Product overview
Enclosed transmitter / receiver pair
A 40 kHz enclosed family with a 30° typical beam and housing options including stainless steel.
| Center frequency | 40.0 ±1.0 kHz |
|---|---|
| Bandwidth (-6 dB) | 1.0 kHz |
| Transmitting SPL | 115 dB min. (107 dB min. SUS316) |
| Receiving sensitivity | -70 dB min. (-72 dB min. SUS316) |
| Capacitance at 1 kHz | 2800 pF ±20% |
| Maximum continuous drive | 20 Vrms |
| Beam angle (-6 dB) | 30° typical |
| Operating temperature | -30 to 70°C |
| Storage temperature | -40 to 80°C |
Listed models and configurations
- 400ET250 transmitter
- 400ER250 receiver
- 400ET/R25B black-painted housing
- 400ET/R25S SUS316 stainless-steel 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.