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This section provides an overview for ph meters as well as their applications and principles. Also, please take a look at the list of 35 ph meter manufacturers and their company rankings. Here are the top-ranked ph meter companies as of December, 2024: 1.Sper Scientific Ltd, 2.OMEGA Engineering inc., 3.Acustrip.
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Categories Related to pH Meters
Postdoctoral researcher, conducting research on the production of cathode composite particles for solid-state batteries in the Equipment Engineering Group of Osaka Prefecture University.
Belongs to the Resource and Energy Recycling Laboratory, Nagaoka University of Technology, and conducts research on the development of DDR-type zeolite membranes for CO2 separation and the capture of CO2 from digestion gas generated from sewage treatment plants.
https://researchmap.jp/eiji-hayakawa
Thesis
https://doi.org/10.3390/membranes11080623
http://www.ijcea.org/index.php?m=content&c=index&a=show&catid=109&id=1177
https://www.sciencedirect.com/science/article/abs/pii/S1387181119305529?via%3Dihub
https://www.sciencedirect.com/science/article/abs/pii/S138358661833154X?via%3Dihub
A pH meter is a precise instrument used to measure the pH, or hydrogen ion concentration, of a liquid, which is an essential indicator of water quality. These devices are vital in various fields, including environmental monitoring, food production, and medical research.
pH meters play a critical role in industries where water quality is paramount, such as waste management at incineration plants, boiler maintenance at thermal power plants, and wastewater management in construction. In the food industry, pH levels directly impact the taste and safety of products, necessitating accurate pH measurement.
The glass electrode method, commonly used in pH meters, involves measuring the potential difference between a glass electrode and a reference electrode. This potential difference, which changes with pH, allows for precise determination of a liquid's pH level.
Modern pH meters typically combine a glass electrode and a temperature sensor for accurate readings. The glass electrode, which has largely replaced platinum/hydrogen electrodes, contains an internal buffer solution sensitive to pH changes. This setup allows for a wide range of solution measurements.
Recent advancements have led to the development of composite electrodes, which integrate measuring and reference electrodes, simplifying the measurement process and enhancing the device's versatility.
Soil pH measurement is crucial in agriculture to ensure optimal growth conditions for various crops. However, measuring soil pH requires different techniques compared to liquid measurement. The MAFF provides guidelines for a simple indicator method, and portable pH meters are also available for direct soil testing.
*Including some distributors, etc.
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Xylem Inc., founded in 2008 and headquartered in Rye, New York, United States, is a manufacturer of water transport, treatment, and testing equipment and efficient water-use solutions. Originally a water pump, pipe, and fittings manufacturer, the company has evolved into a global water technology service provider to industry, municipalities, and commercial customers. It still manufactures core water plumbing components, but its product line has grown to include industrial heat exchangers and hydro turbines. The company also develops and supplies product and project monitoring and control software.
YSI, Yellow Springs Instruments is a manufacturer and supplier of water measurement solutions based in Ohio since 1948. The company produces a range of water measurement solutions such as Aquaculture Process Monitors, Sensors, Colorimeters, Photometers, Gas Chromatography Equipment, and more, catering to environmental surveillance, laboratory assessments, and industrial procedures, helping with measuring pH levels, dissolved oxygen, nitrate concentrations, algae presence, and various other parameters. They also encompass underwater and surface vehicles to facilitate surveys for industries like Aquaculture, Ocean and Coastal, Irrigational canals and Turnouts, and Ports and Harbors, The products also cater to Life sciences, Food and beverages, and more.
Telatemp Corporation, established in 1972 and based in Anaheim, California, is an American manufacturer of temperature measurement devices. The company’s product lineup includes temperature indicators with diverse models catering to various temperature reading and recording needs. The company also offers tilt indicators and drop records to detect mishandling of packages, along with humidity cards and desiccants designed for use with electronics, equipment, and supplies. A range of thermometers and thermocouples, along with data loggers for humidity and temperature, are also available. The company serves various industries, including automotive, consumer electronics, food, petrochemical, and pharmaceutical, primarily designated for processing, transit, and storage applications.
