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NPFC - A-A-53127 - PLUGS, EAR (HEARING PROTECTION, CYLINDRICAL) Organization: NPFC
ASA 1 - METHOD FOR THE MEASUREMENT OF REAL-EAR PROTECTION Organization: ASA
NPFC - A-A-54891 - PLUG, EAR, HEARING PROTECTION, TRIPLE FLANGE Organization: NPFC
Date: 1993-07-16
Description: This Commercial Item Description covers the requirements for triple flange ear plugs suitable for attenuating high intensity noises.
DOD - MIL-P-36714B CANC NOTICE 1 - PLUG, EAR, NOISE PROTECTION, TRIPLE FLANGE Organization: DOD
Date: 1993-09-01
DOD - MIL-P-36714B - PLUG, EAR, NOISE PROTECTION, TRIPLE FLANGE Organization: DOD
Date: 1976-10-06
NPFC - MIL-P-37055 - PLUG, EAR, HEARING PROTECTION, CYLINDRICAL, SILICONE BASE Organization: NPFC
DOD - MIL-P-37055 CANC NOTICE 2 - PLUG, EAR, HEARING PROTECTION, CYLINDRICAL SILICONE BASE Organization: DOD
Date: 1993-09-01
BIS - IS 6229 - METHOD FOR MEASUREMENT OF REAL-EAR PROTECTION OF HEARING PROTECTORS AND PHYSICAL ATTENUATION OF EARMUFFS Organization: BIS
Date: 1980-01-01
BIS - IS 8520 - GUIDE FOR SELECTION OF INDUSTRIAL SAFETY EQUIPMENT FOR EYE, FACE AND EAR PROTECTION Organization: BIS
Date: 1977-01-01
ASA - ANSI/ASA S3.19 - AMERICAN NATIONAL STANDARD METHOD FOR MEASUREMENT OF REAL-EAR PROTECTION OF HEARING PROTECTORS AND PHYSICAL ATTENUATION OF EAR MUFFS Organization: ASA
Date: 1974-08-14
NPFC - A-A-54878 - PLUG, EAR, HEARING PROTECTION, UNIVERSAL SIZE, VINYL FOAM Organization: NPFC
NPFC - MIL-P-37407 - PLUG, EAR, HEARING PROTECTION, CYLINDRICAL, UNIVERSAL SIZE, VINYL FOAM Organization: NPFC
NPFC - MIL-P-37564 - PLUGS, EAR, HEARING PROTECTION, UNIVERSAL SIZE, WITH HEADBAND Organization: NPFC
NPFC - A-A-54890 - PLUG, EAR, HEARING PROTECTION, UNIVERSAL SIZE, WITH HEADBAND Organization: NPFC
ASA - ANSI/ASA S12.42 - AMERICAN NATIONAL STANDARD METHODS FOR THE MEASUREMENT OF INSERTION LOSS OF HEARING PROTECTION DEVICES IN CONTINUOUS OR IMPULSIVE NOISE USING MICROPHONE-IN-REAL-EAR OR ACOUSTIC TEST FIXTURE PROCEDURES Organization: ASA
Date: 2010-01-01
Description: This standard provides methods for the measurement of the insertion loss of hearing protection devices in specified continuous and impulsive noise environments. The microphone-in-real-ear (MIRE) method utilizes human test subjects and may be used for hearing protectors that enclose the ears and make supra-aural or circumaural contact with the head, whereas the acoustical test fixture (ATF) method employs an inanimate fixture and can be used for any hearing protection device.
ASA 116 - MICROPHONE-IN-REAL-EAR AND ACOUSTIC TEST FIXTURE METHODS FOR THE MEASUREMENT OF INSERTION LOSS OF CIRCUMAURAL HEARING PROTECTION DEVICES Organization: ASA
BSI - BS 6344-2 - INDUSTRIAL HEARING PROTECTORS PART 2: EAR PLUGS Organization: BSI
Date: 1988-09-30
Description: Requirements for materials, construction, assumed protection, sizing and marking and the provision of user instructions for ear plugs, excepting those ear plugs incorporating a semi-rigid interconnection, a communication facility or those in which the acoustic performance is claimed to be dependant upon amplitude.
ASA - ANSI/ASA S12.6 - AMERICAN NATIONAL STANDARD METHODS FOR MEASURING THE REAL-EAR ATTENUATION OF HEARING PROTECTORS Organization: ASA
Date: 2016-06-16
Description: The methods consist of psychophysical tests conducted on groups of human subjects to determine real-ear attenuation at threshold. Two methods are provided, differing in their subject selection, training, hearing protector fitting procedures, and experimenter involvement, but corresponding in all electroacoustic and psychophysical aspects.
DS/EN ISO 4869-3 - ACOUSTICS - HEARING PROTECTORS - PART 3: MEASUREMENT OF INSERTION LOSS OF EAR-MUFF TYPE PROTECTORS USING AN ACOUSTIC TEST FIXTURE Organization: DS
Date: 2007-07-27
Description: Performance data obtained by this method are not intended to be quoted as representing the real-ear sound attenuation of an ear-muff, nor the protection provided by the ear-muff.For the testing of certain ear-muffs (such as those attached to safety helmets, or those with contoured earcups or ear-cushions, or supra-aural ear-muffs), the procedure described in this part of ISO 4869 might need to be modified.
IEC TS 60318-7 - ELECTROACOUSTICS – SIMULATORS OF HUMAN HEAD AND EAR – PART 7: HEAD AND TORSO SIMULATOR FOR THE MEASUREMENT OF AIR-CONDUCTION HEARING AIDS - EDITION 2.0 Organization: IEC
Date: 2017-04-01
Description: WARNING – It is acknowledged that devices conforming to this document are used as the basis for applications extending beyond this scope, for example the measurement of sound sources close to the ear or of hearing protection devices. In such cases, it is recommended that any necessary design variations are documented, and that a statistical analysis of the measurement data is carried out to determine the level of repeatability that can be achieved.

1 - 20 of 36 results