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three tones

three tones, Total:117 items.

In the international standard classification, three tones involves: Information sciences. Publishing, Character sets and information coding, Medical equipment, Chipless working equipment, Company organization and management, Rotating machinery, Environmental protection, Fasteners for aerospace construction, Acoustics and acoustic measurements, Power stations in general, Agricultural machines, implements and equipment, Applications of information technology, Quality, Cinematography, Occupational safety. Industrial hygiene, Construction materials, Audio, video and audiovisual engineering, Testing of metals, Road vehicles in general, Soil quality. Pedology, Semiconductor devices, Electric filters, Aircraft and space vehicles in general, Protection of and in buildings, Equipment for petroleum and natural gas industries, Elements of buildings, Radiocommunications, Electricity. Magnetism. Electrical and magnetic measurements, Metrology and measurement in general, Law. Administration, Vocabularies, Non-destructive testing, Shipbuilding and marine structures in general, Inland navigation vessels.

Group Standards of the People's Republic of China, three tones

T/ZCL 003-2020 Guide?to?the?3As evaluation?of philanthropic programs
T/CAS 419-2020 Technical specification of three-dimensional thunder location system
T/GDCSA 003-2021 Third-party service tariff standard of information technology application innovation project
T/CSMPTE 19-2022 Specifications for configuration of audio-visual experience center based on 8K UHD video and surround audio / 3D audio
T/CSMPTE 5-2018 Home theater configuration specification based on 4K ultra-high-definition images and surround sound/3D sound
T/CSES 113-2023 Soil and sediment — Determination of tris (2-chloroethyl) phosphate — Ultrasonic extraction/Liquid chromatography-triple quadrupole mass spectrometry
T/UWA 009.1-2022 Technical specification for 3D sound technology Part 1: Coding distribution and presentation
T/CSZX 001.3-2021 The third part of the standardization and standardization construction specification of the grassroots branch of the Market Supervision Administration: Supervision of registration items

其他未分类, three tones

BJY 201923 Supplementary test methods for inspection items of Panax notoginseng stems and leaves in Panax notoginseng powder
BJY 201903 Supplementary test methods for the stem and leaf plant tissue inspection items of red peony root and panax notoginseng in Xinning Tablets
BJY 202005 Supplementary test method for IV test items of rosin acid and Sudan red in Shen Sanqi Shangyao capsules (tablets)

Professional Standard - Radio Television Film, three tones

GY/T 363-2023 3D audio coding and rendering

IETF - Internet Engineering Task Force, three tones

RFC 7843-2016 Port Control Protocol (PCP) Third-Party ID Option

ECSS - European Cooperation for Space Standardization, three tones

M-ST-10 C REV 1-2009 Project planning and implementation (Third Issue@ Revision 1)

Professional Standard - Medicine, three tones

YY/T 1279-2015 Test method for performance of three-dimensional ultrasonography

Professional Standard - Machinery, three tones

JB 9971-1999 Pipe bender, three-roll plate bending machine Noise limits
JB/T 9971-1999 Noise limits for pipe bending machines and three-roller plate bending machines
JB/T 8658-1997 Low noise outer rotor three-phase asynchronous motor
JB/T 8658-2014 External rotor low noise three-phase induction motors
JB/T 7120-1993 Technical conditions of YZC series (IP44) low-vibration and low-noise three-phase asynchronous motors (frame size 80-160)

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, three tones

GB/Z 35038-2018 Specifications for operation management of Chinese medicinal materials (Notoginseng) project
GB/T 19118-2015 Tri-wheel vehicles and low-speed goods vehicles.Test method of noise
GB/T 4637-1994 Head gaps and sound records for three-, four-, or six-track magnetic sound records on 35mm motion-picture film containing no picture--Positions and width dimensions

Korean Agency for Technology and Standards (KATS), three tones

KS I ISO 14025-2007(2017) Environmental labels and declarations－Type III environmental declarations－Principles and procedures
KS A ISO 162:2003 Cinematography－Head gaps and sound records for three－, four－, or six－track magnetic sound records on 35 mm and single－track on 17.5 mm motion－picture film containing no picture－Positions and width dimensions
KS C IEC 61265-2017(2022) Electroacoustics — Instruments for measurement of aircraft noise — Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-categ
KS C IEC 61265:2017 Electroacoustics — Instruments for measurement of aircraft noise — Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-categ

