Entropy instrument

Entropy instrument, Total:301 items.

The international standard classification for "Entropy instrument" includes: Metrology and measurement in general , Geology. Meteorology. Hydrology , Other textile machinery , Laboratory medicine .

The Chinese standard classification for "Entropy instrument" includes: Monitoring instrument , Hydrology and water conservancy instrument , Engineering investigation and geotechnical engineering in general , Textile testing instrument , Medical laboratory equipment .

Professional Standard-Ships

CB 1085.7-1989 Man-hour rated transformer for instrumentation manufacturing

Professional Standard - Machinery

JB/T 9298-1999 Generic specification of electronic power supply Transformers for use in instrument
JB/T 8214.6-1999 QDZ process pneumatic control system Differential pressure transmitters
JB/T 7439.7-1994 Terminology relating to laboratory instruments - Strain measuring instrument
JB/T 8214.7-1999 QDZ process pneumatic control system Pressure transmitters
JB/T 9330-1999 The basic parameter for diaphragm plate of optical instrument
JB/T 13150-2017 Nondestructive testing instrument. Variable array probe for eddy current testing instrument

Hunan Provincial Standard of the People's Republic of China

DB43/T 879.2-2014 Frequency conversion power measuring instrument analyzer
DB43/T 879.1-2014 Transmitter for measurement of frequency conversion electric quantity measuring instrument

Professional Standard - Energy and Power Planning

DL/T 1400.3-2023 Calibration specification of transformers tester-Part 3: Temperature measuring devices for oil-immersed transformers
DL/T 1952-2018 Calibration specification of power transformers winding deformation tester
DL/T 1951-2018 General technical specification for winding deformation tester of power transformers

Professional Standard - Nuclear Industry

EJ/T 1049-1997 Spectroscopic analog-to-digital converter

Professional Standard - Earthquake

DB/T 31.2-2008 Technical requirements of instruments in network for earthquake monitoring.The instrument for crustal deformation observation. Part 2: Strainmeter
DB/T 31.1-2008 Technical requirements of instruments in network for earthquake monitoring.The instrument for crustal deformation observation. Part 1: Tiltmeter

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

GB/T 21043-2007 Instrument for soil test—Strain-controlled unconfined compression apparatus
GB/T 3408.2-2008 Instrument for dam monitoring - Strain meter - Part 2: Vibrating wire strain meter
GB/T 4934.1-2008 Instrument for soil test - Shear apparatus - Part 1: Strain-controlled direct shear apparatus
GB/T 3408.1-2008 Instrument for dam monitoring - Strain meter - Part 1: Unbonded elastic wire resistance strain meter
GB/T 24107.1-2009 Instrument for soil test—Triaxial apparatus—Part 1:Strain controlled triaxial apparatus

Group Standards of the People's Republic of China

T/QGCML 3042-2024 Transformer winding deformation tester after-sales consulting service specifications
T/JSEE 007-2018 Calibration specification for DC demagnetizing tester on power transformer

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

JJF 1469-2014 Calibration Specification for Measuring Instrumentations for Strain Gauge Transducer

Professional Standard - Textile

FZ/T 01024-1993 Instrumental assessment of change in colour for determination of grey scale rating

Professional Standard - Energy

NB/T 20318-2014 Pressure transmitter important to safety in nuclear power plants

Professional Standard - Medicine

YY/T 1460-2016 Blood rheometer

British Standards Institution (BSI)