Owlstone Inc. is based in Cambridge, England, UK, and is a manufacturer of chemical sensing and detection technology products that was established in 2004 as a part of the Owlstone Group. The company’s product lineup includes its Lonestar brand high field asymmetric waveform ion mobility spectrometry (FAIMS) analyzer for detecting trace chemicals, its Lonestar VOC brand variant suited for volatile organic compounds, and its ultraFAIMS brand miniature chip for integration with compatible spectrometers. The company’s products are mainly used in industrial processing and manufacturing facilities and operations.
Endress+Hauser Group Services AG, established in 1953 with headquarters in Reinach, Switzerland, is a global manufacturer, distributor, and integrator of industrial process solutions for flow, level, pressure, temperature, and digital communications. The company's product line includes portable pH meters, Raman spectroscopic analyzers, electromagnetic flowmeters, hydrostatic level sensors, and application managers (devices). These products are available individually, and custom-process manufacturing turnkey systems can be commissioned. The company serves industries including food processing, chemical processing, agriculture, mining, and energy.
OMEGA Engineering was originally begun in 1962 as a manufacturer of thermocouples and has grown to over 100,000 products for measurement and control of temperature, humidity, pressure, strain force, flow, level pH, and conductivity as well as customer service including data acquisition, electric heating, and custom-engineered products. Additionally, OMEGA offers tools to serve as reference for engineers around the world. OMEGA Engineering serves the aerospace, automotive, wireless, sanitary, test & measurement, process control, power monitoring, environmental, and laboratory markets.
Sper Scientific Ltd. was founded in 1982 and is based in Scottsdale, Arizona, USA, as a manufacturer of environmental measurement instruments. The product portfolio of the company comprises Bluetooth anemometers, weather ball barometers, multi IAQ monitors, Bluetooth hygrometers, and portable handheld vibration meters. The products provide real-time weather data, monitor indoor air quality, regulate humidity in HVAC systems, and diagnose vibration-related issues in machinery. The company serves various industries, such as food and beverage, building inspection, industrial hygiene, oil and gas, and laboratories.
Myron L Company was founded in 1957 and is a manufacturer of water quality testing instruments in Carlsbad, California. The product line includes handheld and in-line conductivity, free chlorine equivalent (FCE) instruments, as well as Calibration solutions, buffers, and related accessories. Its products are used by professionals worldwide in water treatment, metal finishing, agriculture, aquaculture, printing, and hemodialysis applications. Its distributors are available in Australia, China, Egypt, Ireland, and other countries.
Yokogawa Test & Measurement Corporation was founded in Japan in 1954. Yokogawa currently serves a wide array of industries including the aerospace, automotive, consumer electronics, semiconductor and telecommunications industries with both hardware and software solutions. Among Yokogawa’s suite of products are oscilloscopes, voltage probes, power analyzers and meters, data acquisition tools, optical test equipment, a wide variety of handled meters, calibrators, and testers; analog instruments, and manometers.
Palintest, founded in the UK, is a manufacturer of equipment for water quality monitoring and disinfection control. The company's product portfolio includes state-of-the-art sensors and analyzers for real-time water quality assessment, advanced control panels, and automation solutions for disinfection processes, cloud-based platforms for remote monitoring and data analysis, and custom solutions. The company has offices in Australia, China, and the United States, and its products are used by municipalities and enviormental agencies.
Electronic Temperature Instruments (ETI) Ltd., established in 1983 and headquartered in West Sussex, England, is a manufacturer of digital thermometers. The company offers a range of products including thermometers, data loggers, probes and accessories, calibration equipment, cooking and BBQ tools, and more. It also offers moisture meters, pH meters, pressure meters, electrical testers, and gas detectors. The company is certified with the ETL Listed Mark, which is proof of product compliance with North American safety standards. It serves industries such as the food industry, industrial and manufacturing, healthcare, environmental monitoring, and more.
TECPEL CO.,LTD. was established in 1990 and is a manufacturer of test and measurement devices based in Xindian, New Taipei City, Taiwan. The company manufactures various devices such as digital thermometers, temperature humidity transmitters, digital pH meters, digital handheld multimeters, and light meters datalogger. The products are manufactured under the CE requirements standards. The company was awarded the Asia-Pacific e-Business Champions of the Year 2008 from Alibaba. The company participated in various exhibitions such as Taitronix Exhibition, The 9th Taipei International Instrument Exhibition, and The Automotive Electronics Show 2018.
