids. Basic regulations
CSN 35 6250-1962 Cases of panel and switchboard electrical measuring pointer instrumenta. Classification
CSN 25 7501-1966 Volumetric measuring apparatuses for liquids. Common regulations

European Committee for Standardization (CEN)

EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
EN 13625:2001 Non-destructive testing - Leak test - Guide to the selection of instrumentation for the measurement of gas leakage

Welding Research Council

BULLETIN 318-1986 FACTORS INFLUENCING THE MEASUREMENT OF FERRITE CONTENT IN AUSTENITIC STAINLESS STEEL WELD METAL USING MAGNETIC INSTRUMENTS ; MEASUREMENTS OF FERRITE CONTENT IN AUSTENITIC STAINLESS STEEL WELD METAL GI

Ente Nazionale Italiano di Unificazione

UNI EN 16314:2013 Gas meters - Additional functionalities
UNI EN 15104:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
UNI 11761:2023 Emissions and air quality - Instrumentale odour measure using IOMS (Instrumental Odour Monitoring Systems)
UNI EN ISO 8041:2005 Human response to vibration - Measuring instrumentation

Asociación Española de Normalización (AENOR)

AENOR UNE-EN 61028:1997 ELECTRICAL MEASURING INSTRUMENTS. X-Y RECORDERS.
AENOR UNE-CEN/TS 15104 EX:2008 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods

American Society for Testing and Materials (ASTM)

ASTM D7166-05 Standard Practice for Total Sulfur Analyzer Based On-line/At-line for Sulfur Content of Gaseous Fuels
ASTM STP 555-1974(1979) Air quality monitoring equipment
ASTM D5454-11(2020) Standard Test Method for Water Vapor Content of Gaseous Fuels Using Electronic Moisture Analyzers
ASTM D5454-93(1999) Standard Test Method for Water Vapor Content of Gaseous Fuels Using Electronic Moisture Analyzers
ASTM D5454-04 Standard Test Method for Water Vapor Content of Gaseous Fuels Using Electronic Moisture Analyzers

Polski Komitet Normalizacyjny (PKN)

PN E88000-1969 Switchboard electrical measuring instruments Main overall dimenjions
PN G04514-17-1993 Solid fuel. Determination of sulphur. Determination of sulphur by using automatic analysers
PN M53265-1964 Measuring instruments Cylinder dial gauges

National Standardisation Body (ASRO)

STAS 11071/21-1990 Hierarchy of measuring instruments. Block diagram of hierarchy of measuring instrument for thermal neutrons flux density

Belgian Standards Institute

NBN-EN 30012-1-1994 Quality assurance requirements for measuring equipment. Part 1: Metrological confirmation system for measuring equipment (ISO 10012-1: 1992)

American Welding Society (AWS)

AWS A4.2-1986 STANDARD PROCEDURES FOR CALIBRATING MAGNETIC INSTRUMENTS TO MEASURE THE DELTA FERRITE CONTENT OF AUSTENITIC STAINLESS STEEL WELD METAL
AWS A4.2-1974 STANDARD PROCEDURES FOR CALIBRATING MAGNETIC INSTRUMENTS TO MEASURE THE DELTA FERRITE CONTENT OF AUSTENITIC STAINLESS STEEL WELD METAL

American Association of State Highway and Transportation Officials

AASHTO T 199-2000 Standard Method of Test for Air Content of Freshly Mixed Concrete by the Chace Indicator

European Committee for Electrotechnical Standardization（CENELEC）

HD 401-1980 Safety Requirements for Electronic Measuring Apparatus

Institute of Electrical and Electronics Engineers (IEEE)

AIEE No 33-1927 AIEE Standards - Electrical Measuring Instruments

International Electrotechnical Commission (IEC)

IEC 60476:1974 Electrical measuring instruments utilizing radioactive sources

U.S. Military Regulations and Norms

ARMY A-A-52565 A-2002 SURVEYING INSTRUMENT; AZIMUTH GYRO, LIGHTWEIGHT (SIAGL)
ARMY MIL-HDBK-705 C-1987 GENERATOR SETS, ELECTRIC, MEASUREMENTS AND INSTRUMENTATION METHODS

Universal Oil Products Company (UOP)

UOP 735-1973 Hydrogen Content of Gases by Gas Chromatography

Others: instrument for measuring alcohol content,Instruments for measuring gases,What instrument is used to measure the content of,Instruments for measuring gas content,Instruments for Measuring Metal Content,Instruments for measuring gas flow,An instrument for measuring the content of a substance,Instruments for Measuring Toxic Gases