| Air Ultrasonic Ceramic Transducers |
250ST/R240 |
|
|
Features |
|
Compact and light weight
High sensitivity and sound pressure level
Excellent temperature and humidity durability
Low cost
|
| Applications |
|
Remote control devices
Robotics
Intrusion Alarms
Energy saving equipments
|
| Specification |
| 250ST240 |
Transmitter |
| 250SR240 |
Receiver |
| Center Frequency |
25.0±1.0KHz |
| Bandwidth(-6dB) |
1.5KHz (Tx), 1.8KHz(Rx) |
Transmitting Sound Pressure Level
at 25.0KHz; 0dB re 0.0002µbar per 10Vrms at 30cm |
115dB min. |
| Receiving Sensitivity at 25.KHz 0dB=1 volt/µbar |
-60dB min. |
| Capacitance at 1KHz ± 20% |
250ST |
3000pF |
| 250SR |
2400pF |
| Max.Driving Voltage(cont.) |
20Vrms |
| Total Beam Angle -6dB |
55° 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. 250ST/R240 |
Aluminum Housing |
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Copyright (c) 2005 Pro-Wave Electronic Corp. All rights reserved.