ZH
RU
ES

two levels

two levels, Total:496 items.

In the international standard classification, two levels involves: Components and accessories for telecommunications equipment, Vocabularies, Solar energy engineering, Compressors and pneumatic machines, Farming and forestry, Food products in general, Agricultural machines, implements and equipment, Motor cycles and mopeds, Machine tool systems, Wood technology processes, Products of the chemical industry, Transformers. Reactors, Equipment for the chemical industry, Refrigerating technology, Laundry appliances, Insulating materials, Environmental protection, Woodworking equipment, Electricity. Magnetism. Electrical and magnetic measurements, Acoustics and acoustic measurements, Vibrations, shock and vibration measurements, Installations in buildings, Aerospace electric equipment and systems, Internal combustion engines for road vehicles, Energy and heat transfer engineering in general, Lubricants, industrial oils and related products, Electrical accessories, Test conditions and procedures in general, Nuclear energy engineering, Semiconducting materials, Geology. Meteorology. Hydrology, Road vehicle systems, Equipment for entertainment, Fasteners, Construction materials, Ventilators. Fans. Air-conditioners, Telecommunication systems, Galvanic cells and batteries, Protection against crime, Pumps, Kitchen equipment, Chipless working equipment, Audio, video and audiovisual engineering, Protection against fire, Products of the textile industry, Elements of buildings, Paints and varnishes, Iron and steel products, Optoelectronics. Laser equipment, Quality, Burners. Boilers, Miscellaneous domestic and commercial equipment, Medical sciences and health care facilities in general, Domestic, commercial and industrial heating appliances, Rotating machinery, Analytical chemistry, Waxes, bituminous materials and other petroleum products, Electronic display devices, Technical drawings, Semiconductor devices, Terminology (principles and coordination), Welding, brazing and soldering, Switchgear and controlgear, Lamps and related equipment, Body care equipment, Domestic electrical appliances in general, Road vehicles in general, Automatic controls for household use, Furniture, Protection of and in buildings, Tea. Coffee. Cocoa, Rubber, Construction technology, Industrial furnaces, Telecommunications in general, Services, Accident and disaster control, External sewage systems, Applications of information technology, Fluid power systems, HEALTH CARE TECHNOLOGY, Wastes, GLASS AND CERAMICS INDUSTRIES, Diagnostic, maintenance and test equipment, Fluid storage devices, Petroleum products in general, Standardization. General rules, Heat treatment, Education, Earth-moving machinery, Characteristics and design of machines, apparatus, equipment, Road engineering, Transport, Company organization and management, Law. Administration, Finances. Banking. Monetary systems. Insurance, Valves, Textile fibres.

SE-SIS, two levels

SIS SMS 2551-1971 Collar chain sling; links at both ends. Grade 3
SIS SMS 2553-1971 Two-leg chain sting; links at ends. G rade 3
SIS SS-ISO 7576:1991 Road vehicles — Two-stage fuel filters for compression-ignition engines — Mounting and connecting dimensions

Professional Standard - Machinery, two levels

JB/T 53300-1999 Product quality classification of single-stage and two-stage petrochemical process pumps
JB/T 53301-1999 Two-stage water ring vacuum pump product quality classification
JB/T 10113-2002 Resistance welding equipment. Secondary connecting cables with terminals connected to water-cooled lugs. Dimensions and characteristics
JB/T 10113-1999 Resistance welding equipment.Secondary connecting cables with terminals connected to water cooled lugs.Dimensions and characteristics
JB/T 11693-2013 The minimum allowable value of energy efficiency and energy efficiency grades for hammer mill for industry feed
JB/T 11694-2013 The minimum allowable values of the energy efficiency and energy efficiency grade for paddle feed mixer

International Electrotechnical Commission (IEC), two levels

IEC TR 62152:2004 Background of terms and definitions of cascaded two-ports
IEC 62512:2012 Electric clothes washer-dryers for household use - Methods for mesuring the performance

RO-ASRO, two levels

STAS 11200/5315-1989 Graphical symbols GRAPHICAL SYMBOL FOR SIGNAL WITH TWO LEVELS
STAS 12438/7-1986 Earth-moving machinery CAPACITY HATING OF THE SCRAPEH BUCKET
STAS 11190/2-1980 STABILIZED POWER SUPPLIES, FOR MEASURING Rating and performance

IETF - Internet Engineering Task Force, two levels

RFC 5302-2008 Domain-Wide Prefix Distribution with Two-Level IS-IS

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

GJB 2982A-2006 Rules for testing and launching of two-stage liquid carrier rocket
GJB 2982-1997 Two-stage liquid launch vehicle test launch procedures
GJB 2981-1997 Two-stage bundled launch vehicle test launch procedures
GJB 2983A-2006 Rules for testing and launching of two-stage solid ground-to-ground strategic missiles
GJB 8000-2013 Requirements of capability level for military software development

Professional Standard - Aviation, two levels

HB 1-121-1974 Two-sided precision (dd) cylindrical head bolts cut flat on both sides
HB 1-144-1976 Two-sided precision (dc) cylindrical head bolts cut flat on both sides
HB 1-119-1974 Two-level accuracy (db) flattened cylinder head bolts on both sides
HB 1-145-1976 Two-sided precision (gb) cylindrical head bolts cut flat on both sides
HB 1-120-1974 Two-sided precision (dc) cylindrical head bolts cut flat on both sides

Anhui Provincial Standard of the People's Republic of China, two levels

DB34/T 895.1-2009 Technical Regulations for Seed Production of Super Rice Xinliangyou 6
DB34/T 895.2-2009 Standardized Cultivation Technical Regulations for Super Rice Xinliangyou 6
DB34/T 1826-2013 High-yielding and high-quality cultivation technical regulations for super rice Huiliangyou 6
DB34/T 2716-2016 Functional Marker Method for Identification of Two-line Rice Sterility Gene

International Organization for Standardization (ISO), two levels

ISO 9488:1999 Solar energy - Vocabulary
ISO 9266:1988 Woodworking machines; universal tool and cutter sharpeners; nomenclature
ISO 7414:1984 Hexagon nuts for structural bolting with large width across flats, style 1; Product grade B; Property class 10
ISO 7576:1990 Road vehicles; two-stage fuel filters for compression-ignition engines; mounting and connecting dimensions
ISO 6445:1989 Doors and doorsets; test of behaviour between two different climates
ISO 4880:1997 Burning behaviour of textiles and textile products - Vocabulary
ISO 7576:1982 Road vehicles — Heads for two-stage fuel filters for compression ignition engines — Mounting and connecting dimensions
ISO 7719:2012 Prevailing torque type all-metal hexagon regular nuts - Property classes 5, 8 and 10
ISO 4775:1984 Hexagon nuts for high-strength structural bolting with large width across flats; Product grade B; Property classes 8 and 10
ISO 8855:1991 Road vehicles; vehicle dynamics and road-holding ability; vocabulary
ISO/TS 19014-5:2021 Earth-moving machinery — Functional safety — Part 5: Tables of performance levels
ISO 7046-1:1994 Countersunk flat head screws (common head style) with type H or type Z cross recess; product grade A; part 1: steel of property class 4.8
ISO 7412:1984 Hexagon bolts for high-strength structural bolting with large width across flats (short thread length); Product grade C; Property classes 8.8 and 10.9
ISO 7417:1984 Hexagon nuts for structural bolting; Style 2, hot-dip galvanized (oversize tapped); Product grade A; Property class 9
ISO/TR 4447:2022 Intelligent transport systems — Mobility integration — Comparison of two mainstream integrated mobility concepts