BS 81:1919 Instrument transformers
BS 81:1927 Instrument transformers
BS 81:1936 Instrument transformers
BS EN 60044-2:1999 Instrument transformers - Inductive voltage transformers
BS EN 60044-8:2002 Instrument transformers - Electronic current transformers
BS EN 60044-7:2000 Instrument transformers - Electronic voltage transformers
BS EN 60044-3:2003 Instrument transformers - Combined transformers
12/30274900 DC BS IEC 61869-9. Instrument transformers. Part 9. Digital interface for instrument transformers
12/30267268 DC BS EN 61869-9. Instrument Transformers. Part 9. Digital interface for instrument transformers
BS EN 61869-3:2011 Instrument transformers. Additional requirements for inductive voltage transformers
BS EN 61869-3:2012 Instrument transformers. Additional requirements for inductive voltage transformers
BS EN 61577-3:2014 Radiation protection instrumentation. Radon and radon decay product measuring instruments - Specific requirements for radon decay product measuring instruments
BS EN IEC 61869-1:2024 Instrument transformers - General requirements
BS IEC 61577-3:2002 Radiation protection instrumentation. Radon and radon decay product measuring instruments-Specific requirements for radon decay product measuring instruments
BS EN 60044-1:1999 Instrument transformers - Current transformers
05/30142363 DC IEC 60044-1. Instrument transformers. Part 1. Current transformers
13/30267601 DC BS EN 61869-6. Instruments transformers. Part 6. Additional general requirements for Low Power Instrument Transformers
BS EN 50482:2008 Instrument transformers - Three-phase inductive voltage transformers having Um up to 52kV
BS EN 61869-4:2014 Instrument transformers. Additional requirements for combined transformers
BS EN 61869-1:2009 Instrument transformers - General requirements
BS EN 61869-1:2010 Instrument transformers. General requirements
BS EN 61577-2:2017 Radiation protection instrumentation. Radon and radon decay product measuring instruments - Specific requirements for 222Rn and 220Rn measuring instruments
10/30203578 DC BS EN 61577-3. Radiation protection instrumentation. Radon and radon decay product measuring instruments. Part 3. Specific requirements on radon decay product measuring instruments
BS PD IEC TR 61577-5:2019 Radiation protection instrumentation. Radon and radon decay product measuring instruments-General properties of radon and radon decay products and their measurement methods
07/30167396 DC BS EN 61869-4. Instrument transformers. Part 4. Specific requirement for combined transformers
24/30498340 DC BS EN IEC 61869-3 Instrument transformers - Additional requirements for inductive voltage transformers
07/30167174 DC BS EN 61869-2. Instrument transformers. Part 2. Specific requirement for current transformers
PD IEC TR 61577-5:2019 Radiation protection instrumentation. Radon and radon decay product measuring instruments. General properties of radon and radon decay products and their measurement methods
24/30498336 DC BS EN IEC 61869-2 Instrument transformers - Part 2. Additional requirements for current transformers
BS EN IEC 61869-13:2021 Instrument transformers. Stand-alone merging unit (SAMU)
BS PD IEC/TR 61869-102:2014 Instrument transformers. Ferroresonance oscillations in substations with inductive voltage transformers
24/30496142 DC BS EN IEC 61869-7 Instrument transformers - Part 7. Specific requirements for electronic Voltage Transformers
BS 6184:1981 Method for measuring partial discharges in instrument transformers
24/30496146 DC BS EN IEC 61869-8 Instrument transformers - Part 8: Specific requirements for Electronic Current Transformers
BS 7729:1994 Specification for instrument transformers - Three-phase voltage transformers for voltage levels having Um up to 52 kV
24/30498324 DC BS EN IEC 61869-14 Instrument transformers - Part 14. Additional requirements for current transformers for DC applications
24/30498331 DC BS EN IEC 61869-15 Instrument transformers - Part 15. Additional requirements for voltage transformers for DC applications
05/30142367 DC IEC 61869-1. Common Clauses for Instrument Transformers (fragment 1 & 2)
BS EN 61577-4:2014 Radiation protection instrumentation. Radon and radon decay product measuring instruments. Equipment for the production of reference atmospheres containing radon isotopes and their decay products (STAR)

