Specification |
400ET18S |
Transmitter |
400ER18S |
Receiver |
Center
Frequency (Fc) |
40.0±1.0KHz |
Bandwidth(-6dB) |
400ET18S |
1.5KHz |
400ER18S |
1.5KHz |
Transmitting
Sound Pressure Level
at Fc; 0dB re 0.0002µbar per 10Vrms at 30cm |
110dB
min. |
Receiving
Sensitivity at Fc, 0dB=1 volt/µbar |
-70dB
min. |
Capacitance at 1KHz ± 20% |
2900pF |
Max.Driving
Voltage(cont.) |
15Vrms |
Total
Beam Angle (-6dB Main Beam) |
35°
typical |
Operation
Temperature |
-30
to 70° C |
Storage
Temperature |
-40
to 80° C |