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  1. Home
  2. Product Ranking
  3. Weekly views ranking by Water Quality Analysis

Water Quality Analysis Weekly Product Rankings

Last Updated:26 02, 2026 Aggregation Period:18 02, 2026〜24 02, 2026
This ranking is based on the number of page views on our site.

See Water Quality Analysis's detailed category ranking

  • Simple water quality test
  • pH meter
  • Conductivity Meter
  • Dissolved Oxygen Meter
  • Residual chlorine meter
  • Turbidity meter/color meter
  • Ion Measurement
  • Water Quality Analysis Equipment
  • Other water quality analysis
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Automatic Chlorine Injection Device "TCM for Automatic Control of Residual Chlorine in Receiving Tanks Using Circulation Method" タクミナ

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Eco-friendly design without waste water! An automatic chlorine injection device 'TCM' that continuously monitors and controls the target residual chlorine concentration.

  • Other water treatment equipment
  • Other pumps
  • Residual chlorine meter
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Water-related IoT: Drainage (Water Quality and Water Level) Monitoring System グリッドリンク IoTプラットフォーム事業部

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Improving the efficiency of drainage management at factories and construction sites.

  • Water quality testing
  • pH meter
  • Water quality improvement
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Automatic Chlorine Injection Device "Automatically Measures & Injects Additional Chlorine into the Storage Tank ATCM" タクミナ

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Eco-friendly design without waste water! It measures the residual chlorine concentration in the storage tank and automatically injects additional chlorine.

  • Water treatment equipment
  • Residual chlorine meter
  • Other pumps
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The importance of counterflow multi-stage rinsing in the plating process and the management of conductivity and pH. ハンナインスツルメンツ・ジャパン

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We will also introduce practical tips for on-site operations and water usage reduction (HI 520 usage examples)!

  • pH meter
  • Other water quality analysis
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Residual Chlorine Meter "RM" タクミナ

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Hot spring water and well water compatible! Residual chlorine meter 'RM'

  • Residual chlorine meter
  • Water treatment equipment and technology
  • Other water supply and drainage facilities
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Portable Monochrome Laminator MD50 セントラル科学

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Easy-to-use Lovibond colorimeter.

  • Water quality testing
  • Residual chlorine meter
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Automatic Water Sampler "6712 High-Performance Portable Sampler" 日科機バイオス

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It is possible to target new events for water sampling by linking with water level gauges, rain gauges, water quality meters, and others!

  • Other measurement and measuring equipment
  • Other experimental equipment
  • Other water quality analysis
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COD measurement ハンナインスツルメンツ・ジャパン

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Heating time is only 15 minutes! An overwhelmingly cost-effective COD dedicated device.

  • Ion Measurement
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Measurement of COD, total nitrogen, total phosphorus, fluoride, etc. - Multi-parameter spectrophotometer ハンナインスツルメンツ・ジャパン

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Validation of absorbance at each wavelength using the validator (standard solution) is possible!

  • Ion Measurement
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[Handbook] IndSen pH/ORP Inline Electrode Apera Instruments

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Please make use of this for the normal execution of your water quality measurement operations.

  • pH meter
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NEON OPTOD Portable Fluorescent Dissolved Oxygen Meter サニー・トレーディング

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The sensor material is a fluorescent sensor made of titanium and plastic, which is used for applications such as seawater, wastewater, land-based aquaculture, and aquariums.

  • Dissolved Oxygen Meter
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Nanoparticle Analyzer MAGELLAN FITリーディンテックス

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Ultimate nanoparticle analyzer for water quality characteristic evaluation.

  • Other water quality analysis
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Residual Chlorine Meter "Compliant with Water Purification Testing Method! DPD Tester CLT10" タクミナ

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Residual chlorine management made safe, easy, and accurate! Lightweight and compact portable type, with a dedicated case included.

  • Residual chlorine meter
  • Water treatment equipment and technology
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Portable pH meter PAL-pH セントラル科学

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3 drops and measurement is completed in 3 seconds, and cleanup is easy. We support rapid and accurate pH measurement from research to manufacturing sites.

  • pH Meter
  • pH meter
  • pH meter
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【Year-end special price ¥280,000!】 Optical DO meter campaign セントラル科学

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Limited-time special price! Orders placed by the end of March 2026 will receive the optical dissolved oxygen meter for ¥280,000!

  • Other environmental equipment
  • Dissolved Oxygen Meter
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Portable Colorimeter MD50 セントラル科学

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Easy-to-use Lovibond colorimeter.

  • Water quality testing
  • Turbidity meter/color meter
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Water Quality Testing Kit "Aqua Series" 鈴研

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Easy-to-purchase simple test version of a basic water quality testing kit.

