Product overview
Transmitter / receiver pair
A 25 kHz open-face family with a 55° typical beam for directional airborne ultrasonic sensing.
| Center frequency | 25.0 ±1.0 kHz |
|---|---|
| Transmitter bandwidth (-6 dB) | 1.5 kHz |
| Receiver bandwidth (-6 dB) | 1.8 kHz |
| Transmitting SPL | 115 dB min. |
| Receiving sensitivity | -60 dB min. |
| Transmitter capacitance at 1 kHz | 3000 pF ±20% |
| Receiver capacitance at 1 kHz | 2400 pF ±20% |
| Maximum continuous drive | 20 Vrms |
| Beam angle (-6 dB) | 55° typical |
| Operating temperature | -30 to 70°C |
| Storage temperature | -40 to 80°C |
Listed models and configurations
- 250ST240 transmitter
- 250SR240 receiver
Catalog source: Specifications are transcribed from the 50-page Advantage TMS / Pro-Wave website catalog reviewed July 28, 2026. Values are typically stated at 25°C unless noted. Always request the current controlled datasheet, drawing, and revision before design release or purchase.