23 Digital pH Meter Manufacturers in 2024
This section provides an overview for digital ph meters as well as their applications and principles. Also, please take a look at the list of 23 digital ph meter manufacturers and their company rankings. Here are the top-ranked digital ph meter companies as of December, 2024: 1.Devar Inc., 2.Apera Instruments, LLC, 3.Mettler-Toledo.
Table of Contents
Categories Related to Digital pH Meters
What Is a Digital pH Meter?
A digital pH meter is an instrument used to measure the pH of a solution.
It is expressed as a number between 0 and 14, with a value of 7 indicating neutrality, a value less than 7 indicating acidity, and a value greater than 7 indicating alkalinity.
A digital pH meter can be used to read the hydrogen ion concentration index of a solution as a digital value. pH is called "pH" or "pH (pHH)," but JIS Z8802:2011 states that it should be read as "pH or pHH.
Uses of Digital pH Meters
Digital pH meters are used for environmental measurement and chemical analysis. In environmental measurements, digital pH meters are used for water quality control of drinking water and wastewater, and in chemical analysis, digital pH meters are used for quality control in laboratories and on industrial production lines.
In chemical analysis, pH is one of the indicators that affect sample pretreatment and analysis conditions. pH also affects the progress of chemical reactions, making it an important control item at manufacturing sites.
Principle of Digital pH Meters
The measurement method most commonly used in digital pH meters is the glass electrode method. The glass electrode method uses two electrodes (a glass electrode and a reference electrode). When a liquid with a different pH is present in the two areas separated by the glass films of the electrodes, an electromotive force corresponding to the difference is generated, and the pH is calculated by measuring the potentials of the glass and reference electrodes in the main unit.
Note that the pH meter must be calibrated before use. pH standard solutions are generally calibrated with pH 7 as the zero point and pH 4 and pH 9 as the three-point calibration, but the pH standard solution used for calibration may be changed depending on the pH of the sample. It should also be noted that the slope of the calibration curve is affected by temperature.
To measure pH accurately, the temperature of the pH standard solution and the sample must be matched as much as possible, the electrode must be properly maintained, and the electrode's drop must be immersed in the sample. pH measurement itself is a simple task, but it is important to keep in mind the key points during measurement and to establish a maintenance method. It is important to follow the procedure for the measurement and maintenance of the electrode.
Other pH measurement methods besides the glass electrode method include the use of indicator such as litmus paper, hydrogen electrode, quinhydrone electrode, and antimony electrode methods.
Other Information on Digital pH Meter
1. Calibration of Digital pH Meter
Calibrating a pH meter means correctly adjusting the zero and span points (sensitivity) of the pH meter using a pH standard solution. Since there are specific operations depending on the digital pH meter used, the instructions provided with the meter should be given priority when performing the actual calibration.
There are three types of calibration: one-point calibration using one type of pH standard solution, two-point calibration using two types, and three-point calibration using three types, but two-point calibration is often used to calibrate pH meters. One-point calibration is a simplified calibration. For more rigorous calibration, three-point calibration is used.
The actual value of "electromotive force per pH" at a glass electrode is affected by contamination of the glass film and "alkaline error" and "acid error" (errors in strong alkaline and strong acid conditions, respectively). Therefore, the actual value is generally lower than the theoretical value (59.16mV at 25°C). The "pH7 EMF" also deviates from the theoretical value (0mV).
By performing calibration prior to measurement and periodically, highly accurate pH measurement can be achieved.
2. Calibration Solution for Digital pH Meter
The types, quality, and composition of pH standard solutions are as follows.
Oxalate pH Standard Solution
0.05mol/kg potassium trihydrogen dioxalate solution, pH 1.68 at 25°C
Phthalate pH Standard Solution
0.05mol/kg potassium hydrogen phthalate in aqueous solution, pH 4.01 at 25°C
Borate pH Standard Solution
0.01mol/kg sodium tetraborate aqueous solution, pH 9.18 at 25°C
Carbonate pH sStandard Solution
0.025mol/kg sodium bicarbonate and 0.025mol/kg sodium carbonate solution at pH 10.02
Neutral Phosphate Standard Solution
0.025mol/kg potassium hydrogen phosphate, 0.025mol/kg disodium hydrogen phosphate solution, pH 6.86 at 25°C
List of 23 Digital pH Meter Manufacturers
*Including some distributors, etc.
