| APM-TEC | Diameter | Construction | Using method | Nominal Frequency | Sensitivity | S P L | Directivity | Capacitance | Allowable input voltage | Detectable range | Operating Temperature |
| mm | Hz | dB | pF | Vp-p | m | ℃ | |||||
| APM-US1640TR | 16 | Open | Transmitter/Receiver | 40K | ≥-68V/u Mbar | ≥115(10V/30cm/sine wave) | 80deg | 2400±20%@1KHz | 150(40KHz) | 18 | -20….+70 |
