Digital Diagnosis Audiometer for Hearing Test
China Digital Diagnosis Audiometer for Hearing Test, Find details about China Practical Screening Audiometer, Hearing Test from Digital Diagnosis Audiometer for Hearing Test
Basic Info.
Model NO.
AJ-TL105
Model NO.
AJ-TL105
Product Desciption
AJ-TL105 is a kind of high-precision,economical and practical screening audiometer. It can use for hearing test when fitting high-end hearing-aid and visiting service.And also use for hearing condition test of school, industrial and mining enterprises,army, fahrschule, rehabilitation center 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
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
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