東亜ディーケーケー List of Products and Services

At Toa DKK, we publish various helpful videos about our products on our YouTube channel and website. From the tabletop water quality meter X series, we have released helpful videos for users of the pH meter. Target models: HM-42X MM-43X "How do you calibrate pH?" When measuring pH, if you calibrate the pH meter with a pH standard solution of known pH value beforehand, you can directly know the pH value from the electromotive force generated in response to the pH. 【Keywords】 Zero calibration, span calibration, two-point calibration, pH standard solution, pH measurement

• Water quality/pH measuring device

The NT3100sc model is a nitrate meter that measures nitrate and nitrite ions dissolved in water using ultraviolet absorbance photometry. Total nitrogen discharge is regulated under water quality total amount regulations. The concentration of nitrate and nitrite ions is used as an indicator for managing the nitrification process in denitrification processes and advanced treatment in order to reduce total nitrogen discharge. The NT3100sc is suitable for managing nitrate ions in such denitrification processes and advanced treatments. Features: ■ Reagent-free measurement is possible due to the ultraviolet absorption method. ■ 215 nm ultraviolet photometer measuring nitrate and nitrite ions dissolved in water. ■ Equipped with an automatic wiper cleaning function that performs cleaning automatically at set intervals. ■ Flexible installation according to various environments; it can be used as a submerged type where the detector is directly placed in the sample water, or as a flow type using a bypass panel (optional) to supply sample water to the measurement section of the detector.

• Water quality/pH measuring device

The "DR 6000" is a spectrophotometer equipped with a variety of functions. The main unit has programmed analysis methods for heavy metals, inorganic ions, and organic substances, allowing for measurements in combination with reagents provided by HACH. Additionally, users can input their own calibration curves beyond the built-in programs. Analysis methods can be set according to the sample. 【Features】 ■ Calibration curve is pre-entered. No standard solution is required for calibration. ■ Automatically selects the measurement program and performs automatic measurements (when using TNT plus reagents). ■ Capable of various measurements such as wavelength scan measurements and time scan measurements. ■ Analysis programs are pre-installed (many dedicated reagents are also available). ■ Comes standard with a multi-cell adapter to accommodate various sample cells. *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The MAC-1600 model is a field-installed pH meter that automates the cleaning of electrodes and two-point calibration using JIS standard solutions. It enables reliable pH measurement over long periods while reducing the burden of maintenance tasks. With a two-channel measurement function that controls two detection units with a single converter, it can be used for pH control or monitoring in various plant facilities. Features: - Labor-saving maintenance: Periodic cleaning of electrodes and calibration with standard solutions helps reduce maintenance efforts. - Highly reliable pH measurement: Automatic and high-precision two-point calibration using JIS standard solutions pH 7 and pH 4 or pH 9 allows for stable continuous pH monitoring over long periods. - Supports 2-channel measurement (optional): Simultaneous measurement with two connected detection units (including liquid delivery control) allows for measurements without gaps during calibration and cleaning. - High cleaning effect with lift-up type air jet cleaning. - Appropriate and practical self-diagnosis messages: If calibration failure or electrode damage occurs, a "instrument failure" signal is output collectively. *For more details, please refer to the PDF documentation or feel free to contact us.

• Environmental Survey

The "Organic Pollution Monitor UV Meter OPM-161L" is a measuring instrument that can continuously measure the degree of pollution caused by organic substances, such as factory wastewater. The measurement results using the ultraviolet absorbance method can be utilized for calculating COD. By adopting an LED light source, it is mercury-free and has a long lifespan, which helps reduce maintenance costs. The shape has been modified to achieve a compact and lightweight detector, enhancing installation flexibility. 【Features】 ■ Supports a wide measurement range of absorbance from 0 to 2.5 Abs ■ Effective in various fields, including the food industry, water supply, and sewage ■ Utilizes a straight-shaped detector ■ Multiple installation methods available: immersion type, drop-in type, hanging type, sampling type, and winding type (using existing equipment) *For more details, please refer to the materials available for download in the "PDF Download" section. Feel free to contact us with any inquiries.

