Nominal Frequency                     (kHz)                                   

    40±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