拓和 List of Products and Services

The "BCPS-40" is a drop-type water level observation buoy that can be transported by drone and deployed from the air, allowing for rapid initiation of water level monitoring even when access roads to river blockages are cut off due to earthquakes or other events. Since there is no need for workers to operate on the ground, it helps prevent secondary disasters. Additionally, it can be installed in the center of the flooded area of the river blockage, which reduces the risk of equipment damage or loss due to sediment inflow from the riverbanks. 【Features】 ■ Can be transported and installed using drones or helicopters ■ Monitoring of observation data such as water levels using reception software ■ No need for workers to operate on the ground, thus preventing secondary disasters *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "VM-10AS" is a digital water level measuring column capable of accurate measurements. Internally, it has reed switches built in vertically for each measurement unit (1 cm). In response to changes in water level, the float moves up and down, and the reed switches are activated by the action of the magnet attached to the float. The water level is converted into an electrical signal, which is input to a digital coder installed at a remote location, allowing for outputs such as BCD. 【Features】 ■ Accurate measurement ■ Measurement accuracy of ±1.0 cm, regardless of measurement range ■ Simple measurement principle ■ Conversion of water level to electrical signal through the ON/OFF of the magnet and reed switch *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "TUV SERIES" is a flow velocity meter that utilizes the propagation of ultrasonic waves in rivers. The flow velocity is measured by the difference in time taken for ultrasonic waves emitted from upstream and downstream to propagate, which is affected by the flow. After being input into the flow meter converter, it is output as a serial signal. Flow rate data is processed in conjunction with externally input water level data, allowing for high-speed computational output. 【Features】 ■ Ultrasonic propagation time difference method ■ High-precision measurement through digital processing ■ Measures flow velocity in rivers and channels ■ Flow rate calculation is possible by inputting water level data *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "QSR Series" is a pressure-type water level gauge that utilizes a quartz crystal oscillator. The quartz crystal oscillator changes its resonant frequency linearly in response to the applied water pressure, and due to its large rate of change, it enables high-precision and stable water level measurement. The quartz water level gauge with temperature compensation measures water temperature using one temperature sensor inside the water level gauge sensor and five sensors within the sensor cable, totaling six temperature sensors. By performing density compensation with a dedicated water level gauge recorder, it is possible to maintain high precision even in cases where the water depth is deep, such as in dams, and there are temperature differences in the water. 【Features】 ■ High precision and stability ■ Elimination of density difference effects ■ Water temperature measurement and density compensation with six temperature sensors ■ Easy installation and maintenance ■ Temperature sensors integrated into the water level gauge sensor cable *For more details, please refer to the PDF materials or feel free to contact us.

• Other measurement, recording and measuring instruments

Underground, there are various sounds such as the flow of groundwater, the friction of gravel, the movement of insects, and the sound of the wind. The "GAS-04" is an underground water flow measurement device that can reduce various noises underground through noise-cut filters and volume adjustment, allowing for the extraction of the sound of underground water flow. Due to the nature of underground water flow increasing near water channels, it is expected to be applied in various cases where identifying the location of water channels and the flow of groundwater is a concern. 【Features】 ■ The measured sound can be digitized and imported into a computer ■ Dustproof, operational from -10°C to 50°C ■ Powered by four AA batteries ■ Simple configuration with a pickup sensor, measurement recorder, and earphones *For more details, please refer to the PDF document or feel free to contact us.

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The "OPR-1500" is a pavement freezing detector that can measure even when a single laser beam may cause a malfunction, thanks to its multi-point scanning type. By measuring the pavement height and reflected light intensity with a laser scanning sensor, and measuring the pavement temperature with a radiation thermometer, it determines the pavement conditions (frozen/snowy/wet/dry/slushy). Therefore, it is suitable for road surface condition management and timely snow removal support. 【Features】 ■ Laser scanning type ■ Non-contact type ■ Compact design ■ Simultaneous measurement of pavement height ■ Can be installed on the roadside ■ Less affected by weather *For more details, please refer to the PDF document or feel free to contact us.

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The "MSGM-10 Series" is a magnetostrictive level gauge that directly detects the opening degree with a detector that moves in conjunction with gate operation. When updating the conventional magnetic scale level gauge, it is possible to reuse the level measurement plate (aluminum frame) by standardizing the shape of the detector. It is a highly reliable product that is not affected by the gradual elongation of the wire rope or the rotational loss of the opening and closing device, and since there are no electrical components in the detector, it has fewer failures. 【Features】 ■ Directly detects the opening degree with a detector that moves in conjunction with gate operation ■ Not affected by the gradual elongation of the wire rope or the rotational loss of the opening and closing device ■ Fewer failures and high reliability due to the absence of electrical components in the detector ■ Allows for the reuse of the level measurement plate (aluminum frame) by standardizing the shape of the detector when updating the conventional magnetic scale level gauge *For more details, please refer to the PDF document or feel free to contact us.

