Specification
Item |
Transmitter |
Receiver |
Note |
Center frequency |
40.0±1.0KHz |
|
|
SPL |
≥110dB |
------- |
0dB=0.0002μbar |
Sensitivity |
------- |
≥-67dB |
0dB=1volt/μbar |
Directivity |
60° |
-6dB typical |
|
Capacitance |
2000±30%pF |
|
|
Housing material |
ABS |
|
|
Driving Voltage |
≤30Vrms |
|
|
Operating Temperature |
-20~+70℃ |
|
|
Storage Temperature |
-30~+80℃ |
|