AJ-TL105 is a kind of high-precision,economical and practical screeningaudiometer. It can use for hearing test when fitting high-end hearing-aidand visiting service.And also use for hearing condition test of school,industrial and mining enterprises,army, fahrschule, rehabilitationcenter and deaf training etc.
Test function and characteristic Air conduction Pure tone test Provide continuant,pulse voice and twitter Noise masking for ear(narrowband noise) Both sides independent sound track Built-in MIC,convenient to communicate with patients Humanizing sound intensity output extend button,to protect patient's Hearing Can choose bone conduction test Can choose air conduction test
Performance index Channel:Two independent signal channel and masking channel Frequency: Air conduction and free sound field 125-8000Hz; (Bone conduction 250-6000Hz) Masking: Contralateral, narrowband noise Sound pressure range: Air conduction :250 Hz-10 -- 90HL 500 -- 6000Hz-10 -- 120HL 8000Hz-10 -- 110HL Bone conduction: 250 - 4000Hz-10 -- 70HL Accuracy: Sound intensity±3dB ,frequency drift<1% Distortion: Air conduction: <3%; Bone conduction: <5% Input interface: Response switch Output interface: Air conduction earphone,Bone conduction earphone,free sound field Standard function: Pure tone test.Provide continuant,pulse voice and warble Tone 5dB sound intensity stepping Sound intensity extetension Communicate with patient:Internal MIC(50-90dB adjustable) Answer lamp Data transmission Display screens: Double row LCD display Power adapter: 230V AC transformer,9V output. Bulkfactor: 270 x 200 x 80mm / 2.0 kg Standard accessory: TDH39 Air conduction earphone, responder, AC transformer