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., two levels

ASHRAE 4478-2001 Effect of Fin Staging on Frost/Defrost Performance of a Two-Row Heat Pump Evaporator under Heavy Frosting Conditions (RP-1002)
ASHRAE PH-97-13-4-1997 Residential Oil Burners with Low Input and Two-Stage Firing
ASHRAE 4643-2003 Evaluation of an Infared Two-Stage Heating System in a Commercial Application
ASHRAE 4477-2001 Effect of Fin Staging on Frost/Defrost Performance of a Two-Row Heat Pump Evaporator at Standard Test Conditions (RP-1002)
ASHRAE AT-96-20-2-1996 Simulation of Hybrid Heat Pumps with Two- and Three-Stage Solution Circuits for High-Lift Applications
ASHRAE SA-96-7-1-1996 Factors Affecting the Energy Consumption of Two Refrigerator-Freezers
ASHRAE AC-02-4-2-2002 Performance Characteristics for a Desiccant System at Two Extreme Ambient Conditions
ASHRAE 4838-2006 Simulated Influence of Roof Reflectance on the Building Energy Balance in Two Northern Cities
ASHRAE QC-06-028-2006 An Evaluation of Affordable Prototype Houses at Two Levels of Energy Efficiency
ASHRAE LO-09-030-2009 In-Situ Performance of Stratified Air Distribution Systems in Two Canadian Buildings
ASHRAE SE-99-6-2-1999 Validation of Two French Building Energy Programs@ Part 1: Analytical Verification
ASHRAE 90361-2012 Advanced Energy Design Guide for Large Hospitals: 50% Energy Savings
ASHRAE NY-08-026-2008 Evaluation of Building Energy Performance Rating Protocols (RP-1286)
ASHRAE 4632-2003 Two Energy Effciency Measures for Constant Air Volume Exhaust Systems: Using Dampers and Variable Frequency Drives
ASHRAE AEDG-2015 Advanced Energy Design Guide for Grocery Stores
ASHRAE 90435-2004 Advanced Energy Design Guide for Small Office Buildings: 30% Energy Savings
ASHRAE 90432-2006 Advanced Energy Design Guide for Small Retail Buildings: 30% Energy Savings
ASHRAE 90383-2011 Advanced Energy Design Guide for Small to Medium Office Buildings: 50% Energy Savings
ASHRAE 90379-2009 Advanced Energy Design Guide for Highway Lodging: 30% Energy Savings
ASHRAE 90434-2008 Advanced Energy Design Guide for K-12 School Buildings: 30% Energy Savings
ASHRAE 90389-2011 Advanced Energy Design Guide for Medium to Big Box Retail Buildings: 50% Energy Savings
ASHRAE LO-09-053-2009 Comparison Between a Radiant Floor and Two Radiant Walls on Heating and Cooling Energy Demand
ASHRAE 4751-2005 Field Observations of Room Air Distribution Performance in Two Rooms of a Cold-Climate Home

BE-NBN, two levels

NBN-EN 24165-1992
NBN C 61-075-1990
NBN S 03-001-1981 Individual safety - Safety helmets with high performances for users of motorvehicles (2 or 4 wheels)

Group Standards of the People's Republic of China, two levels

T/ZZB 0283-2017 Integrated permanent magnet conversion frequency two-stage compression screw air compressor
T/NJ 1277-2022 Intelligent maize no-tillage planter in two crops area
T/QGCML 1105-2023 Lightweight portable two-wheeled smart electric vehicle
T/CEEIA 258-2016 Minimum allowable values of energy efficiency and energy efficiency grades for 6kV~35kV transformers
T/CIECCPA 025-2023 Two-stage pressure swing adsorption concentrator for low-pressure and low-concentration carbon dioxide
T/CIECCPA 024-2023 Two-stage pressure swing adsorption concentrator for low-pressure and low-concentration carbon dioxide
T/ZJCX 0013-2022 Supercritical gas-liquid two-phase intelligent perfusion equipment for refrigerants
T/ZGM 010-2022 Assessment requirements for quality grading and forerunner - Two pass disk tube reverse osmosis equipment for waste leachate treatment
T/ZAS 2006-2022 Class B for polyphase smart electricity meters
T/ZZB 0754-2018 Class 2 single-phase charge control smart electricity meter
T/CCMA 0135-2022 Technical specifications for intelligently controlled builders hoists for persons and materials
T/CNLIC 0075-2023 Intelligent grade evaluation of keyboard instruments
T/QGCML 691-2023 Multi-level intelligent protective door
T/GDEACC 12-2019 Allowable values of energy efficiency and energy efficiency grades for electric saucepans
T/SEESA 001-2021 Grade Evaluation Method for Energy Conservation Service Institution
T/JSQA 141-2022 DDZY637 A single-phase charge control watt hour electricity meters
T/GDJD 006-2020 Performance classification and testing method ofintelligent clothes airing machine
T/CGDF 00006-2021 Minimum allowable values of operational energy efficiency and energy efficiency grades for pump set
T/CASME 335-2023 Evaluation of energy efficiency grade for electric fireplaces
T/CESA 1038-2019 Information technology - Artificial intelligence - Classified assessment on intelligent assistant's capabilities
T/SLDA 004-2022 Specification for energy efficiency minimum allowable values and energy efficiency grades of LED rope lights
T/DZJN 41-2021 Allowable values of energy efficiency and energy efficiency grades for commercial water boilers
T/CNLIC 0078-2023 Maximum allowable values of the energy efficiency and energy efficiency grade for disinfecting tableware cabinet
T/CNLIC 0077-2023 Household fresh air fan energy efficiency limit value and energy efficiency grade
T/GHDQ 43-2019 Comprehensive Evaluation Index on the Performance of the Gasoline/CNG bi-fuel passenger car in Frigid Regions
T/CAS 579-2022 Smart home—General model for intelligent capability level emplate of social organization standards
T/SZFA 3016.2-2022 Intelligent furniture — Criteria for evaluating intelligence level — Part 2：Intelligent beds
T/JSSCYXH 03-2021 Evaluation Standard of Diancha Skill Level
T/ZZB 1977-2020 Multifunctional and digital precision sound level meters
T/GITU 008-2021 Intelligentization degrees of lighting products
T/CSAC 002-2023 Cyber range－Capability Level Guide
T/ZRCX 03-2016 《Energy efficiency grades evaluating for commercial gas appliances》
T/CIESC 0014-2021 Energy efficiency rating standards for industrial microwave generators
T/HBTCPC SN0512-2021 Evaluation of the poetry ability of teenagers
T/CGMA 033001-2018 Guide to energy efficiency classification for compressed air stations
T/JLS 0002.2-2021 Evaluation of skill levels of live salespersons
T/GIEHA 008-2018 Classification of sterilization performance of air purifiers
T/QGCML 155-2021 Control smog, environmental protection and energy saving super gasoline
T/CI 127-2023 Comprehensive performance grade evaluation—Tea bar device
T/CHTA 006-2020 Energy efficiency limit value, energy efficiency grade and energy saving measures of vacuum heat treatment equipment
T/SARI 0001-2019 The minimum allowable values of the energy efficiency and energy efficiency grade for the Fan Coil Unit
T/TMAC 040.F-2022 Rating of teenagers' intelligent technology innovation practice ability
T/QGCML 161-2021 Energy-saving control device for megawatt-class multifunctional wind power generators
T/CESA 1039-2019 Information technology-Artificial intelligence-Classified assessment for machine translation capabilities
T/SARI 0002-2019 The minimum allowable values of the energy efficiency and energy efficiency grade for Air Handling Unit
T/ITS 0152-2020 Function and grade requirements of intelligent analysis for road cameras
T/SZBSIA 002-2022 Technical specification for NTC thermistor for energy storage of new energy vehicles
T/CECA-G 0010-2016 Allowable values of energy efficiency and energy efficiency grades of LED lamps for tunnel lighting
T/CECA-G 0012-2016 Allowable values of energy efficiency and energy efficiency grades of LED lamps for road lighting
T/RZLY 001-2022 Professional skill level Standards for etiquette trainers
T/FDSA 013-2021 Occupational skill grade requirements for food inspection
T/PCO 020-2020 Standard for rating the competence of practicing lawyers
T/CASMES 66-2022 Private wealth management vocational skill levels
T/SEESA 003-2020 Energy efficiency grades and evaluation method for the check valve
T/GB 118-2020 Standard for rating the competence of practicing lawyers
T/HTASA 001-2022 Tea Art Performance Ability Classification Evaluation Standard?
T/GDBX 049-2022 High-performance fiber grade copolyamide chip
T/SHPA 0001-2023 Evaluation criteria of Disinfection Service Capacity

