Japanese

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Measurement and Recording Equipment

Instruments such as opening meters, flow direction meters, and synchros for position alignment are installed in river structures, and are also employed in factory production lines and cranes at construction sites. These devices contribute to stabilizing people’s lives within the circulation of water, playing an essential role in both flood control and water utilization, while supporting industries that form the backbone of daily life.

Signal Converter

This device is a water level converter that connects to quartz type, pressure type, and microwave type sensors. It is equipped with functions such as water level conversion and calculation, digital display, and external output. Operations such as setting changes can be easily performed on the front screen. Its lightweight and compact design makes it easy to integrate into control panels and other equipment. It is suitable as a converter for small scale water level observation systems such as sluiceways, sluice pipes, and water supply and sewage system facilities.

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Signal Converter
Magnetostrictive Type Opening Meter

Magnetostrictive Type Opening Meter

The position of the detector magnet, which moves along the magnetostrictive wire extended from the data conversion unit, is measured by the magnetostrictive sensor, and the displacement is output as a serial signal (SSI). The detector, which has a built in permanent magnet, moves along the magnetostrictive wire mounted on the gate, directly measuring the gate’s displacement.

The measured displacement is output to a dedicated gate opening measurement unit encoder, which then calculates the gate opening angle.

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Simple Flow Direction Meter

This sensor is installed on the walls of sluice pipes or river channels and detects the flow direction based on the inclination of the detection arm. The measurement data is output as an RS-485 serial signal. At the measurement location, the sensor’s position is continuously detected by a float switch, preventing malfunctions caused by wind, even if the sensor is exposed above the water.

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Simple Flow Direction Meter
Synchro

Synchro

Synchro is a sensor designed to meet the demands for accuracy and reliability in a wide range of systems, including remote instruction and measurement, synchronized operation, and positioning control, in the increasingly diverse field of factory automation.
It has a mechanism that induces and transmits the rotation angle magnetic field from the rotor side to the three-phase coil side of the stator. Structurally, it has a design similar to that of a small, three-phase wound-rotor induction motor.
Compared to electrical, magnetic, and optical encoders, it is a highly reliable sensor with strong resistance to vibration, temperature characteristics, and surge noise.

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