German Institute for Standardization

DIN EN IEC 61869-15:2020-01*VDE 0414-9-15:2020-01 Instrument transformers
DIN IEC/TR 61869-103:2013-02*VDE 0414-9-103:2013-02 Instrument transformers
DIN EN 60044-7:2000-11*VDE 0414-44-7:2000-11 Instrument transformers
DIN EN 61869-5:2012-05*VDE 0414-9-5:2012-05 Instrument transformers
DIN EN 61869-4:2015-04*VDE 0414-9-4:2015-04 Instrument transformers
DIN EN 61869-2:2013-07*VDE 0414-9-2:2013-07 Instrument transformers
DIN EN 61869-3:2012-05*VDE 0414-9-3:2012-05 Instrument transformers
DIN IEC/TR 61869-100:2018-06*VDE 0414-9-100:2018-06 Instrument transformers
DIN IEC/TR 61869-100:2024-06*VDE 0414-9-100 Berichtigung 1:2024-06 Instrument transformers
DIN EN IEC 61869-11:2019-01*VDE 0414-9-11:2019-01 Instrument transformers
DIN EN IEC 61869-9:2019-12*VDE 0414-9-9:2019-12 Instrument transformers
DIN EN IEC 61869-99:2023-10*VDE 0414-9-99:2023-10 Instrument transformers
DIN EN IEC 61869-14:2020-01*VDE 0414-9-14:2020-01 Instrument transformers
DIN IEC/TR 61869-102:2015-02*VDE 0414-9-102:2015-02 Instrument transformers
DIN EN 60044-8:2003-06*VDE 0414-44-8:2003-06 Instrument transformers
DIN EN 61869-6:2017-06*VDE 0414-9-6:2017-06 Instrument transformers
DIN EN IEC 61869-10:2019-01*VDE 0414-9-10:2019-01 Instrument transformers
DIN EN 61869-1:2010-04*VDE 0414-9-1:2010-04 Instrument transformers
DIN EN IEC 61869-13:2022-03*VDE 0414-9-13:2022-03 Instrument transformers
DIN EN 61869-2:2023-10*VDE 0414-9-2 Beiblatt 1:2023-10 Instrument transformers
DIN EN IEC 61869-11:2023-01*VDE 0414-9-11 Beiblatt 1:2023-01 Instrument transformers
DIN EN 61869-9 E:2012-11 Draft Document - Instrument Transformers - Part 9: Digital interface for instrument transformers (IEC 38/438/CDV:2012); German version FprEN 61869-9:2012
DIN 42603:1985 Instrument transformers; rating plates
DIN EN 60044-8:2003 Instrument transformers - Part 8: Electronic current transformers (IEC 60044-8:2002); German version EN 60044-8:2002
DIN EN 61577-4:2015-03*VDE 0493-1-10-4:2015-03 Radiation protection instrumentation – Radon and radon decay product measuring instruments
DIN IEC 61577-1:2007-06*VDE 0493-1-10-1:2007-06 Radiation protection instrumentation - Radon and radon decay product measuring instruments
DIN IEC/TR 61577-5:2020-11*VDE 0493-1-10-5:2020-11 Radiation protection instrumentation – Radon and radon decay product measuring instruments
DIN EN 61577-3:2015-03*VDE 0493-1-10-3:2015-03 Radiation protection instrumentation – Radon and radon decay product measuring instruments
DIN EN 61869-220 E:2018-01 Draft Document - Instrument transformers - Part 220: Safety requirements for Instrument Transformers for low voltage applications (IEC 38/538/CD:2017)
DIN EN 61869-201 E:2018-01 Draft Document - Instrument transformers - Part 201: General requirements for Instrument Transformers for low voltage applications (IEC 38/537/CD:2017)
DIN EN 61577-2:2017-12*VDE 0493-1-10-2:2017-12 Radiation protection instrumentation – Radon and radon decay product measuring instruments
DIN EN IEC 61869-20 E:2025-01 Draft Document - Instrument Transformers - Part 20: Safety requirements of Instrument Transformers for High Voltage applications (IEC 38/786/CDV:2024); German and English version prEN IEC 61869-20:2024
DIN EN 61869-6 E:2013-04 Draft Document - Instruments transformers - Part 6: Additional general requirements for Low Power Instrument Transformers (IEC 38/443/CDV:2012); German version FprEN 61869-6:2012
DIN IEC /IEEE 61869-21 E:2024 Draft Document - Instrument transformers - Part 21: Uncertainty evaluation in the calibration of Instrument Transformers (IEC 38/756/CDV:2023); Text in German and English
DIN IEC /IEEE 61869-21 E:2024-05 Draft Document - Instrument transformers - Part 21: Uncertainty evaluation in the calibration of Instrument Transformers (IEC 38/756/CDV:2023); Text in German and English
DIN IEC 61577-3:2003 Environmental and radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments (IEC 61577-3:2002)
DIN IEC 61577-3:2012-06 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments (IEC 61577-3:2011)
DIN EN 50482:2008 Instrument transformers - Three-phase inductive voltage transformers having U<(Index)m> up to 52 kV; German version EN 50482:2008
DIN EN 50482 E:2006-04 Draft Document - Instrument transformers - Three-phase inductive voltage transformers having U<(Index)m> up to 52 kV; German version prEN 50482:2005
DIN EN 60868-0:1994-08*VDE 0846:1994-08 Flickermeter
DIN IEC 61577-3:2003-01 Environmental and radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments (IEC 61577-3:2002)
DIN IEC 61577-3 E:2010-04 Draft Document - Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements on radon decay product measuring instruments (IEC 45B/637/CDV:2010)
DIN IEC 61577-3 E:2010 Draft Document - Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements on radon decay product measuring instruments (IEC 45B/637/CDV:2010)
DIN EN 61869-11 E:2016-09 Draft Document - Instrument Transformers - Part 11: Additional requirements for low-power passive voltage transformers
DIN IEC 61869-2 E:2008-01 Draft Document - Instrument transformers - Part 2: Specific requirement for current transformers (IEC 38/357/CD:2007)
DIN IEC 61869-4 E:2008-06 Draft Document - Instrument transformers - Part 4: Specific requirement for combined transformers (IEC 38/359/CD:2007)
DIN VDE 0414-6:1995 Instrument transformers - Three-phase voltage transformers for voltage levels having U<(Index)m> up to 52 kV; German version HD 587 S1:1993
DIN IEC 61869-3 E:2008-04 Draft Document - Instrument transformers - Part 3: Specific requirement for inductive voltage transformers (IEC 38/358/CD:2007)
DIN EN 61869-14 E:2015-03 Draft Document - Instrument Transformers - Part 14: Specific Requirements for DC Current Transformers (IEC 38/476/CDV:2014); German version FprEN 61869-14:2014
DIN IEC 61577-2:2001-09 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 2: Specific requirements for radon measuring instruments (IEC 61577-2:2000)
DIN 16086:2006-01 Electrical pressure measuring instruments - Pressure transmitters, pressure measuring instruments - Concepts, specifications on data sheets
DIN EN 61869-15 E:2015-03 Draft Document - Instrument Transformers - Part 15: Specific Requirements for DC Voltage Transformers (IEC 38/477/CDV:2014); German version FprEN 61869-15:2014
DIN IEC 61577-1:2007 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 1: General principles (IEC 61577-1:2006)
DIN EN IEC 61869-99:2023 Instrument transformers - Part 99: Glossary (IEC 61869-99:2022 + COR1:2023); German version EN IEC 61869-99:2022 + AC:2023

