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

The "HBM-160B/162B model" is a robust field-mounted pH/ORP converter made of aluminum die-cast with a 4-wire (AC-free power supply) design. 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 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.

• Analytical Equipment and Devices

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 the 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, we offer various types of contact materials and combination electrodes. 【Features】 ■ Maintains comparative 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 measurement, recording and measuring instruments

The "HC-8□ Series" is a flow-type detector used for pH/ORP measurement in closed loops such as piping and sealed tanks, incorporating electrodes into an electrode holder. It is available in two shapes: a case (chamber) type that connects to a bypass line via a flange, and an insertion type that connects to the side of piping or tanks using screws or flanges. To accommodate various measurement conditions, there are many options for liquid contact materials and connection standards, as well as a wide variety of combination electrodes. 【Features】 - Widely usable from wastewater and sewage treatment facilities to boiler systems and general process control equipment. - Offers internal liquid pressurization for cases with process pressure and internal liquid head pressure (sampling type) for cases without process pressure (atmospheric pressure). - Model selection can be made based on the connection method to the process line and the measurement conditions such as pressure, temperature, and characteristics of the sample water. *For more details, please refer to the PDF materials or feel free to contact us.

• Other measurement, recording and measuring instruments

The "LDO2" fluorescent dissolved oxygen meter is a dissolved oxygen meter that employs an optical sensor, achieving both stability and reliability through an innovative measurement principle that differs from traditional membrane types. By controlling the emission of blue and red LEDs inside the detector, it accurately detects fluorescent reactions corresponding to oxygen concentration. Optical zero adjustment is also performed automatically, ensuring stable measurements over long periods. 【Features】 ■ No membrane required: Structure without electrolyte or anodes/cathodes eliminates the need for part replacement. ■ Significantly reduces maintenance effort: Only requires sensor cap replacement every two years. ■ Long-term stability maintained through optical zero adjustment. ■ Minimal impact from interfering substances or flow rate changes, allowing stable operation in a wide range of water quality environments. ■ Simultaneous measurement with 2 channels: Two detectors can be connected to the SC4500 converter. *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments
• Water quality testing
• Analytical Equipment and Devices

The "MBM-100A model" is a compact and lightweight panel-mounted electrical conductivity regulator that uses electromagnetic induction measurement methods. It is equipped with a transmission output of DC 4-20mA and two-point adjustment (upper and lower limit alarms), and the power supply is AC-free. The detector is made of heat-resistant PVC (C-PVC) or PFA, providing excellent corrosion resistance and heat resistance against most chemical solutions. 【Features】 ■ Compact DIN96 size ■ Measurement of high electrical conductivity ■ Measurement and display of sample water temperature ■ Ability to correct measurement values to operational management electrical conductivity values ■ Automatically returns to measurement mode after 2 hours in maintenance mode *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "MBM-102A type" is a compact and lightweight panel-mounted concentration controller (for hydrochloric acid, sulfuric acid, caustic soda, etc.) using an electromagnetic induction measurement method. It is equipped with a transmission output of DC 4-20mA (linear output relative to concentration) and a two-point adjustment (upper and lower limit alarm) output, and the power supply is AC-free. The detector is made of heat-resistant PVC (C-PVC) or PFA, providing excellent corrosion resistance and heat resistance for most chemical solutions. 【Features】 ■ Compact DIN96 size ■ Capable of measuring strong corrosive solution concentrations ■ Measures and displays the temperature of the sample water ■ Corrects measurement values to concentration values for operational management ■ Automatically returns to measurement mode after 2 hours in maintenance mode *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "MBM-160/162 model" can accurately measure high electrical conductivity and the concentration of strongly corrosive solutions that cannot be measured with a two-electrode type. It is equipped with a transmission output of DC 4-20mA for two circuits (including water temperature) and a two-point adjustment (upper and lower limit alarm) output. The detector is made of heat-resistant PVC (C-PVC) or fluororesin (PFA), providing excellent corrosion resistance and heat resistance against most chemical solutions. 【Features】 ■ Measurement of high electrical conductivity (MBM-160 model) ■ Change of transmission output range (MBM-160 model) ■ Measurement of strongly corrosive solution concentration (MBM-162 model) ■ Outputs DC 4-20mA for any range ■ Ability to correct measurement values *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments
• Water quality testing
• Analytical Equipment and Devices