U.S. Military Regulations and Norms, three tones

ARMY MIL-A-63242 A NOTICE 1-1996 AMPLIFIER, OPERATIONAL TRIPLE PROGRAMMABLE MICROPOWER
ARMY MIL-A-63242 A (4)-1994 AMPLIFIER, OPERATIONAL TRIPLE PROGRAMMABLE MICROPOWER
ARMY MIL-A-63242 A-1982 AMPLIFIER, OPERATIONAL TRIPLE PROGRAMMABLE MICROPOWER

Electronic Components, Assemblies and Materials Association, three tones

ECA 331-1966 Stereophonic Headphones with 3-Contact Plugs, Polarization of

US-FCR, three tones

FCR COE HL-92-7 REPORT 3-1995 HOUSTON-GALVESTON NAVIGATION CHANNELS, TEXAS PROJECT; REPORT 3: THREE-DIMENSIONAL HYDRODYNAMIC MODEL VERIFICATION
FCR COE HL-92-7 REPORT 4-1995 HOUSTON-GALVESTON NAVIGATION CHANNELS, TEXAS PROJECT REPORT 4: THREE-DIMENSIONAL NUMERICAL MODELING OF HYDRODYNAMICS AND SALINITY

Professional Standard - Electricity, three tones

DL/T 718-2014 The ultrasonic inspection method for elbow and tee joint in fossil-fuel power plant
DL/T 718-2000 The ultrasonic inspection method for casting tee joint and elbow in power plant

API - American Petroleum Institute, three tones

API PUBL 1003-1986 Precautions Against Electrostatic Ignition During Loading of Tank Motor Vehicles (Third Edition)
API STD 11D-1943 MISCELLANEOUS API PUMPING EQUIPMENT STANDARDS (THIRD EDITION; SUPP 1: August 1944)
API MPMS 5.1-1995 Manual of Petroleum Measurement Standards Chapter 5 - Metering Section 1 - General Considerations for Measurement by Meters Third Edition

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., three tones

ASHRAE 3674-1993 Development and Evaluation of a Software Package for Self-Tuning of Three-Term DDC Controllers
ASHRAE MN-00-16-2-2000 Contribution of Stratified Thermal Storage to Cost-Effective Trigeneration Project

RU-GOST R, three tones

GOST R ISO 10011-3-1993 Guidelines for auditing quality systems. Part 3. Management of audit programmes
GOST R 51725.20.3-2017 Catalogization of products for federal state needs. List of the approved item names. Volume 3
GOST R 53568-2009 Non-destructive testing. Evaluation of third order elasticity modulus by ultrasound. General requirements
GOST 8.334-1978 State system for ensuring the uniformity of measurements. Noise figure meters of UHF transistors and receivers. Methods and means of verification

Professional Standard - Agriculture, three tones

农业部1759号公告-119-2012 Compilation of National Standards for Veterinary Drugs (Volume 3) Chemical Drug Dichlorvos Collars

AASHTO - American Association of State Highway and Transportation Officials, three tones

GTN-1993 Guide on Evaluation and Abatement of Traffic Noise (Revision 3)

TIA - Telecommunications Industry Association, three tones

TIA/EIA/IS-853-2000 TDMA Third Generation Wireless; Noise Suppression Minimum Performance for AMR

未注明发布机构, three tones

GJB 8637-2015 General specifications for low-noise three-phase asynchronous motors for marine use
BS EN 61265:1995(2000) Electroacoustics — Instruments for measurement of aircraft noise — Performance requirements for systems to measure one - third - octave band sound pressure levels in noise certification of transport - category aircraft

Jiangxi Provincial Standard of the People's Republic of China, three tones

DB36/T 1707-2022 Safety Production "Three Post Personnel" Network Training Platform Management Specifications

American Society for Testing and Materials (ASTM), three tones

ASTM C1410-17 Standard Specification for Cellular Melamine Thermal and Sound-Absorbing Insulation
ASTM C1410-17(2023) Standard Specification for Cellular Melamine Thermal and Sound-Absorbing Insulation
ASTM E1573-18 Standard Test Method for Measurement and Reporting of Masking Sound Levels Using A-Weighted and One-Third-Octave-Band Sound Pressure Levels
ASTM E1573-22 Standard Test Method for Measurement and Reporting of Masking Sound Levels Using A-Weighted and One-Third-Octave-Band Sound Pressure Levels
ASTM E1573-02 Standard Test Method for Evaluating Masking Sound in Open Offices Using A-Weighted and One-Third Octave Band Sound Pressure Levels
ASTM E1573-93(1998) Standard Test Method for Evaluating Masking Sound in Open Offices Using A-Weighted and One-Third Octave Band Sound Pressure Levels

