CHEAPEST PROFESSIONAL AUDIOMETER CH22 FOR MEDICAL HEARING TESTER

Product Overview

Description

AUDIOMETER CH33 HEARING TESTER FOR MEDICAL HEARING TEST 

 

 

 

Channels:  Two independent signal channels and masked channels.

 

Out put: Air conduction; Bone conduction.

Frequency:
Sound pressure range:
         Air conduction   125 – 250 Hz      -10 -- 100 HL
                                      500 -- 6000Hz      -10 -- 110HL
                                      8000Hz                 -10 – 110HL
         Bone conduction  500 – 4000Hz   -10 – 70HL

Precision: Sound pressure:±1dB,frequency: better than1%

Distortion: Air conduction: <= 2.5%; Bone conduction: <=5%
 

Output interface: Air conduction earphone, Bone conduction earphone,Free sound field
 

Masking: Pure tone& with contralateral white noise

 

Tests: AC test, BC tests, Speech test, Speech with noise test

  

Standard accessory: TDH-39P Earphone,B-71 Bone Conduction earphone,
responder,