Sort by Features
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- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
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- United States of America
- Australia
- China
- Germany
- India
- Japan
- Republic of Korea
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Sper Scientific Ltd
pH Meters
Manufacturer Overview
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.
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Apera Instruments, LLC
Digital pH Meters
Manufacturer Overview
Apera Instruments, LLC, founded in 1991 and headquartered in Columbus, Ohio, USA, is a manufacturer of electrochemical sensors and instruments. The company specializes in making meters and sensors for a wide range of parameters such as pH, conductivity, TDS (Total Dissolved Solids), salinity, ORP (Oxidation-Reduction potential), DO (Dissolved Oxygen), turbidity, and ISE (Ion-Selective electrodes). It boasts ISO 9001 and CE certifications for optimal quality and precision in its products. Its offerings provide accurate measurements, making them indispensable tools for professionals in various industries, including water quality analysis, environmental monitoring, laboratory research, and food and beverage production.
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Milwaukee Instruments, Inc.
Digital pH Meters
Manufacturer Overview
Milwaukee Instruments, Inc. is a manufacturer of precision instrumentation and equipment for water analysis that was founded in 1989 and is headquartered in Rocky Mount, North Carolina, USA. The company's products encompass a range of analytical instruments including pH meters, EC meters, and refractometers. These instruments find applications in various sectors like agriculture, environmental monitoring, and aquaculture. Milwaukee Instruments also offers calibration, maintenance, and technical support services to ensure accurate measurements for its customers.
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Jenco Instruments
Digital pH Meters
Manufacturer Overview
Jenco Instruments, founded in 1973 in San Diego, California, USA is a manufacturer of water quality meters and digital portable pH meters. Its product range includes stationary meters designed for measuring one or multiple parameters, which can be paired with specific electrodes tailored for various functions, including ion-selective electrodes (ISE) for ion measurement. These instruments find applications in environmental research for monitoring water quality as well as in fields such as life sciences, medical research, pharmaceuticals, and laboratory work. The company offers the EC 115B Bluetooth device, designed for measuring visibility and temperature, which conveniently displays calibration data and history.
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Devar Inc.
Digital pH Meters
Manufacturer Overview
Devar Inc, established in 1961 and headquartered in Bridgeport, Connecticut, USA, is a manufacturer of instruments for monitoring, control, and data acquisition. The company specializes in producing a comprehensive range of products, including temperature sensors, pressure transmitters, flow meters, and level sensors. It holds ISO 9001 certification for optimal quality standards in its manufacturing processes, and the products offer precise and stable measurements, resulting in improved process efficiency and safety. It primarily serves the water and wastewater industries, providing essential instrumentation solutions for monitoring and controlling various parameters critical to water treatment and management.
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Omegasonics
Digital pH Tester
Manufacturer Overview
Omegasonics, established in 1996 and based in Simi Valley, California, USA, is a manufacturer of industrial and commercial ultrasonic cleaners. The company offers various ultrasonic cleaning equipment, including tabletop ultrasonic cleaners, benchtop ultrasonic cleaners, and industrial ultrasonic cleaning tanks. It holds ISO 9001:2015 certification for producing advanced cleaning solutions, and its ultrasonic cleaners provide numerous benefits, such as efficient and thorough cleaning, reduced labor costs, sustainable cleaning solutions, and the ability to clean complex and delicate parts effectively. It serves numerous industries, including automotive, aerospace, electronics, medical, and firearms manufacturing, where precision cleaning and contamination control are essential.
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Hanna Instruments, Inc.
Digital pH Meters
Company Overview
Hanna Instruments, Inc., established in 1978 and based in Woonsocket, RI, USA, is a manufacturer and supplier of scientific products. The company products are utilized in the examination of several sectors, including waste water, hydroponics, food and beverage, and laboratories. With the release of the pHep (pH Electronic Paper) pH tester, Hanna completely changed the field of pH testing. The company production facilities have ISO 9001:2000 certification, and all products adhere to international standards.
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Triplett Test Equipment & Tools.
