東邦電探 List of Products and Services

The "ETR-12 model" is a wireless transmission float-type water temperature monitoring device designed to be installed in water areas such as dams, lakes, and coastal regions where wired connections are difficult. It automatically measures water temperature over an extended period. The water temperature detection unit is suspended from the float and powered by dry batteries, with data transmission sent wirelessly to the land, eliminating the need for communication and power cables, and allowing for easy mooring to existing facilities. By installing multiple water temperature detection units, measurements at different depths can also be achieved. 【Features】 ■ Precise measurement using thermistors ■ Surface-following via float suspension ■ Detection unit powered by dry batteries ■ No cable installation required due to wireless transmission ■ Mooring to existing float platforms or net areas is also possible *For more details, please download the PDF or feel free to contact us.

• Water quality/pH measuring device

The "TK-115 type" is a stationary electromagnetic flowmeter installed in rivers, irrigation channels, drainage channels, etc., that measures flow velocity over extended periods. It allows for real-time reading of measurement values. With no moving or wear parts, it provides precise measurements from low to high flow velocities. Additionally, the detection unit's cap tire cable is not exposed to water, eliminating concerns about disconnection. 【Features】 ■ No moving or wear parts ■ Precise measurement from low to high flow velocities ■ No concerns about disconnection as the detection unit's cap tire cable is not exposed to water *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "TK-125 type" is a gate management system and river flow direction and velocity meter installed in locations where backflow of river water occurs, such as tidal rivers and sluice gates. It automatically measures both forward and reverse flow continuously over long periods using an electromagnetic flow velocity detection mechanism. The output signals from this product are used for controlling the opening and closing of sluice gates and other applications. Please feel free to contact us if you have any inquiries. 【Features】 ■ No moving parts or wear components ■ No concerns about objects getting tangled *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "TK-121X model" is a portable current direction and velocity meter designed to measure tidal currents (direction and speed) in estuarine and coastal areas. It can directly suspend the detection unit using a captyre cable, allowing for three-dimensional measurements to investigate multi-layered flow conditions. Additionally, it is easy to handle, has a built-in memory function, and can display current direction and speed simultaneously. 【Features】 ■ Easy to handle ■ Adopts an electromagnetic two-component velocity detection mechanism and an electronic direction detection mechanism ■ Built-in memory function ■ Large, easy-to-read LCD display ■ Simultaneous display of current direction and speed *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "TK-122 type" is a stationary current meter used for measuring tidal currents (direction and velocity) over long periods in locations such as seabeds and ocean observation towers, with digital display and external output capabilities. It is equipped with a two-component electromagnetic velocity detection mechanism, an electronic orientation detection mechanism, and vector calculation functions for these components. There are no movable or wear parts, and installation and maintenance can be performed only on land, eliminating the need for divers. 【Features】 ■ No movable or wear parts ■ Adoption of electromagnetic two-component velocity detection mechanism and electronic orientation detection mechanism ■ Special design that is unaffected by noise and magnetic materials ■ Installation and maintenance can be performed only on land (no divers required) *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "ETR-11 type" is a stationary water temperature monitoring device that is installed in dams, lakes, rivers, wells, coastal areas, etc., and automatically measures water temperature over a long period of time. The detection unit is compact, lightweight, and can be easily installed in existing facilities and other small spaces. Additionally, the detection unit can be directly suspended using a cap tire cable. 【Features】 ■ Immersion-type detection unit ■ Precise measurement using a thermistor ■ Direct suspension of the detection unit using a cap tire cable *For more details, please refer to the PDF document or feel free to contact us.