Standard Association of Australia （SAA）

AS C45:1928 Instrument transformers
AS 60044.3:2004 Instrument transformers - Combined transformers
AS 60044.2:2003 Instrument transformers, Part 2: Voltage transformers
AS IEC 61869.99:2024 Instrument transformers, Part 99: Glossary

Czech Standards Institute (UNMZ)

CSN 35 1360-1974 Instrument transformers
CSN 35 1356-1997 Instrument transformers - Three-phase voltage transformers for voltage levels having Um up to 52 kV
CSN 35 1363-1964 Instrument transformers for 110 and 220 kV
CSN ON 35 1360-1966 Instrument transformers are used in areas with severe climatic conditions

Japanese Industrial Standards Committee (JISC)

JIS C 1736:2003 Instrument transformers for metering service
JIS C 1731:1988 Instrument transformers for testing purpose and used with general instrument
JIS C 1731-2:1998 Instrument transformers for testing purpose and used with general instrument Part 2: Voltage transformers
JIS C 1731-1:1998 Instrument transformers for testing purpose and used with general instrument Part 1: Current transformers
JIS C 1736-1:2009 Instrument transformers for metering service -- Part 1: General measuring instrument
JIS C 1216-1:2009 Alternating-current watt-hour meters (for connection through instrument transformer) -- Part 1: General measuring instrument
JIS C 1736-2:2009 Instrument transformers for metering service -- Part 2: Measuring instruments used in transaction or certification
JIS C 1216-2:2017 Alternating-current watt-hour meters (for connection through instrument transformer) -- Part 2: Measuring instruments used in transaction or certification
JIS C 1216-2:2009 Alternating-current watt-hour meters (for connection through instrument transformer) -- Part 2: Measuring instruments used in transaction or certification

Bureau of Indian Standards

IS 16227-9-2018 Instrument Transformers Part 9 Digital Interface for Instrument Transformers
IS/IEC 60044-1-2003 Instrument Transformers Part 1 Current Transformers
IS 16227-6-2018 Instrument Transformers Part 6 Additional General Requirements for Low-Power Instrument Transformers
IS 16227-103-2018 Instrument Transformers part 103 The use of instrument Transformers for power quality Measurement
IS/IEC 60044-7-1999 Instrument Transformers Part 7 Electronic Voltage Transformers
IS 16227-2-2016 Instrument Transformers Part 2 Additional Requirements for Current Transformers
IS 16227-4-2015 Instrument Transformers Part 4 Additional Requirements for Combined Transformers
IS 16227-1-2016 Instrument Transformers Part 1 General Requirements
IS 1885-28-1993 Electrotechnical vocabulary: Part 28 Instrument transformers
IS 16227-102-2018 Instrument Transformers Part 102 Ferroresonance Oscillations in Substations With Inductive Voltage Transformers
IS/IEC 60044-8-2002 Instrument Transformers Part 8 Electronic Current Transformers
IS 11322-1985 Partial discharge measurement method of instrument transformer
IS 16227-100-2018 Instrument Transformers Part 100 Guidance for Application of Current Transformers in Power System Protection

