| 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
- Instrusion 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 0.0002mbar per 10VRMs at 30cm |
115dB
min. |
| Receving
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 80° C |
| Storage
Temperature |
-40
to 85° 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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