| Power Source |
Electric |
| Instrument classification |
Class II |
| Safety standard |
GB15979-2002 |
| Properties |
ENT Room product |
| Test Method |
TEOAE+DPOAE |
| Number of Frequency Bands |
6 or 4 |
| Stimulus Type |
Click Sound or Primary tone pair |
| Stimulus Level |
60 dB to 80 dB or 50 dB to 65 dB SPL |
| Frequency Range |
1.5 kHz to 4 kHz or 2 kHz |
| S/N |
6 dB |
| Display |
Measurement Progress, S/N |
| Evaluation Method |
Noise-weighted Averaging, Counting of Significant Signal Peak or Phase statistics |
| Pass |
3 or more of the 6 frequencies or 3 or more of the 4 frequencies |
| Result Display |
PASS or REFER |
| Dimension |
15.11 in x 18.11 in x 0.59 in (384 mm x 460 mm x 15 mm) |
