Nominal Frequency                   (kHz)                                   

40/48/58±1

Capacity                                   (pf)

2000±15%

Ring Down Time                        (ms)

     ≤1.2

Sound Pressure Level               (dB)

   105±5

Sensitivity                                 (dB)

    -70±5

Resistance                                (Ω)     

       500

Angle                                         (°)

     90±5

Input Voltage                            (Vp-p)

       150

Operating Temp. Range            (^oC)

   -30~+80

Storage Temp.                           (^oC)

   -40~+85

Weight                                       (g)

       2.9