Product overview
Enclosed transmitter / receiver pair
A 25 kHz enclosed transmitter and receiver family with a 40° typical beam for protected, directional airborne sensing.
| Center frequency | 25.0 ±1.0 kHz |
|---|---|
| Transmitter bandwidth (-6 dB) | 1.0 kHz |
| Receiver bandwidth (-6 dB) | 1.0 kHz |
| Transmitting SPL | 113 dB min. |
| Receiving sensitivity | -63 dB min. |
| Capacitance at 1 kHz | 2800 pF ±20% |
| Maximum continuous drive | 15 Vrms |
| Beam angle (-6 dB) | 40° typical |
| Operating temperature | -30 to 70°C |
| Storage temperature | -40 to 80°C |
Listed models and configurations
- 250ET250 transmitter
- 250ER250 receiver
- 250ET/R25B black aluminum housing
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.