Interacoustics
AA222 Tympanometer + Audiometer
Two instruments in one comprehensive combination unit.
The AA222 (Audio Traveller) is an audiometer and tympanometer in one — combining diagnostic middle-ear analysis with air, bone and speech audiometry to reduce the amount of equipment needed for a complete hearing evaluation. It performs 226 Hz tympanometry, upgradable to 1000 Hz, plus the Stenger test and more. Intended for use by trained operators in hospitals, nurseries, ENT clinics, and audiology offices for diagnostic hearing evaluations and assisting in the diagnosis of possible otologic disorders.
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Key Features
- Combined diagnostic middle-ear analyzer + audiometer in a single instrument
- 226 Hz tympanometry, upgradable to 1000 Hz
- Diagnostic & clinical probes included
- Ipsilateral & contralateral acoustic reflexes plus Eustachian tube testing
- Tone audiometry: air, bone & free-field, 2-channel, with extended range
- Advanced tests: ABLB, SISI, Auto Threshold (Hughson-Westlake) & Stenger
- Speech audiometry via wave files, CD & live voice with auto speech scoring
- Dual free-field speaker outputs (FF1 / FF2)
- 10″ adjustable anti-reflection display
- HDMI output and direct printing to PC printers
- Per-transducer software calibration with one-button swap
- Interchangeable transducers (insert phones or TDH39)
- Built-in monitor & talk-forward mic
- IEC 60601-1 compliant; TÜV-approved quality system
Technical Specifications
ParameterAA222
Tympanometry226 Hz standard; upgradable to 1000 Hz
ProbesDiagnostic & clinical probe included
ReflexesIpsilateral & contralateral acoustic reflex
Eustachian tubeIntact & perforated membrane tests
Pump controlAuto-start; manual pump via wheel
Cal. cavities0.2 · 0.5 · 2.0 · 5 ml validity check
ConductionAir · bone · free field, 2-channel
Extended rangeHigher intensity levels when enabled
AdvancedABLB · SISI · Auto Threshold (Hughson-Westlake)
SpecialtyPure-tone Stenger
Free fieldDual FF speaker outputs (FF1 / FF2)
MaterialWave files · CD input · live voice
Dual inputBinaural recorded speech & CAP tests
ScoringBuilt-in automatic speech score counter
Specialty (speech)Stenger speech
Output90 dB+ speech with external speakers + amp
Display10″ adjustable, anti-reflection tilt
Output (digital)HDMI; direct printing to PC printers
CalibrationPer-transducer software, one-button swap
TransducersInsert phones or TDH39, interchangeable
MonitorBuilt-in monitor & talk-forward mic
SafetyIEC 60601-1; TÜV-approved quality system
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