Support
We've got your back
Troubleshooting, calibration, repairs, reorders, and software — one team that knows your equipment.
Calibration & Repair
Due for calibration or something not reading right? Send it in or schedule service — we handle audiometers, spirometers, and booths.
Calibration & repair →Reorder Supplies
Out of mouthpieces, flowtubes, forms, or printer paper? Reorder from the shop and we ship fast.
Go to shop →Your Documents
Calibration certificates and test reports for your account, in one place. Sign in to the customer portal.
Open portal →Submit a support request
Talk to a human
Phone: 513.891.0868
Email: foster@fosterinstruments.com
An AI troubleshooting assistant and knowledge base are on the way.