• Other analytical equipment

The AUT-801 is an automatic titration device equipped with a variety of features that support titration operations. Simply set the beaker containing the sample and press the start key to perform titration, with results output from the built-in printer and also recorded in the main unit. It includes a semi-auto mode that allows for a tactile operation similar to manual analysis, performing a consistent amount of addition while automatically controlling based on changes in electrode output, achieving titration and endpoint detection without human error. This contributes to reducing titration time, labor, and increasing efficiency. With high expandability, it can be connected to turntables and automatic sampling devices, making it suitable for a wide range of applications. Additionally, by adding devices such as burettes, a dual system for simultaneous titration of two different types (such as neutralization titration and redox titration) can be established. By connecting two sets of turntables, a multi-sample simultaneous titration system for two series can also be constructed. 【Features】 ■ Endpoint detection is possible at the point where the set titration unit or differential value is reached. ■ Up to 600 data points can be stored in the main unit (for single system). ■ The main unit comes standard with a USB port (for memory only). *For more details about the product, please refer to the documentation.

• others

The automatic titration device "AUT-801" is a new product equipped with various functions that contribute to the efficiency and speed of titration. By using optional titration burettes and stirrers, it can perform two different types of titrations simultaneously, such as neutralization titration and redox titration. Additionally, it allows for simultaneous pH measurement and neutralization titration, and can connect two sets of multi-sample measurement devices to construct a dual-series multi-sample simultaneous titration system, enabling various applications. It also offers a lineup of high-performance electrodes compatible with various titrations. 【Features】 ■ "Semi-Automatic Mode" Reduces titration time with an operation feel close to manual analysis. ■ "Set Point Detection Function" Detects the endpoint at the point where the set titration unit or differential value is reached. ■ "Data Memory Function" Can store 600 data points in the main unit (for single systems). ■ "Validation Support Function" Creates a history of pH calibration and burette capacity verification. *For more details, please refer to the catalog. Feel free to contact us with any inquiries.

• Other measuring instruments

The "TU5300sc" is a turbidity meter that has developed the knowledge and technology of HACH Corporation's turbidity measurement accumulated since 1957, adopting a new measurement method. It employs a unique measurement method that focuses on light scattered at 90° from the vial's side (360° around) in response to incident light from the bottom of the vial. It can accommodate a wide range of sample waters. 【Features】 - Adopts a comparative turbidity method that focuses on light scattered at 90° from the vial's side (360° around) in response to incident light from the bottom of the vial. - Calibration with PSL standard solution is possible. - The dehumidification function inside the instrument helps prevent fogging of optical components. - Automatic cleaning of the vial is possible with an optional automatic cleaning module. *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "CL17sc" is an intermittent continuous residual chlorine meter that employs the DPD reagent method for spectrophotometry. It is used for measuring residual chlorine in drinking water and cooling water. With low cost and low maintenance, it performs measurements at 2.5-minute intervals, ensuring speed and reliability. While there are some differences in the composition of the buffer solution compared to the DPD method specified in the drinking water testing method (as per the Ministry of Health, Labour and Welfare), it achieves a high correlation with the measurement values based on the drinking water testing method. 【Features】 ■ No sensitivity reduction due to contamination, as it uses a colorimetric method with reagents ■ Sensitivity reduction is prevented by adjusting the light intensity of the colorimeter (generally once a day) ■ Excellent maintainability, allowing for unattended operation for up to one month ■ Reagents can be used with simple preparation by dissolving powdered reagents ■ The tubes used within the instrument are packaged as a kit, making tube replacement easy *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The organic pollution monitor "OPM-161L" is a measuring instrument developed based on our over 30 years of experience and achievements, utilizing the ultraviolet absorbance method. This device measures the degree of organic pollution in wastewater discharged from factories and business establishments by determining the absorbance of ultraviolet light. The obtained values are correlated with CODMn and are used for calculating pollution load related to total water quality regulations. 【Features】 ■ Compact and lightweight - In addition to the immersion type, a new drop-in type detector installation has been adopted - Improved maintainability - Compatible with sampling methods ■ Adoption of LED light source - Reduces environmental impact by not using mercury - Achieves lower running costs by employing long-life LED light sources *For more details, please refer to the PDF document or feel free to contact us.

