CN-TL105 Digital Diagnosis Audiometer for Hearing Test

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