The "MDM-135A/137A model" can accurately measure high electrical conductivity and the concentration of strongly corrosive solutions that cannot be measured with a two-electrode type. It also supports a wide measurement range from a minimum of 0 to 0.5 mS/cm and a maximum of 0 to 2000 mS/cm, as well as a wide temperature compensation range from -5 to 105°C. 【Features】 ■ Measurement of high electrical conductivity (MDM-135A) ■ Measurement of strongly corrosive solution concentration (MDM-137A) ■ Minimal influence from contaminants (dirt and bubbles) ■ Holds transmission output during maintenance ■ Automatically returns to measurement mode after 2 hours in maintenance mode *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments
• Analytical Equipment and Devices
• Water quality testing

The "ME-100 series" is an electrical conductivity detector that operates based on electromagnetic induction. When combined with a dedicated converter, it accurately measures the electrical conductivity of various solutions. It is capable of measuring highly corrosive acids or alkaline solutions with high electrical conductivity, as well as seawater, which cannot be measured using electrode methods. There are many variations available for installation methods, including pipe insertion, immersion, and submersion types. 【Features】 ■ Wetted materials: C-PVC, PVDF, or PFA ■ Minimum measurement range: 0 to 0.5 mS/cm (0.05 S/m) ■ Maximum measurement range: 0 to 2000 mS/cm (200 S/m) ■ Concentrations of hydrochloric acid, sulfuric acid, caustic soda, etc., can be converted and manufactured as concentration meters ■ Drip-proof structure allows for outdoor installation *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "NPW-400 model" is an automatic measurement device that can automatically measure total nitrogen (TN), total phosphorus (TP), and COD concentrations in wastewater from factories and business establishments, in response to water quality total quantity regulations. It is based on the measurement methods for total nitrogen and total phosphorus outlined in the Ministry of the Environment's Notification No. 64 of 1974, which establishes wastewater standards based on the provisions of the wastewater standards set by the Minister of the Environment. Additionally, it adopts the "120°C potassium peroxydisulfate digestion method - ultraviolet spectrophotometry for total nitrogen measurement" and the "120°C potassium peroxydisulfate digestion method - molybdenum blue spectrophotometry for total phosphorus measurement." 【Features】 ■ Adopts the same 120°C heating digestion method for 30 minutes as the specified measurement method ■ Achieves good correlation with manual analysis values ■ Simultaneous measurement of TN, TP, and COD (UV) using a multi-wavelength detector ■ Compact design with a simple sample and reagent weighing unit ■ Realizes a simple configuration with integrated manifold piping *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

<Currently featuring the following videos!> ● TOA DKK Company Introduction (Japanese version and English version) ● Portable Multi-Water Quality Meter Product Introduction ● Portable Tabletop Water Quality Meter Product Introduction ● HACH Spectrophotometer Product Introduction ● HACH Turbidimeter Product Introduction We also have various videos on measurement operations, calibration procedures, maintenance, and more for each product! We plan to add more diverse content in the future. Please take a look and consider subscribing to our channel!

• Analytical Equipment and Devices
• Water quality testing
• Other measurement, recording and measuring instruments

The "RC-1202W" is a high-concentration residual chlorine controller that is unaffected by chloride ions (Cl-) up to 30,000 mg/L, making it suitable for measuring residual chlorine concentrations in seawater. With panel operation from the front, various data settings can be easily configured, and the adoption of an automatic cleaning mechanism allows for stable measurements over long periods. Additionally, it is hardly affected by suspended substances in the sample. 【Features】 ■ Unaffected by chloride ions (Cl-) up to 30,000 mg/L ■ Can be used for measuring residual chlorine concentrations in seawater ■ Easy data setting through front panel operation ■ Stable measurements over long periods due to the automatic cleaning mechanism ■ Hardly affected by suspended substances in the sample *For more details, please refer to the PDF document or feel free to contact us.