• Monitoring and Control Equipment

The "WD-521 type" is an underwater radiation concentration automatic observation device that can measure and monitor the radiation concentration in water in real-time. It can automatically manage water quality in water treatment facilities, dams, rivers, and other locations. The detection unit is installed underwater and connected to the measurement control unit via a cable. Additionally, the measurement data is output externally from the measurement control unit via RS-232C or RS-485. 【Features】 ■ Measures radiation counting rates using NaI scintillators and continuously detects radiation concentration using conversion factors. ■ Capable of constant monitoring of radiation concentration from low levels, even in flowing conditions or during sudden changes in radiation concentration. ■ The detection unit can be installed regardless of the presence of a measurement shielding tank. ■ With optional simultaneous measurement of turbidity and water temperature, changes in radiation concentration in even lower concentration ranges can be detected instantaneously. *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "WE-3002 type" is an airborne launch wave height gauge installed in ports, coastal areas, and on offshore working vessels, designed to measure and monitor sea conditions (wave height, tide level) over long periods. It emits microwaves towards the water surface and detects the frequency difference of the microwaves reflected back from the surface to measure wave height (FMCW method). Additionally, the detection unit measures the wave surface without coming into contact with seawater (non-contact measurement), eliminating concerns about the attachment of marine organisms, and daily maintenance work is unnecessary. 【Features】 - Directly measures the distance to the water surface, allowing for direct observation of wave surface fluctuations, including tide level changes. - Not affected by temperature, atmospheric pressure, or wind, eliminating the need for temperature (sound speed) correction. - Specially designed and manufactured to be capable of measurement during whitecap formation and adverse weather conditions (dense fog, heavy rain). - Installation can be easily performed offshore (in the air) without the need for underwater work by divers. *For more details, please refer to the PDF document or feel free to contact us.*

• Other measuring instruments

The "FNW-522 model" is an easy-to-install turbidity monitoring device. The light beam emitted for turbidity measurement has a large diameter of 17mm. Therefore, even if slightly larger particles of debris mix into the water being measured, it does not significantly affect the turbidity value. Additionally, the sensors used in this product condense the field knowledge gained over a long period since the installation of the first unit into a lightweight and compact form. 【Features】 ■ Transmission scattering light method with minimal influence from particle size and color ■ Light beam monitoring function that self-controls the light output of the light source ■ Waterproof technology that allows the wiper to operate even at a water depth of 300m ■ Wiper cleaning mechanism that "prevents dirt" rather than "removes dirt" ■ Accuracy of ±2 degrees in normal river turbidity ranges *For more details, please refer to the PDF materials or feel free to contact us.

