ANSI S1.4 : 1983
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
SPECIFICATION FOR SOUND LEVEL METERS
Available format(s)
Hardcopy , PDF
Superseded date
21-07-2014
Language(s)
English
Published date
01-01-2006
Publisher
Important note : Users cannot be edited or removed once added to your Multi user PDF.
0 INTRODUCTION
1 PURPOSE AND SCOPE
1.1 Purpose
1.2 Design Goal
1.3 Scope
1.4 Limitations
2 DEFINITIONS
2.1 Sound Pressure Level
2.2 Exponential-Time-Average Sound Pressure Level
2.3 Sound Level
2.4 Maximum Sound Level
2.5 Peak Sound Level
2.6 Slow Sound Level
2.7 Impulse Sound Level
2.8 Time Constant
2.9 Crest Factor
2.10 Indicator Range
2.11 Primary Indicator Range
2.12 Calibration Frequency
2.13 Calibration Sound Pressure Level
2.14 Calibration Range
2.15 Calibration Angle of Incidence
2.16 Relative Response Level
3 GENERAL CHARACTERISTICS
3.1 General
3.2 Accuracy
3.3 Omnidirectional Response
3.4 Frequency Weighting
3.5 Time-Averaging Characteristics
3.6 Tests of Complete Instrument
3.7 Electrical Test Adaptor
3.8 Peak Characteristics
3.9 Battery Check
3.10 Stability
4 DIRECTIONAL CHARACTERISTICS OF THE MICROPHONE AND
INSTRUMENT CASE
4.1 Omnidirectional Response
4.2 Calibration Angle and Directional Tolerances
5 FREQUENCY-WEIGHTING AND AMPLIFIER CHARACTERISTICS
5.1 Frequency-Weighting Characteristics and Tolerances
5.2 Weighting Networks
5.3 Level-Range-Control Tolerance Limits
5.4 Level Range Overlap
5.5 Crest Factor
5.6 Internal Noise
5.7 Signal Distortion
5.8 Overload Minimization
5.9 Nonlinear Distortion
6 EXPONENTIAL-TIME-AVERAGING CHARACTERISTICS
6.1 Exponential-Time-Average Sound Level
6.2 Fast and Slow Exponential-Time-Averaging
Characteristics
6.3 Impulse Exponential-Time-Averaging Characteristics
6.4 Steady State Response
6.5 Peak Characteristic
6.6 Indicator Range
6.7 Analog Indicator Scale
6.8 Digital Indicator
6.9 Linearity
6.10 Differential Level Linearity
7 SENSITIVITY TO VARIOUS ENVIRONMENTS
7.1 Atmospheric Pressure
7.2 Intense Sound Fields
7.3 Vibration
7.4 Magnetic and Electrostatic Fields
7.5 Air Temperature
7.6 Humidity
8 TESTS TO VERIFY THE BASIC CHARACTERISTICS OF THE SOUND
LEVEL METER
8.1 General
8.2 Calibration of Entire Instrument
8.3 Amplifier
8.4 Time-Averaging Characteristics
9 PROVISIONS FOR USE WITH AUXILIARY EQUIPMENT
9.1 Corrections for Accessories
9.2 Output Impedance
9.3 External Filters
10 NAMEPLATE DATA AND INSTRUCTION MANUAL
10.1 Nameplate Data
10.2 Instruction Manual Information
11 REFERENCES TO RELATED ANSI STANDARDS
12 REFERENCES TO RELATED INTERNATIONAL STANDARDS
APPENDIX A: EXPECTED TOTAL ALLOWABLE ERROR IN A MEASUREMENT
OF CONTINUOUS SOUND AS A RESULT OF ALLOWABLE
TOLERANCES ON SOUND LEVEL METER CHARACTERISTICS
APPENDIX B: APPROXIMATION OF THE RANDOM-INCIDENCE RELATIVE
RESPONSE LEVEL
APPENDIX C: RELATIVE RESPONSE OF FREQUENCY WEIGHTING
CHARACTERISTIC
APPENDIX D: THEORETICAL RESPONSE TO TONE BURSTS
APPENDIX E: TESTS OF ROOT MEAN SQUARE CHARACTERISTICS
FIGURES
TABLES
Defines the minimum requirements for 3 basic types of sound level meters, types 0, 1 and 2, along with performance requirements that become progressively less stringent, proceeding from type 0 to type 2. Each type requires three frequency weightings, A, B and C; and two exponential-time-averaging characteristics, fast and slow.