Atago Co., Ltd., established in 1940 and headquartered in Tokyo, Japan, is a manufacturer that specializes in the development and manufacturing of refractometers. The company’s product line includes pocket refractometer, digital hand held pocket refractometer, and Starr X Series. It also offers PAL-2, PEN Urine S, PAL-UREA, and PAL-1 BLT. Its refractometers are designed to be easy to use, even for individuals who are not familiar with refractometers. The company has achieved has achieved the Hazard Analysis and Critical Control Point certification. Its refractometers can be used in various industries, including food and beverage, medical, cosmetics, and chemicals.
EIT Solutions Co. Ltd is based in Shanghai, China, and is a manufacturer of water quality monitoring products and equipment that was originally established as Shanghai Boqu Instrument Co. Ltd in 2007. The company’s product lineup includes dissolved oxygen and ORP water quality analyzers, flow meters for measuring how much media moves through a pipeline, and pressure sensors that assist in predictive maintenance operations. The company is ISO 14001, ISO 18001, and ISO/TS 16949-certified, and chiefly serves clients in industrial processing operations.
CLR Srl is an Italian ISO 9001:2015 certified optical systems and components manufacturer that was established in Milan in 1989. The company’s product portfolio includes various mirrors in various orientations, as well as prisms in different coatings and specifications. It also offers a wide range of spherical and aspherical lenses fabricated from various materials. The company’s products are commonly used in the production of laser systems, optical metrology products, and digital imaging products.
Sato Keiryoki Mfg. Co., Ltd., established in 1951 and headquartered in Tokyo, Japan, is a manufacturer of temperature measurement and instrumentation products. Its product range includes glass thermometers, industrial thermometers, bimetal thermometers, waterproof digital thermometers, and infrared thermometers. These instruments serve a wide array of applications, spanning industries such as manufacturing and meteorology. The company holds several certifications such as ISO9001, and ISO14001, underscoring its adherence to quality and compliance. The company has been designated as a national accredited calibration body for humidity measurement by the Japanese Government.
Established in 2006, Testo India Pvt. Ltd., a Pune, India-based subsidiary of Testo SE & Co. KGaA, is a manufacturer and supplier specializing in measuring instruments. Complying with the ISO/IEC 17025:2017 standard set by the National Accreditation Board for Testing and Calibration Laboratories (NABL), the company produces measuring instruments for temperature, humidity, pressure, and flow (bulk fluid movement). The company also offers electrical, sound level, and nanoparticle measuring devices. These products are designed for industrial applications with regard to heating, ventilation, air conditioning, and refrigeration (HVAC-R), as well as environmental monitoring technology, in sectors like food service, retail, and pharmaceuticals.
Mettler Toledo was incorporated in 1945 in Toledo, Ohio, and is today headquartered in Greifensee, Switzerland. Mettler Toledo is a manufacturer of various analytical instruments for use in laboratories, industrial and manufacturing, and food retailing applications to customers globally. Mettler Toledo offers many products across product lines for uses such as product inspection, process analytics, jewelry scales, moisture analyzers, and software for laboratory weighing. Mettler Toledo also offers numerous accessories such as density kits, hands-free accessories, weighing tables, and weight accessories.
HORIBA RADIO LABORATORY was established in Japan in 1945 and has spent the last three-quarters of a century growing as an R&D company and engaged in international operations. HORIBA Scientific offers 200 years of experience developing high-performance scientific instruments and analytical solutions. The HORIBA Group of worldwide companies provides an extensive array of instruments and systems for applications ranging from automotive R&D, process and environmental monitoring, in-vitro medical diagnostics, semiconductor manufacturing, and metrology to a broad range of scientific R&D and QC measurements. Operating in Asia, Europe, and North and South America, HORIBA scientific develops solutions that go beyond just products.
TOP Cloud-agri, founded in 2008 and based in Hangzhou, Zhejiang Province of China, is a manufacturer and designer of agriculture testing instruments. The company produces products such as weather monitor instruments, food safety instruments, flour and oil testing instruments, and general lab equipment. All the testing instruments made by the company are used in seed breeding, cleaning, storage, and water quality detection. The company holds 14 national invention patents, 20 appearance patents, 57 utility model patents, and 70 software copyrights with ISO 9 0 0 1, ISO 1 4 0 0 1, and ISO 4 5 0 0 1 certificates.
