Takuwa Water Gate Opening Indicator and Control System

 

Takuwa is a leading company in flood control and disaster prevention in Japan. For more than 50 years, we have continued to provide technologies and solutions specialized in Japan's flood control and disaster countermeasures, "Water Measurement Techniques for Measuring Water" including water level gauges.

Takuwa Water Gate Opening Indicator

Takuwa Co., Ltd. is a living infrastructure engineering company that supports town development and the process of growth of the country by technologies that accurately measure the water level in the living area and its effective utilization solutions.

WATER GATE OPENING INDICATOR Shaft-Rotation Type STX100 Series

STX100 Series is a water-gate opening indicator by measuring a shaft rotation of hoisting device of water gate (suitable for Sluice,Radial).

Measured data is indicated by a hand on large scale board, and optional 3 type sensors (Synchro transmitter, Potentiometer, Limit switch) are able to mount as option for output signal. It is widely used because of high durability vibration, temperature and noises.

STX100 Series is a water-gate opening indicator by directly measuring a shaft rotation of hoisting device of
water gate (suitable for Sluice, Radial).

Measured data is indicated by hand on large scale board, and optional 3 type sensors (Synchro transmitter,
Potentiometer,Limit switch) are able to mount as option for output signal.

It is widely used because of high durability against vibration, temperature and noises.

Future :

  • Wide Measuring Range (30 meter is possible)
  • Available for Radial gate and Sluice gate
  • Good Visibility by Analog Wide Indicator
  • Optional 3 type sensors can be embedded (Synchro transmitter, Potentiometer, Limit switch)
  • High durability by simple mechanical structure
  • Rainproof enclosure (IP23)
  • Max.1/200 reduction gear can be embedded depending on condition of rotation input.

Catalog Takuwa Gate Opening Indicator

Water Gate Opening Shaft-Rotation Type NTX210 Series

NTX210 Series is a gate opening indicator by directly measuring a shaft rotation of the water gate hoist.
Also available for submersible Derricking gate because of water-resistant structure (up to 10m depth).
Synchro transmitter can be mounted for output signal.

Future :

  • Direct input of shaft rotation of gate hoist
  • Water-resistant structure (up to 10m depth)
  • Available synchro transmitter (type 86G)
  • Selectable reduction gear ratio (6/1~1/10)

Catalog Shaft Rotation Takwa NTX210 Series

Shaft-Rotation Type NTX400 Series Water Gate Opening system

NTX400 Series is floor and compact type gate opening indicator by directly measuring a shaft rotation of gate hoist.
Synchro transmitter is mounted for output signal.
Available for Radial gate and Sluice gate.

Future :

  • Compact size
  • Rainproof structure
  • Selectable synchro transmitter type (86G, 86DG, 23TX)
  •  Selectable reduction gear ratio (6/1 to 1/36, 1/36 to 1/1296)

Catalog Takuwa NTX400 Shaft Rotation water gate system

 

Wire-Spring Type RTX1000 Series

RTX1000 Series is water gate opening indicator by measuring a length of paying-out of wire which is directly connected to the gate body, and  wire loosening will be rolled up by a spring.
Can be installed at existing gate regardless of water gate hoisting-device.

Measured data is indicated by hand on large scale board, and optional 4 type sensors (Synchro transmitter, A/D-converter, Potentiometer, Limit switch) are able to mount as option for output signal.
It is widely used because of high durability against vibration, temperature and noises.

Future :

  • Directly measurement of the gate position by dedicated wire
  • Wire tension is secured by spiral spring and no need for counterweight
  • Accuracy is not affected by conditions of gate hoist
  • Can be installed at existing gate
  • Max. 12 m measuring range(Normally 10 m or less)
  • Good visibility by analog indication
  •  Optional 4 type sensors can be embedded (Synchro transmitter, A/D-converter, Potentiometers, Limit switch)
  • High durability due to simple mechanical structure
  • Available for radial gate and sluice gate
  • Rainproof enclosure (IP23)

Catalog Takuwa  Wire-Spring Type RTX1000 Series

Limit Switch Box MD200 Series

MD200 Series is a limit switch box which output contact signals depends on the gate opening, it is suitable for accurate gate operation.
Two type epicyclic cam will make limit switches depending on rotation of the disk by inputting a shaft rotation of the gate hoist

Signal Converter GLCW Series

GLCW series is a signal converter from Synchro to Digital for output to external equipment.
It has many useful functions for adjustment of gate opening indicator.
Non-linearity scale conversion table can be set up and it is suitable for the radial gate.

Future :

  • Conversion from the Synchro to the BCD signal (by Absolute value)
  • Arbitrary scale adjustment (Zero adjustment, Free scale, Level offset)
  • Non-linearity scale conversion table can be set up easily by PC software and installed it to the GLCW through the SD card.
  • Self-Diagnosing function (ERR code is displayed)
  • Small size and lightweight

Catalog GLCW series Takuwa Signal Converter 

Takuwa Digital Indicator DU300A Series

DU300 series is digital data display for gate opening from A/D converter, it has high visibility and suitable for gate control panel.

Future :

  • Vivid LED display and large character size (26mm)
  • Suitable for data display on the gate control panel
  • Up to 5 digits can be displayed
  • No Reading Error on 1cm interval

Catalog takuwa DU300A Digital display indicator

Takuwa Synchro Signal Converter SLDC4C Series

SLDC4C series is a data converter from Synchro into Analog (4 to 20 mA / 0 to 10V).  Adjustment functions are equipped for analog output. Terminal blocks are on the front panel and wiring is easy

Future :

  • Convert the Synchro to Analog signal (4-20mA, DC0V~10V, DC0V~5V DC-5V~+5V DC-10V~+10V)
  • Easy adjustment of output analog signal
  • Small temperature coefficient
  • Zero hold function
  • Upper limiter function
  • Small size and lightweight

Catalog SLDC4C takuwa Synchro Signal Converter 

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