Particle size analyzer parameters

Particle size analyzer parameters, Total:219 items.

The international standard classification for "Particle size analyzer parameters" includes: Measuring instruments , Particle size analysis. sieving , Measurement of electrical and magnetic quantities , Metrology and measurement in general , Measurement of fluid flow , Ventilation and air-conditioning systems , Properties of surfaces , Lathes , Optical measuring instruments , Chemical analysis of metals , Equipment for petroleum and natural gas industries in general , Exploratory and extraction equipment , Optics and optical measurements , Geology. Meteorology. Hydrology , Medical Sciences and health care facilities in general , Seismic and vibration protection .

The Chinese standard classification for "Particle size analyzer parameters" includes: Physical property analyzer , Sieving, Sieve Plate and Sieve Screen , Digital display instrument , Mathematics , Display recording instrument , Heat supply and heating engineering , Basic standards and general methods , Lathe , Optical metrological instrument , Flow capacity and material level instrument , Optical instrument in general , Drug testing instrument , Petroleum drilling & production equipment and instrument , Optical Measurement , Oceanographic instrumentation , Medical science , Meteorology , Agricultural products and feed processing machinery , Hydrology and water conservancy instrument , Telescope, geodetic survey and aerial survey instrumentation , Engineering seismic resistance .

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

GB/T13970-2008 Basic parameter terms of digital instruments
GB/T 16742.1-1997 Function represention of particle size distribution Power-function
GB/T 44223-2024 Nanotechnologies—Technical requirements for dynamic light scattering particle size analyzers
GB/T 3720-1988 Optical length measuring instruments--Basic parameters
GB/T 1314-1991 Basic parameters for flow measuring instruments
GB/T 41949-2022 Particle─Laser particle size analyser─Technical requirements
GB/T 42660-2023 Aerosol particle number concentration―Calibration of condensation particle counters
GB/T 6167.2-1985 Methods for testing the performance of dust particle counter; Particle concentration
GB/T 13970-2008 Basic parameter terms of digital instruments
GB/T 1031-1995 Surface rouglness--Parameters and their values
GB/T 13970-2008 Basic parameter terms of digital instruments
GB/T 13970-1992 Basic parameter series of digital instruments
GB/T 16742-2008 Function representation of particle size distribution - Power-function

Professional Standard - Machinery

JB/T 9346-1999 Basic parameters for spectrophotometer
JB/T 9399-2010 Main parameter series for the X-ray analytical instrumentation
JB/T 9399-1999 Main parameter series for the X-ray analytical instrumentation
JB/T 6266-1992 Optical Comparator for Angle Measurement - Basic Parameter
JB/T 8231-1999 The basic parameters of the plane-gratings spectrographs
JB/T 5161.1-1999 Pellet mill - Types and basic parameters
JB/T 4136.1-1999 Meter Lathe Parameters
JB/T 3853.1-1999 Equal Dividing Head Parameters
JB/T 9330-1999 The basic parameter for diaphragm plate of optical instrument
JB/T 7440-1994 Die-casting technique parameter tester
JB/T 10564-2006 Basic parameters for flow measuring instruments
JB/T 10574-2006 Optical length measuring instruments -- Basic parameters
JB/T 20156-2013 Particle counter
JB/T 10574-2013 Optical Length Measuring Instruments - Basic Parameters

Professional Standard - Petroleum

SY/T 5377-2013 Specification for Drilling Fluid Testing Instruments
SY/T 6739-2008 Technical specifications of drilling parameter monitor
SY/T 5097-2006 Technical specifications of multi-parameter monitoring instrument of drilling/servicing rig
SY 6146-1995 Drilling parameter instrumentation driller operation combination
SY 5097-2006 Technical conditions of multi-parameter instrument for drilling (workover) well
SY 5377-2013 Technical conditions of drilling fluid parameter testing equipment
SY/T 6542-2003 Core particle sizer
SY/T 6971-2013 Multi-parameter Drilling Instrumentation Testing Equipment
SY/T 6146-1995 Parameter meter for drilling - Compund table for driller operation
SY/T 5097-1996 Technical conditions of multi-parameter instrument for drilling (workover) well