• Analytical Equipment and Devices
• Other measurement, recording and measuring instruments

The "RC-50T Series" is a chlorine meter suitable for managing effective chlorine concentrations for deodorization, capable of handling low concentrations (0 mg/L) to high concentrations (approximately 12%). No calibration is required like other electrode methods, allowing for measurements to be taken in a short time. The operation is simple as it only requires the addition of a sample (50 μL). Additionally, it uses an electrochemical sensor that excels in linearity compared to colorimetric methods. 【Features】 ■ No calibration required like other electrode methods ■ Simple operation as it only requires the addition of a sample (50 μL) ■ Measurements can be taken in a short time ■ Excellent accuracy and reproducibility that is not affected by the operator's skill ■ Uses an electrochemical sensor that excels in linearity compared to colorimetric methods *For more details, please refer to the PDF document or feel free to contact us.

• Analytical Equipment and Devices
• Other measurement, recording and measuring instruments

Dissolved oxygen refers to the amount of oxygen (mg/L) that is dissolved in water. The amount that dissolves in water increases with lower water temperatures and higher pressures. Under conditions of 1 atmosphere and 25°C, it is estimated that about 8 mg/L (saturated dissolved oxygen amount) of oxygen can dissolve. This document provides detailed information about dissolved oxygen sensors, non-aqueous solvent electrodes, and other information related to dissolved oxygen. Please take a moment to read it. [Contents] ■ About dissolved oxygen ■ Dissolved oxygen sensors ・ Membrane electrode method ・ Optical sensor method ■ For BOD measurement ■ Non-aqueous solvent electrodes *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments
• others

Electrical conductivity is defined as "the reciprocal of the electrical resistance measured in a container filled with an electrolyte solution, where two flat electrodes with an area of 1 m² are facing each other at a distance of 1 m." In other words, it indicates how easily electricity can flow, which can also be described as the sum of the ions contained in the solution. This document provides detailed information on electrical conductivity, including its units, temperature characteristics of solutions, and measurement methods. We invite you to read it. 【Contents (excerpt)】 ■ Measurement of electrical conductivity ■ Electrical conductivity cell ■ Cell constant ■ Display of electrical conductivity at 25°C ■ Units of electrical conductivity *For more details, please refer to the PDF document or feel free to contact us.

• Other electric meters
• others

When measuring pH, if you calibrate the pH meter with a pH standard solution whose pH value is already known, you can directly determine the pH value from the electromotive force generated in response to the pH. This document provides detailed information about pH, including pH measurement methods, glass electrodes and reference electrodes, as well as the types and characteristics of pH electrodes. Additionally, we also introduce the oxidation-reduction potential, so please take a look at that as well. 【Contents】 <About pH> ■ pH measurement methods ■ Glass electrodes and reference electrodes ■ Temperature compensation electrodes ■ pH combination electrodes ■ pH standard solutions ■ Types and characteristics of pH electrodes *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments
• others

The "ICA-7000" is an ion chromatograph that integrates all units, including the detector, pump, display section, operation section, and column thermostat, into a single unit. It can accommodate two pumps for the suppressor removal solution. The column is stored horizontally, improving maintenance accessibility. By simply installing dedicated software, all operations can be performed from a PC. 【Features】 ■ All-in-one, compact design ■ Same size even for a 2-channel system ■ Excellent expandability due to modular equipment configuration ■ Device control and data processing via USB communication ■ Added low range for high-sensitivity analysis *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The tabletop multi-parameter water quality meter "MM-43X" is a desktop water quality meter capable of measuring pH, ORP, electrical conductivity, resistivity, dissolved oxygen, ions, and more. It can connect two sensors and display two parameters simultaneously. Additionally, it features a large touch panel with an easy-to-read screen display, enhancing usability. ◎ You can view detailed specifications and more from the "PDF Download." If you are interested, please download the catalog for more information.

