Air Ultrasonic Ceramic Transducers |
250ST/R180 |
|
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 |
250ST180 |
Transmitter |
250SR180 |
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 |
112dB min. |
Receiving Sensitivity at 25.KHz 0dB=1 volt/µbar |
-62dB
min. |
Capacitance at 1KHz ± 20% |
2400pF |
Max.Driving
Voltage(cont.) |
20Vrms |
Total
Beam Angle -6dB |
95°
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/R180 |
Aluminum Housing |
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