探头简介
中心频率(Centerfrequency)40.0±1.0KHz
声压(Soundpressurelevel)105dBmin
灵敏度(Sensitivity)-68dBmin
静电容(Capacitance)2000Pf±20%
余震(Ringing)1.4msmax.
电压(Maximuminputvoltage)140Vp-p
谐震阻抗(resistance)