China Portable Audiometer for Hearing Aid Fitting, Air Conduct Diagnostic Audiometer, Find details about China Diagnostic Audiometer, Audiometer from Portable Audiometer for Hearing Aid Fitting, Air Conduct Diagnostic Audiometer
Head Phone | 39P (AC). B71 (BC) |
Power Supply | 230V AC transformer, 50Hz |
Dimensions | 45x 30x 9.5cm |
Packing | 51x 40x 27cm |
Weight | 1.775kg |
Microphone | Internal |
Out put | Air conduction, Bone conduction. Free field | |
Frequency | AC | BC |
125Hz | -10-90HL | -10-45HL |
250 Hz | -10- I00HL | -10-45HL |
500-750Hz | -10- 120HL | -10-70HL |
1000.3000Hz | -10- 120HL | -10-70HL |
4000Hz | -10-120HL | -10-60HL |
6000Hz | -10-110HL | -10-50HL |
8000Hz | -10-110HL | |
Masking | Pure tone& with contralateral white noise test | |
Tests | AC test, BC tests, speech test, speech with noise test | |
Tone | Continuous pure cone, pulse tone, warble tone | |
Precision | Sound pressure:± 1 dB, | |
Frequency | better than 1% | |
Distortion | Air conduction: ≤2.5%, Bone conduction: ≤5% |