Check out this video from Benson Medical!

MEDI has been selling and servicing audiometers, tympanometers, vision screeners, spirometers, sound level meters, and more for over 65 years


ATTENTION! CAOHC has recently made significant changes to its certification and recertification examination procedures. To find out more about these changes, please visit the CAOHC website at and here.

Unable to attend our scheduled Spirometry course? Require certification in Respiratory Protection? 

Palmer Associates offers a multitude of courses throughout the year and all over the country. Check their website for more course offerings. 

Council for Accreditation in Occupational Hearing Conservation (CAOHC)
American National Standards Institute (ANSI)
Honeywell Titmus Sperian Vision Screener

2021 Hearing Conservation and Spirometry Courses now scheduled!

MEDI provides annual calibration and repair for multiple leading diagnostic testing systems.

MEDI is the official repair center for all Honeywell/ Sperian/Titmus Vision Screeners. Click here for a Service Order Form.

MEDI's Occupational Health Newsletter

Click here to download the most recent release of our Occupational Health Newsletter. Enter your email below to stay up-to-date and receive our Newsletter and Course Mailer whenever new ones are released. MEDI will not sell or distribute your email address. It will be used solely to send our Newsletter and Course Mailer, as well as to notify you of a new blog post when important changes in the industry occur.

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4814 East Second Street

Benicia, CA 94510

T: 1-800-736-6334 or 510-459-0741
F: 707-746-6374

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