Korean Agency for Technology and Standards (KATS)

KS C IEC 60044-1-2003(2018) Instrument transformers - Part 1: Current transformers
KS C IEC 60044-8-2003(2018) Instrument transformers - Part 8: Electronic current transformers
KS C IEC 60044-1:2003 Instrument transformers － Part 1: Current transformers
KS C 1707-1982 Instrument transformers for metering service
KS C 1707-2022 Instrument transformers for metering
KS C 1707-2011(2021) Instrument transformers for metering service
KS C IEC 60044-5-2003(2018) Instrument transformer - Part 5: Condenser type instrument transformer
KS C IEC 60044-7-2003(2018) Instrument transformers - Part 7: Electronic voltage transformers
KS C IEC 60044-2:2003 Instrument transformers － Part 2: Inductive voltage transfomers
KS C IEC 61577-3-2024 Radiation protection instrumentation — Radon and radon decay product measuring instruments — Part 3: Specific requirements for radon decay product measuring instruments
KS C IEC 61577-3-2019 Radiation protection instrumentation — Radon and radon decay product measuring instruments — Part 3: Specific requirements for radon decay product measuring instruments
KS C IEC 61869-4:2021 Instrument transformers — Part 4: Additional requirements for combined transformers
KS C IEC 61869-4-2021 Instrument transformers — Part 4: Additional requirements for combined transformers
KS C 1001-1970 Impulse voltage testing for instrument transformers
KS C 1706-2022 Instrument transformers for standard and measuring
KS C IEC 61577-1-2022 Radiation protection instrumentation－Radon and radon decay product measuring instruments－Part 1：General principles
KS C 1707-2011(2016) Instrument transformers for metering service
KS C IEC 60044-6-2003(2018) Instrument transformers - Part 6: Requirements for transient performance of protective current transformers
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
KS C IEC 61577-1-2012(2017) Radiation protection instrumentation－Radon and radon decay product measuring instruments－Part 1：General principles
KS C IEC 61577-1-2012(2022) Radiation protection instrumentation － Radon and radon decay product measuring instruments － Part 1: General principles
KS C IEC 61577-4-2022 Radiation protection instrumentation－Radon and radon decay product measuring instruments－Part 4：Equipment for the production of reference atmospheres containing radon isotopes and their decay products(STAR)
KS C IEC 61577-2-2016(2017) Radiation protection instrumentation — Radon and radon decay product measuring instruments — Part 2: Specific requirements for 222Rn and 220Rn measuring instruments
KS C IEC 60044-7:2021 Instrument transformers — Part 7: Electronic voltage transformers
KS C IEC 60044-5-2022 Instrument transformers — Part 5: Capacitor voltage transformers
KS C IEC 60044-7-2021 Instrument transformers — Part 7: Electronic voltage transformers
KS C IEC 60044-5:2022 Instrument transformers — Part 5: Capacitor voltage transformers

Swedish Institute for Standards

SS-EN IEC 61869-9:2019 Instrument transformers - Part 9: Digital interface for instrument transformers
SS-EN 61869-6:2017 Instruments transformers - Part 6: Additional general requirements for low-power instrument transformers
SS-EN 60044-3:2003 Instrument transformers - Part 3: Combined transformers
SS-EN 61577-3:2015 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments
SS 4300115:2007 Meter cabinets and meter board with measuring transformer
SS-EN IEC 61869-99:2023 Instrument transformers - Part 99: Glossary
SS-EN IEC 61869-14:2019 Instrument transformers - Part 14: Additional requirements for current transformers for DC applications
SS-EN 61869-4:2014 Instrument transformers - Part 4: Additional requirements for combined transformers
SS-EN 50482:2008 Instrument transformers - Three-phase inductive voltage transformers having Um up to 52 kV
SS-EN 60044-1:2000 Instrument transformers - Part 1: Current transformers
SS-EN IEC 61869-11:2018 Instrument transformers - Part 11: Additional requirements for low power passive voltage transformers
SS-EN IEC 61869-13:2021 Instrument transformers - Part 13: Stand-alone merging unit (SAMU)
SS-EN 61869-1:2009 Instrument transformers - Part 1: General requirements
SS-EN 61577-2:2018 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 60044-1:2000 Instrument transformers - Part 1: Current transformers
DANSK DS/EN 61577-3:2014 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments
DANSK DS/EN IEC 61869-99:2022 Instrument transformers – Part 99: Glossary
DANSK DS/EN IEC 61869-1:2024 Instrument transformers – Part 1: General requirements
DANSK DS/EN 60044-8:2002 Instrument transformers – Part 8: Electronic current transformers
DANSK DS/EN IEC 61869-13:2021 Instrument transformers – Part 13: Stand-alone merging unit (SAMU)

