| 出生地 |
Guangdong China (Mainland) |
| 牌子的名字 |
audiowell |
| 模式的数量 |
TR58-15G279Z-L15-01 |
ItemParameterRemarkResonant frequency58±1.0kHz Echo Sensitivity≥2.0 Vp-p Decay Time≤1.8ms Directivity (X)90±15° Directivity (Y)45±10° Electrostatic Capacitance1800±15%pF 1kHz/25 Input voltage≤140Vp-p 58kHz/ pulse width 0.35ms/ interval 20ms Mean Time to Failure50000h Operating temperature-40+80 Storage temperature-40+85