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Interacoustics AC40 Service Manual

Interacoustics AC40
68 pages
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Clinical Audiometer AC40
Part number 8100837 Rev. 2
Valid from 10/2013
Service Manual

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Interacoustics AC40 Specifications

General IconGeneral
BrandInteracoustics
ModelAC40
CategoryMeasuring Instruments
LanguageEnglish

Summary

Tone Audiometer Reference Levels

Free Field Calibration Data

Speech Calibration Standards

Calibration Procedures and Standards

Calibrated Transducers and Accuracies

Lists transducers, their force requirements, and instrument accuracy specifications.

Calibration Standards and Spectral Properties

Details standards for tone calibration, spectral properties, and free field output.

Schematics

Block Diagram

Visual representation of the AC40's internal components and their interconnections.

Disassembly Procedures

Cabinet Opening and Component Removal

Step-by-step guide for disassembling the AC40, including cabinet, boards, power supply, and display.

Knob Adjustment After Reassembly

Calibration Procedure Overview

Calibration Process and Requirements

Covers annual calibration standards, equipment needed, and mode entry.

Transducer Calibration Process

Setting Calibration Standards and Transducers

Selects calibration standards (ANSI/IEC) and specific transducers for calibration.

Performing Transducer Calibration

Detailed steps for calibrating transducers using the software and measurement equipment.

Writing Calibration Data to Hardware

Process of saving calibrated data to the audiometer's hardware.

Free Field and Custom Max Calibration

Firmware and Logo Updates

Firmware Update Procedure

Instructions for updating the AC40 firmware via a USB stick.

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