Acoustic Reflex Tests | Reflex test method: Threshold and Fixed level |
| Stimulus duration: 0.5 or 1 sec. |
Admittance Measurements | Compliance range at 226 Hz: 0.05 up to 7 ml |
| Sensitivity scale: Auto Scales to appropriate range,
available scale at 226 Hz 1, 2, 5 and 7 ml |
| 1000 Hz: 0 to +25 mmho |
| Sensitivity scale: Auto Scales to appropriate range,
available scales 5, 10, 15, 20, 25 mmho |
Air Pressure | Control: Automatic |
| Range: two selections available: +100/-200 daPa
or +200/-400 daPa |
| Pressure accuracy: ±10 daPa or ±10% |
| Sweep rate: automatic adaptive speed control
or fast (200 daPa/sec) |
| Safety limitations: -750 up to +550 daPa |
Frequency & Intensity Ranges :- Contralateral | Pure tone level range (dB HL) from 50 to 110 |
| Frequency: 500, 1000, 2000, 4000 Hz |
| Accuracy: ±1% |
| Calibration accuracy ±3 dB |
| Level steps: 5 or 10 dB |
| On/Off ratio: 70 dB minimum |
Frequency & Intensity Ranges :- Ipsilateral | Frequency: 500, 1000, 2000, 4000 Hz |
| Accuracy: ±1% |
| Harmonic distortion (THD): less than 3% |
| Pure tone level range (dB HL) from 50 to 100 |
Intensity Range | 226 Hz: 85 dB SPL ± 2 dB |
| 1000 Hz: 75 dB SPL ± 2 dB |
| Frequency Accuracy: ± 0.5% |
| Harmonic Distortion (THD): Less than 1% |
Probe Tone | 226 Hz for Admittance (Y) curve tympanometry |
| 1000 Hz for Admittance (Y) curve tympanometry with
added Susceptance (B) and Conductance (G) curves. |
| The probe is supplied in handheld mode |