| Air Ultrasonic Ceramic Transducers |
400ET/R250 |
|
Features |
| Solid one piece metal case
High sensitivity and sound pressure level
Complete seal meet IP67
Low cost |
| Applications |
| Remote control devices
Solid and liquid level measurements
Intrusion Alarms
Energy management systems |
| Specification |
| 400ET250 |
Transmitter |
| 400ER250 |
Receiver |
| Center Frequency (Fc) |
40.0±1.0KHz |
| Bandwidth(-6dB) |
1.0KHz (Tx), 1.0KHz(Rx) |
Transmitting Sound Pressure Level
at Fc; 0dB re 0.0002µbar per 10Vrms at 30cm |
115dB min. |
| Receiving Sensitivity at Fc, 0dB=1 volt/µbar |
-70dB min. |
| Capacitance at 1KHz ± 20% |
2800pF |
| Max.Driving Voltage(cont.) |
20Vrms |
| Total Beam Angle -6dB |
30° typical |
| Operation Temperature |
-30 to 70° C |
| Storage Temperature |
-40 to 80° C |
All specification taken typical at 25°C; closer frequency tolerance can be supplied upon request.
| Models available |
| 1. 400ET/R250 |
Aluminum Housing |
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Copyright (c) 2005 Pro-Wave Electronic Corp. All rights reserved.