Spanish Association for Standardization (UNE)

UNE-EN IEC 61869-9:2019 Instrument transformers Part 9: Digital interfaces for instrument transformers (IEC 61869-9:2016)
UNE-EN 60044-1:2000 Instrument transformers. Part 1: Current transformers.
UNE 21302-321:1990 ELECTROTECHNICAL VOCABULARY. INSTRUMENT TRANSFORMERS.
UNE-EN 60044-2:1999 INSTRUMENT TRANSFORMERS. PART 2: INDUCTIVE VOLTAGE TRANSFORMERS.
UNE-EN 60044-5:2005 Instrument transformers -- Part 5: Capacitor voltage transformers
UNE-EN 61577-3:2014 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments (Endorsed by AENOR in January of 2015.)
UNE 21587:1996 INSTRUMENT TRANSFORMERS. THREE-PHASE VOLTAGE TRANSFORMERS FOR VOLTAGE LEVELS HAVING Um UP TO 52 KV.
UNE 21088-4:1984 INSTRUMENT TRANSFORMERS. MEASUREMENT OF PARTIAL DISCHARGES.
UNE-EN 61577-2:2017 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 2: Specific requirements for 222Rn and 220Rn measuring instruments (Endorsed by Asociación Española de Normalización in September of 2017.)

International Electrotechnical Commission (IEC)

IEC 61869-9:2016 Instrument transformers - Part 9: Digital interface for instrument transformers
IEC 60044-2:1997 Instrument transformers - Part 2: Inductive voltage transformers
IEC 60044-2:2000 Instrument transformers - Part 2: Inductive voltage transformers
IEC 60044-2:2003 Instrument transformers - Part 2: Inductive voltage transformers
IEC 61869-6:2016 Instrument transformers - Part 6: Additional general requirements for low-power instrument transformers
IEC 61869-2:2012 Instrument transformers - Part 2: Additional requirements for current transformers
IEC 61869-2:2012/ISH1:2022 Instrument transformers - Part 2: Additional requirements for current transformers
IEC 61869-99:2022 Instrument transformers - Part 99: Glossary
IEC 61869-4:2013 Instrument transformers - Part 4: Additional requirements for combined transformers
IEC 60044-1:2003 Instrument transformers - Part 1: Current transformers
IEC 61869-11:2017/ISH1:2021 Instrument transformers – Part 11: Additional requirements for low-power passive voltage transformers (Edition 1.0)
IEC 61869-1:2007 Instrument transformers - Part 1: General requirements
IEC 61869-4:2013/COR1:2014 Instrument transformers - Part 4: Additional requirements for combined transformers, Corrigendum 1

South African Bureau of Standard

SANS 60044-3:2004 Instrument transformers Part 3: Combined transformers
SANS 60044-7:1999 Instrument transformers Part 7: Electronic voltage transformers
SANS 60044-8:2004 Instrument transformers Part 8: Electronic current transformers
SANS 60044-2:2003 Instrument transformers Part 2: Inductive voltage transformers
SANS 60044-1:2003 Instrument transformers Part 1: Current transformers
SANS 60044-5:2005 Instrument transformers Part 5: Capacitor voltage transformers

