- Contact Person : Ms. Chen Sally
- Company Name : Guangzhou GZRisound Medical Instrument Co., Ltd.
- Tel : 86-020-22101978
- Fax : 86-020-36046355-816
- Address : Guangdong,Guangzhou,B410,Wufu Building,No.332,Shicha Road,Baiyun District.
- Country/Region : China
- Zip : 510430
AD105 digital hearing aid audiometer for hearing test
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Channel:Two independent signal channel and masking channel
Frequency: Air conduction and free sound field 125-8000Hz; (Bone conduction 250-6000Hz)
Masking: Pure tone test, white noise
Normal: Press INT to start sound stimulate
Inversion: Press INT to stop sound stimulate.5dB step and 5dB step continuous attenuation,1DB error.
Distortion: Air conduction: <2.5%; Bone conduction: <5%
Preheating time: Less than 10 minutes
Standard accessory: TDH39 Air conduction earphone, responder, power line
Sound pressure range
HZ | AC | 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 | -10~50 |
8000 | -10~110 |
AD105 digital hearing aid audiometer for hearing test