• Other measurement, recording and measuring instruments

The "WQC-30" is a high-performance integrated sensor that can simultaneously measure up to 6 parameters, making it a simple portable multiparameter water quality meter. It features a memory function for 200 data points. Automatic memory at regular intervals is also possible, making it effective for simple monitoring. Additionally, with its energy-saving design, it can measure continuously for approximately 70 hours using two AA alkaline batteries. This achieves about a 90% reduction in power consumption compared to our conventional products. 【Features】 ■ High-performance integrated sensor for simultaneous measurement of up to 6 parameters ■ Improved reliability in low-concentration turbidity range ■ Memory function for 200 data points ■ Energy-saving design ■ Continuous measurement for approximately 70 hours using two AA alkaline batteries *For more details, please refer to the PDF document or feel free to contact us.

• Water quality testing
• Other measurement, recording and measuring instruments
• Analytical Equipment and Devices

The WDM-135A model (2-wire type) / WDM-136A model (4-wire type) is a compact and robust aluminum-cased, easy-to-operate 2-electrode field-installed conductivity (electrical conductivity) meter converter (transmitter). It supports a wide measurement range from ultra-pure water (0–0.2 μS/cm) to industrial wastewater (0–20 mS/cm) and a wide temperature compensation range from -5 to 120°C. There are 2-wire (DC 24V power supply) and 4-wire (AC-free power supply) options, with a transmission output of DC 4–20 mA. 【Features】 ■ Wide measurement range ■ Adjustable measurement range ■ Temperature measurement display ■ Self-diagnosis ■ Automatic return to measurement mode *For more details, please refer to the PDF document or feel free to contact us.

• Water quality testing

The "TU5200" is a tabletop turbidity meter capable of high-precision measurements even in low concentration areas. By placing a 10mL sample in a dedicated TU5 vial and setting it in the measurement section, the measurement will automatically start when the cover is closed. In single measurement mode, you can set an averaging time between 5 to 15 seconds, and in continuous measurement mode, between 5 to 90 seconds. 【Features】 ■ High sensitivity and precision measurements in low turbidity areas ■ Custom calibration function ■ Compatible with PSL turbidity measurements ■ Signal accumulation averaging ■ External output *For more details, please refer to the PDF document or feel free to contact us.

• Analytical Equipment and Devices
• Other measurement, recording and measuring instruments

The "TL2300/2350" is a tabletop turbidity meter that pursues operability and high precision. It irradiates the sample with light from a tungsten lamp, and the "TL2300" can measure up to 4000 NTU using a 90° scattered light detector, a transmitted light detector, and a forward scattered light detector. Additionally, the "TL2350" includes a backward scattered light detector, allowing measurements up to 10000 NTU. Measurement modes can be selected from three types: single, continuous, and RST (rapid settling sample). 【Features】 ■ Full-color touch screen ■ Self-diagnosis function ■ Calibration selection ■ Data storage and output ■ Built-in calibration compliant with the Japanese Pharmacopoeia *For more details, please refer to the PDF document or feel free to contact us.

• Analytical Equipment and Devices

Dedicated devices are lined up to make titration equipment more accessible and easier to use. It is a simple operation, low-cost titration device. Toa DKK offers a lineup including the pH meter 'TA-70', salinity meter 'TS-70', and potentiometric titrator 'TP-70'. It features a break-resistant pH glass electrode. Additionally, it has an extensive data memory function that allows for re-analysis of up to 100 data points. Furthermore, a high-speed titration mode is available to shorten titration time. [Features] - Adoption of break-resistant pH glass electrode - Extensive data memory function - High-speed titration mode available - System upgrades that achieve labor-saving - Can be connected to a turntable (TTT-710) to construct a multi-sample titration system *For more details, please refer to the PDF document or feel free to contact us.

