
Tsurumi-Seiki
performs water measurements in a wide range of fields,
supplying the world
with accurate data and insights.
Years of experience and extensive track record
We create world-class water measurement technologies.
We create world-classwater measurement technologies.
We have developed world-class water
measurement
technologies by carrying
on
and advancing the spirit
with which our
company was founded.
Through our technological development efforts, we have
manufactured observation winches, XCTD observation
sensor for which we enjoy a 100% global market share,
measurement devices used in the Shinkai 6500,and
Deep NINJA, the world's first deep sea profiling float,
capable of working at depths of up to 4,000 meters.

We provide a compass by which our customers can achieve water quality measurement success
Problem-solving capabilities
Our dedicated staff members discover methods for solving problems and propose device designs that match our customers’ needs.
Support
We handle everything from development to maintenance, which enables us to provide dependable operation support.
User friendly
Our devices feature simple designs that are easy to use in the field, no matter the usage environment.
This philosophy is encapsulated in our orca symbol

Tsurumi-Seiki's symbol is an orca.
We chose the orca because we are sincerely dedicated to being like the orca,
the smartest, most curious, active, and bold sea animal.
Through our measurement equipment, we aim to provide users with accurate findings and insights, thereby contributing to the protection of the environment and achieving a greater understanding of the mysteries of the seas.