Guangxi Provincial Standard of the People's Republic of China, two levels

DB45/T 1156-2015 Technical regulations for high-yield seed production of super rice Guiliangyou 2

Sichuan Provincial Standard of the People's Republic of China, two levels

DB5111/T 36-2022 Food Safety "Two Responsibilities" Hierarchical and Grading Work Guidelines

Defense Logistics Agency, two levels

DLA SMD-5962-84185 REV E-2011 MICROCIRCUIT, LINEAR, TWO-STAGE DIFFERENTIAL VIDEO AMPLIFIER, MONOLITHIC SILICON
DLA A-A-55460 D-2009 INTERRUPTER, GROUND FAULT, TWO-POLE, THREE-WIRE HOSPITAL GRADE, 15-AMPERE
DLA A-A-55461 D-2009 INTERRUPTER, GROUND FAULT, TWO-POLE, THREE-WIRE HOSPITAL GRADE, 20-AMPERE
DLA A-A-55460 C-2003 INTERRUPTER, GROUND FAULT, TWO-POLE, THREE-WIRE HOSPITAL GRADE, 15-AMPERE
DLA A-A-55461 C-2003 INTERRUPTER, GROUND FAULT, TWO-POLE, THREE-WIRE HOSPITAL GRADE, 20-AMPERE
DLA MS21980 REV E VALID NOTICE 2-2006 FERRULE, OUTER, UNINSULATED, SHIELDED TERMINATING, TYPE I TWO PIECE, CLASS I, FOR SHIELDED CABLE
DLA MS21980 REV E NOTICE 1-1998 FERRULE, OUTER, UNINSULATED, SHIELDED TERMINATING, TYPE I TWO PIECE, CLASS I, FOR SHIELDED CABLE
DLA MS21980 REV E-1982 FERRULE, OUTER, UNINSULATED, SHIELDED TERMINATING, TYPE I TWO PIECE, CLASS I, FOR SHIELDED CABLE
DLA MS21981 REV D VALID NOTICE 2-2006 FERRULE, INNER, UNINSULATED, SHIELDED TERMINATING, TYPE I TWO PIECE, CLASS I, FOR SHIELDED CABLE
DLA MS21981 REV D NOTICE 1-1998 FERRULE, INNER, UNINSULATED, SHIELDED TERMINATING, TYPE I TWO PIECE, CLASS I, FOR SHIELDED CABLE
DLA MS21981 REV D-1982 FERRULE, INNER, UNINSULATED, SHIELDED TERMINATING, TYPE I TWO PIECE, CLASS I, FOR SHIELDED CABLE
DLA A-A-55168 C-2007 FUSEHOLDER, BLOCK, CLASS H, 30 AMPERE, 250 V AC, ONE, TWO, AND THREE POLE
DLA A-A-55426 C-2007 FUSEHOLDER, BLOCK, CLASS H, 60 AMPERE, 600 V AC, ONE, TWO, AND THREE POLE
DLA A-A-55427 C-2007 FUSEHOLDER, BLOCK, CLASS H, 60 AMPERE, 250 V AC, ONE, TWO, AND THREE POLE
DLA A-A-55428 C-2007 FUSEHOLDER, BLOCK, CLASS H, 30 AMPERE, 600 V AC, ONE, TWO, AND THREE POLE
DLA A-A-55429 C-2007 FUSEHOLDER, BLOCK, CLASS H, 100 AMPERE, 600 V AC, ONE, TWO, AND THREE POLE
DLA DSCC-DWG-89065 REV B-2003 GENERAL SPECIFICATION FOR HIGH PERFORMANCE, HIGH DENSITY, TWO PIECE PRINTED CIRCUIT BOARD CONNECTOR
DLA W-C-596/149 A VALID NOTICE 1-2001 CONNECTOR, PLUG, ELECTRICAL, SPECIFIC PURPOSE, LOCKING, GROUNDING, 2 POLE, 3 WIRE, 30 AMPERES, 28 VOLTS, DIRECT CURRENT

ESDU - Engineering Sciences Data Unit, two levels

ESDU 81038 C-1983 Heat pipes - performance of two-phase closed thermosyphons.

CZ-CSN, two levels

CSN 11 3026-1981 Centrifuga] radial spiral one-stage pumpa with two water entries
CSN 49 0616 Cast.1-1985 Wood protection. Preservation of wooden sleepers. Two-stage mode (2P)
CSN 35 6112-1965 Class 1.0 alternating-current watthour meters
CSN 42 5524-1985 Hot-rolled universal mill plate of steel of grades 10 and 11. Dimensions

British Standards Institution (BSI), two levels

BS EN IEC 62512:2020+A11:2020 Electric clothes washer-dryers for household use. Methods for measuring the performance
SP 141-1970 Specification for design and performance requirements for toggle type panel fasteners
BS EN IEC 61853-3:2018 Photovoltaic (PV) module performance testing and energy rating - Energy rating of PV modules
PD ISO/TS 19014-5:2021 Earth-moving machinery. Functional safety. Tables of performance levels
BS EN 60034-1:2010 Rotating electrical machines. Rating and performance
BS EN 60034-1:2006 Rotating electrical machines - Rating and performance
BS EN ISO 7719:2012 Prevailing torque type all-metal hexagon regular nuts. Property classes 5, 8 and 10
PD ISO/TR 4447:2022 Intelligent transport systems. Mobility integration. Comparison of two mainstream Integrated mobility concepts
BS CWA 15464-3:2005 Humanitarian mine action - EOD competency standards - Competency for EOD level 1
BS CWA 15464-4:2005 Humanitarian mine action - EOD competency standards - Competency for EOD level 4
BS CWA 15464-5:2005 Humanitarian mine action - EOD competency standards - Competency for EOD level 3

