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,1DBerror. 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 and ANSI 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.
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