Launch of the Toa D.K.K. official YouTube channel!

This is a basic type pH meter that can also operate on dry batteries.

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 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.

• Environmental Survey
• Water quality/pH measuring device

It is a tabletop pH and ion meter equipped with a large touch panel.

The tabletop pH and ion meter "HM-42X" is equipped with a large touch panel, offering excellent operability with an easy-to-read 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 well-provided. ◎ You can view detailed specifications and more from the "PDF Download." If you are interested, please download the catalog to take a look.

• Water quality/pH measuring device

This is a basic type of electrical conductivity meter that can also operate on dry batteries.

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 battery life of up to approximately 1000 hours. Additionally, it can also be powered via a USB cable. ◎ You can view details such as specifications from the "PDF Download." If you are interested, please download the catalog to take a look.

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

This is a 2-channel tabletop water quality meter that can measure pH, ORP, electrical conductivity, dissolved oxygen, ions, and more.

The tabletop multi-water quality meter "MM-43X" is a desktop water quality meter that can measure pH, ORP, electrical conductivity, electrical 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 to take a look.

• Water quality/pH measuring device

It is a tabletop electric conductivity meter equipped with a large touch panel.

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 with an easy-to-read screen display, making it user-friendly. Additionally, the display is comprehensive, allowing for both vertical and horizontal display options, and it can 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 learn more.

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

This is a 2-channel tabletop water quality meter that can measure dissolved oxygen, pH, electrical conductivity, and more.

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

• Turntable
• Environmental Survey
• Water quality/pH measuring device

We have published a lot of information about electrical conductivity, including the temperature characteristics of solutions and measurement methods!

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 face each other at a distance of 1 m." In other words, it indicates how easily electricity can pass through, which can also be said to be the sum of the ions contained in the solution. This document provides detailed information about electrical conductivity, including its units, temperature characteristics of solutions, and measurement methods. We encourage you to read it. 【Contents (excerpt)】 ■ Measurement of electrical conductivity ■ Electrical conductivity cell ■ Cell constant ■ Electrical conductivity at 25°C ■ Units of electrical conductivity *For more details, please refer to the PDF document or feel free to contact us.

• others

In addition to manual analysis, there are membrane electrode methods and optical sensor methods that utilize sensors for the quantification of dissolved oxygen.

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 level) 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.

• others
• Measurement and Inspection

To achieve highly accurate pH measurements, it is essential to minimize the generation of liquid junction potential.

When measuring pH, if you calibrate the pH meter with a pH standard solution of which the 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.

• Water quality/pH measuring device
• others

Custom calibration feature supports PSL turbidity! A tabletop turbidity meter adopting a new 90° scattering method.

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, you can set it between 5 to 90 seconds. 【Features】 ■ High sensitivity and high 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.

• Analysis and prediction system
• Other analytical equipment
• Measurement and Analysis Equipment

Pursuing operability and high precision! A tabletop turbidity meter capable of measuring a wide range of turbidity from low to high turbidity.

The "TL2300/2350" is a tabletop turbidity meter designed to pursue 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.

• Analysis and prediction system
• Other analytical equipment
• Measurement and Analysis Equipment

Effective for simple monitoring! From environmental measurements of rivers and lakes to water quality management of factory and construction wastewater.

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 that can store 200 data points. Automatic memory at regular intervals is also possible, making it effective for simple monitoring. Additionally, it has a power-saving design that allows for continuous measurement 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 that can simultaneously measure up to 6 parameters ■ Improved reliability in low-concentration turbidity range ■ Memory function that can store 200 data points ■ Power-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/pH measuring device
• Other measuring instruments
• Measurement and Analysis Equipment

All operations are okay with three keys! Depending on the reagent selected, both free chlorine and total chlorine can be measured.

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). It operates on four AA alkaline batteries, allowing for approximately 5000 measurements with low power consumption. With range switching, 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 ■ Supports two measurement ranges ■ 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.

• Measurement and Analysis Equipment

Compact and multifunctional! A spectrophotometer that allows anyone to easily and quickly measure various samples.

The "DR3900" is a spectrophotometer that incorporates a variety of functions in a compact device. The main unit has programmed analysis methods for heavy metals, inorganic ions, and organic substances, which can be measured in combination with reagents provided by HACH. In addition to the built-in programs, users can input their own calibration curves. Analysis methods can be set according to the sample. 【Features】 ■ Analysis programs pre-installed (many dedicated reagents available) ■ Supports user-specific analyses ■ Equipped with wavelength scanning function ■ Adopts 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.