• Monitoring and Control Equipment

The "STC-2X model" is a portable salinity meter designed to measure water temperature and salinity in ports, coastal areas, and similar environments. With its immersion-type detection unit, it can measure quickly and accurately without disturbing the natural distribution. The display unit complies with protection rating IP65, offering high waterproof and dustproof performance. 【Features】 ■ Built-in memory function ■ Drip-proof structure ■ Large, easy-to-read LCD display ■ Direct reading ■ Immersion-type detection unit (special electrode type) ■ Portable *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "EST-3X model" is a portable conductivity meter that measures electrical conductivity and water temperature in lakes, rivers, groundwater, and other bodies of water. The detection unit and the cap tire cable are specifically designed to withstand high water pressure and tension. As a result, measuring the distribution at different water depths is also easy. 【Features】 ■ Built-in memory function ■ Drip-proof structure ■ Large and easy-to-read LCD display ■ Immersion-type detection unit (special electrode type) ■ Portable ■ Conductivity conversion function at 25°C *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "PH-30X model" is a portable pH meter designed to measure pH levels in lakes, rivers, groundwater, and coastal areas, as well as OPR using the OR-60X model. The detection unit and the cap tire code are specifically designed to withstand high water pressure (compatible with depths of 100m) and tension, making it easy to measure depth-specific distributions. It features a drip-proof structure and has a built-in memory function. 【Features】 ■ Built-in memory function ■ Drip-proof structure ■ Large, easy-to-read LCD display ■ Immersion-type detection unit ■ Usable at great water depths ■ Portable *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "DO-70X model" is a portable DO meter that measures dissolved oxygen in various water environments such as lakes, rivers, oceans, and water treatment facilities. The measurement is done using a maintenance-free optical method, allowing for stable measurement values. Additionally, the detection unit is designed to withstand high water pressure (compatible with depths of 100m) and tension, making it easy to conduct depth-specific distribution measurements. 【Features】 ■ Built-in memory function ■ Automatic temperature compensation mechanism ■ Usable in deep water ■ Indicator unit = compact, lightweight, and drip-proof design *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "ET-50X model" is a portable thermometer designed to measure water temperature in lakes, rivers, coastal areas, and wells. It features a thermistor with excellent response speed housed in a metal case, designed as a probe-type product. The detection part and the cap tire cord are engineered to withstand high water pressure and tension. Additionally, we also offer the "ET-60X model," which allows for high-density measurements in high-temperature and high-pressure conditions for wells, and the "ET-72X model," which can simultaneously measure water depth. 【Features】 ■ Built-in memory function ■ Drip-proof structure ■ Large, easy-to-read LCD display ■ Easy to handle ■ Portable *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "FNX-80 model" is a portable turbidity and water temperature meter designed to measure turbidity in lakes, rivers, and coastal areas. Its compact, lightweight, and probe-type design makes it easy to use for field measurements, and it is widely used in environmental surveys and other applications. Additionally, water temperature measurement is a standard feature of the product. 【Features】 ■ Built-in memory function ■ Splash-proof design ■ Large and easy-to-read LCD display ■ Portable ■ Simple zero point adjustment *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "CMS-11CW type" is a portable flow meter for wells designed to investigate the water inflow rate from aquifers in boring pits. The detection unit is designed in a shape convenient for measurements during pumping tests. Additionally, this product is also used for measuring vertical flow rates in lakes, coastal areas, and similar environments. 【Basic Specifications】 ■ Measurement Range: 0.03 to 1.00 m/s ■ Flow Rate Value Averaging Time: Selectable settings of 2, 5, 20, 40, and 60 seconds ■ Memory Function: Capable of importing up to 10,000 data points (time + measurement value) to a computer ■ External Output: USB 2.0 standard output ■ Power Supply: Two AA batteries (approximately 24 hours of continuous use) or included AC adapter (5V) *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "CM-1AX type" is a portable electric flow meter designed to measure flow velocity in flood and high-velocity areas of general rivers and waterways. It features a propeller section with significant water resistance positioned at the rear to achieve excellent stability, and it is designed for use in high-speed flows with many small stones and driftwood, demonstrating sufficient durability even in intense water currents. Additionally, it has a drip-proof structure and incorporates a memory function. 【Features】 ■ Portable ■ Plastic molded propeller ■ Direct reading ■ Built-in memory function ■ Drip-proof structure ■ Large, easy-to-read LCD display *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "TK-106X model" is a portable small electromagnetic flow velocity meter made of a special resin that is resistant to breaking. It has a built-in electrical circuit that stabilizes the signal and cancels noise. With its special structure, it controls the magnetic field and concentrates it in the necessary areas, allowing for efficient measurements. It can also be safely used for measurements near riverbeds or water surfaces. 【Features】 ■ The top and bottom surfaces are made of stainless steel in a single structure to avoid damage to the resin parts. ■ Special resin that is resistant to breaking. ■ Built-in electrical circuit that stabilizes the signal and cancels noise. *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

A small micro flow meter that meets the Ministry of Land, Infrastructure, Transport and Tourism's standard error of 5%. The detection unit has been lightweighted and the tail fin improved, with an emphasis on directionality (balance). The indicator unit is very lightweight, at 1/4 the weight of conventional products, just like the "Tobiuo-kun." With the adoption of a high-sensitivity propeller, it can measure flow rates starting from 0.02 m/s. It is also suitable for hydropower survey applications.

• others

A portable type of soil thermometer that measures ground temperature by drilling a hole at the measurement location with the included polling stick and inserting the detection unit into it. It features a large, easy-to-read LCD display and a splash-proof design for easy handling.

