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Help CenterAudiometry Machine AD104 Audiometer Impedance Audiometer for ENT in Hospital
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Specifications
1.Can calibrate multiple types of earphone at the same time2.Can be use as mobile devices,and also desktop
3.Easy to handle
We are recruiting worldwide distributers, please contact us if you have any interest !
impedance audiometer
Input : pure tone, warble tone ±5%, 5Hz Sine wave frequency modulation.
Masking : narrow-band noise, white noise.
Output : Air conduction earphone(L/R), Bone conduction earphone(L/R), Insert earphone, Insert masking.
Transducer : TDH 39 earphone (standard configuration)
Ear~Tone 5A Insert earphone (Optional)
B71 bone conduction earphone (Optional)
Feedback words : Built-in feedback words microphone. 0-110 dB SPL can be continuous adjust in panel.
Send test voice: Manual or automatic
monopulse
multiple-pulse
Frequency selection :If you need to fast test, can select 125Hz,250 Hz,750 Hz,1500 Hz or 8k Hz.
Display : letter-figure
Patient signal: responser
Structure : Engineering plastic shell
Attenuator control : standard rotary switch (can choose Push-button switch)
Frequency and maximum output intensity :
| Frequency | AC dB HL | AC dB HL | BC dB HL |
| Hz | TDH39 | Ear-Tone 5A | B71 |
| 250 | 100 | 105 | 45 |
| 500 | 120 | 110 | 60 |
| 750 | 120 | 115 | 60 |
| 1000 | 120 | 120 | 70 |
| 1500 | 120 | 120 | 70 |
| 2000 | 120 | 120 | 70 |
| 3000 | 120 | 120 | 70 |
| 4000 | 120 | 115 | 60 |
| 6000 | 120 | 100 | 50 |
| 8000 | 110 | 95 | 50 |
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