HU-MSZT, two levels

Society of Automotive Engineers (SAE), two levels

SAE AS3478D-2019 NUT, SELF-LOCKING, PLATE, TWO LUG, LOW HEIGHT, UNS S66286, CLASS: 125 KSI/800 °F
SAE AS3478C-2007 NUT, SELF-LOCKING, PLATE, TWO LUG, LOW HEIGHT, UNS S66286, CLASS: 125 KSI/800 °F
SAE AS3478E-2020 NUT, SELF-LOCKING, PLATE, TWO LUG, LOW HEIGHT, UNS S66286, CLASS: 125 KSI/800 °F
SAE AS21981-2011 Ferrule, Inner, Uninsulated, Shield Terminating, Type I, Two Piece, Class I, for Shielded Cables
SAE J2116-2003 Two-Stroke-Cycle Gasoline Engine Lubricants Performance and Service Classification
SAE J1802-2014 Brake Block Effectiveness Rating
SAE J1802-2001 Brake Block Effectiveness Rating
SAE J293-1988 VEHICLE GRADE PARKING PERFORMANCE REQUIREMENTS
SAE ARP4028-2020 Aircraft/Engine Fuel Pump Two Phase (Slugging Flow) Inlet Performance Test and Evaluation
SAE J957-1975 ELEVATING SCRAPERS—CAPACITY RATING
SAE AS3481H-2020 NUT, SELF-LOCKING, PLATE, TWO LUG, FLOATING, REDUCED RIVET SPACING, LOW HEIGHT, UNS S66286, CLASS: 125 KSI/800 °F
SAE AS3481K-2023 NUT, SELF-LOCKING, PLATE, TWO LUG, FLOATING, REDUCED RIVET SPACING, LOW HEIGHT, UNS S66286, CLASS: 125 KSI/800 °F
SAE AS3481E-2007 NUT, SELF-LOCKING, PLATE, TWO LUG, FLOATING, REDUCED RIVET SPACING, LOW HEIGHT, UNS S66286, CLASS: 125 KSI/800 °F
SAE AS3481J-2022 NUT, SELF-LOCKING, PLATE, TWO LUG, FLOATING, REDUCED RIVET SPACING, LOW HEIGHT, UNS S66286, CLASS: 125 KSI/800 °F
SAE J1452-2011 Trailer Grade Parking Performance Test Procedure
SAE USCAR29-1-2022 AUTOMOTIVE GRADE COAXIAL CABLE PERFORMANCE SPECIFICATION

IT-UNI, two levels

(U.S.) Telecommunications Industries Association , two levels

TIA-102.CCAB-2011 Two - Slot Time Division Multiple Access Transceiver Performance Recommendations
TIA TSB-102.CBBA-2009 Project 25 Recommended Compliance Assessment Tests ?Transceiver Performance ?C onventional Mode Subscriber

Professional Standard - Aerospace, two levels

QJ 955.4-1985 Multifunctional combined stamping mold base component dual-purpose mold handle
QJ 957.3-1985 Dual-purpose positioning pin for multifunctional combined stamping formwork components
QJ 1960.4-1990 Light series multifunctional combined stamping formwork component dual-purpose mold handle
QJ 1960.5-1990 Dual-purpose positioning pin for light series multifunctional combined stamping frame components
QJ 1960.4A-2007 Multifunctional combined stamping formwork components part 4: dual-purpose die handles
QJ 1960.5A-2007 Multifunctional combined stamping formwork components part 5: dual-purpose locating pins

(U.S.) Ford Automotive Standards, two levels

FORD SK-M1J9559-A-2007 TWO PACK REPAIR ENAMEL, EXTERIOR QUALITY ***TO BE USED WITH FORD WSS-M99P1111-A***
FORD ESA-M2P165-A-2003 PAINT PERFORMANCE, TWO COAT SYSTEM, TUBING ***TO BE USED WITH FORD WSS-M99P1111-A***
FORD ESK-M99J323-A1-2005 HARDENER, TWO PACK, 75% SOLIDS, EXTERIOR, FOR PRIMER ***TO BE USED WITH FORD WSS-M99P1111-A***

Japanese Industrial Standards Committee (JISC), two levels

JIS C 1512:1996 Level recorders for recording sound level and/or vibration level
JIS D 1039:1994 Mopeds and motorcycles -- Method of hill climbing test
JIS B 8301:2018 Rotodynamic pumps -- Hydraulic performance acceptance tests -- Grades 1, 2 and 3
JIS B 8301:2000 Rotodynamic pumps -- Hydraulic performance acceptance tests -- Grades 1 and 2
JIS C 8911:1998 Secondary reference crystalline solar cells

National Electrical Manufacturers Association（NEMA), two levels

NEMA SG-AMI 1-2009 Requirements for Smart Meter Upgradeability

Guangdong Provincial Standard of the People's Republic of China, two levels

DB44/T 890-2011 Elevator Energy Efficiency Level
DB4403/T 274-2022 Disability identification and disability rating method
DB44/T 2092-2018 Allowable values of energy efficiency and energy efficiency grades for DC electric fans

German Institute for Standardization, two levels

DIN ISO 7576:1992 Road vehicles; two-stage fuel filters for compression-ignition engines; mounting and connecting dimensions; identical with ISO 7576:1990
DIN 53803-4:1984 Sampling; statistical principles of sampling with cross classification according to two hierarchical criteria
DIN VDE 0620-101:1992 Plugs and socket-outlets up to 400 V 25 A; flat non-wirable two pole plugs, 2,5 A 250 V, with cord, for the connection of class-II-equipment for household and similar purposes; german version EN 50075:1990
DIN 18032-4:2002-08 Sport halls - Halls for gymnastics games and multiple purposes - Part 4: Two-leaf partition curtains
DIN CEN/TS 17249-5:2022-10 Intelligent transport systems - eSafety - Part 5: eCall for UNECE category L1 and L3 powered two-wheeled vehicles; German version CEN/TS 17249-5:2022

Standard Association of Australia （SAA）, two levels

AS 4156.7:1999(R2013)
AS 2417:2001 Rotodynamic pumps - Hydraulic performance acceptance tests - Grades 1 and 2
AS 3730.27:1993 Guide to the properties of paints for buildings Part 27: Floor varnish- Two -pack-Isocyanate cured

Jiangsu Provincial Standard of the People's Republic of China, two levels

DB32/T 2156-2012 Elevator energy consumption test and energy efficiency classification

Indonesia Standards, two levels

SNI 04-3877-1995 Particular requirements for accessories of direct acting indicating analogue electrical measuring instruments
SNI 04-3878-1995 Particular requirements for double function direct acting indicating analogue electrical measuring instruments and their accessories
SNI 7518-2009 Rotodynamic pumps - Hydraulic performance acceptance tests - Grades 1 and 2

