The underwater acoustic beacon features a 37.5 kHz operating frequency and can function at depths up to 20,000 feet. It has a minimum useful life of six years and operates for at least 30 days. Constructed from durable aluminum, it is powered by a replaceable lithium battery and is suitable for fresh or saltwater use.
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Overview
The DK140 operates at 37.5 kHz and functions from surface to depths of 20,000 feet (6096 meters). It has a 6-year battery life in storage before replacement is needed. Upon immersion, it emits a 160.5 dB acoustic pulse for effective search and recovery. The pulse repetition rate meets or exceeds general performance requirements for non-certified applications.
Features & Benefits
Deep operating depth functional to 20,000 feet (6096 meters) for deep-ocean location needs
High acoustic output with initial 160.5 dB ensuring long-range detectability
Long useful life with 6-year battery life reducing replacement frequency
Reliable performance with minimum 30 days continuous operation once activated
Non-TSO certification suitable for applications without TSO regulatory requirements, offering cost-effective solution
Specifications
Operating Frequency: 37.5 kHz ± 1 kHz
Operating Depth: Surface to 20,000 feet (6096 meters)
Useful Life (Battery): 6 years
Operating Life (Activated): 30 days (minimum)
Pulse Length: 9 milliseconds minimum
Pulse Repetition Rate: Not less than 0.9 pulse/second minimum
Acoustic Output, Initial: 160.5 dB (1060 dynes/cm² rms pressure at 1 m)
Acoustic Output, After 30 Days: 157.0 dB (700 dynes/cm² rms pressure at 1 m)
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