Neurtek International SRL, founded in 1979, is a manufacturer headquartered in Eibar (Gipuzkoa), Spain, specializing in equipment and technical solutions for quality control. The company's offerings encompass a range of coating test equipment, which includes instruments for testing adhesion, impact resistance, skid resistance, flexibility, and test panels. The company also provides viscosity cups, along with film thickness meters designed for measuring dry and wet coatings on various substrates, including ferrous and non-ferrous materials. Furthermore, the company offers spectrophotometers, colorimeters, lighting booths, as well as laboratory equipment, including pH meters. These products serve diverse industries such as automotive, aerospace, chemicals, and research institutions.
Auxilab S.L., founded in 1985 in Zaragoza, Spain, is a manufacturer and supplier of lab equipment and scientific instruments. The company's extensive product lineup includes laboratory glassware, plasticware, and other essential tools utilized in various research, education, and industrial applications. Auxilab's products are integral for accurate experimentation and analysis in fields such as biology, and physics. Their product quality and precision ensure the advancement of scientific knowledge and creativity. The company also aims to serve the scientific community with ideal, quality equipment that supports research, learning, and discovery.
Adwa Instruments is a manufacturer of liquid analysis instrumentation founded in 1998 and headquartered in Szeged, Hungary. The company primarily produces instruments for measuring conductivity, pH, and dissolved oxygen levels in liquid samples. These include portable meters for field measurements, benchtop meters for laboratory analysis, and pocket testers designed for troubleshooting applications. It also offers related accessories, such as probes, carrying cases, and electrodes. The company’s products are used by clients in wastewater treatment, refinery, and chemical processing operations.
Acustrip, established in 1987, is a South Carolina-based manufacturer of liquid diagnostic test strips for the evaluation of all automotive fluids including antifreeze, brake fluid, as well as engine oil. The company also offer diagnostic test strip kits for other applications such as testing the concentration of battery electrolyte and cleaning fluids. Acustrip's range of customers includes truck stop service providers, truck fleet managers, as well as antifreeze OEMs, and engine manufacturers. The company is also a major supplier of antifreeze coolant, brake fluid make-up water, and DEF diagnostics tests.
Ohkura Electric Co., Ltd., started in 1933 and situated in Sakado, Japan, is a manufacturer and supplier of industrial instruments and semiconductor equipment. The company specifically fabricates system equipment, recorders, temperature controllers, signal converters, and mass flow controllers. It also manufactures furnaces, vertical heat treatment furnaces, pressure transmitters, and thyristor units. The subcategories of its system equipment, machine controllers, are controllers that integrate functions ranging from loop control to sequence control. Its industrial instruments are used in the automation of nuclear power plant systems as well as other industrial fields.
Huanghua Faithful Instrument Co.,LTD is a manufacturer and supplier of laboratory equipment and medical equipment. The company was founded in 2011 and is based in coastal city-Huanghua The company offers a comprehensive range of products which include laboratory balances, spectrophotometers, centrifuges, and more. The company products have been extensively used in domestic and foreign research institutes and university laboratories. The company is aimed at providing tailored solutions to meet diverse needs across research, healthcare, manufacturing, and education sectors.
PeakTech Prüf- und Messtechnik GmbH, established in 1957 and based in Ahrensburg, Germany, is a manufacturer and supplier of electronic measurement technology. The company's product portfolio includes multimeters, voltage testers, thermal imaging cameras, isolating transformers, and sound level meters, as well as calibrators. These products are applied in various industries, including electrical engineering, environmental monitoring, aviation, telecommunications, and research and development. The company provides customer services, including technical support, repair, service requests, and product development.
Supmea Automation Co. Ltd., founded in 2006 and based in Zhejiang, China, is a manufacturer and supplier of industrial process automation sensors and instruments. Its products include analysis instruments, recorders, pressure transmitters, flowmeters, and other field instruments, serving industries across over 100 countries. Its products are ISO 9001-compliant, and in 2022, its Supmea ULS-B Split Type Ultrasonic Level Transmitter received the Editor's Choice Award at the Control Engineering China Product Awards.