Association Francaise de Normalisation

NF C42-502:1974 Measuring instrumetns. Current transformers. Characteristics.
NF C42-544-7:2001 Instrument transformers - Part 7 : electronic voltage transformers.
NF C42-544-1/A1:2001 Instrument transformers - Part 1 : current transformers.
NF C42-544-1/A2:2003 Instrument transformers - Part 1 : current transformers.
NF C42-503:1993 Instrument transformers. Part 3 : combined transformers.
NF C42-544-3:2003 Instrument transformers - Part 3 : combined transformers.
NF C42-544-2/A2:2003 Instrument transformers - Part 2 : inductive voltage transformers.
NF C19-117-3*NF EN 61577-3:2015 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3 : specific requirements on radon decay product measuring instruments
NF C42-569-99*NF EN IEC 61869-99:2022 Instrument transformers - Part 99: Glossary
NF C42-569-2*NF EN 61869-2:2013 Instrument transformers - Part 2 : additional requirements for current transformers
NF EN IEC 61869-1:2024 Instrument transformers - Part 1 : general requirements
NF C42-569-1*NF EN IEC 61869-1:2024 Instrument transformers - Part 1 : general requirements
NF C42-501:1973 Measuring instruments. Single-phase voltage transformers. Characteristics.
NF C42-482:2008 Instrument transformers - Three-phase inductive voltage transformers having Um up to 52 kV.
NF C42-569-4*NF EN 61869-4:2014 Instrument transformers - Part 4 : additional requirements for combined transformers
NF EN 62765-1:2017 Nuclear power plants - Instrumentation and control-command important for safety - Management of aging of sensors and transmitters - Part 1: pressure transmitters
NF C42-544-6:2001 Instrument transformers - Part 6 : requirements for protective current transformers for transient performance.
NF C42-569-1*NF EN 61869-1:2009 Instrument transformers - Part 1 : general requirements

Comitato Elettrotecnico Italiano

CEI EN 61577-3:2015 Radiation protection instrumentation - Radon and radon decay product measuring instruments Part 3: Specific requirements for radon decay product measuring instruments
CEI EN IEC 61869-99:2023 Instrument transformers Part 99: Glossary
CEI EN IEC 61869-15:2019 Instrument transformers – Part 15: Additional requirements for voltage transformers for DC applications
CEI EN IEC 61869-1:2024 Instrument transformers – Part 1: General requirements
CEI EN 60044-6:2000 Instrument transformers - Part 6: Requirements for protective current transformers for transient performance
CEI EN 60044-8:2004 Instrument transformers - Part 8: Electronic current trasformers
CEI EN IEC 61869-13:2022 Instrument transformers Part 13: Stand-alone merging unit (SAMU)
CEI EN 61577-2:2018 Radiation protection instrumentation - Radon and radon decay product measuring instruments Part 2: Specific requirements for 222Rn and 220Rn measuring instruments

Yugoslav Association for Standardization

JUS N.H9.100-1984 Instrument transformers. Measurements ofpartial discharges
JUS N.A0.321-1985 Instrument transformers. Terms and definitions
JUS M.A1.034-1980 Instruments for the measurement of surface roughness by tne profil method-contact (stylus) instrument* of profile transformation - Profile reoording instruments

Canadian Standards Association (CSA)

CSA C60044-2-07-2007 Transformateurs de mesure — Partie 2: Transformateurs inductifs de tension [Superseded: CSA C13-M83-CAN3, CSA C13-M83-CAN3]
CSA C60044-3-07-CAN/CSA-2007 Instrument transformers - Part 3: Combined transformers the first edition
CSA C60044-5-07-CAN/CSA-2007 Instrument transformers ? Part 5: Capacitor voltage transformers First Edition [Superseded: CSA C13.1-M79-CAN3, CSA C13.1-M79-CAN3]
CSA C60044-7-07-CAN/CSA-2007 Instrument transformers — Part 7: Electronic voltage transformers First Edition
CSA C60044-8-07-CAN/CSA-2007 Instrument transformers — Part 8: Electronic current transformers First Edition

European Committee for Electrotechnical Standardization（CENELEC）

EN 61577-3:2014 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments
EN 61577-2:2017 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 2: Specific requirements for 222Rn and 220Rn measuring instruments

GCC Standardization Organization

GSO IEC 61577-3:2015 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments
BH GSO IEC 60044-7:2024 Instrument transformers – Part 7: Electronic voltage transformers
BH GSO IEC 60044-2:2024 Instrument Transformers–Part 2: Inductive voltage transformers
BH GSO IEC 60044-8:2024 Instrument transformers – Part 8: Electronic voltage transformers

American National Standards Institute （ANSI)

ANSI/IEEE C57.13.6:2005 Standard for High Accuracy Instrument Transformers
ANSI/IEEE C57.13:2008 Standard Requirements for Instrument Transformers
ANSI C12.9-2005 Test Switches for Transformer-Rated Meters
ANSI/IEEE C57.13.2:2005 Standard Conformance Test Procedure for Instrument Transformers