Association Francaise de Normalisation, two levels

NF P20-514*NF EN 1121:2000 Doors - Behaviour between two different climates - Test method
NF C57-113-3*NF EN IEC 61853-3:2018 Photovoltaic (PV) module performance testing and energy rating - Part 3 : energy rating of PV modules
NF EN 16764:2016 Machines à glace à l'italienne - Performance et évaluation de la consommation d'énergie
NF P20-514:1985 METHODS OF TESTING DOORS. BEHAVIOUR OF DOOR LEAVES PLACED BETWEEN TWO DIFFERENT CLIMATES. (EUROPEAN STANDARD EN 79).
NF EN ISO 17994:2014 Qualité de l'eau - Exigences pour la comparaison du rendement relatif des microorganismes par deux méthodes quantitatives
NF C44-101:1993 Alternating current static watt-hour meters for active energy (classes 0,2 S and 0,5 S).
FD X30-125:2023 Accompagnement pour la mise en œuvre du dispositif Eco Energie Tertiaire
FD CEN/TR 16705:2015 Protection périmétrique - Méthode de classification des performances
NF L46-015:1987 O-rings. Butadiene acrylonitrile rubber 20B8. Precision class A. Performance class 3.
NF P28-103*NF EN 12154:2000 Curtain walling - Watertightness - Performance requirements and classification

SAE - SAE International, two levels

SAE J2116-1990 TWO-STROKE-CYCLE GASOLINE ENGINE LUBRICANTS PERFORMANCE AND SERVICE CLASSIFICATION
SAE J2116-1993 Two-Stroke-Cycle Gasoline Engine Lubricants Performance and Service Classification@ Standard
SAE J1802-2019 Brake Block Effectiveness Rating
SAE J1802-1993 Brake Block Effectiveness Rating@ Recommended Practice (June 1993)
SAE J293-1995 VEHICLE GRADE PARKING PERFORMANCE REQUIREMENTS
SAE J293-2017 Truck and Bus Grade Parking Performance Requirements
SAE J957-1993 ELEVATING SCRAPERS—CAPACITY RATING
SAE J957-2003 Capacity Rating Elevating Scrapers
SAE J957-1966 Elevating Scrapers - Capacity Rating
SAE J957-1985 Capacity Rating - Elevating Scrapers

Taiwan Provincial Standard of the People's Republic of China, two levels

CNS 7798-1998 Nuclear - Grade Boron Carbide Powder
CNS 7799-1998 Nuclear - Grade Boron Carbide Pellets
CNS 7801-1998 Nuclear - Grade Aluminum Oxide Pellets
CNS 8126-1981 Specification for nuclear - Grade beryllium oxide powder
CNS 7800-1998 Nuclear - Grade Silver - Indium - Cadmium Alloy
CNS 7802-1998 Nuclear - Grade Gadolinium Oxide (Gd2O3) Powder
CNS 8887-1982 Drawing Instruments: Technical Requirements
CNS 8128-1981 Method for measurement of lattice spacing of neuclear graphite
CNS 14166-1998 General rules for qualification of nuclear safety grade electrical equipment
CNS 8127-1998 Specification for Nuclear - Grade, Sinterable Uranium Dioxide Powder

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, two levels

GB/T 25074-2010 Solar-grade polycrystalline silicon
GB/T 25074-2017(英文版) Solar grade polycrystalline silicon
GB/T 3216-2016 Grade 1, Grade 2 and Grade 3 Hydraulic Performance Acceptance Tests for Rotary Power Pumps
GB/T 17215-2002 Alternating current static watt-hour meters for active energy(Classes 1 and 2)
GB 21521-2008 Minimum allowable values of energy efficiency and energy efficiency grades for copy machines
GB 19761-2009 Minimum allowable values of energy efficiency and energy efficiency grades for fan
GB 18613-2020 Minimum allowable values of energy efficiency and values of efficiency grades for motors
GB 21520-2023 Display energy efficiency allowable value and energy efficiency grade
GB 30978-2014 Minimum allowable values of the energy efficiency and energy efficiency grades for water dispensers
GB 32028-2015 Minimum allowable values of energy efficiency and energy efficiency grades for projectors
GB 15442.1-1995 Classification and test methods for fire retardanoy of finishing fire retardant paints Classication for fire retardancy
GB 19573-2004 Limited values of energy efficiency and rating criteria for high-pressure sodium vapour lamps
GB 24500-2009 The minimum allowable values of energy efficiency and energy efficiency grades of industrial boilers
GB 29539-2013 Minimum allowable values of energy efficiency and energy efficiency grades for range hoods
GB 32030-2022 Minimum allowable values of energy efficiency and energy efficiency grades for submersible motor-pumps
GB 24850-2013 Minimum allowable values of energy efficiency and energy efficiency grades for flat panel televisions
GB 19577-2015 Allowable values of energy efficiency and energy efficiency grades for chillers
GB 28736-2012 Minimum allowable values of energy efficiency and energy efficiency grades for arc welding machines
GB 24850-2010 Minimum allowable values of energy efficiency and energy efficiency grades for flat panel televisions
GB 21456-2014 Minimum allowable values of the energy efficiency and energy efficiency grades for household induction cookers
GB 21518-2008 Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors
GB 12021.6-2008 Minimum allowable values of energy efficiency and energy efficiency grades for automatic electric rice cookers
GB 12021.9-2008 Minimum allowable values of energy efficiency and energy efficiency grades for AC electric fans
GB 24790-2009 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
GB 28380-2012 Minimum allowable values of energy efficiency and energy grades for microcomputers
GB 12021.6-2017(英文版) Minimum allowable values of energy efficiency and energy efficiency grades for electric rice cookers
GB 21518-2022 Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors
GB 40876-2021 Minimum allowable values of energy efficiency and energy efficiency grades for commercial induction cookers
GB 26969-2011 Minimum allowable values of energy efficiency and energy efficiency grades for domestic solar water heating systems
GB/T 31155-2014 Classification of solar energy resources.Global radiation
GB/T 16780-1997 Energy consumption grading of cement plant
GB/T 12834-2001 Rubber,vulcanized--Preferred gradations of properties
GB/T 15225-1994 Graduation of physical performances for building curtain walls
GB/T 13684-1992 Graduation of building physical performances for steel windows
GB/T 26262-2010 Guide for classification of telecommunication equipment energy efficiency
GB/T 29054-2012 Solar-grade casting multi-crystalline silicon brick
GB/T 3216-2005 Rotodynamic pumps.Hydraulic performance acceptance tests.Grades 1 and 2
GB 30531-2014 Minimum allowable values of energy efficiency and energy efficiency grades for commercial gas cooking appliances
GB 21520-2008 Minimum allowable values of energy efficiency and energy efficiency grades for computer monitors
GB 20054-2006 The minimum allowable values of energy efficiency and energy efficiency grades for metal-halide lamps
GB 19577-2004 The minimum allowable values of the energy efficiency and energy efficiency grades for water chillers
GB 25956-2010 Minimum allowable values of energy efficiency and energy grade for printers and fax machines
GB 29541-2013 Minimum allowable values of the energy efficiency and energy efficiency grades for heat pump water heaters
GB 21520-2015 Minimum allowable values of energy efficiency and energy efficiency grades for computer monitors
GB 20054-2015 Allowable values of energy efficiency and energy efficiency grades for metal halide lamps
GB 30720-2014 General requirements of safety and control devices for gas burners and gas-burning appliances
GB 32029-2015 Allowable values of energy efficiency and energy efficiency grades for small submersible electric pumps
GB 32030-2015 Allowable values of energy efficiency and energy efficiency grades for submersible pumps used in wells
GB 25958-2010 Minimum allowable values of energy efficiency and values of efficiency grade for small-power motors
GB 31247-2014 Classification for burning behavior of electric and optical cables
GB 21456-2008 The minimum allowable values of the energy efficiency and energy efficiency grades for household induction cookers
GB 21519-2008 Minimum allowable values of energy efficiency and energy efficiency grades for electrical storage water heaters
GB 12021.4-2004 The maximum allowable values of the energy consumption and Energy efficiency grade for household electric washing machines
GB 12021.3-2010 The minimum allowable value of the energy efficiency and energy efficiency grades for room air conditioners
GB 29142-2012 Minimum allowable values of energy efficiency and energy efficiency grades for single-capped electrodeless fluorescent lamps
GB 20052-2013 Minimum allowable values of energy efficiency and energy efficiency grades for three-phase distribution transformers
GB 30253-2013 Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors
GB 36893-2018(英文版) Minimum allowable values of energy efficiency and energy efficiency grades for air cleaners
GB 29541-2013(英文版) Minimum allowable values of the energy efficiency and energy efficiency grades for heat pump water heaters
GB 21455-2019(英文版) Minimum allowable values of the energy efficiency and energy efficiency grades for room air conditioners
GB 32284-2015 Permissible values of energy efficiency and energy efficiency grades for centrifugal pumps in petrochemical industry
GB 30721-2014 Minimum allowable values of energy efficiency and energy efficiency grades for water-source (ground-source) heat pumps
GB 32311-2015 Energy efficiency limit value and energy efficiency grade of water electrolysis hydrogen production system
GB/T 17215.324-2022 Electricity metering equipment（AC)—Particular requirements—Part 24: Static meters for fundamental component reactive energy (classes 0,5S, 1S, 1, 2 and 3)
GB 19153-2009 Minimum allowable values of energy efficiency and energy efficiency grade for displacement air compressors
GB 24848-2010 Minimum allowable values of energy efficiency and energy efficiency grades for heater of petroleum industry
GB 17896-2012 Minimum allowable values of energy efficiency and energy efficiency grades of ballasts for tubular fluorescent lamps
GB 19044-2022 Minimum allowable values of energy efficiency and energy efficiency grades of fluorescent lamps for general lighting
GB 32031-2015 Minimum allowable values of energy efficiency and energy efficiency grades for waste submersible motor-pumps
GB 8624-1997 Classification on burning behaviour for building meterials
GB/T 31769-2015 Rating specification for applied competence of innovation method
GB/T 11793.1-1989 Graduation of building physical performances for PVC windows

