Center for unit such as personnel training and the listening for a rapid screening, carry is extremely convenient. AD-104 can
AD-104 technology index:
Channels: the two road independent channels
Frequency: gas guide, bone and free the sound field 11 standard frequency, 125-8000 Hz, bone guide 250-6000 Hz, the error is less than plus or minus 1%.
Cover: pure tone test with side white noise.
Test sound intensity range:
Frequency HZ gas lead AC bone lead BC
125-10 ~ 90
250-10 ~ 100-10 ~ 45
500-10 ~ 120-10 ~ 60
750-10 ~ 120-10 ~ 60
1000-10 ~ 120-10 ~ 70
1500-10 ~ 120-10 ~ 70
2000-10 ~ 120-10 ~ 70
3000-10 ~ 120-10 ~ 70
4000-10 ~ 120-10 ~ 60
6000-10 ~ 110-10 to 50
8000-10 ~ 110
Output: TDH 39 or plug-in gas lead headphones, earphones, B71 bone lead free sound field
The standard function: pure tone CeTing provide continuous sound, pulse sounds and heliotropes sound
Normal: according to INT key to sound exciting.
Reverse: the key to stop to stimulate INT sound. Step 5 dB attenuation step 5 dB for error 1 dB
The microphone: yes, facilitate communication with the patient
Distortion: gas lead less than 2.5% bone lead is less than 5%
The operation environment: temperature + 10 °C-+ 35 °C, air temperature 30%-90%,
Pressure: 860 hPa-1060 hPa
Preheat time: less than 10 minutes
Size: 45 cm * 30 cm
Weight: 1775 g
Power supply: 230 VAC, frequency 50 Hz
The maximum power: 60 VA
Execution standard: the hearing program manufacturing standards: EN60645-1, EN60645-2, EN60645-4, and ANSI S3.6-1996
Safety standards: EN 60601-1, level 1 B class EN 60601-1-2; EN 60601-1-4
Standard configuration: TDH39 gas lead headphones, B71 bone lead headset (another match), the response, the power cord
portable diagnostic audiometer