• others

This product prevents changes in the solution through a double-structured electrode with sufficient volume, ensuring stable accuracy over a long period. The adoption of a 0.2mm thick hemispherical electrode membrane achieves high water pressure resistance and high response. It also demonstrates its effectiveness in direct measurement of vertical distribution, and the addition of an automatic cleaning mechanism enables long-term continuous observation.

• others

This product enables continuous monitoring of COD values through UV (ultraviolet absorbance) measurement. Its high water pressure resistance and compact design allow for direct measurements at great depths, achieving high-precision vertical distribution observations. It employs a twin-spectral method to simultaneously detect ultraviolet and visible light absorbance, correcting for the influence of suspended substances as much as possible. Measurement errors are fully compensated by constantly monitoring changes in light intensity, ensuring accurate measurements at all times.

• others

This product has dramatically improved dirt resistance due to the newly developed special 7-electrode (AC 4-electrode composite) method, enabling reliable long-term continuous automatic observation. Additionally, it ensures water permeability to quickly and accurately capture the water at the measurement points, while eliminating interference from the pH detection section. Measurement results are converted to a constant temperature. Furthermore, the measurement range has been expanded to allow for the measurement of salinity (S) or chlorine (CI) levels in estuaries and oceans.

• others

A portable direct-reading water temperature/salinity meter for measuring water temperature and salinity in ports, coastal areas, and other locations. It features a large, easy-to-read LCD display with a memory function (up to 10,000 data points: time + measurement data) and can measure quickly and accurately without disturbing the natural distribution, thanks to its immersion-type detection unit (special electrode type).

• others

A portable pH meter for measuring the pH of lakes, rivers, groundwater, and coastal waters. It features a waterproof structure with a built-in memory function capable of recording up to 10,000 data points (time + measurement data) and uses a large, highly visible LCD display.

• others

A current velocity and direction meter that measures tidal currents (flow speed and direction) over a long period at locations such as seabeds and ocean observation towers, displays the data digitally, and outputs it externally. It is equipped with a two-component electromagnetic flow velocity detection mechanism, a non-contact magnetic direction detection mechanism, and vector calculation functions for these components. Additionally, it has no movable or wear parts, making maintenance easy.

• others

By adopting a transmission and scattering light calculation method, the influence of the color of suspended substances is minimized. The light beam from the light source is enlarged to φ17mm and made uniform, eliminating variations caused by unevenness in the suspended substances. The glass surface with optical lenses is slightly protruded through special processing, and with a wiper-type automatic cleaning system, dirt and bubbles are completely removed. The material used is stainless steel, further enhancing durability.

• others

A portable electric water quality meter that measures electrical conductivity and water temperature in lakes, rivers, and groundwater. The immersion-type detection unit (special electrode type) and the captive tire cable are designed to withstand high water pressure and tension, making it easy to conduct depth-specific distribution measurements. It is equipped with a memory function capable of recording up to 10,000 data points (time + measurement data) and a conductivity conversion function for 25°C.

• others

A meteorological and oceanographic observation system installed on work vessels and sea berths to safely and swiftly carry out marine operations. It continuously monitors and automatically records the conditions of weather (wind direction, wind speed, temperature, humidity, atmospheric pressure, fog, etc.) and oceanographic factors (current direction, current speed, water temperature, water depth, wave height, tide level, turbidity, salinity, etc.) in a comprehensive manner, making it effective even at marine observation stations. Additionally, its long-standing track record of numerous achievements has been highly regarded. Recording methods: automatic balance type, pen writing and dot printing, or digital recording, PC.

• Work boats, research vessels, underwater work machines
• others

This product measures dissolved oxygen in oceans, lakes, rivers, and other bodies of water. As a result of enabling direct measurements at great depths, accurate vertical distribution observations have been achieved. Temperature compensation is also thorough, thanks to the temperature sensor built into the electrode. Because it uses an optical method, high precision and high response are achieved even in areas without water flow. To prevent contamination of the detection element, an automatic cleaning mechanism using a special brush for cleaning has been adopted.

• others

It is a direct immersion type fluorescence photometry method that does not require chemical treatment. Therefore, real-time measurements are possible, and stable measurements can be continuously maintained by a wiper-type automatic cleaning device.

