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Hearing machine

1

Female

General Information - Equipment manufactured from 2026 onwards, 100% new. - Manufacturer holds one of the following international certifications: ISO 13485. - Power supply: 220-240V/ 50-60 Hz - Operating environmental conditions: - Operating temperature: +10 ~ +35 degrees C - Operating humidity: 30 ~ 85% - Pressure: 70 ~ 106 kPa II. The detailed configuration of the machine includes: - Main unit: 1 unit - OAE probe cable: 1 unit - OAE probes: 3 units - Children's earpiece set: 1 set - Dental floss for probe cleaning: 1 set - Probe opening tool: 1 unit - Cavity test calibration kit: 1 set - Mobile device with integrated thermal printer: 1 unit - User manual (English and Vietnamese): 1 set - "Neuro-Audio-Screen" software: 1 unit III. Technical specifications: 1. Features of the aScreen system - World's smallest, powerful - Fast and accurate OAE acquisition - Results can be printed using a mobile printer or thermal printer - Easily customizable test templates - Compatible with Android - Data can be downloaded from the device to a computer with Neuro-Audio-Screen Manager software installed via Bluetooth. The program is provided free of charge with the device. Data can be downloaded via USB connection. 2. TEOAE (Transient Otoacoustic Reflection) Technique - Frequency range: 500 - 5000 Hz - Stimulation intensity range: 30 to 90 dB SPL - Permissible absolute error of stimulation intensity: ±3 dB - Stimulation spectral flatness: Not greater than 6 dB - In the 1-4 kHz range: Not greater than 15 dB - In the 0.5-5 kHz range: Not greater than 30 dB SPL - Input noise level in the 500–5000 Hz range: 30 to 90 dB SPL - Stimulation intensity range: ±3 dB 3. DPOAE (Distortion Otoacoustic Reflection) Technique - Frequency range: 0.5 to 12 kHz - Stimulation intensity range: 0 to 70 dB SPL - Third-order reciprocating stimulation level: Not greater than –80 dB - Stimulation amplitude Specifications: +In the frequency range from 0.5 to 8 kHz: 0 to 70 dB +In the frequency range from above 8 to 12 kHz: 0 to 65 dB - Permissible absolute error of excitation amplitude: +In the frequency range from 0.5 to 4 kHz: ±3 dB +In the frequency range from above 4 to 12 kHz: ±5 dB 4. General Parameters - Automatic result analysis: Yes - Probe setup quality indicator: Yes - Device power consumption in OAE reception mode: Not exceeding 350 mW - Interface: Bluetooth - Main unit power supply voltage (from smartphone): 5V - Permissible absolute error of electronic power supply: ±5% Surge protection class with internal power supply: Type BF - Enclosure protection class: CIP20 according to EN 60529 standard

Bac Ha Regional Medical Center - Bac Ha Commune - Lao Cai Province