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The DART (Diver Attendant Recompression Transportable) is a lightweight transportable recompression chamber. The ATEL is an additional chamber compartment, which can be used in combination with the DART, allowing the attendant entry to the DART. The DART and ATEL can be ordered together and separately.
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The ULB-350 underwater beacon is a compact and cost-effective acoustic pinger designed to mark subsea equipment, underwater assets and dive locations. It provides a reliable acoustic signal that helps divers and recovery teams quickly locate marked positions, even in low-visibility conditions.
The ULB-350 underwater beacon operates as a free-running acoustic pinger and works at depths of up to 1,200 metres. It produces a continuous acoustic signal that allows divers and surface teams to locate underwater equipment with confidence.
The beacon uses a single 9-volt battery and can transmit continuously for up to 60 days. Alternatively, users can program a delayed start, allowing the beacon to operate for up to three months. This flexibility makes it suitable for both short-term and long-term underwater deployments.
The ULB-350 underwater beacon features a lightweight and compact design that simplifies transport, installation and deployment. Its small size allows users to attach it to a wide range of subsea equipment without adding significant weight or affecting normal operations.
The rugged housing withstands demanding underwater environments and delivers dependable performance during commercial diving, offshore operations and scientific research.
The ULB-350 underwater beacon supports many underwater applications. It marks subsea equipment, underwater work sites, anchors, pipelines, scientific instruments and other valuable assets. It also assists search and recovery teams by providing a reliable acoustic reference point during recovery missions.
Commercial diving companies, offshore contractors, marine researchers and hydrographic survey teams use the beacon to improve underwater positioning and increase operational efficiency.
The ULB-350 underwater beacon combines long battery life, dependable acoustic performance and flexible programming in one compact solution. It helps professionals reduce search time while improving the safety and efficiency of underwater operations.
Whether marking underwater equipment, supporting recovery operations or identifying dive locations, the ULB-350 underwater beacon delivers reliable acoustic signalling for demanding subsea environments.
For more underwater acoustic equipment and commercial diving solutions, explore our range of acoustic beacons, pingers and subsea navigation systems. Contact our specialists for technical advice and assistance in selecting the right solution for your application.
| Operating Frequency | 27, 37, and 45 kHz (±1 kHz) |
| Acoustic Output | 163 dB @ 1 m (Minimum) |
| Pulse Repetition Rate | 1 Pulse per Second (Adjustable) |
| Pulse Length | 5 ms (Adjustable) |
| Activation | Water Switch with Programmable Time Delay |
| Power Source | 9 V Alkaline or Lithium Battery |
| Operating Life | 30 Days Minimum (Alkaline) / 60 Days Minimum (Lithium) |
| Operating Depth | 4,000 ft (1,216 m) |
| Weight | 8.5 oz |
| Housing Material | HDPE |
| Dimensions | 4.5 in (11.4 cm) Length × 2.0 in (5.0 cm) Diameter |