• Electrical Instruments/Electrometers
• Food Testing/Analysis/Measuring Equipment
• Analytical Equipment and Devices

The "SU-300" is a sugar concentration analyzer that can simultaneously measure with simple pre-treatment. It employs electrochemical detection methods, allowing for selective detection of sugars. The measurement method is less affected by coexisting components in the sample, and the measurement sample can be injected into the analyzer after only simple pre-treatments such as removal of solids and lipids, and dilution. 【Features】 ■ Simultaneous analysis of 5 types of sugars and ethanol, or 7 types of sugar alcohols ■ Simple pre-treatment ■ Simple flow path configuration ■ No computer required ■ Automatic analysis and calculation within the device *For more details, please refer to the PDF materials or feel free to contact us.

• Food Testing/Analysis/Measuring Equipment
• Analytical Equipment and Devices

The "SAT-500" is a salt analyzer that allows for the measurement of salt concentration (chloride concentration) simply by injecting a sample with a dispenser. The measurement takes about 25 seconds from start to data output, making it speedy. It can achieve measurements with a C.V. value of less than 0.5% using a 1% NaCl standard solution with a 20μL dispenser. It is equipped with various functions aimed at quality control in food production lines, as well as streamlining and enhancing reliability for HACCP. 【Features】 ■ Easy operation ■ Rapid measurement ■ High precision measurement ■ Continuous measurement possible with the same electrolyte (dedicated beaker) ■ Electrolyte replacement warning function *For more details, please refer to the PDF document or feel free to contact us.

• Analytical Equipment and Devices
• Food Testing/Analysis/Measuring Equipment

The ODM-135A model (2-wire type) / ODM-136A model (4-wire type) is a compact and robust aluminum-cased dissolved oxygen meter converter (transmitter) designed for simple operation and field installation. It can be used for continuous measurement and control of dissolved oxygen concentration in wastewater and sewage treatment plants, as well as in industrial wastewater treatment facilities. There are 2-wire (DC 24V power supply) and 4-wire (AC-free power supply) versions available. 【Features】 ■ Changeable transmission output (measurement) range ■ Automatic determination of electrode condition during calibration ■ Easy operation ■ Transmission output value holds during maintenance ■ Measurement value adjustment *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "MWB4-72 model" is a device that fully automates the daily water quality tests mandated by regulations, achieving enhanced water quality management and significant labor savings. By adopting dedicated software, it enables simultaneous centralized management of data information and allows for remote maintenance during abnormal conditions, including cleaning and zero calibration operations. The cleaning of the turbidity and color measurement cell section employs automatic cleaning through water flow, eliminating movable parts and significantly improving durability. 【Features】 ■ Remote monitoring system ■ Battery backup support ■ Excellent operability and maintainability ■ Continuous measurement of 7 items without reagents ■ Compact body *For more details, please refer to the PDF materials or feel free to contact us.

• Water quality testing

The "IA-300" is an ion analyzer that allows for easy ion analysis by simply injecting a sample and lowering a lever. It packages the functions of ion chromatography (such as the pump and printer) into one unit, enabling you to know the concentration of target ions just by injecting the sample into the device. The analysis and calculations of measurement data are performed automatically by the device itself. Compared to ion chromatographs that process data on a computer, this significantly reduces processing time. The measurement results can be printed from the built-in printer. 【Features】 ■ Set measurement conditions with mode selection Simultaneous measurement of 6 cation items or 7 anion items Anions: F-, Cl-, NO2-, Br-, NO3-, PO4-, SO42- Cations: Li+, Na+, NH4+, K+, Mg2+, Ca2+ ■ Automatic processing of analysis and calculations ■ Suppressor method also adopted for anion measurement ■ Realization of labor-saving through automatic measurement of multiple samples ■ Easy maintenance *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "HDM-135A type (2-wire) / HDM-136A (4-wire)" is a compact and robust pH meter converter (transmitter) designed for on-site installation, featuring simple functions and easy operation in an aluminum case. It is available in a 2-wire (DC 24V power supply) and a 4-wire (AC free power supply) configuration, with a transmission output of DC 4-20mA. If normal standard liquid calibration cannot be performed, it will display messages for zero or slope abnormalities, or instability issues. 【Features】 ■ Changeable pH transmission output range ■ One-touch automatic calibration ■ Automatic determination of pH electrode condition ■ pH measurement value shift ■ Glass electrode crack detection *For more details, please refer to the PDF materials or feel free to contact us.