Digital pH Meters
Company Overview
Triplett Test Equipment & Tools was established in 1901 and is headquartered in Bluffton, Ohio. The company is a manufacturer and distributor of electrical test equipment and tools. Triplett's product range includes digital multimeters, oscilloscopes, power quality analyzers, and a multiple other test equipment. The company's products are used by a wide range of customers, including electricians, engineers, and technicians. The company's products are also backed by a world-class warranty and are supported by a team of experienced engineers and technicians.
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Line Seiki Co.,Ltd.
Digital pH Meter
Manufacturer Overview
Line Seiki, a manufacturer of counters and test measuring instruments based in Tokyo, Japan, was founded in 1949. The company offers products such as limit switches, rotary encoders, tachometers, electronic counters, and measuring devices. The firm runs a solutions division where it provides length, counting, control, and IOT measures. The goods are included in pumps, billiard tables, roller shutters, copy machines, and vending machines. The business runs a design, development, and manufacturing-integrated production process for the products.
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ATAGO CO.,LTD.
pH Meter
Manufacturer Overview
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.
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Shinwa Rules Co., Ltd.
Digital pH Meter
Manufacturer Overview
Shinwa Rules Co. was founded in Niigata, Japan, in 1971. Shinwa Rules Co. develops a variety of measuring products including calipers, thermometers, hygrometers, laser optical apparatuses, and sheet heating elements. Above these, Shinwa develops metallic rulers and squares. Additionally, Shinwa operates as an OEM supplier for special calibrations and machine tools, special surface fabrication, and etching on metallic parts.
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HORIBA
LAQUA
Manufacturer Overview
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.
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Turtle Tough Pty Ltd.
Digital pH Meters
Manufacturer Overview
Turtle Tough Pty Ltd., founded in 1994 and headquartered in Victoria, Queensland, Australia, is a manufacturer of industrial liquid sensors. The company specializes in producing a broad range of liquid measurement sensors, including pH sensors, ORP (Oxidation-Reduction Potential) sensors, conductivity sensors, and turbidity sensors, used for robust quality and precision. It maintains ISO 9001 certification for producing advanced-quality, stable sensors that offer numerous benefits, such as extended lifespan, resistance to harsh environments, and minimal maintenance requirements, ensuring cost-effective and efficient operations. Its sensors find applications across various industries, including mining, water treatment, chemical processing, and environmental monitoring.
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Mettler-Toledo
Digital pH Meters
Manufacturer Overview
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.
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TOP Cloud-agri
DIGITAL SOIL MOISTURE PH METER
Manufacturer Overview
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.
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Royal Brinkman
pH meters
Manufacturer Overview
Royal Brinkman, established in 1885 and based in Brinkman, Canada, is a manufacturer of the products used in horticultural practices. The company supplies products, including monopotassium phosphate RB, Rosa Flor liqs, Georgia spraying trolleys, and Brinkman grafting clips. The products are used in crop protection, disinfection, crop care, crop rotation, and technical projects. The company has partners like Moleaer in Mexico who deliver and support Moleaer's nanobubble generators and products to high-tech greenhouse growers in Mexico.
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Panomex Inc.
Digital pH Meters for Water Testing
Company Overview
Panomex Inc., an established manufacturing company based in India with more than 15 years of experience, specializes in a wide range of industrial and scientific instruments. Their product portfolio includes digital moisture meters, gas detectors, ultrasonic thickness gauges, and more. The company also continues to deliver advanced solutions to a wide range industries, and owns manufacturing unit equipping with research and development lab, with an engineering team with sound experience in meteorology. They offer products to both Indian market and export to overseas mainly in Asia, Africa and Middle East countries.
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Machine Control System
pH Meter
Distributor Overview
Machine Control System., founded in India, is a supplier of electronic digital meters for control panels. The company's product portfolio includes a variety of digital meters such as voltage meters, current meters, frequency meters, and more, designed for easy integration into control panels and energy meters for accurate measurement of power consumption, helping industries monitor and optimize energy usage. It also provides technical support and assistance to ensure the successful integration and operation of our electronic digital meters.