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

JJG(电子) 31010-2007 Verification Regulations for Precision Analyzer of Semiconductor Parameters
JJG(地质) 1019-1990 SKC-2000 Type Light Transmission Particle Size Distribution Tester Verification Regulations
JJG(机械) 9-1990 Verification rules for comprehensive parameter measuring instrument of washing machine
JJG(铁道) 150-2009 Measuring instrument for contact wire geometric parameter
JJG(民航) 035-1996 Verification Regulation of ИВП Ouput Parameter Test Set
JJG 167-2020 Laser particle size distribution analyzer
JJG(机械) 7-1990 Verification rules for single particle compressive strength tester
JJG 902-1995 Partical Size Meter by Photosedimentation
JJG 1104-2015 Dynamic Light Scattering Particle Size Analyzers

Group Standards of the People's Republic of China

T/GDC 172-2022 Lifewave health parameter detector
T/ZJDJ 004-2022 Digital display temperature controller
T/SXBX 001-2023 Production logging four-parameter combination logging tool
T/ZPP 045-2023 Multi-parameter online water quality monitor
T/SSM 5-2022 Calibration specifications for particle number concentration measuring instruments used in motor vehicle emissions
T/ZJDJ 005-2022 Digital display electric parameter measuring instrument
T/QGCML 330-2022 Calibration procedure for mine gas outburst parameter instrument
T/SXICS 002-2023 calibration specification for multiparameter water quality testers
T/CCAS 006-2018 Validation and comprehensive evaluation specification of laser particle size analyzer (wet method)
T/WJZZ 009-2021 Whole measurement calibration method of particle number concentration measuring instrument
T/SDAS 447-2022 Detection method of main parameters of mask particle filtration efficiency detector
T/CEC 426.3-2022 General Technical Conditions for Electric Power Oil Testing Instruments Part 3: Particle Size Meter
T/QGCML 935-2023 Portable High Sensitivity Multi-parameter Gas Detector
T/SXICS 006-2024 Calibration specification for multiparameter analyzers of water quality
T/JAR 002/1-2021 Digital temperature and humidity recorder

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

JJF(机械) 018-2008 Calibration specification for comprehensive parameter tester of washing machine
JJF 2009-2022 Calibration Specification for Semiconductor Parameters Precision Analyzers
JJF 1211-2008 Calibration Specification for Static Light Scattering Particle Size Analyzers
JJF 2143-2024 Calibration Specification for Temperature Parameters of Microwave Digestion Instruments
JJF 1491-2014 Calibration Specification for Digital AC Electrical Parameters Meter
JJF(机械) 1075-2021 Calibration specification for single particle compressive strength tester
JJF 1470-2014 Calibration Specification for Multiparameter Physiological Simulators
JJF(机械)1075-2021 Calibration specifications for single particle compressive strength tester

Professional Standard - Ocean

HY/T 271-2018 Testing methods of marine multi-parameter water-quality monitoring instrument
HY/T 126-2009 Multiparameter water quality monitor

能源部

SY/T 5097-1991 Drilling multi-parameter instrument

Professional Standard - Hydroelectric Power

SD 313-1989 Method for measuring particle number and size distribution in oil (automatic particle counter method)

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

GJB 2740-1996 Pulse laser rangefinder parameter series
GJB 8683.6-2015 Test methods for physical parameters of pyrotechnics Part 6: Particle size determination and screening method
GJB 8860-2016 Calibration procedures for multi-parameter monitors

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

GJB 5382.6-2005 Test methods of physical parameter for pyrotechnic. Part 6: Determination of particle size. Sieve method

Professional Standard - Railway

TB/T 3227-2010 Measuring instruments for contact wire geometry

卫生健康委员会

WS/T 659-2019 Safety management for multi-parameter patient monitor

工业和信息化部/国家能源局

JB/T 13046-2017 Parameters measuring instrument for oil pipe screw thread
JB/T 4136.1-2017 Instrument lathes-Part 1:Types and parameters

中国气象局

QX/T 509-2019 Specifications for GRIMM 180 particle concentration monitor calibration

Hebei Provincial Standard of the People's Republic of China

DB13/T 5865-2023 Wafer surface particle size inspection instrument calibration method

