| Air Ultrasonic Transducer - Enclosed Type |
 |
The Standard Enclosed type
transducers, are designed to be hermetically sealed and can be used for outdoor installations, as well as dusty
indoor atmospheres. The transducers consist of a metal housing with integral metal diaphragm. They operate at resonance on the first harmonic overtone. The backs of these transducers are completely sealed with resin, protecting them from exposure to the environment. Although it is constructed to be watertight, it is not recommended for use under water. |
| Model Number | Description | Center Frequency (KHz) |
Sensitivity or SPL (min.) |
Bandwidth (-6dB)(KHz) |
Dimensions (mm) |
|
250ET250 250ER250 |
Transmitter | 25.0 ± 1.0 | 113dB | 1.0 | 25.0Ø × 11.9 |
| Receiver | -63dB | ||||
|
328ET250 328ER250 |
Transmitter | 32.8 ± 1.0 | 113dB | 1.0 | 25.0Ø × 11.9 |
| Receiver | -67dB | ||||
| 400E08S | Transmitter | 40.0 ± 2.0 | 102dB | 3.0 | 8.2Ø × 4.9 |
| Receiver | -78dB | ||||
|
400ET18S 400ER18S |
Transmitter | 40.0 ± 1.0 | 110dB | 1.5 | 18.0Ø × 12.0 |
| Receiver | -70dB | ||||
|
400ET250 400ER250 |
Transmitter | 115dB | 1.0 | 25.0Ø × 11.9 | |
| Receiver | -70dB | ||||
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