| Committee |
S1
|
| DevelopmentNote |
Supersedes CSA Z107.1. (04/2002)
|
| DocumentType |
Standard
|
| Pages |
27
|
| PublisherName |
Acoustical Society of America
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| ASTM E 597 : 1995 | Practice for Determining A Single-Number Rating of Airborne Sound Isolation for Use in Multiunit Building Specifications (Withdrawn 1999) |
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| CSA T531 : 0 | ACOUSTIC-TO-DIGITAL AND DIGITAL-TO-ACOUSTIC TRANSMISSION REQUIREMENTS FOR ISDN TERMINALS |
| ASTM E 1375 : 1990 : R2002 | Standard Test Method for Measuring the Interzone Attenuation of Furniture Panels Used as Acoustical Barriers (Withdrawn 2005) |
| ASTM F 3020 : 2016 | Performance Standard for Hand-Worn Metal Detectors Used in Safety and Security |
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| 10/30216184 DC : 0 | BS EN 62271-113 ED1 - HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 113: STANDARD PRACTICE FOR THE MEASUREMENT OF SOUND PRESSURE LEVELS OF OUTDOOR CIRCUIT BREAKERS |
| ANSI B71.5 : 1984 | OPERATOR-EAR SOUND PRESSURE LEVEL - MEASUREMENT AND RATING PROCEDURE FOR POWERED LAWN, GARDEN, AND SNOW REMOVAL EQUIPMENT |
| ANSI S1.43 : 1997 | SPECIFICATIONS FOR INTEGRATING-AVERAGING SOUND LEVEL METERS |
| BS IEC 62271-37-082 : 2012 | HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 37-082: STANDARD PRACTICE FOR THE MEASUREMENT OF SOUND PRESSURE LEVELS ON ALTERNATING CURRENT CIRCUIT-BREAKERS |
| IEEE DRAFT 449 : 1998 | DRAFT STANDARD FOR FERRORESONANT VOLTAGE REGULATORS |
| MIL-A-26846 Revision B:1984 | AIR CONDITIONER, A/M32C-4, TRAILER MOUNTED, VAPOR CYCLE, ELECTRIC, MOTOR DRIVEN |
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| ANSI S12.68 : 2007 | METHODS OF ESTIMATING EFFECTIVE A-WEIGHTED SOUND PRESSURE LEVELS WHEN HEARING PROTECTORS ARE WORN |
| TIA 718 : E2012 ADD 1 2013 | MINIMUM PERFORMANCE SPECIFICATION FOR THE ENHANCED VARIABLE RATE CODEC, SPEECH SERVICE OPTIONS 3, 68, 70, 73 AND 77 FOR WIDEBAND SPREAD SPECTRUM DIGITAL SYSTEMS |
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| ASTM E 2202 : 2002 : R2009 | Standard Practice for Measurement of Equipment-Generated Continuous Noise for Assessment of Health Hazards |
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| SAE J1161_201711 | Operational Sound Level Measurement Procedure for Snowmobiles |
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| ASTM E 1222 : 1990 : R2009 | Standard Test Method for Laboratory Measurement of the Insertion Loss of Pipe Lagging Systems |
| MIL-STD-1695 Base Document:1977 | ENVIRONMENTS, WORKING, MINIMUM STANDARDS FOR |
| MIL-DTL-38195 Revision D:2000 | Generator Set, Gas Turbine Engine, 60 KW 400 Hertz, General Purpose |
| ASTM E 1704 : 1995 : R2018 | Standard Guide for Specifying Acoustical Performance of Sound-Isolating Enclosures |
| SAE J1400_201707 | Laboratory Measurement of the Airborne Sound Barrier Performance of Flat Materials and Assemblies |
| IEEE 1031-2011 | IEEE Guide for the Functional Specification of Transmission Static Var Compensators |