工业和信息化部

JBT13738-2019 Portable multi-parameter water quality analyzer
JB/T 13738-2019 Portable multiparameter analyzer for water quality

Professional Standard - Construction Industry

JG/T 329-2011 Concrete thermal parameters tester

Professional Standard - Military and Civilian Products

WJ 2098-1992 Pulse laser range finder parameter series
WJ 2276-1995 Verification rules for activated carbon and impregnated carbon particle size analyzer

Professional Standard - Agriculture

GB 10828-1989 Pellet mill--Types and basic parameters

能源

NB/T 51036-2015 Portable multi parameter testing instrument for coal mine water

国家能源局

NB/T 10169-2019 Operational parameter tester for mine hoisters

未注明发布机构

JIS R 7651:2024 Measurement of lattice parameters and crystallite sizes of carbon materials

Professional Standard - Water Conservancy

SL 120-2012 Calibrating Methods of Sonic Parameter Measuring Apparatus
SL 136-2017 SL/T 136-2017 (Calibration method for apparatus testing thermal parameters of concrete)
SL 120-1995 Calibrating Methods of Sonic Parameter Measuring Apparatus
SL 144.2-2008 calibration methods of water environmental detecting instrument and equipment calibration method of multi-parameter water quality sonde

Professional Standard - Surveying and Mapping

CH 8006-1991 The series of analogue plotter and its basic parameters

邯郸市

DB1304/T 348-2020 Detection method of flow parameters of coal mine pipeline gas drainage comprehensive parameter measuring instrument

Henan Provincial Standard of the People's Republic of China

DB41/T 1431-2017 Particle Meter

Professional Standard - Aerospace

QJ 2724.5-1995 Automatic particle counter counting method for determination of solid particle pollution in working fluid for aerospace hydraulic pollution control

Professional Standard - Electron

SJ 20234-1993 Verification regulation of model HP4145A semiconductor parameter analyzer

水利部

SL/T 136-2017 Calibration method of concrete thermal parameter measuring instrument

Jilin Provincial Standard of the People's Republic of China

DB22/T 2032-2014 Specifications for quality control of medical multi-parameter monitors

Professional Standard - Earthquake

DB/T 10-2001 Digital strong motion accelerograph
DB/T 10-2016 Digital Strong Vibration Accelerometer

RU-GOST R

GOST 9847-1979 Optical instruments for surface roughness parameters measuring. Basis parameters and types
GOST 20271.1-1991 Microwave electronic devices. Methods of measuring electrical parameters
GOST 19300-1986 Instruments for measurement of surface roughness by the profile method. Contact profilographs and profilometers. Types and main parameters
GOST 10387-1981 Measuring machines for checking fine pitch spur gears. Types. Basic dimensions, standards of accuracy
GOST 23012-1978 Devices multiposition counting indicated and sivitching. Basic parameters
GOST 26114-1984 Non-destructive testing. Flow detection equipment on the basic of particle accelerators. Main parameters and general technical requirements
GOST 5368-1981 Cylindrical gear checking machines. Types. Basic parameters. Accuracy limits
GOST 11357-1989 Fine-modul bevel gear testers. Types and main specifications. Accuracy norms
GOST 9459-1987 Gauges for bevel gears and gear pairs. Types. Basic parameters. Accuracy limits
GOST 34236-2017 Light and middle distillate fuels. Determination of sizing and counting particles by automatic particle counter
GOST R 8.698-2010 State system for ensuring the uniformity of measurements. Dimensional parameters of nanoparticles and thin films. Method for measurement by means of a small angle X-ray scattering diffractometer
GOST 13586.2-1981 Grain. Methods for determination of foreign grain and specially counted foreigen matter, small grains and grain size
GOST R 57395-2017 Angle-to-digit converters. General requirements for measuring instruments, testing and monitoring of input and output parameters
GOST 25935-1983 Dosimetric instruments. Methods of measuring main parameters
GOST 25678-1983 Instruments for measurements of pulse laser energy. Types. Basic parameters. Methods for measurement of basic parameters
GOST 26312.4-1984 Groats. Methods for determination of grain size, admixture content and sound kernels
GOST 7016-2013 Products of wood and wood materials. Roughness parameters
GOST 25851-1983 Radiometric instruments. Methods of main parameters measurement
GOST 22091.0-1984 X-ray devices. General requirements for measuring of parameters