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The "TUV・TUD Series" is a flow velocity and direction meter that utilizes ultrasonic technology. Flow velocity data is measured using the time difference method of ultrasonic propagation and is output as a serial signal after being input into the ultrasonic flow velocity converter. Flow rate data is processed in conjunction with water level data (input separately) using a high-speed computing device, resulting in signal output. Flow direction data is detected based on the flow velocity data obtained by the same principle, identifying downstream and upstream flow, and is output as contact signals from the ultrasonic flow direction converter. 【Features】 ■ Flow Meter - Measures flow velocity (flow rate) in rivers, channels, etc. ■ Flow Direction Meter - Supports gate control for openings in weirs, sluice gates, and pipes. *For more details, please refer to the PDF document or feel free to contact us.

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The "LSW Series" is a laser-based non-contact water level meter that measures distance by irradiating an infrared laser onto the measurement surface, allowing for water level measurement. By scanning the infrared laser and capturing the water surface as a plane, it can reduce environmental impacts such as rain and fog compared to conventional products. The measurement accuracy is ±1cm, and the protection rating is IP53 (dustproof and rainproof). 【Features】 ■ Non-contact water level meter that detects water levels using infrared laser ■ Scans laser light to measure the detection water surface at multiple points ■ Excludes outliers from multi-point measurement data and performs averaging to reduce the impact of environmental factors such as fog and rain *For more details, please refer to the PDF document or feel free to contact us.

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The "MIR-1" is a radio wave level gauge that measures pulse propagation time. Since it uses microwaves for measurement, it is not affected by environmental conditions or the temperature of the measurement target, allowing for stable water level measurement in rivers and similar environments. The intensity of the microwaves used in this device is classified as weak radio waves, which are not subject to radio law regulations, meaning it does not affect the human body or the environment, and there are no restrictions on where it can be used. 【Features】 ■ Stable measurements unaffected by environmental factors such as temperature ■ Uses weak radio waves that do not impact the human body or the environment ■ Simple, compact, and lightweight design (integrated transmitter and antenna) ■ Capable of non-contact measurement even in harsh environments such as debris flow hazard streams *For more details, please refer to the PDF document or feel free to contact us.

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The "CPS-A Series" is a pressure-type water level gauge that utilizes a semiconductor pressure detection method (capacitive type). It detects the water pressure that changes with the water level using a pressure-sensitive element, converts it into an electrical signal, and measures the water level. The pressure-sensitive element is made of ceramic, which offers excellent temperature characteristics, vibration resistance, and environmental durability. Additionally, its compact and lightweight design makes installation and maintenance easy, allowing for a wide range of applications. 【Features】 ■ Compact and lightweight pressure-type water level sensor that is easy to handle ■ Built-in lightning protection board, resistant to lightning ■ Robust design using stainless steel material *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce our optical quartz water level gauge, the "OPQS Series." The optical quartz water level gauge converts frequency signals from a quartz crystal oscillator into optical signals (SM) within the sensor's E/O conversion section for transmission. This product has a built-in battery inside the sensor to serve as the power supply for the sensor. The quartz crystal oscillator used in the water level measurement section changes its resonant frequency linearly in response to the applied water pressure, and due to the large rate of change, it enables highly accurate water level measurement. 【Features】 ■ High Precision: Utilizes the principle of the highly regarded quartz water level gauge for accurate water level measurement. ■ Lightning Protection: Uses optical fiber for data transmission between the sensor and the converter. *For more details, please refer to the PDF document or feel free to contact us.

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The "QS Series" is a pressure-type water level gauge that utilizes quartz oscillators, which serve as the frequency standard for clocks and communication devices. It applies water pressure, which changes with the water level, to the quartz oscillator, and obtains the water level from the oscillation frequency that varies accordingly, enabling high-precision measurements. Additionally, it eliminates conversion errors due to aging changes in diaphragms and other components commonly found in traditional pressure-type water level gauges. With a measurement range of 10m to 70m using a single sensor, it is suitable for use not only in rivers but also in dams, reservoirs, and tide levels, offering excellent economic efficiency. 【Features】 ■ Maximum accuracy of 0.01% F.S. High precision and reliability from quartz oscillators ■ Easy installation on embankments and structures ■ Simple maintenance management ■ GPS (optional) for clock calibration *For more details, please refer to the PDF materials or feel free to contact us.

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The "GWD2 type" detects occurrences by stretching wires across a stream, allowing debris flows (mud flows) to pass through the cross-section and cut the wires. By stretching multiple wires (up to 5 measurement lines) in the direction of the riverbed elevation, it is possible to estimate the scale of the flow. Additionally, it can be installed in areas where debris flows are expected, and by notifying with sirens or rotating lights simultaneously with detection, it can assist in alerting and evacuation. 【Features】 ■ Direct detection of debris flows (mud flows) ■ Estimation of scale possible by stretching multiple wires in the direction of the riverbed elevation ■ Can be used to assist in alerting and evacuation *For more details, please refer to the PDF document or feel free to contact us.

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Our "IoT Water Level Meter" is a water level meter compatible with the IoT communication standard LoRaWAN. Advanced technology addresses the challenges of installation and maintenance costs associated with observing water levels, rainfall, and landslide disasters. Additionally, by utilizing LoRaWAN, it enables the collection of observation information across entire watersheds, allowing for the provision of comprehensive disaster prevention information. 【Features】 ■ Compact ■ Low cost ■ LoRaWAN compatible ■ Easy installation ■ Inexpensive maintenance ■ Maintenance-free *For more details, please download the PDF or feel free to contact us.

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