| ASCE T&DI 21 13 : 2013 | AUTOMATED PEOPLE MOVER STANDARDS |
| IEEE DRAFT 389 : 1995 | RECOMMENDED PRACTICE FOR TESTING ELECTRONICS TRANSFORMERS AND INDUCTORS |
| ANSI/ASA S12.60 PART 2 : 2009(R2014) | ACOUSTICAL PERFORMANCE CRITERIA, DESIGN REQUIREMENTS, AND GUIDELINES FOR SCHOOLS - PART 2: RELOCATABLE CLASSROOM FACTORS |
| CSA Z168.3 : 1997 | ANAESTHETIC MACHINES FOR MEDICAL USE |
| ANSI S12.44 : 1997 : R2012 | METHODS FOR CALCULATION OF SOUND EMITTED BY MACHINERY AND EQUIPMENT AT WORKSTATIONS AND OTHER SPECIFIED POSITIONS FROM SOUND POWER LEVEL |
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| BS IEC/IEEE 62271-37-082:2012 | High-voltage switchgear and controlgear Standard practice for the measurement of sound pressure levels on alternating current circuit-breakers |
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| ANSI S3.1 : 1999 : R2003 | MAXIMUM PERMISSIBLE AMBIENT NOISE LEVELS FOR AUDIOMETRIC TEST ROOMS |
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| IEEE 656-1992 | IEEE Standard for the Measurement of Audible Noise from Overhead Transmission Lines |
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| ANSI S12.14 : 1992 : R2007 | METHODS FOR THE FIELD MEASUREMENT OF THE SOUND OUTPUT OF AUDIBLE PUBLIC WARNING DEVICES INSTALLED AT FIXED LOCATIONS OUTDOORS |
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| ASTM E 1222 : 1990 : R1996 : EDT 1 | Standard Test Method for Laboratory Measurement of the Insertion Loss of Pipe Lagging Systems |
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| ASCE 21 05 : 2006 | AUTOMATED PEOPLE MOVER STANDARDS - PART 1 |
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| ANSI S12.68 : 2007 : R2012 | METHODS OF ESTIMATING EFFECTIVE A-WEIGHTED SOUND PRESSURE LEVELS WHEN HEARING PROTECTORS ARE WORN |
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| MIL-STD-1472 Revision G:2012 | HUMAN ENGINEERING |
| MIL-S-23923 Revision D:1984 | SPRAYER AND DUSTER UNITS, INSECTICIDE, MIST DUST BLOWER TYPE, GED, 30 TO 100 GAL/H LIQUID, 30 TO 300 LB/H DUST (COMMERCIAL) |
| MIL-T-24632 Base Document:1984 | TELEPHONE SYSTEM, SOUND POWERED, SHIPS SERVICE AN/WTC-2()(V) |
| ANSI S3.1 : 1999 : R2013 | MAXIMUM PERMISSIBLE AMBIENT NOISE LEVELS FOR AUDIOMETRIC TEST ROOMS |
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| ANSI/ASA S12.65 : 2006(R2011) | RATING NOISE WITH RESPECT TO SPEECH INTERFERENCE |
| MIL-T-5422 Revision F:1971 | TESTING, ENVIRONMENTAL, AIRCRAFT ELECTRONIC EQUIPMENT |
| UFC 3-450-01 : 2003 | UNIFIED FACILITIES CRITERIA - NOISE AND VIBRATION CONTROL |
| IEEE 269-2010 REDLINE | IEEE Standard Methods for Measuring Transmission Performance of Analog and Digital Telephone Sets, Handsets, and Headsets |
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| ASTM E 1779 : 1996 : REV A : R2004 | Standard Guide for Preparing a Measurement Plan for Conducting Outdoor Sound Measurements (Withdrawn 2012) |
| SMPTE ST 222 : 1987 | TELEVISION - CONTROL AND REVIEW ROOMS - MONITOR SYSTEM ELECTROACOUSTIC RESPONSE |
