Water Level Gauge

 

Water Level Meter

Water level monitoring is a fundamental and important in the management of rivers and dams. We have a lineup of various high accuracy and durability types,so users can select type in accordance with purpose and site condition.
Until now, there is a lot of delivery record in Japan and other countries.

Magnetic Reed Switch Type (VM-10 Series)

VM-10 series is a kind of float-type water level meter. A sensor is composed with the magnet-float and the reed switches which are vertically lined at 1cm interval. It measures the water level by detecting a position of the magnet-float by turned on and off of the reed switches. Measurement upper range of a sensor is selectable from 1.0 to 3.5m. Usually it will be used in combination with a number of sensors, in proportion of water level fluctuation range of each site. This type has been used as one of standard type in Japan, because of simple structure, high durability and non-cumulative error.

Features

• ・Accuracy: ±1cm (Non-cumulative error)

• ・Simple structure

• ・High durability

• ・Measuring upper range: 1.0m to max.3.5m/1 sensor. (Use in combination with a number of sensors in proportion of water level fluctuation range)

Available sites

• 　・River Water Level Monitoring

• 　・Control for Pomp Station, Water Gate

Main Specifications

Equipment Configuration	Sensor, Line Arrester Box, Coder
Accuracy	+/- 1cm
Measurement Ranges	0 to 1.0/1.5/2.0/2.5/3.5 m (Use in combination with a number of sensors)
Output Signal of Sensor	On or Off (Decimal Base)
Functions of Coder	Functions: Averaging, Elevation Offset Signal Output: BCD, Analog, RS-232C, Contact Data Record: SD card, Printer
Power Input	AC100V or DC12V or DC24V

 

Water Level Meter

Water level monitoring is a fundamental and important in the management of rivers and dams. We have a lineup of various high accuracy and durability types,so users can select type in accordance with purpose and site condition.
Until now, there is a lot of delivery record in Japan and other countries.

Quartz type

 Quartz type is a pressure type water level gauge by using Quartz oscillator which has high accuracy, high durability, and wide measuring range. It is suitable for accurate water level observation for river, irrigation, and dam.

Features

• ・ High Accurate Measurement (selectable +-0.05 % / +-0.02 / +-0.01 % F.S.)

• ・ Wide Measurement Range (selectable 10/20/30/50/70m)

• ・ High Stability by No Aging Degradation of Accuracy, High Temperature Character

• ・ High Durability by Robust Body and Built-in Arrester

• ・ Easy Installation and Maintenance

Available sites

• ・River and Dam Water Level Monitoring

• ・Control for Pomp Station, Water Gate

Main Specifications

Equipment Configuration	Sensor, Junction-box, Signal Coder
Accuracy	0.05%F.S(Standard) 0.02%F.S(Option) 0.01%F.S(Option)
Measurement Range	10/20/30/50/70m
Temperature Coefficient at 0 point	0.0007% F.S./℃
Temperature Sensitivity Coefficient	0.0049%/℃
Dimension	240xφ60mm
Weight	approx. 3kg
Function of Coder	Functions: Averaging, Elevation Offset Signal Output: BCD, Analog, RS-485 Data Memory: SD card

Catalog  LSQN

 

Water Level Meter

Water level monitoring is a fundamental and important in the management of rivers and dams. We have a lineup of various high accuracy and durability types,so users can select type in accordance with purpose and site condition.
Until now, there is a lot of delivery record in Japan and other countries.

 

Optical Quartz Pressure Type (LSQO Series)

LSQO Series is, a kind of "Quartz pressure type", for enhancing the lightning protection. It using only optical fiber for cable of data transmission and electrical power supply by mounting the "very small optical-electric convertor" inside of the sensor.

Recently in Japan, this type has been used for dam control and flood forecasting and warning systems.

 

Features

• ・High Accurate Water Level Measurement by Using Quartz Sensor
    (Selectable from ±0.05%/±0.02%/±0.01%F.S.)