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, two levels

GB/T 33673-2017 Grade of horizontal visibility
GB/T 25074-2017 Solar-grade polycrystalline silicon
GB/T 34299-2017 Grads of atmospheric self-purification capability
GB 12021.6-2017 Minimum allowable values of energy efficiency and energy efficiency grades for electric rice cookers
GB/T 33677-2017 Classification of solar energy resources—Direct radiation

CENELEC - European Committee for Electrotechnical Standardization, two levels

EN IEC 61853-3:2018 Photovoltaic (PV) module performance testing and energy rating - Part 3: Energy rating of PV modules

Guizhou Provincial Standard of the People's Republic of China, two levels

DB52/T 1209-2017 Evaluation of Energy Efficiency Grade of Multifunctional Electric Heater

Korean Agency for Technology and Standards (KATS), two levels

KS R ISO 7576-2003(2013) Road vehicles－Two-stage fuel filters for compression-ignition engines－Mounting and connecting dimensions
KS B ISO 7719:2005 Prevailing torque type all-metal hexagon nuts, style 1－Property classes 5, 8 and 10
KS F 2389-2014 Performance grade for asphalt binder
KS R ISO 7576:2003 Road vehicles-Two-stage fuel filters for compression-ignition engines-Mounting and connecting dimensions
KS C 1214-2010(2022) Static meters for active/reactive energy(class 0.2, 0.5, 1.0, 2.0 for active energy and class 2.0, 3.0 for reactive energy)
KS C OIMLR 46-2013 Active electrical energy meters for direct connection(Class 2)
KS F 2389-2019 Performance grade for asphalt binder
KS C IEC 62053-23-2005(2020) Electricity metering equipments(a.c)－Particular requirements－Part 23：Static meters for reactive energy(classes 2 and 3)
KS B ISO 7720:2005 Prevailing torque type all-metal hexagon nuts, style 2-Property class 9
KS B ISO 7720:2013 Prevailing torque type all-metal hexagon nuts, style 2－Property class 9

ES-UNE, two levels

UNE-EN IEC 61853-3:2018 Photovoltaic (PV) module performance testing and energy rating - Part 3: Energy rating of PV modules (Endorsed by Asociación Española de Normalización in December of 2018.)
UNE-EN ISO 9906:2012 Rotodynamic pumps - Hydraulic performance acceptance tests - Grades 1, 2 and 3 (ISO 9906:2012) (Endorsed by AENOR in June of 2012.)
UNE-CEN/TS 17249-5:2022 Intelligent transport systems - eSafety - Part 5: eCall for UNECE category L1 and L3 powered two-wheeled vehicles (Endorsed by Asociación Española de Normalización in October of 2022.)

Professional Standard - Building Materials, two levels

JC 431-1991 Stone casting. Grading of energy consumption
JC 522-1993 Grading of energy consumption of rock wool
JC 571-1994 Grading of energy consumption of linoleum
JC 521-1993 Glass ball energy consumption rating
JC/T 710-1990 Grading of energy consumption of cement products
JC 524-1993 Grading of energy consumption of graphite products
JC/T 713-2007 Energy consumption quota of Bred brick and tile
JC 432-1991 Flat glass energy consumption rating
JC/T 713-1990 Sintered brick and tile energy consumption rating
JC 570-1994 Glass fiber energy consumption rating
JC/T 524-1993 Graphite product energy consumption grade quota
JC 569-1994 Grading of energy consumption of glass mosaic
JC 523-1993 Grading of energy consumption of thistle board
JC/T 712-1990 Sanitary ceramics products in buildings. Grading of energy consumption

RU-GOST R, two levels

GOST 31961-2012 Industrial fans. Energy efficiency grades
GOST 8.450-1981 State system for ensuring the uniformity of measurements. Oxidation potentials scale for aqueous solutions

U.S. Air-Conditioning, Heating, and Refrigeration Institute (US-AHRI), two levels