| ASTM E 2964 : 2014 | Standard Test Method for Measurement of the Normalized Insertion Loss of Doors |
| ASTM E 1375 : 1990 : R1994 : EDT 1 | Standard Test Method for Measuring the Interzone Attenuation of Furniture Panels Used as Acoustical Barriers |
| ANSI S1.42 : 2001 : R2011 | DESIGN RESPONSE OF WEIGHTING NETWORKS FOR ACOUSTICAL MEASUREMENTS |
| ANSI/ASA S12.75 : 2012 | METHODS FOR THE MEASUREMENT OF NOISE EMISSIONS FROM HIGH PERFORMANCE MILITARY JET AIRCRAFT |
| SAE J366_201109 | Exterior Sound Level for Heavy Trucks and Buses |
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| IEEE 539-2005 | IEEE Standard Definitions of Terms Relating to Corona and Field Effects of Overhead Power Lines |
| IEEE C57.12.91-2011 | IEEE Standard Test Code for Dry-Type Distribution and Power Transformers |
| ANSI S12.7 : 1986 : R2006 | METHODS FOR MEASUREMENT OF IMPULSE NOISE |
| SAE J2825_201211 | Measurement of Exhaust Sound Pressure Levels of Stationary On-Highway Motorcycles |
| NMA MS20 : 1979 | MICROFILM READERS |
| FM 5600 : 2013 | CLEAN AGENT EXTINGUISHING SYSTEMS |
| ANSI/ASA S12.44 : 1997(R2017) | METHODS FOR CALCULATION OF SOUND EMITTED BY MACHINERY AND EQUIPMENT AT WORKSTATIONS AND OTHER SPECIFIED POSITIONS FROM SOUND POWER LEVEL |
| ANSI/ASA S12.19 :1996(R2016) | MEASUREMENT OF OCCUPATIONAL NOISE EXPOSURE |
| ANSI/ASA S12.14 : 1992(R2012) | METHODS FOR THE FIELD MEASUREMENT OF THE SOUND OUTPUT OF AUDIBLE PUBLIC WARNING DEVICES INSTALLED AT FIXED LOCATIONS OUTDOORS |
| ANSI S12.43 : 1997 : R2012 | METHODS FOR MEASUREMENT OF SOUND EMITTED BY MACHINERY AND EQUIPMENT AT WORKSTATIONS AND OTHER SPECIFIED POSITIONS |
| ANSI S1.42 : 2001(R2016) | DESIGN RESPONSE OF WEIGHTING NETWORKS FOR ACOUSTICAL MEASUREMENTS |
| ASCE 21 98 : 1999 | AUTOMATED PEOPLE MOVER STANDARDS - PART 2 |
| ASTM E 1574 : 1998 : R2014 | Standard Test Method for Measurement of Sound in Residential Spaces |
| ASTM E 1265 : 2004 | Standard Test Method for Measuring Insertion Loss of Pneumatic Exhaust Silencers |
| FM 1055 : 2016 | WATER MOTOR GONGS |
| ASTM E 596 : 1996 | Standard Test Method for Laboratory Measurement of Noise Reduction of Sound-Isolating Enclosures |
| ASTM E 1265 : 2004 : R2013 | Standard Test Method for Measuring Insertion Loss of Pneumatic Exhaust Silencers |
| ASTM E 2235 : 2004 | Standard Test Method for Determination of Decay Rates for Use in Sound Insulation Test Methods |
| ASTM E 1704 : 1995 | Standard Guide for Specifying Acoustical Performance of Sound-Isolating Enclosures |
| ANSI/ASA S12.58:2012(R2019) | SOUND POWER LEVEL DETERMINATION FOR SOURCES USING A SINGLE-SOURCE POSITION |
| ISO 13706:2011 | Petroleum, petrochemical and natural gas industries — Air-cooled heat exchangers |
| MIL-STD-1474 Revision E:2015 | NOISE LIMITS |
| EN ISO 13706:2011 | Petroleum, petrochemical and natural gas industries - Air-cooled heat exchangers (ISO 13706:2011) |
| IEEE DRAFT C57.12.90 : D5.1 98 | DRAFT STANDARD TEST CODE FOR LIQUID-IMMERSED DISTRIBUTION, POWER, AND REGULATING TRANSFORMERS |
| ANSI B11 TR5 : 2006 | SOUND LEVEL MEASUREMENT GUIDELINES |