• ・High Durability by Using an Optical Fiber Cable for Data Transmission and Power Supply　

• ・Electrical Power for the Sensor Operation is Generated by "Very Small Optical/Electrical
    Converter"(Like a Very Small Solar Panel) which is Mounted inside of the Quartz Sensor

• ・Wide Measurement Range(selectable from 10/20/30/50/70m)

• ・Suitable for Mountainous Stations Where are Frequently Damaged by Lightning Surge

• ・Long Transmission Distance(sensor to coder is up to 1.5km)

Available sites

• ・Important water level station or dam gate where thunder occurs frequently

Main Specifications

Equipment Configuration	-Sensor (including optical-electric convertor) -Junction-box, -Coder (including optical source)
Accuracy	0.05%F.S(Standard) 0.02%F.S(Option) 0.01%F.S(Option)
Measurement Range	10/20/30/50/70m
Temperature Coefficient at 0 point	0.0007% F.S./℃
Temperature Sensitivity Coefficient	0.0049%/℃
Dimension	Sensor: 558xφ60mm Coder: 480W x 99H x 300D mm
Weight	Sensor: approx. 4kg Coder: approx.8.0kg
Functions of Coder	Functions: Averaging, Elevation Offset Signal Output(nomal): RS-232C or RS-422 Signal Output(option): BCD, Analog,Contact Data Record(option): SD card, Printer

Catalog:LSQO

 

Water Level Meter

It measures the propagation time of microwave pulse that is emitted toward the water surface. It is reflected and return to the sensor. Then it computes the distance between LSRM-1 and water surface by multiplying the microwave speed by 1/2 of the propagation time. The water level is determined by deducting it from the distance between LSRM-1 and the riverbed is already-known.

Microwave Type

This is a microwave water level gauge that determines water level based on the pulse propagation time. As this equipment uses microwave, it is not influenced by environmental conditions such as temperature, and can provide a atable measurement in rivers, etc.

Features

• ・Non-contact Measurement and Impervious to Driftwood and Sediment

• ・Accuracy is not Affected by Water and Ambient Temperature, Strong Wind

• ・Easy Installation and Maintenance

 

Available sites

• ・ River and Dam Water Level Monitoring

• ・ Control for Pomp Station, Water Gate

• ・ Torrential Debris Flow Monitoring 

 

Main Specification

Equipment Configuration	Transducer, Junction-Box, Thermometer, Coder
Accuracy	±10mm(over 0.5m below mounting position of flange)
Measurement Range	0-10m(for river), 0-20m(for still-water level) including dead band
Dead band	within 0.5m below mounting position of flange
Operational Temperature	Transducer: -20 to +70℃
Dimension	Transducer: W265xD265×H584mm Coder: W96xH48xD124
Output of Coder	Standard:Contact signal(when threshold over) Option    :4-20mA,BCD
Function of Coder	Data display, Scale conversion, Level Offset, Averaging
Power Input	DC12V or AC90-220V

 

Water Level Meter

Water level monitoring is a fundamental and important in the management of rivers and dams. We have a lineup of various high accuracy and durability types,so users can select type in accordance with purpose and site condition.
Until now, there is a lot of delivery record in Japan and other countries.

Optical Laser Type (LS-50)

LS-50 is a water level meter by measuring the reflection time of infrared laser between sensor and water surface, it is suitable for long-range measurement without being affected by temperature change and wind.

Features

• ・Max.50m Long-range Measurement by using infrared laser

• ・Non-contact Measurement 

• ・Impervious to temperature change and wind.

• ・High Accuracy on long range

• ・Narrow Irradiation Spot

Available sites

• ・ River and Dam Water Level Monitoring

• ・ Control for Surge-tank, Well, Tank

Main Specifications

Model	LS-50
Principle	Reflection time of infrared laser
Equipment Configuration	Transducer, Junction-Box, Coder
Accuracy	+/- 1.0cm(in 3.0-13.0m) +/- 0.1%F.S(in 13.0-50.0m, by using reflection board)
Measurement Range	3 to 50m(Unmeasurable within 3.0m from the Transducer)
Operational Temperature	Transducer: -20 to +50℃ Coder: -10 to +40℃
Dimension	Transducer: 155H × 168W × 340D mm Coder: 149H x 430W × 350D
Functions of Coder	Functions: Averaging, Elevation Offset Signal Output(Option): BCD, Analog, RS-232C
Power Input	DC12V

 

 

Water Level Meter

Water level monitoring is a fundamental and important in the management of rivers and dams. We have a lineup of various high accuracy and durability types,so users can select type in accordance with purpose and site condition.
Until now, there is a lot of delivery record in Japan and other countries.