Yoke Instrument, founded in 2007 and headquartered in Shanghai, China, specializes as a manufacturer and supplier of laboratory analytical instruments. The company's product portfolio includes atomic absorption spectrophotometers, P811 touch screen pH meters, and mobile water analyzers. These products are used in various applications, such as chemical manufacturing and forensic science for analyzing evidence in criminal investigations and legal proceedings. Additionally, they serve the agricultural sector for soil and plant analysis, pesticide residue detection, and agricultural research.
Xylem Analytics, based in the United States, is a global water technology supplier which offers analytical instrumentation, specializing in measurement technology and water solutions. The company's comprehensive product portfolio including titrators, viscosity measurement systems, glass capillary viscometers, as well as measuring instruments for measuring pH, dissolved oxygen (DO) and conductivity. They also provide instrumentation for field and environmental monitoring in surface water, stormwater, drinking water, oceans, and coastal waters. Their solutions are designed to meet the demands for precise, simple and low-maintenance quantitative and qualitative measurement analytics.
Vasthi Instruments, founded in 2009 and headquartered in Hyderabad, India, specializes in manufacturing measuring and safety instruments for industries such as thermal power, petrochemicals, and steel. Specializing in reliability and precision, the company's main products include industrial safety systems, gas analyzers, and quality monitoring equipment. These tools are used by process industries to ensure safety, efficiency, and compliance with local, regional, and national regulations. The company also provides full onsite installation, ongoing maintenance, and repair services.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Sper Scientific Ltd |
11.3%
|
| 2 | OMEGA Engineering inc. |
10.6%
|
| 3 | Acustrip |
6.6%
|
| 4 | Testo SE & Co. KGaA |
5.6%
|
| 5 | Yokogawa Test & Measurement Corporation |
5.0%
|
| 6 | YSI Inc. |
4.0%
|
| 7 | Endress+Hauser Group Services AG |
4.0%
|
| 8 | ebro |
3.7%
|
| 9 | Mettler-Toledo |
3.7%
|
| 10 | Telatemp Corporation |
3.5%
|
Derivation Method
The ranking is calculated based on the click share within the ph meter page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
8 | 36.4% |
|
Japan
|
6 | 27.3% |
|
United Kingdom
|
2 | 9.1% |
|
China
|
2 | 9.1% |
|
Germany
|
2 | 9.1% |
|
Taiwan
|
1 | 4.5% |
|
Italy
|
1 | 4.5% |
Cem Corporation Co., Ltd.
760+ people viewing
Last viewed: 2 hours ago
The industry's first outdoor pH meter/ORP meter with control function. Since it can be installed anywhere, it can be used for all kinds of pH and O...
3 models listed
Cem Corporation Co., Ltd.
230+ people viewing
Last viewed: 13 hours ago
PH/ORP paperless recorder ■Summary ・A pH meter/ORP meter with a control recording function that can measure pH and ORP values, save the changes a...
Elspina Veins Co., Ltd.
160+ people viewing
Last viewed: 19 hours ago
Dragino LSPH01 is a LoRaWAN soil pH sensor for agricultural IoT. It is designed to measure soil pH and soil temperature and send it to the platform...
Cem Corporation Co., Ltd.
310+ people viewing
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Capable of measuring pH/ORP values and transmitting output
3 models listed
Endress+Hauser Group Services AG
270+ people viewing
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Memosens 2.0 PH electrode suitable for standard applications in the water and wastewater treatment industry ◾️ Application Memosens CPS11E is a g...
Cem Corporation Co., Ltd.
280+ people viewing
Last viewed: 8 hours ago
■Standard type pH meter with indicator adjustment function This is a standard model with 2-point alarm and time division proportional control.It is...
Apera Instruments Co., Ltd.
100+ people viewing
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■Product overview ・[Alarm setting function] If the presettable control value is exceeded, the LCD screen will turn red and the measurement result ...
Cem Corporation Co., Ltd.
230+ people viewing
Last viewed: 15 hours ago
■High spec pH meter PE-31EFP is a model with 4-point alarm and time division proportional control.It is an easy-to-use model with a detailed settin...
Apera Instruments Co., Ltd.
110+ people viewing
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■Product overview ・[Alarm setting function] If the presettable control value is exceeded, the LCD screen will turn red and the measurement result ...