AHRI 821 SI-2012 Performance Rating of Ice Storage Bins
AHRI 820 I-P-2012 Performance Rating of Ice Storage Bins
AHRI 1241 SI-2014 Performance Rating of Active Chilled Beams
AHRI 1240 I-P-2014 Performance Rating of Active Chilled Beams
AHRI 880 I-P-2011 Performance Rating of Air Terminals
AHRI 711 SI-2009 Performance Rating of Liquid-Line Driers
AHRI 710 I-P-2009 Performance Rating of Liquid-Line Driers
AHRI 870-2005 Performance Rating of Direct GeoExchange Heat Pumps
AHRI 1210 I-P-2011 Performance Rating of Variable Frequency Drives
AHRI 1211 SI-2011 Performance Rating of Variable Frequency Drives
AHRI 430-2009 Performance Rating of Central Station Air-Handling Units
AHRI 470-2006 Performance Rating of Desuperheater/Water Heaters
AHRI 1500-2015 Performance Rating of Commercial Space Heating Boilers
AHRI 1160 I-P-2014 Performance Rating of Heat Pump Pool Heaters
AHRI 1161 SI-2014 Performance Rating of Heat Pump Pool Heaters
AHRI 440-2008 Performance Rating of Room Fan-Coils
AHRI 715 I-P-2014 Performance Rating of Liquid Line Filters
AHRI 716 SI-2014 Performance Rating of Liquid Line Filters
AHRI 520-2004 PERFORMANCE RATING OF POSITIVE DISPLACEMENT CONDENSING UNITS
AHRI 811 SI-2012 Performance Rating of Automatic Commercial Ice-Makers

Beijing Provincial Standard of the People's Republic of China, two levels

DB11/T 1139-2014 Data Center Energy Efficiency Classification
DB11/T 1233-2015 Heating Energy Saving Meteorological Grade
DB11/T 1277-2015 Functional grade assessment of drainage pipes
DB11/T 1155-2015 Energy Efficiency Classification of Mobile Communication Base Stations

Hebei Provincial Standard of the People's Republic of China, two levels

DB13/T 1631-2012 Solar Grade Polysilicon Ingot
DB13/T 1632-2012 Solar Grade Polysilicon Block
DB13/T 1633-2012 Solar Grade Polysilicon Wafer
DB13/T 1828-2013 Solar grade monocrystalline silicon wafer

Professional Standard - Meteorology, two levels

QX/T 114-2010 Visibility Ratings and Forecasts

中国有色金属工业总公司, two levels

YS 127-1992 Aluminum electrolytic cell energy consumption level

The American Road & Transportation Builders Association, two levels

AASHTO R 29-2002 Standard Practice for Grading or Verifying the Performance Grade of an Asphalt Binder
AASHTO R 29-2014 Standard Practice for Grading or Verifying the Performance Grade (PG) of an Asphalt Binder
AASHTO R 29-2015 Standard Practice for Grading or Verifying the Performance Grade (PG) of an Asphalt Binder

国家市场监督管理总局、中国国家标准化管理委员会, two levels

GB 37484-2019 Minimum allowable values of energy efficiency and energy efficiency grades for precipitator
GB 28736-2019 Minimum allowable values of energy efficiency and energy efficiency grades for welding machines
GB 12021.9-2021 Minimum allowable values of energy efficiency and energy efficiency grades for electric fans
GB/T 39962-2021 Die casting machine—Energy efficiency limits and energy efficiency rating
GB 19761-2020 Minimum allowable values of energy efficiency and energy efficiency grades for fan
GB 40879-2021 Maximum allowable values of energy efficiency and energy efficiency grades for data centers
GB 39177-2020 Minimum allowable values of energy efficiency and energy efficiency grades for electric pressure cookers
GB 24500-2020 Minimum allowable values of energy efficiency and energy efficiency grades of industrial boilers
GB 36893-2018 Minimum allowable values of the energy efficiency and energy efficiency grades for air cleaners
GB 38448-2019 Minimum allowable values and grades of the energy efficiency and water efficiency for smart water closets
GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers
GB/T 17215.321-2021 Electricity metering equipment (AC)—Particular requirements—Part 21：Static meters for active energy(classes A, B, C, D and E)
GB 21455-2019 Minimum allowable values of the energy efficiency and energy efficiency grades for room air conditioners
GB 30255-2019 Minimum allowable values of energy efficiency and energy efficiency grades of LED products for indoor lighting
GB 38449-2019 Minimum allowable values of energy efficiency and energy efficiency grade of regenerative rolling reheating furnace
GB 19153-2019 Minimum allowable values of energy efficiency and energy efficiency grades for displacement air compressors
GB 24850-2020 Minimum allowable values of energy efficiency and energy efficiency grades for flat panel televisions and set-top boxes
GB 19576-2019 Minimum allowable values of energy efficiency and energy efficiency grades for unitary air conditioners

Professional Standard - Textile, two levels

FZ/T 07018-2021 Dyeing machine energy efficiency allowable value and energy efficiency grade

工业和信息化部, two levels

JB/T 13871-2020 Cupola furnace energy efficiency limit value and energy efficiency grade
QB/T 5625-2021 Electric oven energy efficiency limit value and energy efficiency grade
YB/T 4816-2020 Converter oxygen lance energy efficiency limit value and energy efficiency grade
YB/T 4869-2020 Energy efficiency limit value and energy efficiency grade of steel rolling heating furnace
QB/T 5359-2019 Energy efficiency limit value and energy efficiency grade of health care massage chair
JB/T 13618-2019 Energy efficiency limits and energy efficiency grades of feed ring die pellet mills
JB/T 14165-2022 Energy efficiency limit value and energy efficiency grade of pump water supply and drainage system
SJ/T 11748-2019 General specifications for broadcast-grade intelligent PTZs
YD/T 3017-2016 Energy saving classification of mobile core network equipment
YB/T 4962-2021 Energy consumption limit and energy efficiency grade of blast furnace circulating cooling water system

Professional Standard - Post and Telecommunication, two levels

YD/T 4440-2023

VN-TCVN, two levels

TCVN 7385-2004 Safety of machinery.Two-hand control devices.Functional aspects and design principles

Professional Standard - Electron, two levels

SJ 3250-1989 Methods of measurement for chromium concentration in semi-insulation Gallium arsenide by infra-red absorption

Professional Standard - Light Industry, two levels

QB/T 4268-2011 Minimum allowable values of energy efficiency and energy efficiency grades for electric pressure cooker
QB/T 4978-2016 Minimum allowable values of energy efficiency and energy efficiency grades for blankets and pads
QB/T 5679-2022 Permissible values of energy efficiency and energy efficiency grades for drinking water treatment devices
QB/T 4699-2014 Energy efficiency grades and assessment method of electric hairdryers

National Aeronautics and Space Administration (NASA), two levels

NASA-TP-1863-1981 Static and yawed-rolling mechanical properties of two type 7 aircraft tires
NASA-TN-D-4445-1968 Noncavitating performance of two-area-ratio water jet pumps having throat lengths of 7.25 diameters

American National Standards Institute （ANSI), two levels

ANSI/AHRI 1210-2011 Performance Rating of Variable Speed Drives
ANSI/AHRI 711(SI)-2010 Performance Rating of Liquid-Line Driers
ANSI/AHRI 1210(I-P) with Addendum 1-2011 Performance Rating of Variable Frequency Drives
ANSI/AHRI 1211-2011 Performance Rating of Variable Frequency Drives
ANSI/APCO/NENA 1.102.1-2010 Service Capability Criteria Rating Scale
ANSI/AHRI 1211(SI) with Addendum 1-2011 Performance Rating of Variable Frequency Drives
ANSI/AHRI 821(SI)-2012 Performance Rating of Ice Storage Bins
ANSI/AHRI 1300(I-P)-2013 Performance Rating of Commercial Heat Pump Water Heaters
ANSI/AHRI 495-2005 Performance Rating of Refrigerant Liquid Receivers
ANSI/AHRI 920-2013 Performance Rating of Indoor Pool Dehumidifiers
ANSI/AHRI 910-2011 Performance Rating of Indoor Pool Dehumidifiers