• Water quality/pH measuring device
• Other measuring instruments
• Other analytical equipment

The "WQC-40" is a portable water quality meter that supports various measurements including pH, electrical conductivity, salinity, TDS (total dissolved solids), seawater specific gravity, turbidity, temperature, dissolved oxygen, ORP (oxidation-reduction potential), ions, and water depth. It can measure up to 9 items simultaneously and is capable of measuring water depth up to 100 meters, making it useful for environmental monitoring of rivers, lakes, and dams, as well as for water quality management in factories and aquaculture sites. With a diameter of 45mm, it can be easily inserted into drilling survey pipes and other equipment. By connecting the optional Modbus power box to a general-purpose gateway, a water quality monitoring system can also be established. 【Measurement Items】 Standard: pH, electrical conductivity, salinity, TDS (total dissolved solids), seawater specific gravity, turbidity, temperature Optional: dissolved oxygen, ORP (oxidation-reduction potential), water depth, ions *Ion electrodes can be selected from 6 types (fluoride, chloride, nitrate, calcium, potassium, ammonium ions) *For detailed information such as measurement ranges, please refer to the documentation. Feel free to contact us with any inquiries.

• Water quality/pH measuring device

"Kemio" is a portable lead analyzer equipped with a function to add information to measurement results based on preset settings, such as labels (dilution ratios, upper/lower limits) and usernames. During measurement, an illustrated step-by-step guide is displayed on the screen. Calibration data for each sensor pack is automatically read by scanning a two-dimensional code. Thanks to the data sorting function based on the additional information, data can be quickly searched, and by setting the pass/fail range (upper/lower limits), it can display PASS/FAIL results based on the measurement values. 【Features】 ■ High-sensitivity and easy analysis of lead ■ Temperature-compensated electrode ■ Color touch panel ■ Illustrated step-by-step guide displayed on the screen during measurement ■ USB rechargeable (nickel-hydride battery) *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment
• Water quality/pH measuring device
• Geological Survey

This is a portable meter compatible with field measurements that can measure "dissolved oxygen," "pH," "ORP," "electrical conductivity," and "ions" through probe replacement. It features intuitive operation with an illustrated step-by-step guide and supports Japanese display. Additionally, it offers smooth and convenient data management and output functions, allowing all data logs to be output to a PC or USB memory via USB connection. The dissolved oxygen measurement employs a fluorescent method (LDO), making maintenance easy. 【Features】 ■ Supports water quality measurement in combination with digital sensor IntelliCAL probes ■ The multi-meter "HQ4000" series is equipped with a color display ■ Powered by a rechargeable lithium-ion battery, with charging possible via a dedicated AC adapter or USB connection ■ Equipped with data sorting and filtering functions *For more details, please refer to the PDF materials or feel free to contact us.

• Water quality/pH measuring device
• Other analytical equipment
• Other measuring instruments

The CM-60 is a free residual chlorine/pH composite measurement device suitable for applications such as sterilization processes in food and beverage factories, as well as effluent from factories and sewage treatment plants. The pH sensor automatically corrects the pH error of free residual chlorine, allowing for stable measurements within the pH range of 5 to 8.5. Additionally, the measurement method used is the membrane polarographic method. 【Features】 - Easy maintenance due to the use of a membrane - No influence from combined chlorine, allowing for selective measurement of free residual chlorine (HOCI) - Simultaneous measurement of free residual chlorine and pH significantly reduces initial costs *For more details, please refer to the PDF document or feel free to contact us.

• Water quality/pH measuring device

Our "Oil Film Detector" detects oil films floating on the water surface by measuring the differences in light reflection rates between water and oil, allowing for continuous monitoring of the presence of oil films and rapid alarm activation. We offer a variety of models to accommodate different installation conditions, including the standard model "ODL-1600A," which boasts a strong track record, the long-range model "ODL-1610A," capable of detecting up to 10 meters, the robust aluminum pressure-resistant explosion-proof model "SODL-1600," and the compact and lightweight LED-equipped model "OF-1600." Please select a model based on the conditions of the installation site. 【Product Lineup】 ■ODL-1600A ■ODL-1610A ■SODL-1600 ■OF-1600 *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments
• Environmental Survey
• Other analytical equipment

