Specifications
The DK140 is a Non-TSO version of the underwater acoustic locating beacons.
For TSO ULB products, please see the DK290 information page.
Beacon Specifications
| Operating Frequency: | 37.5 kHz ± 1 kHz |
| Operating Depth: | Surface to 20,000 feet (6096 meters) |
| Pulse Length: | 9 milliseconds minimum |
| Pulse Repetition Rate: | 0.9 pulse/second minimum |
| Useful Life: | 6 years |
| Operating Life: | 30 days (minimum) |
| Acoustic Output, Initial: | 1060 dynes/cm2rms pressure at 1 meter (160.5dB) |
| Acoustic Output, After 30 Days: | 700 dynes/cm2rms pressure at 1 meter (157.0 dB) |
| Operating Temperature: | +28°F to +100°F (‐2.2°C to +37.8°C) |
| Actuation: | Fresh or salt water |
| Radiation Pattern: | Rated output over 80 percent of sphere |
| Size: | 1.30" diameter x 2.97" long (3.30 cm diameter 7.54 cm long) |
| Weight: | Less than 4.9 oz (139 grams) (including battery) |
| Material: | 7075‐T6 Aluminum, chromate (clear) finish |
| Power Source: | Lithium Battery, single cell. Factory or user replaceable. |
| Storage Temperature: | ‐67°F to +160°F (‐55°C to +71°C) |