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General Industry Safety Orders, Article 105, Appendix D
https://www.dir.ca.gov/Title8/sb7g15a105apd.html#:~:text=Acoustic%20Calibration%20of%20Audiometers%20I.%20Audiometer%20calibration%20shall,and%20a%20National%20Bureau%20of%20Standards%209A%20coupler.
1910.95 App E - Acoustic calibration of audiometers ...
https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.95AppE
(1) "Sound Pressure Output Check" A. Place the earphone coupler over the microphone of the sound level meter and place the earphone on the coupler. B. Set the audiometer's hearing threshold level (HTL) dial to 70 dB. C. Measure the sound pressure level of the tones at each test frequency from 500 Hz through 6000 Hz for each earphone. D.
Acoustic calibration of audiometers - Appendix E
https://www.byui.edu/Documents/Admin_Offices/Facilities%20Management/Security%20and%20Safety/Hearing%20Conservation/Acoustic%20calibration%20of%20audiometers%20-%20Appendix%20E.pdf
• Title: Acoustic calibration of audiometers This Appendix is Mandatory Audiometer calibration shall be checked acoustically, at least annually, according to the procedures described in this appendix. The equipment necessary to perform these measurements is a sound level meter, octave-band filter set, and a National Bureau of Standards 9A coupler.
Acoustic calibration systems - grasacoustics.com
https://www.grasacoustics.com/products/calibration-equipment/acoustic-calibration-systems/
The GRAS 90AA Audiometer Calibration System is easy and fast to set up and control and can be upgraded as your calibration needs change. From quick measuring of frequencies and test signal levels to harmonic distortion and representation of the values in …
Audiometer Calibration: The ³Functional Calibration
https://www.tkontheweb.com/static/articles/functional_calibration.pdf
decibels or greater require an acoustic calibration.´ According to the above definition, TheFunctional Calibration has two components: 1. TheBiological Calibration ± testing persons with known stable hearing thresholds. • Done each day the audiometer is used. • Use at least two subjects. Set up a log on each subject.
Audiometer Calibration - grasacoustics.com
https://www.grasacoustics.com/industries/audiology/audiometer-calibration
Audiometer calibration. Accuracy is essential when it comes to audiometer calibration. If a hearing loss is discovered the specific hearing loss data is e.g. used to set up a possible hearing aid. Many decisions – both legal and human – are based on this data and it is therefore very important that the audiometers are calibrated regularly. The GRAS audiometer Calibration …
Audiometer and Audiometer Calibration | Mutiara Acoustic ...
http://mutiaraacousticequipment.com/audiometer-calibration/
Audiometer Calibration and Silent Cabin Attenuation Reading. We carry out annual calibration of audiometer and attenuation reading inside silent cabins, as required by DOSH. Our calibration equipment is type One and is calibrated once a year, at approved centers to satisfy the stringent rules of DOSH. Audiometer Calibration Set Up
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