The "ODL-1600A model" is an oil film detector (non-explosion-proof type) that automatically detects oil films on the water surface using laser light, utilizing the difference in reflectance between water and oil in visible light to quickly identify oil leaks. It is suitable for use not only on the water surface but also as a detector for water and oil leaks on the floor. By optimizing the optical system, it can detect distances from 0.3m to 4m, and up to 6.5m on a still water surface, making it capable of functioning even in areas with significant water surface fluctuations. 【Features】 ■ Non-contact measurement using laser light ■ Suitable for use as a detector for water and oil leaks on the floor ■ Capable of functioning in areas with significant water surface fluctuations ■ Allows operation with two detectors connected to one converter *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "ODL-1610A model" is a product that achieves oil film detection at a distance of up to 10 meters from the water surface by inheriting technologies such as laser light source scanning methods and high-speed pulse emission, as well as by enlarging the condenser lens. It can also be used in locations with significant water surface fluctuations or in environments where it is not possible to approach the water surface. The optional mounting brackets allow for easy installation and adjustment, ensuring reliable maintenance. It is possible to connect two detectors to a single converter for operation. 【Features】 - Non-contact measurement using laser light - Suitable for use as a detector for water and oil leaks on the floor - Detection range improved to 0.3m to 10m due to enhancements in the optical system - Capable of handling locations with significant water surface fluctuations or environments where it cannot approach the water surface - Allows for operation by connecting two detectors to a single converter *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments
• Environmental Survey
• Other analytical equipment

The "OF-1600 model" is an oil film detector that continuously monitors the presence or absence of oil films on the water surface, such as in drainage pits, and outputs an alarm signal when an oil film is detected. By adopting the reflectance measurement method, it can detect almost all oils that form oil films, including heavy oil, light oil, kerosene, gasoline, and solvents. With the peak hold circuit, it is unaffected by debris or foreign objects flowing on the monitored water surface, and it can record and retrieve the history of oil film detection and errors along with the date and time. 【Features】 ■ Compact and lightweight design, with no consumables and minimal maintenance required ■ The LED light source is pulse-modulated, allowing measurements even in direct sunlight ■ Equipped with a self-diagnosis function that sends out abnormal detection signals ■ Rich self-diagnosis capabilities enable instant judgment of equipment or measurement anomalies ■ Standard transmission output is also equipped, allowing for the recording of oil film outflow history *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "OPM-1610 model" is a measuring instrument developed based on our over 30 years of experience and achievements, utilizing ultraviolet absorbance photometry. By implementing feedback control of light intensity, it achieves stable measurements and significantly reduces power consumption by adopting energy-efficient lamps. Additionally, it can also be used as a sampling type by employing a receiving tank. 【Features】 ■ Achieves miniaturization ■ Stable measurements through feedback control of light intensity ■ Significantly reduces power consumption by adopting energy-efficient lamps ■ Resistant to corrosion, capable of measuring in harsh environments *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "OPM-1630 model" is an automatic water quality measurement device that directly illuminates sample water falling from a nozzle with a diameter of 10mm and measures the absorbance of ultraviolet and visible light using a two-wavelength absorbance measurement method for falling water. It employs a light quantity feedback system that maintains a constant light level, ensuring stable measurements. Automatic cleaning is performed by periodically moving a wiper located on the inner surface of the nozzle up and down. Additionally, a shutter has been installed to prevent splashes of water droplets generated during cleaning or sample water introduction from adhering to the optical components. 【Features】 ■ Measures the concentration of organic pollutants in water based on the absorbance of ultraviolet light (254nm) ■ Falling water type with no cell window, eliminating concerns about contamination ■ Stable measurements with a new optical system ■ Function to prevent water droplets from adhering to the optical components *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "OBM-100H model" is a compact and lightweight panel-mounted dissolved oxygen meter for low concentration measurements. It is equipped with a transmission output of DC 4-20 mA and a two-point adjustment (upper and lower limit alarm a contact) output, and it operates on an AC-free power supply. Even when measurement is stopped (power OFF), it supplies voltage to the electrodes via an internal battery, allowing for quick response when measurements are resumed. 【Features】 ■ Compact DIN96 size, panel-mounted low concentration dissolved oxygen meter ■ Two-point adjustment output, 4-20 mA transmission output, RS-232C output (optional) ■ One-touch automatic calibration and a variety of self-diagnostic functions ■ Equipped with a burnout function that allows the transmission output to be maxed out *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments
• Water quality/pH measuring device
• Environmental Survey

The "OBM-102A model" is a compact and lightweight panel-mounted dissolved oxygen meter for general concentration measurement. It is equipped with a transmission output of DC 4-20mA and a two-point adjustment (upper and lower limit alarm a contact) output, and the power supply is AC-free. The combination detector uses a polarographic type dissolved oxygen electrode, which can automatically return to measurement mode after two hours in maintenance mode. 【Features】 ■ Compact DIN96 size ■ Panel-mounted dissolved oxygen meter ■ Two-point adjustment output, 4-20mA transmission output, RS-232C output (optional) ■ One-touch automatic calibration and various self-diagnostic functions *For more details, please refer to the PDF materials or feel free to contact us.

