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Help CenterMedical Hearing Test Machine For ENT in Hospital or Hearing Aid Store PC Based
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Specifications
audio tester audiometry testing machine1.Can calibrate multiple types of earphone at the same time
2.Can be use as mobile one
Audio tester Audiometry testing machine
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 |
| 125 | 90 | 90 | |
| 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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