NGK OCEAN OCEAN OBSERVATION MOORING SYSTEM

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Automatic Elevating Observation System
	・ Underwater Winch (Mooring Type) and Ocean Observation Buoy mutually communicate by means of acoustic signals to measure and move up/down. ・ Underwater Winch (Mooring Type) is capable of surfacing Ocean Observation Buoy in the sea. When surfacing, the measuring buoy is capable of sending the data to the mother station(Labo.) by e-mail, using NTT DoCoMo's DoPa network. ・ When a typhoon is approaching and you want to alter an elevation schedule, you may alter it by e-mail. ・ When the Ocean Observation Buoy is waiting underwater, it is mechanically coupled to the underwater winch to prevent it from being carried away.

Underwater Winch (Seabed Type)
	・ Can be installed on the seabed as deep as 2,000 m. ・ When recovering the winch, it separates a built-in weight by means of an acoustic signal to surface by itself.

Acoustic Releaser
	・ By sending an acoustic signals from an on-board control unit, a hook is unlocked to allow recovery of a mooring system. ・ Three release drive methods are available; GG(Gas Generator) method, motor drive method and wire-burn method. ・ Maximum working depth of water ranging from 500 m to 10,000 m.

Sediment Trap
	・ Designed to sample underwater particles(fecal pellet, aeolian dust etc.,) in a sampling bottle in a time series manner. ・ A sampling time may be freely set for each sampling bottle. ・ Maximum working depth of water ranging from 500 m to 6,000 m.