• Water quality testing

The "DR3900" is a spectrophotometer equipped with a variety of functions in a compact device. The main unit has programmed analysis methods for heavy metals, inorganic ions, and organic substances, allowing for measurements when combined 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 samples. 【Features】 ■ Pre-installed analysis programs (many dedicated reagents available) ■ Capable of accommodating user-specific analyses ■ Wavelength scanning function included ■ Equipped with a color touch panel (7-inch TFT LCD screen) ■ Compatible with a variety of measurement cells *For more details, please refer to the PDF document or feel free to contact us. 【Measurement Items】 Total nitrogen / Total phosphorus / Nitrate / Ammonia / COD (Permanganate method) / Silica / Cadmium / Residual chlorine / Iron / Copper / Volatile acids / Hardness / Phosphate, and approximately 70 other items.

• Other measurement, recording and measuring instruments
• Other electronic measuring instruments

The "DR900" is a handheld spectrophotometer that combines an LED light source with a filter. You can register frequently used analysis programs as "favorites," which helps improve usability and prevent operational errors. Additionally, it is equipped with a backlight, enhancing the visibility of the display. The backlight can be set to stay on continuously or for a fixed period, and you can also choose to turn it on or off with the backlight key. 【Features】 ■ Supports 26 languages, including Japanese ■ Adopts a favorites menu ■ Features a display with a backlight ■ Comes with pre-installed analysis programs ■ Auto power-off function *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "DR300" is a pocket residual chlorine meter that can measure both free chlorine and total chlorine depending on the choice of reagents. It is palm-sized and weighs 250g (excluding batteries). With four AA alkaline batteries, it can perform approximately 5000 measurements with low power consumption. By switching ranges, it can measure from 0.02 to 2.00 mg/L and from 0.1 to 8.0 mg/L. 【Features】 ■ Easy operation ■ Dedicated reagents provided ■ Compact and lightweight ■ Energy-efficient ■ Dual range support ■ The carrying case can store the main unit, sample cells, and more. *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "COD-60A" is a compactly designed COD meter that integrates heating and titration processing into a single measurement unit. Thanks to its unique automatic control system, it automatically handles the entire sequence from oxidation to titration and result printing. Anyone can easily obtain stable measurement results. Simply take the required amount of sample and reagents and place them in the measurement container. Press the start button, and all remaining processes will be completed automatically. This reduces the workload and significantly improves operability. 【Features】 - Measurement completed with just one button! Outstanding operability - Minimizes errors by the operator - Environmentally friendly with waste liquid volume below 10mL - Adopts a well-established titration method - Multi-range compatible, allowing direct reading of COD values *For more details, please refer to the PDF document or feel free to contact us.

• Analytical Equipment and Devices
• Water quality testing
• Other environmental analysis equipment

The "CGP-31" is a portable carbon dioxide concentration meter that employs a membrane-type carbon dioxide electrode based on electrochemical operating principles. Using the membrane glass electrode method, it is unaffected by the presence of other gases, except for volatile weak acids, acidic gases, and basic gases. Additionally, it is minimally affected by humidity, eliminating the need for dehumidification treatment. We also provide dedicated data collection software for importing measurement data into a computer in text format. 【Features】 ■ Adopts a membrane-type carbon dioxide electrode based on electrochemical operating principles, achieving high-precision CO₂ measurement. ■ Reduces preparation effort as dehumidification treatment is unnecessary. ■ Equipped with a concentration conversion function, making it easy to check and manage measurement values. ■ Allows switching settings between gas phase concentration (% (v/v)) and liquid phase concentration (mg/L), accommodating a wide range of measurements. ■ Features a memory function capable of storing up to 1000 measurement data points. *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "2100Q" is a portable turbidity meter that can be easily and quickly measured in the field. Simply pour the sample into the measuring container and set it on the instrument to display the results digitally. Routine checks can be easily performed with the included standard solution set. Weighing only 530g (excluding batteries), it is compact and lightweight. It comes with a carrying case that stores the main unit, necessary instruments, and the instruction manual. 【Features】 - Simply pour the sample into the measuring container and set it on the instrument to display the results digitally. - Routine checks can be easily performed with the included standard solution set. - Weighs only 530g (excluding batteries), compact and lightweight. - Comes with a carrying case that stores the main unit, necessary instruments, and the instruction manual. - Battery-operated (can also use AA rechargeable nickel-metal hydride batteries). *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