Data Logger (TMC Series)
TMC-3000
TMC-3100

TMC series is a data logger for water level and rainfall data, which is recorded by PC card or SD card.

Features

• ・Adaptable to BCD data of water level gauge and pulse signal of rain gauge

• ・Data is recorded by PC card or CF card

• ・Record interval can be changed depending on the level of data

 

Main Specifications

Model	TMC series
Input signal	BCD of water level gauge Pulse of rainfall gauge
Display	LCD, 20 digits, 2 lines
Record intervals	1, 2, 5, 10, 15, 20, 30, 60, 180, 360 minutes
Record media	PC or CF card
Data recorder	SD card (option) Printer (option)
Power Input	DC12V

 

 

Water Level Meter

Water level monitoring is a fundamental and important in the management of rivers and dams. We have a lineup of various high accuracy and durability types,so users can select type in accordance with purpose and site condition.
Until now, there is a lot of delivery record in Japan and other countries.

Signal Coder (WLC3 Series)

WLC series is a signal coder by using in combination with various sensor.
There are many functions: signal-conversion from dedicated sensor signal to universal signal for output, data display, elevation-offset, avaraging, and data memory etc.

Features

• ・Adaptable to various sensor type (Quartz type, Reed-switch type, Pressure type)

• ・Easy operation by touch panel

• ・Many functions for adjustment of water level

• ・Various output signal for external equipment (option)

• ・Built-in data recorder(SD card or Printer) (option)

 

Main Specification

Model	WLC3 series
Display	LCD, 128 x 64 dots
Operation	Touch panel
Processing function	Averaging, Level offset
Input signal	Dedicated sensor signal  (Quartz pressure type, Reed-switch type, Ceramic pressure type)
Output signal	[Standard]    - RS232C or RS-422 [Option]    - Analog (4-20mA or 0-5V or 0-10mV)    - BCD 5 digits    - Contact signal
Data recorder	SD card (option) Printer (option)
Dimension	149H x 430W × 350D mm
Power Input	AC100V or DC12V or DC24V

 

 

Water Level Meter

Water level monitoring is a fundamental and important in the management of rivers and dams. We have a lineup of various high accuracy and durability types,so users can select type in accordance with purpose and site condition.
Until now, there is a lot of delivery record in Japan and other countries.

Staff Gauge

TAKUWA’s staff gauges have high visibility for manual water level observation with less reading error.

Features

• ・ Simple and conspicuous

• ・ Very low cost

• ・ Easy to replace in case of failure

 

Main Specifications

Model	SG series
Dimension	W120 x t2 x H1000
Colors	White, Yellow, Red, Green, Orange (Base color: Blue)
Material	Aluminum or Stainless
Custom order	Gradient type Wide type

Catalog: SG

 

Sabo Sensors for debris flow and landslide

Sabo Sensors (for debris flow and landslide)

Sediment disasters occurred by heavy rain and earthquake could inflict a serious damage to human life and property.

For mitigate or prevent sediment disaster, it is necessary to monitoring a sediment movement by using detecting sensors.

We have a lineup of various sensors for monitoring of debris flow, landslide, and landslide-dam

Its delivery records are  in Japan and Asian countries.

Wire Sensor (For debris flow detection)

Wire sensor is for detecting a debris flow directly by cut of a wire which is strung in the cross section of torrent. Detected signal can be output to the warning siren device for evacuation information.

Features

• ・ Direct and Secure Detection of Debris Flow

• ・ Detected Signal can be Output to Warning Device for Evacuation of Downstream Residents

• ・ Simple Structure and High Durability

• ・ Easy Installation and Maintenance

Available sites

• ・Debris flow detection at torrent

• ・Landslide detection

Main Specifications

 

Model	CDWS-1464-21
Equipment Configuration	Wire, Control unit
Input	Max 5ch of wire
Output signals	Contact signal  -Detection: 5point  -Parity: 1 point  -Start: 1 point  -Line voltage reduction: 1 point
Functions	-Input signal check -Output signal check -Prevention of Chattering
Power supply	DC12V (10.5~16.0V)
Dimension(Control unit)	280W×220H×142Dmm
Weight(Control unit)	Approx. 2.5kg

Catalog: CDWS

 

 

 

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