U.S. Air-Conditioning, Heating, and Refrigeration Institute (US-AHRI), two levels

ARI 880-2008 Performance Rating of Air Terminals
ARI 1160-2007 Performance Rating of Heat Pump Pool Heaters
ARI 1160-2008 Performance Rating of Heat Pump Pool Heaters
ARI 440-2008 Performance Rating of Room Fan-Coils
ARI 715-2007 Performance Rating of Liquid-Line Filters

Fujian Provincial Standard of the People's Republic of China, two levels

DB35/T 1753-2018 LED Display Module Energy Efficiency Level

CN-STDBOOK, two levels

图书 3-9445 CAD skill level assessment outline

American Society for Testing and Materials (ASTM), two levels

ASTM E722-94(2002) Standard Practice for Characterizing Neutron Energy Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for Radiation-Hardness Testing of Electronics
ASTM E722-04e2 Standard Practice for Characterizing Neutron Energy Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for Radiation-Hardness Testing of Electronics
ASTM E722-09 Standard Practice for Characterizing Neutron Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for Radiation-Hardness Testing of Electronics
ASTM E1056-85(2007) Standard Practice for Installation and Service of Solar Domestic Water Heating Systems for One- and Two-Family Dwellings
ASTM E1056-85(1995)e1 Standard Practice for Installation and Service of Solar Domestic Water Heating Systems for One- and Two-Family Dwellings
ASTM E1056-85(2001) Standard Practice for Installation and Service of Solar Domestic Water Heating Systems for One- and Two-Family Dwellings
ASTM E1056-13(2021) Standard Practice for Installation and Service of Solar Domestic Water Heating Systems for One- and Two-Family Dwellings
ASTM E722-04 Standard Practice for Characterizing Neutron Energy Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for Radiation-Hardness Testing of Electronics
ASTM E722-04e1 Standard Practice for Characterizing Neutron Energy Fluence Spectra in Terms of an Equivalent Monoenergetic Neutron Fluence for Radiation-Hardness Testing of Electronics

Lithuanian Standards Office , two levels

LST EN ISO 9906:2012 Rotodynamic pumps - Hydraulic performance acceptance tests - Grades 1, 2 and 3 (ISO 9906:2012)
LST EN 15603-2008 Energy performance of buildings - Overall energy use and definition of energy ratings

GOSTR, two levels

GOST R 58708-2019 Gyms, sports and multipurpose halls. Two-part division curtains. Technical requirements

CEN - European Committee for Standardization, two levels

PREN 15203-2005 Energy performance of buildings - Assessment of energy use and definition of ratings
PD CEN/TS 17249-5:2019 Intelligent transport systems - eSafety - Part 5: eCall for UNECE Category L1 and L3 powered two-wheeled vehicles

Danish Standards Foundation, two levels

DS/EN 15603:2008 Energy performance of buildings - Overall energy use and definition of energy ratings

AENOR, two levels

UNE-EN 15603:2008 Energy performance of buildings - Overall energy use and definition of energy ratings

IN-BIS, two levels

IS 10486-1983

Professional Standard - Electricity, two levels

DL/T 2080-2020 Supercapacitors for power storage

European Committee for Standardization (CEN), two levels

PD CEN/TR 16705:2014 Perimeter protection - Performance classification methodology
EN 12207:1999 Windows and Doors - Air Permeability - Classification
EN ISO 7719:1997 Prevailing Torque Type All-Metal Hexagon Nuts, Style 1 - Property Classes 5,8 and 10 ISO 7719:1997
EN 79:1977 Methods of Testing Doors Behaviour of Door Leaves Placed Between Two Different Climates Superseded by EN 1121:2000
EN 79:1985 Methods of testing doors; behaviour of door leaves placed between two different climates
CEN/TS 17249-5:2022 Intelligent transport systems - eSafety - Part 5: eCall for UNECE category L1 and L3 powered two-wheeled vehicles
prEN 17249-5 Intelligent transport systems - eSafety - Part 5: eCall for UNECE category L1 and L3 powered two-wheeled vehicles
EN ISO 7042:1997 Prevailing Torque Type All-Metal Hexagon Nuts - Property Classes 5, 8, 10 and 12 ISO 7042:1997
EN 12154:1999 Curtain walling - Watertightness - Performance requirements and classification

Liaoning Provincial Standard of the People's Republic of China, two levels

DB21/T 3817-2023 Fruit tree production vocational skill level
DB21/T 3815-2023 Plant protection professional skill level
DB21/T 3816-2023 Edible fungus production vocational skill level

TH-TISI, two levels

TIS 2554-2012 Rotodynamic pumps.hydraulic performance acceptance tests.grade 1 and 2

Shanghai Provincial Standard of the People's Republic of China, two levels

DB31/ 523-2011 Allowable values of energy efficiency and energy efficiency grades for evaporative condensers
DB31/ 849-2014 Allowable values of energy efficiency and energy efficiency grades for jet cooling towers
DB31/ 414-2008 The minimum allowable values of energy efficiency、energy efficiency grades and evaluating values of energy conservation for cooling tower
DB31/ 706-2013 The minimum allowable values of the energy efficiency and energy efficiency grade for the fan coil unit

Association of German Mechanical Engineers, two levels

VDI 2169-2012 Functional checking and yield rating of solar thermal systems

Professional Standard - Agriculture, two levels

NY/T 2552-2014 Product specification for bioenergy cassava.Fresh cassava tuberous root
NY/T 2207-2012 Level evaluation of energy efficiency for wheeled trators

Gansu Provincial Standard of the People's Republic of China, two levels

DB62/T 2410-2013 Photovoltaic field solar energy classification

农业农村部, two levels

NY/T 2207-2019 Wheeled tractor energy efficiency rating evaluation

Jiangxi Provincial Standard of the People's Republic of China, two levels

DB36/ 652-2012 The norm of energy consumption per unit product of polysilicon

Shandong Provincial Standard of the People's Republic of China, two levels

DB37/T 3569-2019 Allowable values of energy efficiency and energy efficiency grades for green lighting LED lamps

国家能源局, two levels

NB/T 10463-2020 Energy efficiency limits and energy efficiency levels of variable frequency speed regulation equipment

AASHTO - American Association of State Highway and Transportation Officials, two levels

R 29-2008 Standard Practice for Grading or Verifying the Performance Grade (PG) of an Asphalt Binder
R 29-2014 Standard Practice for Grading or Verifying the Performance Grade (PG) of an Asphalt Binder

PL-PKN, two levels

PN M69900-03-1987 Welding Superior performance qualification tests for welders

FI-SFS, two levels

SFS 2677-1971

Cooling Technology Institute, two levels

CTI STD-201 RS-2013 Performance Rating of Evaporative Heat Rejection Equipment
CTI STD-201RS-2015 Performance Rating of Evaporative Heat Rejection Equipment