| APM-TEC | Diameter | Construction | Using method | Nominal Frequency | S P L for transmitter | Sensitivity for receiver | Directivity | Capacitance | Detectable range | Operating Temperature | Housing material |
| mm | Hz | dB | pF | m | ℃ | ||||||
| APM-US1625TR | Open | Transmitter, receiver | 25K | ≥112(10V/30cm/sine wave) | ≥-68dBV/μMbar | 80deg | 2400±25%@1KHz | 12 | -30….+85 | Al （Black） |