• Other measuring instruments
• Environmental Survey
• Water quality/pH measuring device

The "OBM-162A model" is a robust, aluminum die-cast, 4-wire (AC-free power supply) field-mounted dissolved oxygen meter converter. It is equipped with DC 4-20mA transmission output for two circuits (including water temperature) and two-point adjustment output. If normal calibration cannot be performed, it displays messages such as zero or slope abnormalities or response failures, and all operations can be performed using the ten waterproof sheet keys on the front without opening the door. 【Features】 ■ Compact aluminum die-cast case ■ Multifunctional field-mounted dissolved oxygen meter ■ Membrane rupture detection function (according to main unit specification code) ■ Two-point adjustment output, transmission output for two circuits including water temperature, RS-232C output (optional) ■ One-touch automatic calibration and various self-diagnostic functions *For more details, please refer to the PDF documentation or feel free to contact us.

• Other measuring instruments
• Environmental Survey
• Water quality/pH measuring device

The "ODM-110A model" is a compact and robust dissolved oxygen meter converter for low concentration, designed for field installation, featuring a simple operation with a 4-wire system. In the event of abnormalities such as disconnection or short circuit of the temperature measurement resistance, hardware malfunctions, or data anomalies, it is equipped with a burnout function that drives the transmission output to the upper or lower limit to indicate an error. After 2 hours in maintenance mode, it automatically returns to measurement mode. 【Features】 ■ Compact and robust aluminum case ■ Simple operation for field-installed low concentration dissolved oxygen meter ■ Simplified calibration process, automatic judgment of electrode characteristics ■ Adjustable transmission output range ■ Self-diagnosis function in case of failure (burnout output) *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments
• Environmental Survey
• Water quality/pH measuring device

The "SSF-1600 model" is an instrument that continuously measures the concentration of suspended solids (SS) in wastewater, sewage, and industrial effluent treatment facilities, as well as the concentration of activated sludge (MLSS) in aeration tanks, using an optical system. It consists of a small, lightweight infrared detector that is immersed in the sample water and a converter that outputs the SS concentration as DC 4-20mA and RS-485. Additionally, the small, lightweight stainless steel detector has a shape that minimizes the adhesion of dirt to the detection surface due to the cleaning effect of the sample water flow velocity. 【Features】 ■ Continuous measurement of SS and MLSS concentrations in sample water optically using infrared scattering light measurement method ■ The detector is small and lightweight, making operations during maintenance safe and easy ■ Wide measurement range (0-30000 mg/L) *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "SSD-1610 type / SSD-1620 type" is an instrument that continuously measures the concentration of suspended solids and the concentration of activated sludge in aeration tanks in wastewater, sewage, and industrial effluent treatment facilities using an optical system. It consists of a small piston-type detector that is immersed in the sample water and a converter that outputs the SS concentration as DC 4-20 mA and RS-485. There are two main types: the "SSD-1610 type" for measuring low concentrations of suspended solids and the "SSD-1620 type" for measuring medium concentrations of activated sludge (MLSS). 【Features】 ■ Small piston-type detector ■ Minimal influence from external light ■ Detector compatible with a variety of applications ■ Long-lasting optical system ■ Standard digital signal RS-485 *For more details, please refer to the PDF materials or feel free to contact us.