• Other measuring instruments
• Measurement and Analysis Equipment

Excellent operability! Using dedicated reagents, various samples can be measured easily and quickly.

The "DR900" is a handheld spectrophotometer that combines an LED light source with a filter. Frequently used analysis programs can be registered as "favorites," which helps improve usability and prevent operational errors. Additionally, it is equipped with a backlight that enhances display visibility. The backlight can be set to stay on continuously or for a specified time, and it can be turned on or off using 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 ■ Includes an auto power-off function *For more details, please refer to the PDF document or feel free to contact us.

• Measurement and Analysis Equipment

Supports calibration with PSL standard solution! Compact and lightweight portable turbidity meter.

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.

• Water quality/pH measuring device

This portable pH meter is ideal for field measurements with its energy-saving and waterproof design!

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 its 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.

• Water quality/pH measuring device

This is a portable water quality meter compatible with field measurements of pH, ORP, electrical conductivity, and dissolved oxygen!

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 2-channel type MM-42DP and 1-channel type MM-41DP! The measurement of dissolved oxygen uses 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.

• Water quality/pH measuring device

We have introduced Majesta Fragrance to a nightclub in Yokosuka City, Kanagawa Prefecture, creating a fragrant atmosphere throughout the floor. The model we have introduced is the "MF-02S," which costs 8,800 yen per month (tax included). The scent you have chosen this time is "Sabon," a high-quality soap fragrance reminiscent of luxury hotel amenities. Its clean and transparent refreshing scent spreads throughout the entire floor, warmly welcoming customers who visit. By introducing scent design to the nightclub, we can enhance the extraordinary experience and create a memorable space that lingers not only visually but also through "scent." Majesta Fragrance offers a rental service for commercial aroma diffusers, and we also provide a free trial installation. If you are interested in scent design, please feel free to contact us.

In the July 8, 2026 issue of Air Conditioning Times, we featured "Flex Chamber" and "SS Premier" in a duct special.

SS Premier has won an award at the 24th Environmental and Equipment Design Awards. This award is organized by the General Incorporated Association of Architectural Equipment Comprehensive Association and recognizes outstanding efforts in environmental and equipment design. We will continue to strive for further improvements in quality and technology.

An interview article with Yoshinori Takada, President and CEO of bSearch Co., Ltd., has been published in the media "Vision Encyclopedia," which conveys the thoughts and backgrounds of business leaders. The article delves deeply into the background of transitioning from an ordinary student life to founding a company, as well as his unique winning pattern of "not pretending to be capable." It is filled with hints for achieving results in job hunting and work, so be sure to check it out! Vision Encyclopedia / bSearch Representative Interview - The Reason Why "Not Pretending to Be Capable" Leads to Trust This representative interview introduces a career story that will be useful for a wide range of people, from job seekers who want to know the tips for achieving results at work and those who truly want to meet companies that suit them, to companies and HR personnel looking to hire talented individuals and build strong organizations. You can find detailed insights on the perspective towards work in the interview article on "Vision Encyclopedia." ✨ ■ Check out the bSearch representative interview on "Vision Encyclopedia" here: https://vision-zukan.com/posts/bsearch/

On July 1, 2026 (Wednesday), talent Risa Yoshiki has been appointed as the official ambassador of b-search Co., Ltd. We are pleased to announce the appointment of Risa Yoshiki, who is active in various fields such as television and magazines, as our official ambassador (effective July 1, 2026). With this ambassador appointment, we at b-search Co., Ltd. aim to deliver the best recruitment solutions to many companies struggling with hiring activities, while also strongly promoting the joy of taking on challenges in work and the appeal of new ways of working to job seekers considering career changes or employment. ■ Background of the official ambassador appointment In today's world, where the declining labor force due to low birth rates and an aging population is advancing, "acquiring and retaining talent" has become an extremely important management issue that affects corporate growth. What is required in future recruitment activities is not the traditional method of "simply posting job advertisements and waiting for applications." What is urgently needed now is "proactive recruitment," which involves partnering with companies as their "best No. 2" to consistently promote everything from the planning of recruitment strategies to the establishment of systems that yield results.