FAQ- General

1.       Why do I need my Equipment Calibrated?

To assure the equipment is accurate to test your patient at a standard it was manufactured for.  Many insurance companies require calibration before they will pay for tests.  Also JCAH requires that hospital be calibrated to the ANSI standards.

2.       What is the difference between ANSI annual and exhaustive calibrations?

OSHA annual is the output level of the test frequencies at 70 dBHL and attenuator linearity checked from 70dBHL to 10dBHL.  OSHA exhaustive is a full ANSI calibration.

3.       What is the advantage of using insert phones?

a)       Reduces the need for masking noise

b)       Increased test/retest reliability

c)       Dramatically reduces background noise

d)       It will open collapsed canals

4.       Why is my Audiometer calibrated to ANSI S3.6-1989 or ANSI S3.6-1969 and not the current standard of ANSI S3.6-1996?

Because your audiometer might be an older machine and needs to only pass an older standard.  Currently the GSI 61, Madsen OB922, Madsen Aurical, Siemens Unity, and few others are made to the current ANSI standard. 

5.       Do I need a wheelchair ramp for my sound booth?

Yes.  If the booth in not level with the ground then the ADA requires it.   Check the ADA Handbook for Specifitions.