| Air Ultrasonic Ceramic Transducers |
400ST/R120 |
|
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 |
| 400ST120 |
Transmitter |
| 400SR120 |
Receiver |
| Center
Frequency |
40.0±1.0KHz |
| Bandwidth(-6dB) |
2.0KHz
(Tx), 2.0KHz(Rx) |
Transmitting
Sound Pressure Level
at 40.0KHz; 0dB re 0.0002µbar per 10Vrms at 30cm |
115dB
min. |
| Receiving
Sensitivity at 40.KHz 0dB=1 volt/µbar |
-67dB
min. |
| Capacitance at 1KHz ± 20% |
2400pF |
| Max.Driving
Voltage(cont.) |
20Vrms |
| Total
Beam Angle -6dB |
85°
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. 400ST/R120 |
Aluminum Housing |
| 2. 400ST/R12P |
Plastic Housing |
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