  • Simple water quality test
  • Water quality testing
  • Water Quality Analysis Equipment
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Hot Spring Component Analysis "HER-SP Pack" 株式会社HER

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Ideal for self-testing! Packaged solution for analyzing hot spring components and compliance analysis.

  • Other water quality analysis
  • Water Quality Analysis Equipment
  • Other contract services
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Technical Information: Basics and Precautions of pH Glass Electrodes メトロームジャパン 本社

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A beginner's booklet that explains the structure and handling methods of pH glass electrodes in an easy-to-understand manner.

  • pH meter
  • pH meter
  • pH Meter
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Technical Data: Introduction to Ions, pH, and Dissociation Constants メトロームジャパン 本社

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A beginner's booklet that gently explains ions, pH, and dissociation constants 《Free download available now》

  • pH meter
  • pH meter
  • pH Meter
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High-performance pH and conductivity meter for research and testing 914 (suitable for both laboratory and outdoor use) メトロームジャパン 本社

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The lab is, of course, a new type of pH and conductivity meter that can be used outdoors by removing the main unit.

  • pH meter
  • Conductivity Meter
  • Water quality testing
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High-performance conductivity meter for research technology 912 [0.1μS~500mS] メトロームジャパン 本社

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The only mobile conductivity meter that covers a measurement range of 0.1μS to 500mS is Metron.

  • Conductivity Meter
  • Conductivity Meter
  • Water quality testing
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Technical Data: Automatic Conductivity Measurement of Low Conductivity Water Samples in Compliance with USP645 メトロームジャパン 本社

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Japanese translation of the application note discussing the possibility of automatic measurement of low conductivity water samples in accordance with USP645.

  • Conductivity Meter
  • Analytical Equipment and Devices
  • Conductivity Meter
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Automation of seawater quality management in land-based aquaculture [Ion Chromatography Technical Document] メトロームジャパン 本社

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Digital transformation of water quality management for shrimp farming using ion chromatography for land-based aquaculture! Simultaneous measurement of nitrite, nitrate, and phosphate!

  • Ion Chromatography
  • Water quality testing
  • Ion Measurement
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[Automatic Titration Device Technical Data] ASTM D8192 Automatic Measurement of Water Hardness メトロームジャパン 本社

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Technical document explaining the automatic measurement of water hardness using an automatic titration device compliant with the new standard (ASTM D8192).

  • Analytical Equipment and Devices
  • Water quality testing
  • Other water quality analysis
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Process Analysis Meter 202X (Titration/pH/Absorbance) メトロームジャパン 本社

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A compact online analyzer for processes that can perform measurements such as titration, pH, and absorbance using a single method.

  • Analytical Equipment and Devices
  • Spectroscopic Analysis Equipment
  • pH meter
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pH electrode for flat surfaces / titration electrode メトロームジャパン 本社

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pH and titration electrode for measuring the surface of paper and leather.

  • pH meter
  • Paper and pulp
  • pH meter
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Light reduction filter "Diffraction type diffusion plate" オプトコム

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It is ideal for adjusting light levels when measuring the optical characteristics of light sources!

  • Other measurement and measuring equipment
  • Turbidity meter/color meter
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Automatic Water Sampler '6712C Compact Sampler' 日科機バイオス

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It is possible to target new events for water sampling by linking with water level gauges, rain gauges, water quality meters, and others!

  • Other measurement and measuring equipment
  • Other experimental equipment
  • Other water quality analysis
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Hexavalent chromium measuring device (analyzable in μg/L) ハンナインスツルメンツ・ジャパン

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The main body case has an IP67 waterproof function! The insertion part of the glass cell also uses a plastic holder.

  • Ion Measurement
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Ultra-pure water for PFOS, PFOA, and PFHxS analysis 林純薬工業 試薬化成品部

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Ultra-pure water that is suitable for PFAS analysis with a 'low blank' and is 'single-use'.

  • Water quality testing
  • Water quality testing
  • Other water quality analysis
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Automated Water Quality Inspection Robot 'BioPro HeroiC ver.WE' ビジネスイノベーションコンサルティング

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The testing and examination functions related to "water" have been upgraded.

  • Water quality testing
  • Simple water quality test
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Buffer, chelate, colorimetric reagent, metal indicator, membrane protein solubilizer. 同仁化学研究所

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Biochemical buffer, chelating reagent, colorimetric reagent, metal indicator, membrane protein solubilizer.

  • Protein Extraction Kit
  • pH adjuster
  • Other water quality analysis
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[Handbook] LabSen pH Electrode Apera Instruments

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Introducing the LabSen series of laboratory pH electrodes manufactured with cutting-edge sensor technology and Swiss core technology.

  • pH meter
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Optical portable dissolved oxygen meter Apera Instruments

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Non-slip and safe for outdoor measurements! Easy-to-read backlit LCD that can be read in dark places.