This is a multi-type portable water quality meter that allows for the measurement of "pH," "ORP," "electrical conductivity," and "dissolved oxygen" through probe replacement. Available in a 2-channel type MM-42DP and a 1-channel type MM-41DP! The measurement of dissolved oxygen adopts an "optical method"! With a waterproof structure and backlight, it can be safely used in the field. ◎ You can view detailed specifications and more from the "PDF Download." If you are interested, please download the catalog to take a look. Additionally, you can download materials that clearly explain the measurement methods for pH, electrical conductivity, and dissolved oxygen.

• Other measurement, recording and measuring instruments

The "CM-41X" electrical conductivity meter is a tabletop water quality meter that can measure electrical conductivity, electrical resistivity, salinity, TDS, and more. It is a basic type that can operate on four AA alkaline batteries, with a long battery life of up to approximately 1000 hours. Additionally, it can also be powered via a USB cable. ◎ You can view detailed specifications and more from the "PDF Download." If you are interested, please download the catalog to take a look.

• Other measurement, recording and measuring instruments
• Other electric meters
• Analytical Equipment and Devices

The "CM-42X" electrical conductivity meter is a tabletop water quality meter that can measure electrical conductivity, electrical resistivity, salinity, concentration, TDS, and more. It features a large touch panel and has excellent operability with a clear screen display. Additionally, the display content is comprehensive, allowing for both vertical and horizontal display switching, as well as the ability to show graphs that clearly indicate the stability of measurement values. Maintenance information is also well-documented. ◎ You can view detailed specifications and more from the "PDF Download." If you are interested, please download the catalog to take a look.

• Other measurement, recording and measuring instruments
• Other electric meters
• Analytical Equipment and Devices

The tabletop pH meter "HM-41X" is a basic type of pH meter that can operate on four AA alkaline batteries. The battery life is long-lasting, lasting up to approximately 2500 hours. Additionally, it can also be powered via a USB cable. ◎ You can view detailed specifications and more from the "PDF Download." If you are interested, please download the catalog to take a look.

• Other measurement, recording and measuring instruments
• Water quality testing
• Analytical Equipment and Devices

The tabletop pH and ion meter "HM-42X" is equipped with a large touch panel, offering excellent operability with a clear screen display. The display content is comprehensive, allowing for switching between vertical and horizontal orientations, and it also features a graph display that clearly shows the stability of measurement values. Additionally, maintenance information is also well-documented. ◎ You can view detailed specifications and more from the "PDF Download." If you are interested, please download the catalog to take a look.

• Other measurement, recording and measuring instruments

The TB-31 is a portable turbidity meter that enables easy turbidity measurement in the field using an immersion-type sensor. It is ideal for measuring turbidity in general environmental water such as rivers and lakes, as well as in factory and construction wastewater. The repeatability in the low measurement range has significantly improved reliability to ±0.5 NTU compared to our conventional products.

• Other measurement, recording and measuring instruments

This is a popular portable water quality meter that allows for the measurement of "pH," "ORP," and "various ions" through electrode replacement. Its slim design makes it easy to hold, and the energy-efficient and waterproof design ensures safe use in the field. ◎ You can view detailed specifications and more from the "PDF Download." If you are interested, please download the catalog to take a look.

• Other measurement, recording and measuring instruments