Apera Instruments Co., Ltd.
110+ people viewing
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■Electrode features - Adopts Swiss electrode technology, has 10 times more strength than conventional glass electrodes, and has excellent impact re...
OPTEX CO., LTD.
270+ people viewing
Last viewed: 46 minutes ago
It is a pH meter with excellent maintenance that can be used in any site, whether drainage or water. ■ Main characteristics ･ Easy quick replaceme...
Apera Instruments Co., Ltd.
150+ people viewing
Last viewed: 8 hours ago
■Product overview ・Automatic standard solution identification・Automatic calibration determination・Automatic 1-3 point calibration with calibrati...
IWAKI CO., LTD.
330+ people viewing
■ Features Intuition-6 is a water treatment controller with excellent economics, but can send e-mails for data rogging functions and warning messag...
IWAKI CO., LTD.
510+ people viewing
Last viewed: 9 hours ago
■ The body material is PPS resin The material of the sensor itself adopts PPS resin and has excellent corrosion resistance and temperature resistan...
2 models listed
IWAKI CO., LTD.
610+ people viewing
Last viewed: 10 hours ago
■ Overview The P100/W100 series is a water treatment controller that has a multilingual display function such as Japanese and has excellent operabi...
4 models listed
IWAKI CO., LTD.
180+ people viewing
Last viewed: 3 hours ago
■ Features ・ It is the best relay box for water treatment and agricultural cultivation water quality and environmental sensor. -There is a wide me...
Xebioplast Co., Ltd.
20+ people viewing
Last viewed: 16 hours ago
■Features ・Corner 48 x 98 panel type ・Drip-proof and dust-proof structure "IP66 compatible" (full panel) ・Compatible with power supply voltage 2...
Shinko Technos Co., Ltd.
400+ people viewing
Last viewed: 18 hours ago
This is a digital instruction PH meter that is installed on the control panel panel that supports various purposes, such as top water, drainage, tr...
6 models listed
Testo SE & Co. KGaA
300+ people viewing
Last viewed: 18 hours ago
Testo 206-2 is a pH meter suitable for measuring semi-solid substances. The temperature sensor is integrated, and the PH value is accurately measur...
Myzox Co., Ltd.
30+ people viewing
Last viewed: 5 hours ago
Pocket size pH meter
Myzox Co., Ltd.
20+ people viewing
Last viewed: 8 hours ago
Compact waterproof PH meter with replaceable sensor (IP57 compliant) ■Features It has a dustproof and waterproof protection rating (IP57 compliant...
Yagyu Shokai Co., Ltd.
10+ people viewing
Last viewed: 1 day ago
■Features ・The arm can be adjusted steplessly and is easy to operate. - The electrode is difficult to break because it uses glass with excellent i...
Yagyu Shokai Co., Ltd.
30+ people viewing
Last viewed: 13 minutes ago
■Features - You can save manually or automatically at set time intervals when the values are stable. ・The data of the most recent calibration (o...
Yagyu Shokai Co., Ltd.
30+ people viewing
Last viewed: 1 hour ago
Myzox Co., Ltd.
30+ people viewing
Last viewed: 4 hours ago
Easily measure hydrogen ion concentration (pH) and temperature. ■Features - Comes with an indicator vinyl cover that protects the indicator from f...
Myzox Co., Ltd.
30+ people viewing
Last viewed: 5 hours ago
Simple and easy high-precision pH measurement ■Features -The included glass electrode is removable and easy to replace. ・With data hold function
Myzox Co., Ltd.
20+ people viewing
Last viewed: 20 hours ago
You can easily check the pH of agricultural and horticultural soil management, water quality management of ornamental fish tanks, etc. ■Features ...
Myzox Co., Ltd.
20+ people viewing
Last viewed: 6 hours ago
Compact body suitable for various uses ■Features - For surveying and managing river water quality, surveying and managing factory wastewater and p...
Bitstrong Co., Ltd.
110+ people viewing
Last viewed: 1 day ago
This PH meter is highly accurate, stable, reliable, and convenient to carry. It can be used to measure the PH value of a solution or the temperatur...
Takumina Co., Ltd.
210+ people viewing
Last viewed: 1 day ago
Excellent measurement and control performance and a wide range of user-oriented functions and variations.
3 models listed