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Digital pH Meter Manufacturer Ranking
*Including some distributors, etc.Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Devar Inc. |
13.7%
|
| 2 | Apera Instruments, LLC |
9.6%
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| 3 | Turtle Tough Pty Ltd. |
8.2%
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| 4 | Mettler-Toledo |
8.2%
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| 5 | Omegasonics |
6.8%
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| 6 | Panomex Inc. |
6.8%
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| 7 | Triplett Test Equipment & Tools. |
6.8%
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| 8 | Milwaukee Instruments, Inc. |
5.5%
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| 9 | Hanna Instruments, Inc. |
5.5%
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| 10 | Jenco Instruments |
5.5%
|
Derivation Method
The ranking is calculated based on the click share within the digital 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
- Mettler-Toledo: 16,200
- HORIBA: 8,205
- ATAGO CO.,LTD.: 310
Newly Established Company
- Shen Zhen YIERYI Technology Co., Ltd: 2012 (12 years ago)
- Omegasonics: 1996 (28 years ago)
- Apera Instruments, LLC: 1991 (33 years ago)
Company with a History
- Triplett Test Equipment & Tools.: 1904 (120 years ago)
- ATAGO CO.,LTD.: 1940 (84 years ago)
- Mettler-Toledo: 1945 (79 years ago)
Digital pH Meter Manufacturers in United States
*Including some distributors, etc.
- Sper Scientific Ltd
- Apera Instruments, LLC
- Milwaukee Instruments, Inc.
- Jenco Instruments
- Devar Inc.
- Omegasonics
- Hanna Instruments, Inc.
- Triplett Test Equipment & Tools.
Global Distribution of Digital pH Meter Manufacturers by Country
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
United States of America
|
8 | 38.1% |
Japan
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4 | 19.0% |
India
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3 | 14.3% |
China
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3 | 14.3% |
Australia
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1 | 4.8% |
Germany
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1 | 4.8% |
Republic of Korea
|
1 | 4.8% |
List of Digital pH Meter Products
44 products are listed.
Custom Co., Ltd.
AQUA Qualis Series Waterproof PH Type Bundle Model 06 PHB-1006PE
40+ people viewing
■ Approximately fine type sensor with a tip of about φ 3.3 mm x about 40 mm in length. Not only is it easy to insert into narrow places, but also s...
Custom Co., Ltd.
AQUA Qualis Series Fine diameter PH sensor PHS-06PE
40+ people viewing
Last viewed: 15 hours ago
An extra -fine type sensor with a tip of about φ 3.3mm x a length of about 40mm. Not only is it easy to insert into narrow places, but also suitabl...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 03 PHB-1003PE
30+ people viewing
■ A set model with a long blade sensor with a metal blade on the sensor section. It can be used by stabbing hard things such as soil, meat, and fru...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 02 PHB-1002PE
40+ people viewing
■ A set model with a short blade sensor with a metal blade on the sensor section. It can be used by stabbing hard things such as soil, meat, and fr...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 07 PHB-1007PE
40+ people viewing
■ The tip is about φ6.0mm x length about 85mm. Suitable for tube -shaped measurement objects such as test pipes. ・ PH value and temperature are d...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 08 PHB-1008PE
40+ people viewing
■ Includes a semicor suitable for a semi -solid object with low water content and a highly viscous measurement target. Because the tip is sharp, it...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 10 PHB-1010PE
40+ people viewing
■ High -sensitivity type sensor is included. Suitable for measurement of tap water and drinking water. ・ PH value and temperature are displayed si...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 09 PHB-1009PE
40+ people viewing
■ A short -term response type sensor is included. Suitable for measurement of pure water and ionized water with low -conductive electricity. ・ PH ...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 12 PHB-1012PE
40+ people viewing
■ Includes a salt water and high durability type sensor. Suitable for measurement of strong base, salt water strong base, salt water, etc. ・ PH va...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 11 PHB-1011PE
40+ people viewing
■ A high durability type sensor suitable for measurement containing fur acid is included. ・ PH value and temperature are displayed simultaneously ...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 13 PHB-1013PE
40+ people viewing
■ A sensor suitable for measurement of highly viscous substances with low water amount and semi -solid material is included. For protein -containin...
Custom Co., Ltd.
AQUA Qualis Series PH sensor PHS-07PE
40+ people viewing
About φ6.0mm φ6.0mm x length about 85mmine thin diameter type sensor Suitable for tube -shaped measurement objects such as test pipes. ■ The large...
Custom Co., Ltd.
Aqua Qualis Series Top Paste PH Sensor PHS-08PE
40+ people viewing
A sensor suitable for semi -solid objects with low water content and highly viscous measurement objects. Because the tip is sharp, it is easy to in...
