Welch Allyn AM 232 - Chapter 1: Introduction

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12-16-08
Chapter 1
Introduction
The AM 232 Manual Audiometer is a single-channel, pure tone, air conduction,
portable instrument designed to provide basic audiometric screening capability for
physicians’ offices, schools and industry. The lightweight design allows easy
transport to a variety of testing locations, and the built-in storage cavity and case
provide enough room to contain all instrument accessories. The clearly labeled front
panel controls and full frequency range make accurate, reliable testing a simple matter
for any user.
The AM 232 Manual Audiometer is a precisely designed and calibrated instrument.
With proper care it will deliver accurate sound-pressure levels to subject ears for your
hearing screening program.
Note: The AM 232 Manual Audiometer should be recalibrated yearly (or sooner if a
problem develops). See Chapter 4.