NF EN 26189 : 1992
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ACOUSTICS - PURE TONE AIR CONDUCTION THRESHOLD AUDIOMETRY FOR HEARING CONSERVATION PURPOSES
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BS ISO 389-4 : 1994 AMD 10484
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ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - REFERENCE LEVELS FOR NARROWBAND MASKING NOISE
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ISO 389:1991
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Acoustics Standard reference zero for the calibration of pure-tone air conduction audiometers
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BS 2497-7:1988
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Standard reference zero for the calibration of pure tone air conduction audiometers Specification for a standard reference zero at frequencies intermediate between those given in Parts 5 and 6 of BS 2497
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CSA C22.2 No. 62368-1 : 2014
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AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS
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BS EN ISO 389-2:1997
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Acoustics. Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones and insert earphones
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EN 60645-2:1997
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Audiometers - Part 2: Equipment for speech audiometry
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BS 2497-6:1988
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Acoustics. Reference zero for the calibration of audiometric equipment Specification for a standard reference zero using an artificial ear complying with BS 4669
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07/30165158 DC : 0
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IEC 60645-2:1993
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Audiometers - Part 2: Equipment for speech audiometry
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BS EN 50249:2002
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Electromagnetic locators for buried pipes and cables. Performance and safety
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I.S. EN ISO 389-4:1999
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ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE
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BS EN 60645-2:1997
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Audiometers Equipment for speech audiometry
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BS 2497-5:1988
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Standard reference zero for the calibration of pure tone air conduction audiometers Specification for a standard reference zero using an acoustic coupler complying with BS 4668
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XP I ETS 300380 : 98 XP
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UNIVERSAL PERSONAL TELECOMMUNICATION (UPT) - ACCESS DEVICES - DUAL TONE MULTI FREQUENCY (DTMF) SENDER FOR ACOUSTICAL COUPLING TO THE MICROPHONE OF A HANDSET TELEPHONE
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ISO 389-4:1994
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Acoustics Reference zero for the calibration of audiometric equipment Part 4: Reference levels for narrow-band masking noise
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ISO 6189:1983
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Acoustics Pure tone air conduction threshold audiometry for hearing conservation purposes
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NF EN 50249 : 2003
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ELECTROMAGNETIC LOCATORS FOR BURIED PIPES AND CABLES - PERFORMANCE AND SAFETY
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BS 2497(1992) : AMD 9442
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SPECIFICATION FOR STANDARD REFERENCE ZERO FOR THE CALIBRATION OF PURE TONE AIR CONDUCTION AUDIOMETERS
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ETR 166 : 20001
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HUMAN FACTORS (HF); EVALUATION OF TELEPHONES FOR PEOPLE WITH SPECIAL NEEDS; AN EVALUATION METHOD
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BS 6083-10:1988
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Hearing aids Guide to hearing aid standards
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NF ETS 300 082 : 1995
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INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - 3,1 KHZ TELEPHONY TELESERVICE - END-TO-END COMPATIBILITY REQUIREMENTS FOR TELEPHONY TERMINALS
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ISO 389-2:1994
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Acoustics Reference zero for the calibration of audiometric equipment Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
|
BS EN ISO 389-4:1999
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Acoustics. Reference zero for the calibration of audiometric equipment Reference levels for narrow-band masking noise
|
EN ISO 389-2 : 1996
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Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones (ISO 389-2:1994)
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EN ISO 389 : 1995
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ACOUSTICS - STANDARD REFERENCE ZERO FOR THE CALIBRATION OF PURE-TONE AIR CONDUCTION
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EN ISO 389-4 : 1998
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ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE
|
BS EN ISO 389:1997
|
Acoustics. Standard reference zero for the calibration of pure tone air conduction audiometers
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BS 5966:1980
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Specification for audiometers
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CEI EN 60645-2 : 1997
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AUDIOMETERS - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY
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I.S. EN 60645-2:1999
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AUDIOMETERS - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY
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EN 50249:2002
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Electromagnetic locators for buried pipes and cables - Performance and safety
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