| APM-TEC | Diameter | Construction | Using method | Nominal Frequency | S P L | Sensitivity | Directivity | Capacitance | Detectable range | Operating Temperature | Housing material |
| mm | Hz | dB | deg | pF | m | ℃ | |||||
| APM-USW2525T | 25 | Water proof | Transmitter | 25K | ≥100(10V/30cm/sine wave) | ≥-75dBV/μMbar | 50 | 2400±25%@1KHz | 02. Mai | -30….+85 | Al (Silver) |