• Other measuring instruments

"SOLITAX" is a turbidity and SS meter available in two types: immersion type and pipe insertion type, which does not require sampling. The immersion type detector can be selected from two materials: resin (PVC) and metal (SUS). The pipe insertion type detector is only available in metal (SUS). It is equipped with a standard wiper cleaning function, allowing for stable measurements over long periods. 【Features】 ■ Choose between immersion type or pipe insertion type ■ Turbidity is measured using 90-degree scattered light ■ SS is measured using two-direction detection at 90 degrees and 140 degrees scattered light ■ Can measure even black samples ■ Equipped with an automatic wiper cleaning function ■ Automatically cleans at set intervals ■ The SC4500 converter can connect two detectors, enabling simultaneous 2-channel measurement *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments
• Water quality/pH measuring device
• Other analytical equipment

The "SONATAXsc" emits ultrasonic waves underwater and receives reflected waves from sludge to determine echo intensity, capturing the sludge interface. The sludge level can be selected as either the depth from the water surface or the height from the bottom of the tank. In treatment processes such as activated sludge treatment, it can detect settled sludge and efficiently perform sludge extraction. 【Features】 ■ Can be installed in existing tanks with various installation methods (fixed, rotating, hanging kit) ■ Automatic cleaning function with a maintenance-friendly magnetic wiper ■ Auto-scan of the emission frequency to set optimal conditions for sludge concentration ■ Automatic correction of the verticality of the detection unit *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "WBM-100 model" is a compact and lightweight panel-mounted conductivity meter converter. It can handle a wide measurement range from ultra-pure water to factory wastewater, as well as a broad temperature compensation range from -5 to 120°C. It features transmission output (DC 4-20mA) and adjustment (alarm) output (2 circuit C contacts), as well as functions such as sample water temperature display. 【Features】 ■ Compact DIN96 size ■ Temperature compensation via microcontroller calculation ■ Cell constant adjustment function ■ Water temperature display capability *For more details, please refer to the PDF materials or feel free to contact us.

• Other measuring instruments
• Analysis and prediction system
• Water quality/pH measuring device

This product is a panel-type electrical conductivity meter specifically developed for the food industry, designed to be installed in pipelines and tanks of food manufacturing processes for applications such as CIP (Clean-in-Place) management, defoamer control, and liquid level control. It uses a microcomputer for temperature compensation, allowing for accurate temperature compensation over a wide temperature range, and can be set to any desired temperature characteristics. The measurement range features a manual switching method with two ranges, corresponding to the cell constant of the combination detector, allowing selection between 0–300/3000 μS/cm (at 25°C) or 0–20/200 mS/cm (at 25°C). 【Features】 ■ Compact DIN96 size ■ Sanitary electrical conductivity meter for the food industry ■ Installed in pipelines and tanks of food manufacturing processes for use in CIP management, defoamer control, and liquid level control *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The "WBM-160 model" is a robust, aluminum die-cast, 4-wire field-installable electrical conductivity meter (2-electrode type) converter. By selecting from four types of reference cell constants, it can accommodate a wide measurement range from ultra-pure water to factory wastewater. It is possible to align the measurement values with known electrical conductivity values, and operations such as setting changes can be performed using the waterproof sheet keys on the front without opening the door. 【Features】 ■ Compact aluminum die-cast case, field-installable electrical conductivity meter ■ Wide measurement range from ultra-pure water to wastewater ■ Adjustable output, two circuits of transmission output including water temperature, RS-232C output (optional) *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments
• Environmental Survey
• Water quality/pH measuring device

The "WBM-210A model" is a compact and lightweight panel-mounted 2-channel electrical conductivity meter. It can handle a wide measurement range from ultra-pure water (displaying four decimal places) in semiconductor plants to factory wastewater, and it has a wide temperature compensation range from -5 to 120°C. It features transmission output (DC 4-20mA, 2 circuits) and alarm output (2 circuits with c contacts), as well as RS-232C digital output. 【Features】 ■ Compact DIN96 size ■ Microcontroller built-in electrical conductivity meter for various solutions ■ Insulated type 4-20mA transmission output, 2 circuits ■ Capable of connecting 2 detectors ■ Standard RS-232C equipped *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments
• Analysis and prediction system
• Water quality/pH measuring device

We would like to introduce the ultrasonic cleaning flow-type detector "UHC-8D" and the water jet cleaning flow-type detector "JHC-8C." The "UHC-8D" efficiently irradiates ultrasonic waves to the electrode sensing part, achieving a cleaning effect through its cavitation effect. The "JHC-8C," on the other hand, intermittently cleans the electrode sensing part with the pressure of water jet injection, preventing dirt adhesion. The control unit's transparent window includes lamps that indicate cleaning in progress and cleaning notifications. 【Features of UHC-8D】 ■ Ultrasonic cleaning flow-type detector ■ Cleaning effect achieved through cavitation effect ■ Adopts burst oscillation method (intermittent irradiation) ■ Electrode holders are available in internal liquid pressurized type for process pressure below 0.1 MPa and atmospheric pressure sampling type with internal liquid head pressure. *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments

