Calibration & Repair
ANSI-traceable calibration — on-site, in-house, or mail-in.
Audiometers, booths, spirometers, breath alcohol testers, vision testers, and EKG — calibrated by expert technicians whether or not you bought from us, with free loaner instruments if yours needs extensive repair.
- ANSI S3.6 / S3.1
- OSHA 29 CFR 1910.95
- Free loaners during extensive repairs
- Reminders before every due date
Three ways to stay in calibration
Pick the path that costs you the least downtime. On-site across OH, KY, IN, IL & MI; mail-in nationwide.
On-site calibration
Most popularOur technician comes to your facility and calibrates on the spot — audiometers, booths, spirometers, and more — so your program never skips a beat. One visit can cover every instrument in the building.
- ✓ Zero shipping downtime
- ✓ Booth sound-level checks included
- ✓ Multiple instruments per visit
In-house service
Drop your instrument at our Cincinnati facility and our bench technicians calibrate, service, and return it fast.
- ✓ Bench calibration & repair
- ✓ Fast turnaround
- ✓ Pickup when it suits you
Mail-in calibration
Ship us your audiometer or breath alcohol tester and we calibrate and return it with a traceable certificate — nationwide.
- ✓ Audiometers & breath alcohol testers
- ✓ Nationwide shipping
- ✓ Certificate with every unit
What we calibrate
Audiometers
Annual calibration to ANSI S3.6, per OSHA 29 CFR 1910.95, using industry-standard ACS hardware and software.
Audiometric booths
Sound-level certification to ANSI S3.1 so your test environment holds up in an audit.
Spirometers & 3L syringes
Calibration and preventative maintenance for accurate pulmonary function testing.
Breath alcohol testers
Calibration and service for evidential breath testers, on-site or mail-in.
Vision testers
Calibration and preventative maintenance to keep screenings dependable.
EKG
Preventative maintenance and service support for diagnostic EKG systems.
How it works
Tell us what you run
Instrument makes, models, and where they live — one unit or a whole fleet, ours or another brand.
We schedule the service
On-site visit, drop-off, or a mail-in label — whichever gets you compliant fastest.
Certificate + reminder
You get a traceable calibration certificate for your records, and a reminder before the next one is due — so nothing lapses.
Common questions
Do you calibrate equipment you didn't sell?
Yes. We service what we sell and most major brands — whether or not you bought from us.
How often does an audiometer need calibration?
OSHA 29 CFR 1910.95 requires annual acoustic calibration. We track your due dates and send reminders so your program never lapses.
What happens if my instrument needs a bigger repair?
When you calibrate with Foster, you get access to our free loaner instruments if your unit requires extensive repairs — your testing keeps running while we fix it.
What do I receive after calibration?
A traceable calibration certificate for your compliance records, plus a reminder ahead of your next due date.
Due — or overdue — for calibration?
Tell us what you run and where it lives. We'll get you scheduled and back in compliance — usually in one visit.