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

GJB 2480A-2020 General specifications for three-dimensional hydroacoustic tracking systems for torpedoes
GJB 2480-1995 General specifications for three-dimensional hydroacoustic tracking systems for torpedoes

ETSI - European Telecommunications Standards Institute, three tones

3G TS 21.111-1999 3rd Generation Partnership Project; Technical Specification Group Terminals USIM and IC Card Requirements (V3.0.0)
3G TS 21.133-1999 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; 3G Security; Security Threats and Requirements (V3.0.0)

ZA-SANS, three tones

SANS 20009:2007 Uniform provisions concerning the approval of category L2, L4 and L5 vehicles with regard to noise

Professional Standard - Electron, three tones

SJ 794-1974 Detail specification for silicon NPN epitaxial planar high frequency low power low noise transistors,Type 3DG141
SJ 795-1974 Detail specification for silicon NPN epitaxial planar high frequency low power low noise transistors,Type 3DG142
SJ/Z 9161.2-1987 Surface acoustic wave (SAW) filters Part 3: Standard outlines (Chapter 4)
SJ 1483-1979 Detail specification for silicon PNP epitaxial planar high frequency low power noise transistors,Type 3CG140
SJ 2282-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG143
SJ 2283-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG144
SJ 2284-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG145
SJ 2287-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Tuype 3DG148
SJ 2288-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG149
SJ 2290-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG151
SJ 2293-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG155
SJ 2294-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG156
SJ 2286-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG147
SJ 2291-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG153
SJ 2292-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG154
SJ 2285-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG146
SJ 2289-1983 Detail specification for silicon NPN epitaxial planar superhigh frequency low noise low power transistors,Type 3DG151

Taiwan Provincial Standard of the People's Republic of China, three tones

CNS 12684-3-1997 Quality management and quality system elements-Part 3:Guidelines for processed materials
CNS 12684.3-1997 Quality management and quality system elements-Part 3:Guidelines for processed materials

British Standards Institution (BSI), three tones

BS EN 61265:1995 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aircraft
22/30454110 DC BS EN ISO 24201. Petroleum, petrochemical and natural gas industries. Bulk material for offshore projects. Tertiary outfitting structures
21/30419795 DC BS ISO 362-3. Acoustics. Measurement of noise emitted by accelerating road vehicles. Engineering method. Part 3. Indoor testing M and N categories

Japanese Industrial Standards Committee (JISC), three tones

JIS C 1513:2002 Octave-band and third-octave-band analyzers for sounds and vibrations

Hebei Provincial Standard of the People's Republic of China, three tones

DB13/T 5603-2022 Guidelines for the preparation of "three simultaneous" reports on safety facilities of non-high-risk construction projects in the industry and trade industry

European Committee for Standardization (CEN), three tones

EN ISO 10140-3:2010/A1:2015 Acoustics - Laboratory measurement of sound insulation of building elements - Part 3: Measurement of impact sound insulation - Amendment 1 (ISO 10140-3:2010/Amd 1:2015)
EN ISO 16283-3:2016 Acoustics - Field measurement of sound insulation in buildings and of building elements - Part 3: Façade sound insulation (ISO 16283-3:2016)

Association Francaise de Normalisation, three tones

NF S31-140:1995 Electroacoustics. Instruments for measurement of aircraft noise. Performance requirements for systems to measure one-thirs-octave band sound pressure levels in noise certification of transport-category aeroplanes.
NF J71-121-1:2010 Inland navigation vessels - Electrical shore connection, three phase current 400 V, up to 63 A, 50 Hz - Part 1 : general requirements.

BELST, three tones

STB 489-94 Subscriber loudspeakers and three-program wired broadcasting receivers repaired. Specifications

International Organization for Standardization (ISO), three tones

ISO 162:1985 Cinematography; Head gaps and sound records for three-, four-, or six-track magnetic sound records on 35 mm and single-track on 17,5 mm motion-picture film containing no picture; Positions and width dimensions
ISO/DIS 24201 Petroleum, petrochemical and natural gas industries — Bulk material for offshore projects — Tertiary outfitting structures

European Telecommunications Standards Institute (ETSI), three tones

ETSI TR 21.904-1999 3rd Generation Partnership Project (3GPP); Technical Specification Group (TSG) Terminals; Terminal Capability Requirements V0.0.3