AT-ON

ONORM M 6773-2001 Surface texture of tooth flanks - Roughness parameters, determination of roughness parameters using stylus instruments, measuring instruments and measuring conditions

PL-PKN

PN M47185 ArkusZ2-1972 Painting aggregats asic parameters

Association Francaise de Normalisation

NF X11-635:1985 Size analysis-Representation of particle size distributions - Reference models
NF X11-682:1984 Analysis of gravity-precipitated particles in liquids. Light-shielding method. Light transmission particle size analyzer
NF X15-110:1994 Air humidity measurement - Hygrometric parameters

SCC

VDI 3867 BLATT 4-2011 Measuring particles in the outside air — Determination of particle number concentration and number size distribution of aerosols — Optical aerosol spectrometer
VDI 3867 BLATT 3-2012 Measuring particles in the outside air — Determination of particle number concentration and number size distribution of aerosols — Electrical mobility spectrometer
VDI 3867 BLATT 3-2012 Measuring particles in the outside air — Determination of particle number concentration and number size distribution of aerosols — Electrical mobility spectrometer
VDI 3867 BLATT 5-2013 Measuring particles in the outside air — Determination of particle number concentration and number size distribution of aerosols — Time of flight spectrometer
VDI 3867 BLATT 4-2011 Measuring particles in the outside air — Determination of particle number concentration and number size distribution of aerosols — Optical aerosol spectrometer
VDI/VDE 2617 BLATT 2.2-2018 Accuracy of coordinate measuring machines — Parameters and their testing — Form measurement with coordinate measuring machines
DANSK DS/ISO 27891:2015 Aerosol particle number concentration - Calibration of condensation particle counters
VDI 3867 BLATT 5-2013 Measuring particles in the outside air — Determination of particle number concentration and number size distribution of aerosols — Time of flight spectrometer
AWWA QTC97093 Use of Particle Size Standards for Validation of Particle Counters
BS PD ISO/TS 20758:2019 Traditional Chinese medicine. Abdominal physiological parameter detectors
AWWA ACE58300 Optimization of Process Parameters for Arsenic Treatment with Granular Ferric Hydroxide
NS-EN ISO 14577-3:2002 Metallic materials — Instrumented indentation test for hardness and materials parameters — Part 3: Calibration of reference blocks (ISO 14577-3:2002)
12/30248590 DC BS ISO 14577-3. Metallic materials. Instrumented indentation test for hardness and materials parameters. Part 3. Calibration of reference blocks
DANSK DS/ISO 16000-42:2023 Indoor air – Part 42: Measurement of the particle number concentration by condensation particle counters
NS-EN ISO 14577-3:2015 Metallic materials — Instrumented indentation test for hardness and materials parameters — Part 3: Calibration of reference blocks (ISO 14577-3:2015)

VDI - Verein Deutscher Ingenieure

VDI 3867 Blatt 3-2009 Measurement of particles in ambient air - Determination of the particle number concentration and number size distribution of aerosols - Electrical mobility spectrometer
VDI/VDE 2617 Blatt 2.2-1999 Accuracy of coordinate measuring machines - Parameters and their reverification - Form measurement
VDI 3867 Blatt 5-2010 Measurement of particles in ambient air - Determination of particle number concentration and particle size distribution of aerosols - Time-of-flight spectrometer
VDI/VDE 2617 BLATT 8-2018 Accuracy of coordinate measuring machines - Characteristics and their testing - Test process suitability of measurements with coordinate measuring machines
VDI 3867 Blatt 4-2008 Measurement of particles in ambient air - Methods for characterizing test aerosols - Determination of the particle number concentration and particle size distribution - Optical aerosols spectrometer
VDI/VDE 2617 BLATT 8-2017 Accuracy of coordinate measuring machines - Characteristics and their testing - Test suitability of measurements with coordinate measuring machines
VDI/VDE 2617 BLATT 8-2013 Accuracy of coordinate measuring machines - Characteristics and their checking - Test suitability of measurements with coordinate measuring machines