• others

A portable dissolved oxygen meter for measuring dissolved oxygen in oceans, lakes, and rivers. It features a large, highly visible LCD display, a memory function (MAX 10,000 data: time + measurement data), and an automatic temperature compensation mechanism, all in a splash-proof structure that allows the detection unit to be used in deep water. Additionally, it enables quick response and stable measurements through an optical method.

• others

A flow meter installed in rivers, irrigation channels, and drainage channels that measures flow velocity over long periods and allows for real-time reading of measurement values. It has no moving or wear parts, enabling precise measurement from very low to high flow velocities. Additionally, it maintains high reliability, and since the detection unit's cap tire code is not exposed to water, there is no concern about disconnection.

• others

A flow meter that meets the Ministry of Land, Infrastructure, Transport and Tourism's standard error of 5%. It can handle flow rates from micro to medium with just one unit, achieving a reduction in annual running costs. This device features a newly designed detection and indication unit, with the detection unit designed to minimize water resistance, allowing for more accurate flow measurements. The indication unit is also very lightweight, at one-fourth the weight of conventional products. The measurement range is wide, from 0.03 to 3.00 m/s, making it suitable for hydropower generation surveys as well.

• others

This device is a submersible thermometer designed to measure water temperature in lakes, rivers, coastal areas, and wells, featuring a thermistor with excellent sensitivity housed in a metal case. Both the sensing part and the capillary cable are designed to withstand high water pressure and tension. In particular, the ET-60X model for wells can achieve high-precision measurements even in high temperature and high pressure (at a depth of 1,000 meters). Additionally, the ET-72X model can simultaneously measure water depth, allowing for rapid and accurate measurement of the vertical distribution of water temperature.

• others

This device measures the turbidity of lakes, rivers, and coastal waters. It is compact, lightweight, and designed for insertion into the water, making it easy to use for field measurements and widely used in environmental surveys, among other applications. Additionally, water temperature measurement is standard.

• Environmental Survey
• others

The ultra-compact electromagnetic detection unit, which allows for excellent drainage, enables precise measurements across a wide range of applications from extremely low flow rates to high flow rates. Its unmatched accuracy and high reliability, even under high-pressure conditions, have solidified its market reputation. This device has been developed as a flow meter for rivers, irrigation channels, drainage channels, etc., incorporating the unique advantages of electromagnetic technology along with a memory function, based on our many years of experience and expertise. It is specifically designed and manufactured to be ultra-compact and lightweight for use in narrow and shallow waterways. ● For more details, please contact us or download the catalog.

• others

The turbidity sensor eliminates the influence of the color of suspended solids and the variability caused by unevenness in suspended solids through a transmission and scattering light calculation method. It is equipped with a light flux monitoring function that self-controls the light intensity of the light source, and the focusing system using optical lenses achieves a large diameter light flux of 17mm. Furthermore, the wiper cleaning mechanism, which does not "remove dirt" but rather "prevents dirt from adhering," can operate even at a water depth of 300m. In normal river turbidity ranges, it demonstrates an accuracy of ±2 degrees.

• others

This device is designed to measure flow velocity in flood and high flow areas of general rivers and waterways, and it is an improved and developed version of the CM-1A electric flow meter that has been used and appreciated for many years.

• others

This device is designed for monitoring salinity in the Chichao River. It is installed in the river or nearby wells and automatically continuously measures and records changes in salinity levels due to seawater over an extended period, while also displaying the data digitally at all times. Additionally, the ESR-5 type special 9-electrode (4-electrode composite) sensor is simple and robust, with no moving parts, eliminating the need for overhauls and resulting in extremely low maintenance costs, which is its greatest feature.

• others

This device measures tidal currents (flow velocity and direction) in estuarine and coastal areas, allowing the detection unit to be directly suspended using a captive tire cable, enabling three-dimensional measurements to investigate multi-layered flow conditions and long-term automatic observations.

• others