Society of Automotive Engineers (SAE), three tones

SAE AIR1906-1985 Estimation of One-Third- Octave-Band Lateral Attenuation of Sound from Jet-Propelled Airplanes
SAE AIR1906-1991 ESTIMATION OF ONE-THIRD-OCTAVE-BAND LATERAL ATTENUATION OF SOUND FROM JET-PROPELLED AIRPLANES

Standard Association of Australia （SAA）, three tones

HB 18.22-2003 Guidelines for third-party certification and accreditation - General criteria for supplier's declaration of conformity

International Electrotechnical Commission (IEC), three tones

IEC 61265:1995/COR1:1995 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes
IEC 61265:1995 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes

Danish Standards Foundation, three tones

DS/EN 61265:1995 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes

AENOR, three tones

UNE-EN 61265:1997 ELECTROACUSTICS. INSTRUMENTS FOR MEASUREMENT OF AIRCRAFT NOISE. PERFORMANCE REQUIREMENTS FOR SYSTEMS TO MEASURE ONE-THIRD-OCTAVE BAND SOUND PRESSURE LEVELS IN NOISE CERTIFICATIONS OF TRANSPORT-CATEGORY AEROPLANES.
UNE 21328-4:1975 OCTAVE HALF OCTAVE AND A THIRD OCTAVE BAND FILTERS USED IN NOISES AND VIBRATIONS ANALYSIS.

KR-KS, three tones

KS C IEC 61265-2017 Electroacoustics — Instruments for measurement of aircraft noise — Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-categ

American National Standards Institute （ANSI), three tones

ANSI/TIA/EIA 136-250-2001 TDMA Third Generation Wireless - Minimum Performance Standards for ACELP Voice Activity Detection (VAD)

YU-JUS, three tones

JUS N.R6.028-1982 Octave, half-octave and third-octave ban?filters intendedfor the anatysis ofsounds and vibrations

European Committee for Electrotechnical Standardization（CENELEC）, three tones

EN 61265:1995 Electroacoustics Instruments for Measurement of Aircraft Noise Performance Requirements for Systems to Measure One-Third-Octave Band Sound Pressure Levels in Noise Certification of Transport-Category Aeroplanes

Lithuanian Standards Office , three tones

LST EN 61265-2001 Electroacoustics. Instruments for measurement of aircraft noise. Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes (IEC 61265:1995)

AGMA - American Gear Manufacturers Association, three tones

299.01-1978 Sound Manual Section I: Fundamentals of Sound as Related to Gears; Section II: Sources@ Specifications and Levels of Gear Sound; Section III: Gear-Noise Control

CZ-CSN, three tones

CSN IEC 225:1994 Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations

GOSTR, three tones

GOST R 52990.3-2010 Noise of machines. Textile machinery. Noise test code. Part 3. Nonwoven machinery

German Institute for Standardization, three tones

DIN EN ISO 472/A1:2019 Plastics - Vocabulary - Amendment 1: Additional items (ISO 472:2013/Amd.1:2018); Trilingual version EN ISO 472:2013/A1:2018
DIN EN 1330-9:2009 Non-destructive testing - Terminology - Part 9: Terms used in acoustic emission testing; Trilingual version EN 1330-9:2009

BE-NBN, three tones

NBN C 97-111-1973

National Metrological Verification Regulations of the People's Republic of China, three tones

JJG(电子) 04020-1989 Specification for verification of sample transistor specially intended to measure the noise factor of high frequency medium and low power triode transistor

IX-EU/EC, three tones

93/30/EEC-1993 COUNCIL DIRECTIVE on audible warning devices for two- or three-wheel motor vehicles

Canadian Standards Association (CSA), three tones

CSA CAN3-C108.3.1-M84-1984 VALEURS LlMlTES ET M?THODES DE MESURE DU BRUIT ?LECTROMAGN?TIQUE (0.15 à 30 MHr) PRODUIT PAR LES R?SEAUX DE COURANT ALTERNATIF (troisième édition)

National Health Commission of the People's Republic of China, three tones

WS/T 404.10-2022 Reference intervals for commonly used clinical biochemical test items Part 10: Serum triiodothyronine, thyroxine, free triiodothyronine, free thyroxine, thyroid stimulating hormone

GM North America, three tones

GM GM6276M-2014 Fuel and Oil Resistant Hoses Fluoroelastomer Terpolymer - Reinforced (Issue 3; Do Not Use on New Programs; Replaced by GMW16709)