It can observe the level of an underwater structure.

・It is a highly precise level meter to use by underwater investigation construction.
・It measure an underwater standard level with the principle of the communication pipe
・It does not take labor and time than the staff measures it either.
・Because it is underwater work by the diver, it is not controlled by weather.
・A diver, a person on the ship can confirm the result of the measurement each.

• E-Catalogue