Specification |
400EP18D |
Transceiver |
Center Frequency |
40.0±1.0KHz |
Bandwidth(-6dB) |
2.0KHz |
Transmitting Sound Pressure Level at resonant frequency; 0dB re 0.0002µbar per 10Vrms at 30cm |
100dB min. (transducer alone) |
Receiving Sensitivity at resonant frequency; 0dB=1 volt/µbar |
-80dB min. (transducer alone) |
Nominal Impedance (Ohm) |
1000 |
Ringing (ms) |
1.2 max. |
Capacitance
at 1KHz ± 20%@25°C
Temperature compensated type
|
1800 pF 3600 pF |
Max.Driving Voltage |
100Vp-p @20 bursts, 25 ms repetition rate |
Total Beam Angle -6dB |
135° typical (Wide) 75° typical (Narrow) |
Operation Temperature |
-40 to 70° C |
Storage Temperature |
-40 to 80° C |