China Sy-G055 Medical Hearing Aid Hearing Hearing Aids for The Deaf, Find details about China Hearing Aid for The Deaf, Deaf People from Sy-G055 Medical Hearing Aid Hearing Hearing Aids for The Deaf
Technical Index:
Channel:Two independent channel
Frequency: Air conduction; Bone conduction and free sound field 11 standard
frequency,125-8000Hz,bone conduction 250-6000Hz,error less than 1%.
Masking:Pure tone test :ipsilateral white noise Sound pressure range:
Output interface:TDH39 or plug-in Air conduction earphone,
B71 Bone conduction earphone,free sound field
Standard function: Pure tone test.Provide continuant,pulse voice and warble tone
Normal: Press INT to start sound stimulate
Inversion: Press INT to stop sound stimulate.5dB step and 5dB step continuous
attenuation,1DB error.
Have microphone
Distortion: Air conduction: <2.5%; Bone conduction: <5%
Operation Environment: Temperature + 10 °C-+ 35 °C, air temperature 30%-90%,
Air pressure:860hPa -- 1060hPa
Preheating time: Less than 10 minutes
Size : 45cm*30cm
Weight : 1775g
Power source : 230VAC, 50Hz
Maximum power : 60VA
Executive standard : Audiometer producing standard:
EN60645-1, EN60645-2,EN60645-4 andANSI S3.6-1996
Safety standard : EN 60601-1,level 1 class B EN 60601-1-2;EN 60601-1-4
Standard accessory: TDH39 Air conduction earphone,B71 Bone conduction
earphone(reprovision),responder, power line.