How much does an audiometer cost?
Med-Tech & Design Associates International specialize in sales of multiple brands of audiometers.
https://4medtech.com/product-category/audiometers/
Resonance r07a

Pure Tone Audiometry, Automatic Audiometry
Patient controlled, according to ISO 8253-1 and
standard Hughson Westlake procedure (selectable
on control panel)
Audiometer Class 4 according to IEC 60645-1
Call for Price
https://4medtech.com/shop/audiometers/audiometers-tympanometersmicroprocessor-audiometers/r07a/