1. Introduction
The GRAS 90AA Audiometer Calibration System is configured to meet the requirements of modern audio-meter calibration. It is easy and fast to set up and control, and can be upgraded as your calibration needs change. Two standard packages are available and several options can be added, depending on the type and features of the audiometer and respective ear-phones connected.
The 90AA Audiometer Calibration System includes artificial ears for TDH-39/49 and HDA-200 and an audiometer calibration analyzer.
2. Applications
Typical users are
Calibration of supra- and circum-aural and insert earphones
Free-field calibration and audiometric booth verification
Modular artificial ear systems according to standards
Dedicated audiometer calibration analyzer
3. Specifications
ANSI standard
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S1.40, S1.43, S1.11, S3.6
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Items included
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Artificial Ear w/NMS 9A 6cc coupler
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IEC 60318-1 & 2 Artificial Ear
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LEMO 1B 7-pin Female - LEMO 1B 7-pin Male, Extension cable, custom length
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Audiometer Calibration Analyzer
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Multifunction Sound Calibrator
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Force Gauge (Newtonmeter)
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Audiometer Calibration System Suitcase
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Battery Alkaline LR6-AA 1.5V (4 pcs incl.)
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User Manual
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4. Download
90AA Datasheet
5. Contact
Unit 2209, Golden Park Tower, 2 Pham Van Bach Street, Yen Hoa, Cau Giay District, Ha Noi, Vietnam
tel.: +84 (24) 38229808
fax: +84 (24) 38229553
cell: +84 90 336 8648
email: tuonglam@syscovn.com