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Our Products

Portable acoustic digital anemometer ADC

ADC measures the flow velocity of streams, creeks, rivers and other open channels in the natural world at multiple points, and measures the amount of runoff.Reliable data can be obtained in combination with high-frequency signal processing equipment using the latest acoustic measurement principles.

ADC measures the flow velocity of streams, creeks, rivers and other open channels in the natural world at multiple points, and measures the amount of runoff.Reliable data can be obtained in combination with high-frequency signal processing equipment using the latest acoustic measurement principles.


● Automatic flow rate calculation conforms to international standards (EN ISO748, USGS standard).
● The probe has a built-in pressure sensor that automatically measures the vertical depth to support setting the correct sensor position.
● Power is supplied with a rechargeable battery pack that can be used for more than continuous 20 hours.

Electric damper (servo type) LK-120

In order to reduce the influence of waves when measuring the water level, a damper effect is obtained using a servo mechanism.

In order to reduce the influence of waves when measuring the water level, a damper effect is obtained using a servo mechanism.


● The delay time is constant regardless of the load torque.
● It can be easily combined with the water level gauge body and gears.
● A / D converter signal reliability increases.

Hot water float device LK-345

A hot water float device that prevents freezing of a highly accurate float type water level gauge.By incorporating an electric heater inside the float and heating it, only the area around the float will not freeze.

A hot water float device that prevents freezing of a highly accurate float type water level gauge.By incorporating an electric heater inside the float and heating it, only the area around the float will not freeze.


● Power saving type.
● There is no entanglement of wires.
● No need to remodel wells.
● Power supply is via an isolation transformer.
● The heater enters automatically depending on the temperature.

RS / A / D converter ADK-100 / 101 / 102

Since this A / D converter generates a signal with a reed switch and a magnet, it has excellent contact capacitance and withstand voltage.Since there is an intermittent feed mechanism and the signal does not output between 1 and 2, BCD output can be obtained without using any power supply.

Since this A / D converter generates a signal with a reed switch and a magnet, it has excellent contact capacitance and withstand voltage.Since there is an intermittent feed mechanism and the signal does not output between 1 and 2, BCD output can be obtained without using any power supply.


● No power supply is required.
● Excellent withstand voltage.
● Contact capacity is large and excellent.
● Excellent weather resistance and long life.
● Signals can be transmitted over long distances using optical transmission equipment. (option)
● 2 distribution of signals without voltage is possible. (option)

OPS optical transmission equipment C-C509 / C-C519

ADK-100 series RS / A / D converter data is optical-converted from parallel signals to serial signals, and long-distance transmission is performed with a single optical fiber cable.The received signal is converted to a parallel BCD signal.

ADK-100 series RS / A / D converter data is optical-converted from parallel signals to serial signals, and long-distance transmission is performed with a single optical fiber cable.The received signal is converted to a parallel BCD signal.


● Because it is an optical transmission system, it is not affected by lightning or power lines.
● Can transmit up to 5km with SM type single fiber.
● Because of low power consumption, it can be used with lithium batteries for about 5 years.
● Sensor battery information is also transmitted.

River runoff measurement system Q liner

Using Doppler technology, the cross section of the river is divided and each flow velocity is measured, and the flow velocity value for each depth is measured.The measured data is taken into a pocket PC by wireless communication (Bluetooth), and the outflow amount is calculated by combining the flow velocity and depth information at each point.

Using Doppler technology, the cross section of the river is divided and each flow velocity is measured, and the flow velocity value for each depth is measured.The measured data is taken into a pocket PC by wireless communication (Bluetooth), and the outflow amount is calculated by combining the flow velocity and depth information at each point.


● Measurement is possible in rivers with a river width of 1 to 30 m and a water depth of 0.3 to 5 m. (* Measurement is possible even in rivers with a depth of 20 m)
● No need to enter the river.
● Measurement is possible even in narrow places where the side walls are steep.

Leakage measurement weir  

There are two methods for measuring the amount of water leakage: a weir method and a throttle mechanism method.Weir type is often used for dams.In the case of the weir type, it is composed of a weir plate, a support plate and a waterway, and is specified in detail by JIS.