  • Dissolved Oxygen Meter
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Klotz Syringe Particle Counter for Pharmaceuticals and Drug Manufacturing メスナージャパン 本社

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KLOTZ Corporation Klotz Syringe Particle Counter for Pharmaceuticals and Medicine

  • Simple water quality test
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Portable turbidity meter マイクロテック

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Portable cryptosporidium prevention device

  • Turbidity meter/color meter
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Residual Chlorine Meter 'Accurate Measurement with One Finger! Digital Residual Chlorine Tester DCT' タクミナ

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Introducing a digital residual chlorine tester that can accurately measure with just one finger, expanding its applications with four different reagents!

  • Residual chlorine meter
  • Water treatment equipment and technology
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Residual Chlorine Meter "HACCP Compliant for Food Factories, Maximum 200 mg/L! HM" タクミナ

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[HACCP Compliant] High-concentration residual chlorine meter 'HM' for continuous stable measurement, specifically designed for food factories.

  • Residual chlorine meter
  • Water treatment equipment and technology
  • Water treatment equipment
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pH meter built-in drug injection system 'PH-PTS / OR-PTS' タクミナ

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High-performance solenoid pump PW integrated with high-precision pH (ORP) meter, controller, and chemical tank! Chemical dosing system 'PH-PTS / OR-PTS'

  • Water treatment equipment
  • pH meter
  • pH meter
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pH Indicator Recorder "Touch Panel & Recording Function! Paperless PR1" タクミナ

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SD memory card & built-in memory! PC support software is included as standard.

  • Water treatment equipment and technology
  • pH meter
  • pH meter
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pH Meter "Excellent Measurement and Control with Abundant Features! Panel-Mount Type and Field Type" タクミナ

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Systematized with related equipment to accommodate various applications! A 'pH meter' that can be chosen according to your preferences.

  • Water treatment equipment
  • pH meter
  • pH meter
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Disinfection Water Supply Unit "Just Connect to Faucet and Outlet FP-PTS" タクミナ

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Tank + Pump + Shower! Introducing a disinfectant water supply unit that easily creates safe disinfectant water.

  • Residual chlorine meter
  • Water treatment equipment
  • Other sterilization, disinfection and disinfection equipment
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Pool Tester Scuba3s セントラル科学

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Ideal for water quality management in pools and bathing facilities! Multi-parameter water quality meter compatible with smartphones.

  • Water quality testing
  • Residual chlorine meter
  • Simple water quality test
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Increase your catch with an optical DO meter for fisheries! セントラル科学

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Until March 27, 2026! Optical DO meter at a special price of 280,000 yen!

  • Other environmental equipment
  • Dissolved Oxygen Meter
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Aquaculture Optical DO Meter Campaign セントラル科学

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Limited time offer! Measure the dissolved oxygen concentration in aquaculture ponds and streamline water quality management!

  • Other environmental equipment
  • Dissolved Oxygen Meter
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Optical DO Meter Campaign for Wastewater Treatment セントラル科学

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For the optimization of wastewater treatment! We offer optical DO meters at a special price.

  • Other environmental equipment
  • Dissolved Oxygen Meter
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Optical DO Meter Campaign for Food Applications セントラル科学

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Limited time offer! Special price for optical dissolved oxygen meters for food quality control!

  • Other environmental equipment
  • Dissolved Oxygen Meter
28
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Optical DO Meter Campaign for Pharmaceutical Research セントラル科学

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Limited time offer! Special price for optical dissolved oxygen meters!

  • Other environmental equipment
  • Dissolved Oxygen Meter
28
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Optical DO Meter Campaign for Chemical Process Management セントラル科学

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Limited time offer! Special price for optical dissolved oxygen meters! Until March 27, 2026.

  • Other environmental equipment
  • Dissolved Oxygen Meter
28
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[For Universities] Optical DO Meter Year-End Special Price Campaign セントラル科学

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Until March 27, 2026! Optical dissolved oxygen meters at a special price.

  • Other environmental equipment
  • Dissolved Oxygen Meter
28
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Optical DO Meter Campaign for Research Institutions セントラル科学

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Limited time offer! We are providing an optical dissolved oxygen meter ideal for research purposes at a special price!

  • Other environmental equipment
  • Dissolved Oxygen Meter
28
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Optical DO Meter Campaign for Pools セントラル科学

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Limited time offer! Special price for optical DO meters for pool water quality management!

  • Other environmental equipment
  • Dissolved Oxygen Meter
28
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Optical DO Meter Campaign for Hot Spring Facilities セントラル科学

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Limited time offer! Easily measure the dissolved oxygen concentration in hot spring water!