GSO

GSO ISO 10260:2013 Water quality -- Measurement of parameters -- Spectrometric determination of the chlorophyll-a concentration
OS GSO ISO 27891:2016 Aerosol particle number concentration -- Calibration of condensation particle counters
GSO ISO 27891:2016 Aerosol particle number concentration -- Calibration of condensation particle counters
BH GSO ISO 14577-3:2015 Metallic materials -- Instrumented indentation test for hardness and materials parameters -- Part 3: Calibration of reference blocks
ISO 19430:2024 Determination of particle size distribution and number concentration by particle tracking analysis (PTA)
OS GSO ISO 14577-3:2014 Metallic materials -- Instrumented indentation test for hardness and materials parameters -- Part 3: Calibration of reference blocks

Japanese Industrial Standards Committee (JISC)

JIS Z 8900-1:2008 Standards particles -- Part 1: Reference particles for calibrating particle size measurements apparatus
JIS T 5505-3:2013 Dental rotary instruments .Diamond instruments.Part 3: Grit sizes, designation and colour code
JIS T 5505-3:2001 Dental rotary instruments -- Diamond instruments -- Part 3: Grit sizes, designation and colour code

CZ-CSN

CSN 25 2300-1972 Classification of instruments and devices or measurement of the geometrical arameters of surface finish
CSN 25 7698-1976 Grain testers
CSN 35 6535-1983 Electronic measuring instruments. Succesive process spectra analyzers. Nomenclature of pnrameters
CSN 01 4450-1980 Surface roughness. Basic pnrameters, numerical values
CSN 01 4451-1980 Surface roughness. Basic pnrameters, numerical values

British Standards Institution (BSI)

PD ISO/TS 4807:2022 Reference materials for particle size measurement. Specification of requirements
PD ISO/TS 20758:2019 Traditional Chinese medicine. Abdominal physiological parameter detectors
BS EN ISO 14577-3:2002 Metallic materials. Instrumented indentation test for hardness and materials parameters. Calibration of reference blocks
BS ISO 27891:2015 Aerosol particle number concentration. Calibration of condensation particle counters
BS EN ISO 14577-3:2015 Metallic materials. Instrumented indentation test for hardness and materials parameters. Calibration of reference blocks
BS ISO 19430:2024 Determination of particle size distribution and number concentration by particle tracking analysis (PTA)
BS ISO 16000-42:2023 Indoor air - Measurement of the particle number concentration by condensation particle counters
BS ISO 21501-1:2009 Determination of particle size distribution - Single particle light interaction methods - Light scattering aerosol spectrometer
BS ISO 21501-3:2007 Determination of particle size distribution. Single particle light interaction methods. Light extinction liquid-borne particle counter
BS ISO 16844-7:2022 Road vehicles. Tachograph systems. Parameters
BS ISO 21501-2:2007 Determination of particle size distribution. Single particle light interaction methods. Light scattering liquid-borne particle counter
BS ISO 14577-5:2022 Metallic materials. Instrumented indentation test for hardness and materials parameters - Linear elastic dynamic instrumented indentation testing (DIIT)
BS EN ISO 14577-1:2015 Metallic materials. Instrumented indentation test for hardness and materials parameters. Test method
BS EN ISO 14577-1:2002 Metallic materials. Instrumented indentation test for hardness and materials parameters. Test method
BS EN ISO 7711-3:2004 Dentistry. Diamond rotary instruments. Grit sizes, designation and colour code

American Society for Testing and Materials (ASTM)

ASTM D8049-17 Standard Test Method for Determining Concentration, Count, and Size Distribution of Solid Particles and Water in Light and Middle Distillate Fuels by Direct Imaging Particle Analyzer
ASTM D8049-16 Standard Test Method for Determining Concentration, Count, and Size Distribution of Solid Particles and Water in Light and Middle Distillate Fuels by Direct Imaging Particle Analyzer
ASTM E2776-18 Standard Guide for Correlation of Results of Solid Particle Size Measurement Instruments
ASTM E2776-20 Standard Guide for Correlation of Results of Solid Particle Size Measurement Instruments

YU-JUS

JUS K.F0.005-1989 Gralns of fused alumiuium oxide and silicon carbide for boodod abrasivc products. Particle si?e measurement of microgrfts by Eppendorf - photosedimentometer
JUS M.A1.032-1980 Classification of imtruments and devices for measurement and evaluation of the geometrical parameters of surface finish