The TTT-710 is a turntable capable of automatic measurement of up to 100 samples. The electrode cleaning tank and electrode storage tank are located at the front of the device, making maintenance of piping and electrodes easier. It can perform multi-sample measurements at a constant temperature, such as measuring the electrical conductivity of pharmaceutical water under the JP18 revision, and by pre-stirring the next measurement sample, it is possible to mix the measurement solution in advance. 【Features】 ■ Automatic measurement of up to 100 samples possible (100 samples is a manufacturer option) ■ Excellent maintainability ■ A variety of electrode cleaning modes available ■ Turntable with constant temperature water tank available (manufacturer option) ■ Next sample stirring function included (manufacturer option) ■ Space-saving installation stand for analyzers available (option) *For more details, please refer to the PDF document or feel free to contact us.

• Water quality/pH measuring device

Introducing the immersion-type pH/ORP detector with cleaning function, the "□HC-7 series." The pH and ORP electrodes are equipped with glass sensors or platinum sensors, and the sensing components such as the liquid junction and temperature compensation sensor are positioned facing downward. It allows for the selection of a more effective cleaning method suitable for the installation site. Additionally, we offer the immersion-type detector "UHC-7D," which integrates the immersion-type pH/ORP electrode holder with an ultrasonic cleaner. 【□HC-7 Series Various Cleaning Methods】 ■ Ultrasonic cleaning method ■ Brush cleaning method ■ Water jet cleaning method ■ Pulse air jet cleaning method ■ Chemical cleaning method ■ Lift-up jet cleaning method *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment

The "□OC Series" is a dissolved oxygen (DO) detector for drainage, sewage, and wastewater treatment facilities, as well as for general environmental water measurement. It incorporates a diaphragm polarographic electrode into the electrode holder, and is available in various types including immersion type, insertion type, flow-through type, float type, with pulse air jet cleaning, and with water jet cleaning. 【OC Series Lineup】 ■OC-711 ■OC-950 ■OC-991 ■NOC-814 ■NOC-815 *For more details, please refer to the PDF materials or feel free to contact us.

• Other analytical equipment
• Environmental Survey
• Water quality/pH measuring device

Introducing a two-electrode conductivity detector that can accommodate a wide measurement range from ultra-pure water used in semiconductors and power plants to river water and industrial wastewater. We offer many installation variations, including pipe insertion, immersion, and submersible types. There are four cell constants available: 0.01/cm, 0.1/cm, 1/cm, and 10/cm, allowing measurements from ultra-pure water below 0.2μS/cm to wastewater up to 10mS/cm (A5/A6 models). 【Features】 ■ The insulating seal materials for the inner and outer electrodes use glass hermetic and Teflon (PTFE), providing high heat and pressure resistance (A5/A6 models). ■ The connector box is integrated, making it easy to connect to the converter and detach the detector. ■ The compact and lightweight AR4/AR5 models for pure water have no restrictions on installation orientation. *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment
• Water quality/pH measuring device
• Other measuring instruments

Introducing a simple conductivity (electrical conductivity) meter with a built-in 2-electrode detector and amplifier (measurement circuit) that has a non-indicative configuration. It can be selected from four types of cell constants, allowing for a wide measurement range from ultra-pure water to river water and industrial wastewater. The insulating seal materials for the inner and outer electrodes are made of glass hermetic and fluororesin, providing high heat resistance and pressure resistance. 【Features】 ■ Outputs a DC 4–20mA signal for measurement value transmission ■ Various configurations including screw-in and flange-connected insertion types, immersion types, and flow-through types ■ Supports a wide measurement range from ultra-pure water to river water and industrial wastewater *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment

The "AQM-100A model" is a compact and lightweight panel-mounted resistivity meter. It is capable of measurements near the thermal sterilization process of ultra-pure water, displaying transmission output (DC 4-20mA), alarm output (2 circuit c contacts), and sample water temperature. It measures the resistivity of ultra-pure water (0-20MΩ·cm) in semiconductor plants with a wide temperature compensation range of 0-100°C. 【Features】 ■ Compact DIN96 size ■ Can connect two detectors (optional) ■ Cell constant adjustment function ■ Can set two alarm points ■ Transmission output is an insulated DC 4-20mA *For more details, please refer to the PDF materials or feel free to contact us.

