Feature
Testing methods: TEOAE and DPOAE
Work mode:Continuous
Display: 4.3 inch capacitive true color LCD touch screen
Memory:2000 ID number
Input voltage: AC 220V +22V, 50Hz ± 1 Hz;
Output voltage: 12.6 soil 0.3V DC
Automatic testing,automatic analysis
Microphone system noise:-19dBSPL at 2kHz (1Hz bandwith).
Operation noise is less than 50dBSPL.