Sporting a stylish, lightweight design, the GSI 18 is a single-channel manual audiometer that is ideal for hearing professionals in any setting – from schools and industrial businesses to physician’s offices and clinics.

It’s a truly universal audiometer, with frequency levels ranging from 125 Hz to 8000 Hz, and signal intensities running from -10 dB HL to 100 dB HL, with pulse and warble modes.

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Want to learn more about the GSI 18?

Visit the Grason-Stadler website for a full breakdown of the features and benefits, along with a variety of educational materials.

GSI 18 page


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We understand that you have a choice when it comes to choosing your equipment and are dedicated to providing you with the highest quality instrumentation available.Contact us now for your free, no obligation quote and discover why we are the preferred Authorized Distributor and Service Provider to the world’s leading manufacturers.  (Completing our online form does not sign you up for electronic advertising.)



ANSI S3.6 Audiometer (type 4)

IEC 60645-1 Audiometer (type 4)

UL and IEC 60601-1 Electrical Safety

IEC 60601-1-2 EMC

CAN/CSA C22.2 No. 601-1 - M90 (2003)

Medical Device Directive 93/42/E