There are two methods for measuring the amount of water leakage: a weir method and a throttle mechanism method.Weir type is often used for dams.In the case of the weir type, it is composed of a weir plate, a support plate and a waterway, and is specified in detail by JIS.

 

Ultrasonic leak meter CM □ 13

It emits ultrasonic waves on the water surface, measures the arrival time of reflected waves, corrects the temperature, and obtains accurate water level data.The converter outputs a constant flow rate integrated pulse calculated from the water level data and converts it to analog to obtain the time leakage amount and the integrated water leakage amount.

It emits ultrasonic waves on the water surface, measures the arrival time of reflected waves, corrects the temperature, and obtains accurate water level data.The converter outputs a constant flow rate integrated pulse calculated from the water level data and converts it to analog to obtain the time leakage amount and the integrated water leakage amount.


● Measures without contact with the water surface.
● Water level data and flow rate data can be obtained.
● Distance measurement up to 150m (between transmitter and transmitter) is possible.
● Measures with any of triangular weir, square weir, full width weir and others.
● Instantaneous flow rate measurement is possible. (option)

Digital water level detector LS-100

The float detects the water level, and the gear mechanism drives the RS / A / D converter to obtain a digital output.By installing the optional alarm mechanism, the upper and lower limit alarm contact output can be obtained.

The float detects the water level, and the gear mechanism drives the RS / A / D converter to obtain a digital output.By installing the optional alarm mechanism, the upper and lower limit alarm contact output can be obtained.


● Because RS / A / D converter is used, BCD signal can be taken out without power supply.
● Excellent withstand voltage.
● An optical transmitter can be installed as an option.
● Alarms can be taken up to 6 points. (option)

Potentiometer type water level detector LS-200

The water level is detected by the float and the potentiometer is driven by the gear mechanism. Resistor output and current output can be selected according to the specifications. This instrument is suitable when the measurement range is relatively small.

The water level is detected by the float and the potentiometer is driven by the gear mechanism. Resistor output and current output can be selected according to the specifications. This instrument is suitable when the measurement range is relatively small.


● Operates with low torque.
● Long-distance measurement is possible with 2 core cable.
● Can measure with small diameter of φ100mm.

Bubble level gauge CBS

The main body is equipped with a piston pump and pressure measurement unit, which detects the external air pressure and the accurate air pressure inside the resin tube fixed in the water, enabling high-precision (0 to 15m ± 5mm) water level measurement. .

The main body is equipped with a piston pump and pressure measurement unit, which detects the external air pressure and the accurate air pressure inside the resin tube fixed in the water, enabling high-precision (0 to 15m ± 5mm) water level measurement. .


● Because a resin tube is used, there is no damage caused by lightning induced from the surface of the water, and there is no worry about corrosion of the sensor sensor due to water quality and water contamination.
● The pumping method prepares an accurate amount of air and enables highly accurate water level measurement.
● Equipped with analog 4 to 20mA and serial interface SDI-12 for easy connection to the system.

Suken 62 self-recording water level gauge LR-2021

It is a float type self-recording water level gauge of the Ministry of Land, Infrastructure, Transport and Tourism standard specifications.The structure is such that the water level is detected by the float, the reduction ratio is changed by the gear mechanism, and the worm and A / D converter are driven.You can read 1 cm regardless of the measurement range.

It is a float type self-recording water level gauge of the Ministry of Land, Infrastructure, Transport and Tourism standard specifications.The structure is such that the water level is detected by the float, the reduction ratio is changed by the gear mechanism, and the worm and A / D converter are driven.You can read 1 cm regardless of the measurement range.


● 1cm reading is possible regardless of the measurement range.
● The quartz watch operates on a single 2 battery for 6 months.
● BCD signal can be extracted by A / D converter without power supply.

Water pressure level gauge (built-in data logger) Orfes Mini

Equipped with a data logger function, it is a hydraulic water level gauge that is ideal for measuring groundwater levels.It can be used in groundwater pipes and wells, as well as in various applications such as rivers, the sea, and the water level in tanks.

Equipped with a data logger function, it is a hydraulic water level gauge that is ideal for measuring groundwater levels.It can be used in groundwater pipes and wells, as well as in various applications such as rivers, the sea, and the water level in tanks.