Custom Co., Ltd.
Aqua Qualis series High sensitivity PH sensor PHS-10PE
40+ people viewing
High -sensitivity type sensor. Suitable for measurement of tap water and drinking water. ■ The large LCD screen can be displayed not only for each...
Custom Co., Ltd.
Aqua Qualis Series Waterproof PH Type Bundle Model 05 PHB-1005PE
40+ people viewing
■ Comes with a 1m cable sensor. The best set model when you want to use the main unit display and the hand at hand. ・ PH value and temperature are...
Custom Co., Ltd.
Aqua Qualis Series Blade Compatible Long PH sensor PHS-03PE
40+ people viewing
A PH-1000PE series sensor used by attaching metal blade (PHS-17PE / sold separately) to the sensor section. It can be used by stabbing hard things ...
Custom Co., Ltd.
Aqua Qualis Series Blade Compatible Short PH Sensor PHS-02PE
40+ people viewing
A PH-1000PE series sensor used by attaching metal blade (PHS-17PE / sold separately) to the sensor section. It can be used by stabbing hard things ...
Custom Co., Ltd.
Aqua Qualis series PH sensor for pure water PHS-09PE
30+ people viewing
A short -term response type sensor. Suitable for measurement of pure water and ionized water with low -conductive electricity. ■ The large LCD scr...
Custom Co., Ltd.
Aqua Qualis series PH sensor PHS-11PE
40+ people viewing
A high durability type sensor suitable for measurement containing fumbic acid. Suitable for drainage measurement containing furic acid. ■ The larg...
Custom Co., Ltd.
AQUA Qualis Series PH sensor for salt water PHS-12PE
40+ people viewing
Salt water high durability type sensor. Suitable for measurement of strong base, salt water strong base, salt water, etc. ■ The large LCD screen c...
Custom Co., Ltd.
Aqua Qualis series waterproof pH meter PH-1000PE
40+ people viewing
■ By changing 14 types of sensors for various uses, one unit can handle various measurement targets. ・ PH value and temperature are displayed simu...
Custom Co., Ltd.
Aqua Qualis series Cable PH sensor PHS-05PE
40+ people viewing
1m cable sensor. The main unit and the sensor can be measured. ■ The large LCD screen can be displayed not only for each target value but also at ...
Custom Co., Ltd.
Aqua Qualis Series PH General Standard Sensor PHS-01PE
50+ people viewing
Aqua Qualis series and waterproof pH standard. The sensor surface (about φ18.5 mm) can be measured by applying the measurement target. ■ The large...
Endress+Hauser Group Services AG
Water quality analysis meter PH/ORP composite electrode Memosens CPS16E corresponding to water quality analysis parameters
30+ people viewing
MEMOSENS 2.0 glass electrode suitable for standard applications for water treatment and drainage treatment industries ◾️ Application Memosens CPS...
Endress+Hauser Group Services AG
Water quality analytical meter 1 channel converter LIQUILINE COMPACT CM82 corresponding to water quality analysis parameters
50+ people viewing
Multi -parameter field device corresponding to dangerous places and non -dangerous application applications for all industries ◾️ Application The...
Shinko Technos Co., Ltd.
Digital instruction pH meter Aer-102-pH
120+ people viewing
Last viewed: 6 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...
Shinko Technos Co., Ltd.
Plug-in-type digital instruction PH meter WIL-102-PH
40+ people viewing
This is a digital instruction pH meter that is installed on the DIN rail in the control panel that supports various purposes such as top water, dra...
Shinko Technos Co., Ltd.
On-site PH/ORP meter FEB-102-PH
50+ people viewing
This is a site -type pH/ORP meter that is installed on the wall that supports various purposes, such as top water, drainage, training equipment, an...
Endress+Hauser Group Services AG
Water quality analysis meter Digital PH sensor MEMOSENS CPL53E corresponding to water quality analysis parameters
40+ people viewing
A variety of utilized Memosens 2.0 PH glass electrode for lab measurement and random sampling ◾️ Application Memosens CPL53E PH glass electrode s...
Monotone Technology
High -performance wireless sensor wireless PH measuring instrument with AI / BLE function Phai net series
40+ people viewing
In the Phai Next Series, in addition to the conventional advantages of PH measurement and wireless high -speed response, which have stable tap wate...
