Audiometer: PDD-401

• PC based screening audiometer for the air conductive examination of hearing system
• IEC 645-1 standard
• Class Type 4 and Type
• EN ISO 7029:2000 Statistical distribution of hearing threshold s as a function of age
• Interpretation by PTA (Pure Tone Average)
• Interpretation by Grade of Hearing Impairment

System integration

• System integration with Piston spirometers
• System integration into information networks
• Health Level 7 (USA)
• Geräte Daten Träger (Germany)

Database management system

• Unlimited storage of patients and results
• Full support of pre-post examinations
• Trend analysis

Connecting to a laptop PC provides full portability in battery mode as well

• Operating modes
• Patient interface
• Technical data
  - Manual
  - Semi automatic ascending iteration according to Hughson-Westlake protocol
  - Semi automatic descending iteration
  Program able automatic sequence
• Signal types
  - Continuous
  - Pulse
  - Interrupted
• Patient interface
  - Telephonics TDH 39 built into a Peltor noise protecting case with 40 dB attenuation
  - Patient feedback with hand switch
  - Built-in microphone to communicate with the patient

Technical Data

Frequency: 125Hz, 250Hz, 500Hz, 750Hz, 1kHz, 1.5kHz, 2kHz, 3kHz, 4kHz, 6kHz, 8kHz

Sound Pressure Level: -10dB, 110dB

Total harmonic distortion: < 1 %

Frequency deviation: < 1%

IBM/PC connection: USB port

Audiometer interface: L 150 mm * W 82 mm * H 45 mm

Weight: 210g

Power supply: External power supply not required