Ocean and River Instruments

RINKO Series

The 90% response time of our phosphorescent DO sensor (RINKO) is less than 1 second *1. With the conventional DO sensors, due to their slow response time, the DO sensors should stay at the same depth for a while. With RINKO, a continious profile with 0.5 m/sec speed (similar to the standard CTD profile) can be conducted without any problems.
*1 in air at 25℃

RINKO EC(new)
RINKO EC

As a new member of the RINKO family, the robust RINKO EC (model name: ARO-EC) is designed for aquatic eddy covariance measurements.The RINKO EC is an advantageous tool for eddy covariance measurements in many aquatic environments.

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RINKO FT
RINKO FT

The RINKO FT not only retains the fast response time identical to that of conventional RINKO series but also has greater accuracy and stability by incorporating high-quality multipoint calibration and improved sensing method.

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ARO-PR(new)
ARO-PR

The Portable optical DO meter makes use of the fast-response optical DO sensor RINKO, maintaining its high-speed response performance (99% response < 7sec).

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RINKO I / I D
RINKO I / I D

Rinko I is an autonomously deployable data logger with a fast response optical DO sensor.

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RINKO II / II D
RINKO II / II D

Rinko II is a digital output version with the fast optical DO sensor.

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RINKO III
RINKO III

Rinko III is an analog version with the fast optical DO sensor and a temperature sensor.

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RINKO-Profiler
RINKO-Profiler

Provided with fast-responding DO sensor as standard.

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AAQ-RINKO
AAQ-RINKO

The water quality profiler, AAQ 1183 has been redesigned as AAQ-RINKO with an optical fast response DO sensor.

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RINKO W
RINKO-W

RINKO W is an autonomously deployable data logger for long-term DO measurements.
The response time is approximately 15 sec.

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Ocean and River Instruments

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