U.S. Military Regulations and Norms

ARMY MS51600 REV A NOTICE 4-1997 FILTER, LIGHT, OPTICAL INSTRUMENT (VARIABLE DENSITY) BINOCULAR TYPE
ARMY MS51600 REV A-1967 FILTER, LIGHT, OPTICAL INSTRUMENT (VARIABLE DENSITY) BINOCULAR TYPE
ARMY MS51600 REV A REINST NOTICE 3-1996 FILTER, LIGHT, OPTICAL INSTRUMENT (VARIABLE DENSITY) BINOCULAR TYPE
ARMY MS51600 REV A VALID NOTICE 1-1987 FILTER, LIGHT, OPTICAL INSTRUMENT (VARIABLE DENSITY) BINOCULAR TYPE

Association for Electrical, Electronic & Information Technologies (VDE)

VDE 0493-1-10-3-2003*DIN IEC 61577-3:2003 Radiation protection instrumentation - Instruments for measuring radium and radium decay products - Part 3: Particular requirements for instruments for measuring radium decay products (IEC 61577-3:2002)
VDE 0493-1-10-3-2015 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 3: Specific requirements for radon decay product measuring instruments (IEC 61577-3:2011@ modified); German version EN 61577-3:2014
VDE 0414-10-1985*DIN VDE 0414-10:1985 Instrument transformers Part 4: Partial discharge measurements
VDE 0414-9-13 E*DIN EN IEC 61869-13:2019-06 Instrument Transformers - Part 13: Standalone Merging Unit
VDE 0491-22-1-2018 Nuclear powers plants - Instrumentation and control important to safety - Management of ageing of sensors and transmitters - Part 1: Pressure transmitters (IEC 62765-1:2015); German version EN 62765-1:2017
VDE 0491-22-1-2015 Nuclear power plants - Instrumentation and control important to safety - Management of ageing of sensors and transmitters - Part 1: Pressure transmitters (IEC 45A/1001/FDIS:2015)

National Standardisation Body (ASRO)

SR CEI 50(321)-1986 International Electrotechnical Vocabulary Chapter 321: Instrument transformers

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 7697-1-2007 Instrument transformers.Part 1: Current transformers
TCVN 7697-2-2007 Instrument transformers.Part 2 : Inductive voltage transformers

Gosstandart of Russia

GOST R IEC 60044-7-2010 Instrument transformers. Part 7. Electronic voltage transformers

National Electrical Manufacturers Association（NEMA)

NEMA C12.9-2005 Test Switches for Transformer-Rated Meters
NEMA EI 21.1-1993 Instrument Transformers for Revenue Metering (110 kV BIL and Less)
NEMA EI 21.2-1991(2002) Instrument transformers (125 kV BIL to 350 kV BIL) for metering
NEMA EI 21.1-1993(2002) Instrument transformers for metering and charging (100 kV BIL and below)
NEMA C12.9-1993 Test Switches for Transformer-Rated Meters R(1999)
NEMA EI 21.1-1983 INSTRUMENT TRANSFORMERS FOR REVENUE METERING 110 KV BIL AND LESS (RESCINDED)

U.S. Air Force

AIR FORCE MIL-T-27200 C VALID NOTICE 2-2008 TRANSMITTER, RATE GYROSCOPE TRU-2A/A

Institute of Electrical and Electronics Engineers (IEEE)

IEEE C57.13-1978 STANDARD REQUIREMENTS FOR INSTRUMENT TRANSFORMERS (R 1986)
IEEE C12.9-1987 TEST SWITCHES FOR TRANSFORMER-RATED METERS
IEEE C12.9-1982 TEST SWITCHES FOR TRANSFORMER-RATED METERS
IEEE P3456.2/D5, August 2025 IEEE Draft Standard for Testing instruments for Deep Foundations - Part 2: High-strain Testing Instruments
IEEE P3456.1/D5, August 2025 IEEE Draft Standard for Testing Instruments for Deep foundations - Part 1:Low-strain Testing Instruments
IEEE Std C12.11-1987 Instrument transformers for revenue metering, 10 kV BIL through 350 kV (0.6 kV NSV through 69 kV NSV)

American Association of Textile Chemists and Colorists

AATCC EP7-2015 Instrumental Assessment of the Change in Color of a Test Specimen
AATCC EP7-2003 Instrumental Assessment of the Change in Color of a Test Specimen
AATCC EP7-2009 Instrumental Assessment of the Change in Color of a Test Specimen

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO IEC 61577-2:2016 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 2: Specific requirements for 222Rn and 220Rn measuring instruments
BH GSO IEC 61577-1:2016 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 1: General principles

The Directorate General of Specifications and Metrology (DGSM)

OS GSO IEC 61577-1:2015 Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 1: General principles

Others: entropy change,Entropy instrument