• Other analytical equipment
• Water quality/pH measuring device
• Other measuring instruments

The "AQM-210A model" is a compact and lightweight panel-mounted 2-channel resistivity meter. It measures the resistivity of ultra-pure water (0 to 20 MΩ·cm) in semiconductor plants, with a wide temperature compensation range from -5 to 120°C. It displays transmission output (DC 4-20mA, 2 circuits) and alarm output (2 circuits with c contacts), as well as the sample water temperature. 【Features】 ■ Compact DIN96 size ■ Measurement near the thermal sterilization process of ultra-pure water is also possible ■ Equipped with cell constant adjustment function ■ Standard RS-232C digital communication output *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment
• Environmental Survey
• Water quality/pH measuring device

The "CODR-400 model" is an automatic measuring device designed to measure COD in factory wastewater and lake water, in response to wastewater regulations such as total water quality regulations. It is designed based on JIS K 0806 "Chemical Oxygen Demand (COD) Automatic Measuring Instruments." By adopting dual platinum electrodes, maintenance of the reference electrode internal liquid is no longer necessary. 【Features】 ■ Easy operation through a dialogue method using a color touch panel ■ Ability to display titration curves on the color touch panel ■ Rich logging functions that allow recording and confirmation of past measurement values, titration data, calibration data, alarm data, and start/stop data ■ Standard equipped with a cleaning function using oxalic acid to clean the reaction tank and electrodes from manganese contamination *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment

The "DO-32A" is a low-concentration portable dissolved oxygen meter that responds quickly and measures with high precision in the μg/L (ppb) range, also supporting simple continuous measurements. It accurately measures trace amounts of dissolved oxygen contained in the water supply systems of thermal and nuclear power plants, metal material corrosion testing plants, semiconductor manufacturing equipment, etc., with high response and precision. The operability and functionality have been significantly improved based on the conventional DO-30A, reflecting the opinions and requests of related customers throughout. 【Features】 ■ Wide dynamic/auto range ■ Fast response with long lifespan ■ Easy calibration ■ Temperature measurement function ■ Compact design for easy maintenance *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment

The "HBM-100B/102B" is a compact DIN standard panel-mounted pH/ORP controller with dimensions of 96×96mm. It comes standard with two alarm (control) outputs and a DC 4-20mA transmission output. The standard liquid calibration (check) features one-touch automatic stability determination, allowing for stable calibration without individual differences. 【Features】 ■ Automatically determines the quality of electrode characteristics and displays a message ■ Alarm (control) output includes adjustable sensitivity settings for upper and lower limit ON-OFF operation ■ The display unit is equipped with a backlight *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment

The "HBM-160B/162B model" is a robust, aluminum die-cast, 4-wire (AC-free power supply) field-mounted pH/ORP meter converter. It is equipped with a DC 4-20mA transmission output for pH/ORP values and water temperature, as well as a 2-point adjustment (upper and lower limit alarm c contact) output. All operations, including calibration, can be performed using the 10 waterproof sheet keys on the front without opening the door. 【Features】 ■ Standard liquid calibration (check) with one-touch automatic stability determination ■ Stable calibration without individual differences ■ Automatic determination of electrode characteristics with message display ■ Alarm (adjustment) output with adjustable sensitivity settings for upper and lower limit ON-OFF operation ■ Display unit with backlight *For more details, please refer to the PDF document or feel free to contact us.

• Water quality/pH measuring device

The "HC-7□ Series" is an industrial immersion-type pH/ORP meter detector used for pH/ORP measurement in open channels and tanks. It incorporates electrodes into an electrode holder, allowing for the storage of a large amount of KCl internal solution within the holder. To accommodate a wide range of applications, from wastewater treatment facilities to processes with harsh measurement conditions, various materials for contact parts and combination electrodes are available. 【Features】 ■ Maintains comparison potential stably over a long period ■ Standardized various pressurized detectors for more reliable measurements ■ Capable of storing a large amount of KCl internal solution within the electrode holder *For more details, please refer to the PDF document or feel free to contact us.

• Other measuring instruments