● Water level, water temperature measurement and supply power status monitoring.
● The sealed pressure element unit (sensor + logger) is connected to the communication unit with a cable for introducing external air pressure to correct atmospheric pressure, and 4MB non-volatile memory is installed to save data.

Ceramic pressure water level gauge PLS

It uses a highly accurate and extremely robust capacitive ceramic pressure cell, which causes no error even after long-term use.By installing the junction box, connected devices such as data loggers are protected from induced lightning that enters from the sensor cable.

It uses a highly accurate and extremely robust capacitive ceramic pressure cell, which causes no error even after long-term use.By installing the junction box, connected devices such as data loggers are protected from induced lightning that enters from the sensor cable.


● It can measure with full accuracy of 0.05% (during serial interface) at full scale.
● Various outputs are possible. (Analog 4 to 20mA, SDI-12, RS485)
● This is an open-air water level gauge that compensates for pressure using an external air pressure introduction tube in a dedicated cable.
● The measurement range (m) can be set for the measurement range at the analog output and the altitude, latitude, and longitude of the installation location.
● High quality and robust stainless steel housing enables long life and use in seawater.
● Can also be used as a water thermometer. (During serial output)

Radio wave level gauge FMR51

Radio waves (weak radio waves) are emitted to the surface of the water, and the water level is measured from the time it returns.Since it is non-contact, it is suitable for water level observation in rivers with a lot of driftwood and sediment.In addition, radio waves are not affected by changes in temperature or wind, so stable measurement is possible.

Radio waves (weak radio waves) are emitted to the surface of the water, and the water level is measured from the time it returns.Since it is non-contact, it is suitable for water level observation in rivers with a lot of driftwood and sediment.In addition, radio waves are not affected by changes in temperature or wind, so stable measurement is possible.


● Maintenance free. Since the setting data is stored in memory even when the power is turned off, it can be used as is when the power is restored.
● General-purpose 2 line shielded cable can be connected to the site.
● On-site displays can be used to check indicated values ​​and set equipment using the display on the equipment. Also, you can easily set up sensors, change settings, save data, and record from a PC outside the field. (option)

Crystal water level gauge C-L052

This is a differential pressure type quartz water level meter that transmits changes in water pressure to the diaphragm and corrects atmospheric pressure. At the same time, the frequency of the water temperature in the sensitive area is converted and the temperature corrected value is measured. Since the measurement range is as wide as 10m to 70m, it can be used not only for rivers, but also for dam reservoirs and reservoirs.

This is a differential pressure type quartz water level meter that transmits changes in water pressure to the diaphragm and corrects atmospheric pressure. At the same time, the frequency of the water temperature in the sensitive area is converted and the temperature corrected value is measured. Since the measurement range is as wide as 10m to 70m, it can be used not only for rivers, but also for dam reservoirs and reservoirs.


● Observation using advanced cutting technology, high-precision quartz crystal by aging.
● The detector section can be selected from 0 to 10m, 0 to 30m, and 0 to 70m.
● Mounting the board inside the detector and outputting RS485 directly enables remote measurement.
● Since the water temperature frequency outputs the pressure frequency from the detector, it can also be used as a water thermometer.
● The water level data logger is capable of high-speed processing in addition to water level measurement data, and performs multiple data processing when measured at a dam.
● In addition to internal memory, the water level data logger can be used as system equipment with various communication facilities using backup SD memory (CK-4700 / 5100) and expansion boards.

Ultrasonic water level gauge C-L300 series

This is a water level gauge that uses ultrasonic waves to detect the water surface. An ultrasonic pulse is emitted from the transducer toward the water surface, the time reflected and returned from the water surface is measured, and the water level is measured from the propagation speed of the sound wave.

This is a water level gauge that uses ultrasonic waves to detect the water surface. An ultrasonic pulse is emitted from the transducer toward the water surface, the time reflected and returned from the water surface is measured, and the water level is measured from the propagation speed of the sound wave.


● Measures without touching the water surface
● Installation is easy because no well is required.
● After installation, measurement can be performed simply by entering the measurement length.
● Upper / lower limit alarm, measurement error, and alarm are output.
● Sound matching reduces the influence of wind and snow.

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