  • Other environmental equipment
  • Dissolved Oxygen Meter
28
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Portable pH Meter PAL-pH for Food Manufacturing セントラル科学

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Measurement completed in 3 drops and 3 seconds. Rapidly supports quality control in food manufacturing.

  • pH Meter
  • pH meter
  • pH meter
28
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Portable pH meter PAL-pH for beverage manufacturing セントラル科学

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3 drops, 3 seconds for pH measurement. Rapid support for pH adjustment in beverage manufacturing.

  • pH Meter
  • pH meter
  • pH meter
28
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Portable pH Meter PAL-pH for the Chemical Industry セントラル科学

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3 drops, measurement completed in 3 seconds. Supporting rapid pH measurement from research to manufacturing sites.

  • pH Meter
  • pH meter
  • pH meter
28
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Portable pH Meter PAL-pH for Hot Spring Facilities セントラル科学

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Measure the pH of the spring water in 3 drops and 3 seconds. Supports quality control of hot springs.

  • pH Meter
  • pH meter
  • pH meter
28
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Water quality monitoring device (TOC and boron) for ultrapure water production equipment for semiconductors. セントラル科学

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Optimal for quality control of ultrapure water (UPW) systems in semiconductor manufacturing. A series of analytical devices that continuously monitor trace concentrations of TOC and boron with high precision.

  • Ultrapure water production equipment
  • Pure water production equipment
  • Other water quality analysis
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Portable Residual Chlorine Meter MD50 セントラル科学

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Compact, lightweight, easy to operate, and high-performance handy residual chlorine meter.

  • Residual chlorine meter
28
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Portable High-Concentration Residual Chlorine Meter MD50 セントラル科学

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Easy-to-use Lovibond colorimeter.

  • Water quality testing
  • Residual chlorine meter
28
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Portable chlorine dioxide meter MD50 セントラル科学

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Easy-to-use Lovibond photometer.

  • Water quality testing
  • Residual chlorine meter
28
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What are the methods to streamline the manufacturing process while ensuring the quality of pharmaceutical water? セントラル科学

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RTRT reduces the effort of sampling, detects OOS and OOT through real-time analysis, and implements corrective actions, thereby reducing risk, labor, and operational costs.

  • Pharmaceutical water production equipment and facilities
  • Water quality testing
  • Other water quality analysis
28
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Analysis of trihalomethanes in drinking water 分析センター 第一技術研究所

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For water quality testing and product quality control! It is possible to determine whether it meets environmental standards.

  • Other environmental analysis equipment
  • Other water quality analysis
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Water sampling function equipped turbidity meter "Aqua Catcher 2" 鈴研

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A turbidity meter and water sampler combined into one! A turbidity meter with an easy-to-use water sampling function.

  • Turbidity meter/color meter
  • Other water quality analysis
28
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Purification Tank Water Quality Measurement Device Product Catalog 鈴研

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A lineup of reagents for residual chlorine measurement, pH indicator reagents, and turbidity meters, etc.

  • Water quality testing
  • Water Quality Analysis Equipment
  • Simple water quality test
28
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Residual Chlorine Meter Product Catalog 鈴研

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A lineup of reagents for measuring residual chlorine, pH indicator reagents, and digital residual chlorine meters.

  • Residual chlorine meter
  • Other quality control and hygiene measures
28
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Simple dedicated water supply and water quality testing device for water storage tanks. 鈴研

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A water quality testing device that can be easily and conveniently used for daily management tasks.

  • Water quality testing
  • Simple water quality test
  • Water quality improvement
28
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Academia pH electrode giveaway campaign オーハウス コーポレーション 日本支社

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Surprise in 6 months! As a token of appreciation, we will give replacement electrodes to everyone who purchases the eligible products.

  • pH meter
  • Water quality testing
  • pH meter
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Portable Turbidity Meter "AquaSearcher AP30TUR" オーハウス コーポレーション 日本支社

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From drinking water to wastewater! We will introduce products that can be easily measured for various applications.

  • Turbidity meter/color meter
  • Turbidity Meter
  • Water quality testing
28
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Wastewater (Water Quality and Water Level) Monitoring System for the Chemical Industry グリッドリンク IoTプラットフォーム事業部

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Streamlining wastewater management in chemical plants to reduce environmental impact.

  • Water quality testing
  • pH meter
  • Water quality improvement
28
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Wastewater (Water Quality and Water Level) Monitoring System for Manufacturing Industry グリッドリンク IoTプラットフォーム事業部

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Streamlining drainage management at factories and construction sites, optimizing process management.

  • Water quality testing
  • pH meter
  • Water quality improvement
28
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Water Quality and Level Monitoring System for Power Plants グリッドリンク IoTプラットフォーム事業部

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Streamlining cooling water management at power plants, with automatic monitoring of water quality and water levels.

  • Water quality testing
  • pH meter
  • Water quality improvement

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