Screening audiometer PDD-401

for adult audiometrycomputer-based

PC based screening audiometer for the air conductive examination of hearing system IEC 645-1 standard Class Type 4 and Type 5 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 Operating mood 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 210 g Power supply External power supply not required