| ASCE T&DI 21.2 : 2008 | AUTOMATED PEOPLE MOVER STANDARDS - PART 2 |
| IEEE C57.21 : 2008 | REQUIREMENTS, TERMINOLOGY, AND TEST CODE FOR SHUNT REACTORS RATED OVER 500 KVA |
| CSA Z107.54 : 1985 | PROCEDURE FOR MEASUREMENT OF SOUND AND VIBRATION DUE TO BLASTING OPERATIONS |
| ANSI S12.9 PT6 : 2008 | QUANTITIES AND PROCEDURES FOR DESCRIPTION AND MEASUREMENT OF ENVIRONMENTAL SOUND - PART 6: METHODS FOR ESTIMATION OF AWAKENINGS ASSOCIATED WITH OUTDOOR NOISE EVENTS HEARD IN HOMES |
| CSA Z107.56 : 2013:R2018 | MEASUREMENT OF NOISE EXPOSURE |
| ANSI S3.1 : 1999 : R2008 | MAXIMUM PERMISSIBLE AMBIENT NOISE LEVELS FOR AUDIOMETRIC TEST ROOMS |
| MIL-STD-1789 Revision A:1988 | SOUND PRESSURE LEVELS IN AIRCRAFT (REQUEST FOR ISSUE OTHER THAN DOD MUST BE SENT VIA ASD/ENES, WRIGHT-PATTERSON AFB OH 45433-6503 |
| MIL L 24223 : C | LOUDSPEAKER, SHIPBOARD ANNOUNCING SYSTEMS, GENERAL SPECIFICATION FOR |
| ANSI/ASA S12.15 : 1992(R2016) | FOR ACOUSTICS - PORTABLE ELECTRIC POWER TOOLS, STATIONARY AND FIXED ELECTRIC POWER TOOLS, AND GARDENING APPLIANCES - MEASUREMENT OF SOUND EMITTED |
| ASTM F 860 : 2007 | Standard Specification for Hot Water Sanitizing Commercial Dishwashing Machines, Multiple Tank, Rackless Conveyor Type |
| ANSI S1.9 : 1996 | INSTRUMENTS FOR THE MEASUREMENT OF SOUND INTENSITY |
| DOD-L-24681 Base Document:1987 | LOUDSPEAKER, CONTROL OF VOLUME, AUTOMATIC (METRIC) |
| ASTM E 2963 : 2016 : REDLINE | Standard Test Method for Laboratory Measurement of Acoustical Effectiveness of Ship Noise Treatments Laboratory Measurement of Acoustical Effectiveness for Marine Bulkhead and Deck Treatments |
| ANSI S12.9 PT3 : 2013 | QUANTITIES AND PROCEDURES FOR DESCRIPTION AND MEASUREMENT OF ENVIRONMENTAL SOUND - PART 3: SHORT-TERM MEASUREMENTS WITH AN OBSERVER PRESENT |
| ASTM F 860 : 2007 : R2013 | Standard Specification for Hot Water Sanitizing Commercial Dishwashing Machines, Multiple Tank, Rackless Conveyor Type |
| IEEE 85-1973 | IEEE Test Procedure for Airborne Sound Measurements on Rotating Electric Machinery |
| ASTM F 1202 : 2016 : REDLINE | Standard Specification for Washing Machines, Heat Sanitizing, Commercial, Pot, Pan, and Utensil Vertically Oscillating Arm Type |
| ASTM E 1376 : 1990 : R2002 | Standard Test Method for Measuring the Interzone Attenuation of Sound Reflected by Wall Finishes and Furniture Panels (Withdrawn 2005) |
| IEEE/ANSI C63.19-2011 REDLINE | American National Standard Methods of Measurement of Compatibility between Wireless Communications Devices and Hearing Aids |
| MIL-S-008806 Revision B:1970 | SOUND PRESSURE LEVELS IN AIRCRAFT, GENERAL SPECIFICATION FOR |
| MIL-A-83039 Revision B:1971 | AIR CONDITIONER A/M32C-10A AIR CYCLE FOR AIRCRAFT GROUND SUPPORT |
| C88-16 | Power transformers and reactors |
| IEEE C37.082-1982 | IEEE Standard Methods for the Measurement of Sound Pressure Levels of AC Power Circuit Breakers |
| ASTM E 1124 : 2010 : R2016 | Standard Test Method for Field Measurement of Sound Power Level by the Two-Surface Method |
| SAE J986_201311 | Sound Level for Passenger Cars and Light Trucks |