International Organization for Standardization (ISO)

ISO 27891:2015 Aerosol particle number concentration - Calibration of condensation particle counters
ISO/TS 20758:2019 Traditional Chinese medicine — Abdominal physiological parameter detectors
ISO 1878:1974 Title missing - Legacy paper document
ISO 1878:1983 Classification of instruments and devices for measurement and evaluation of the geometrical parameters of surface finish
ISO/CD 14577-3:2023 Metallic materials — Instrumented indentation test for hardness and materials parameters — Part 3: Calibration of reference blocks
ISO/FDIS 16000-42 Indoor air — Part 42: Measurement of the particle number concentration by condensation particle counters
ISO 16000-42:2023 Indoor air — Part 42: Measurement of the particle number concentration by condensation particle counters
ISO 15970:2008 Natural gas - Measurement of properties - Volumetric properties: density, pressure, temperature and compression factor
ISO 14577-3:2015 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 3: Calibration of reference blocks
ISO 14577-3:2002 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 3: Calibration of reference blocks

HU-MSZT

MSZ 4722-1984 Surface roughness parameters and main parameter values

Korean Agency for Technology and Standards (KATS)

KS B ISO 14577-3-2017 Metallic materials－Instrumented indentation test for hardness and materials parameters－Part 3：Calibration of reference blocks
KS I ISO 15970:2010 Natural gas-Measurement of properties-Volumetric properties: density, pressure, temperature and compression factor
KS B ISO 14577-3:2004 Metallic materials-Instrumented indentation test for hardness and materials parameters-Part 3:Calibration of reference blocks
KS B ISO 14577-3:2017 Metallic materials－Instrumented indentation test for hardness and materials parameters－Part 3：Calibration of reference blocks

North Atlantic Treaty Organization Standards Agency

STANAG 3713-2008 DETERMINATION OF PARTICULATE MATTER IN AEROSPACE HYDRAULIC FLUIDS USING A PARTICLE SIZE ANALYSER

Danish Standards Foundation

DS/ISO 1878:1989 Classification of instruments and devices for measurement and evaluation of the geometrical parameters of surface finish

TR-TSE

TS 2216-1976 CLASSIFICAITON OF INSTRUMENTS AND DEVICES FOR MEASUREMENT AND EVALUATION OF THE GEOMETRICAL PARAMETERS OF SURFACE FINISH

Society of Automotive Engineers (SAE)

SAE AIR898-1983 Liquid Automatic Particle Counters & Contamination Monitors
SAE J3349-2021 NOx Tracking Parameter Accuracy
SAE J3349-2022 NOx Tracking Parameter Accuracy

Spanish Association for Standardization (UNE)

UNE-EN ISO 14577-3:2016 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 3: Calibration of reference blocks (ISO 14577-3:2015)
UNE-EN ISO 14577-3:2005 Metallic materials - Instrumented indentation test for hardness and materials parameters. Part 3: Calibration of reference blocks (ISO 14577-3:2002)
UNE 82302:1992 CLASSIFICATION OF INSTRUMENTS AND DEVICES FOR MEASUREMENT AND EVALUATION OF THE GEOMETRICAL PARAMETERS OF SURFACE FINISH.

German Institute for Standardization

DIN EN ISO 14577-3:2015-11 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 3: Calibration of reference blocks (ISO 14577-3:2015); German version EN ISO 14577-3:2015
DIN ISO 16000-42:2022-01 Indoor air - Part 42: Measurement of the particle number concentration by Condensation Particle Counters (ISO/DIS 16000-42:2021); Text in German and English / Note: Date of issue 2021-12-10
DIN EN ISO 14577-3:2003 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 3: Calibration of reference blocks (ISO 14577-3:2002); German version EN ISO 14557-3:2002

NATO - North Atlantic Treaty Organization

STANAG 3713-1990 Determination of Particulate Matter in Aerospace Hydraulic Fluids Using a Particle Size Analyser (ED 3 AMD 1; To obtain please contact your national Defense Standardization Office or the NATO Standardization Office website: http:/ so.nato.int so@ Phone: +