| APM-TEC | Diameter | Construction | Using method | Nominal Frequency | S P L | Sensitivity | Directivity | Capacitance | Detectable range | Operating Temperature | Housing material |
| mm | Hz | dB | pF | m | ℃ | ||||||
| APM-US1040R | 10 | Open | Receiver | 40K | ≥103(10V/30cm/sine wave) | ≥-70dBV/μMbar | 80deg | 2000±25%@1KHz | 0.2…6 | -30….+85 | Plastic |