| ANSI S12.18 : 1994 : R2009 | PROCEDURES FOR OUTDOOR MEASUREMENT OF SOUND PRESSURE LEVEL |
| ANSI/ASA S1.42 : 2001(R2016) | DESIGN RESPONSE OF WEIGHTING NETWORKS FOR ACOUSTICAL MEASUREMENTS |
| ANSI/ASA S3/SC1.100-2014 | METHODS TO DEFINE AND MEASURE THE RESIDUAL SOUND IN PROTECTED NATURAL AND QUIET RESIDENTIAL AREAS |
| ANSI/ASA S1.13 ED 5: 2005(R2010) | MEASUREMENT OF SOUND PRESSURE LEVELS IN AIR |
| ANSI/ASA S12.8 : 1998(R2013) | METHODS FOR DETERMINING THE INSERTION LOSS OF OUTDOOR NOISE BARRIERS |
| ANSI S1.11 : 2014 | SPECIFICATION FOR OCTAVE-BAND AND FRACTIONAL-OCTAVE-BAND ANALOG AND DIGITAL FILTERS |
| ANSI S12.44 : 1997 : R2007 | METHODS FOR CALCULATION OF SOUND EMITTED BY MACHINERY AND EQUIPMENT AT WORKSTATIONS AND OTHER SPECIFIED POSITIONS FROM SOUND POWER LEVEL |
| ANSI/ASA S12.43 : 1997 (R2017) | METHODS FOR MEASUREMENT OF SOUND EMITTED BY MACHINERY AND EQUIPMENT AT WORKSTATIONS AND OTHER SPECIFIED POSITIONS |
| ASTM E 1686 : 2016 : REDLINE | Standard Guide for Applying Environmental Noise Measurement Methods and Criteria |
| ASHRAE 151 : 2010 | PRACTICES FOR MEASURING, TESTING, ADJUSTING, AND BALANCING SHIPBOARD HVAC&R SYSTEMS |
| ANSI S3.44 : 2016 | DETERMINATION OF OCCUPATIONAL NOISE EXPOSURE AND ESTIMATION OF NOISE-INDUCED HEARING IMPAIRMENT |
| SAE J1446_198905 | ON-MACHINE ALARM TEST AND EVALUATION PROCEDURE FOR CONSTRUCTION AND GENERAL PURPOSE INDUSTRIAL MACHINERY |
| ASTM E 1130 : 2016 : REDLINE | Standard Test Method for Objective Measurement of Speech Privacy in Open Plan Spaces Using Articulation Index |
| ASTM F 2643 : 2015 : REDLINE | Standard Specification for Powered Pot, Pan and Utensil Washing Sinks |
| ASTM E 1704 : 1995 : R2010 | Standard Guide for Specifying Acoustical Performance of Sound-Isolating Enclosures |
| ASTM F 3278 : 2017 | Standard Performance Specification for Hand-Held Metal Detectors Used in Safety and Security |
| BS EN ISO 13706:2011 | Petroleum, petrochemical and natural gas industries. Aircooled heat exchangers |
| ISA 75.07 : 1997 | LABORATORY MEASUREMENT OF AERODYNAMIC NOISE GENERATED BY CONTROL VALVES |
| SAE J1470_202308 | Measurement of Noise Emitted by Accelerating Highway Vehicles |
| AHRI 275 : 1997 | APPLICATION OF OUTDOOR UNITARY EQUIPMENT A-WEIGHTED SOUND POWER RATINGS |
| OPEI B175.3 : 2013 | OUTDOOR POWER EQUIPMENT - INTERNAL COMBUSTION ENGINE-POWERED HAND-HELD GRASS TRIMMERS AND BRUSHCUTTERS - SAFETY AND ENVIRONMENTAL REQUIREMENTS |
| ASME PTC36 : 2004 : R2013 | PERFORMANCE TEST CODES - MEASUREMENT OF INDUSTRIAL SOUND |
| ASME PTC36 : 2004 | PERFORMANCE TEST CODES - MEASUREMENT OF INDUSTRIAL SOUND |
| ANSI S1.11 : 2014 | SPECIFICATION FOR OCTAVE-BAND AND FRACTIONAL-OCTAVE-BAND ANALOG AND DIGITAL FILTERS |
| ISO 266:1997 | Acoustics — Preferred frequencies |
| ANSI/ASA S1.6 : 2016 | PREFERRED FREQUENCIES AND FILTER BAND CENTER FREQUENCIES FOR ACOUSTICAL MEASUREMENTS |
| ANSI S1.10 : 66(R2001) | AMERICAN NATIONAL STANDARD METHOD FOR THE CALIBRATION OF MICROPHONES |
| IEC 60651:1979+AMD1:1993+AMD2:2000 CSV | Sound level meters |
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