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Facilities and Equipment in Yokosuka Headquarters

Hyperbaric Chambers


  1. Purpose of the instrument
    This instrument can reproduce pressure conditions of the deep sea down to a 15,000m depth. It is used for fatigue tests, pressure-tolerance tests, and operation tests for various deep-sea instruments and materials, to Increase the reliability of deep-sea instruments and materials.
    Effective dimensions:
    1.4m (inner diameter) × 3m(length) (5.04 in volume)
  2. Pressure device
    Item Explanation
    Pressure device Max pressure 147MPa
    Supply speed 0.39~3.9MPa/min
    Medium Fresh water
  3. Monitoring device
    Item Explanation
    Monitoring device Room monitor TV camera (tank room, pump room)
    Chamber monitor Underwater TV camera (optional)
    Others Pressure, temperature
    Operating apparatus Ceiling crane 20T/3T 1/unit


Pressure tests for instruments using in deep sea.
Pressure tests for housing, buoy, etc.