Product overview
Asymmetric-beam pulse transceiver
A 40 kHz enclosed transceiver with broad asymmetric beam options and optional temperature compensation.
| Center frequency | 40.0 ±1.0 kHz |
|---|---|
| Figure-of-merit bandwidth (-6 dB) | 2.0 kHz |
| Transmitting SPL | 100 dB min. |
| Receiving sensitivity | -80 dB min. |
| Nominal impedance | 1000 Ω |
| Ringing | 1.2 ms max. |
| Capacitance at 1 kHz | 1800 pF ±20% |
| Temperature-compensated capacitance | 3600 pF |
| Maximum continuous drive | 20 Vrms |
| Pulse drive | 100 Vp-p, 20 bursts, 25 ms repetition rate |
| Wide beam (-6 dB) | 135° typical |
| Narrow beam (-6 dB) | 75° typical |
| Operating temperature | -30 to 70°C |
| Storage temperature | -40 to 80°C |
Listed models and configurations
- 400EP18D black aluminum housing
- 400EP18DC temperature compensated
- 400EP18DCR temperature compensated with rubber sleeve
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.