| Parameters | Function Advantages |
| Climatic conditions | Ambient temperature :10℃-40℃ | Adopt high performance, low energy AVR microprocessor, equipped with TEOAE and DPOAE; |
| Relative Humidity: NMT 85% | Particular noise-cancelling function, real-time display of waveform and data in the testing procedure |
| Barometric Pressure: 700hPa-1060hPa | USB interface can be directly connected to the computer for data sharing, which can support long-distance medical treatment; |
| Power Supply Voltage | AC 220v±22v,50±1Hz | The probe head conforms to the human engineering, the outer covering and sound track tube can be easily dismantle and clean, to prevent cross infection; |
| DC 5v±0.3v | Probe self-checking function can display waveform, in order to judge coupling situation, increase the testing accuracy; |
| Input Power | ≤10w | Adopt serial port communication technology, can print the detailed test result |
| Output Sound Pressure Extent | Click stimulus output | Stimulation sound range: 50dB-80dBspl, adjustable level, 5dBspl per level.Error range: actual output and display value≤±2dBspl | It can run in the windows Xp, and also adopt universal data format for the resource sharing and telecommunications network. |
| Pure-tune stimulus output | Stimulation sound range: 60dB-80dBspl, adjustable level, 5dBspl per level.Error range: actual output and display value≤±2dBspl | User-friendly interface design, graphical display, and also display single or double ears' testing data and waveform; |
| sound acceptable pressure | 0dB-80dBspl, adopting pure-tone stimulation as signal importing, the error range(between display value of the detector and output value)≤±3dBspl | Easy to input hospital's name, patient's name, sex, age, clinical feature and doctor's decision. |
| Noise-cancelling range | 35dB-50dBspl, adjustable level, 5dBspl per level | It can store over 2 million pieces of case information. |
