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Sea-Bird Scientific
Pure Aqua, Inc.
Pentair Aquatic Eco-Systems, Inc.
Myron L Company
Laval Lab Inc.
LaMotte Co.
HORIBA
Campbell Scientific, Inc.
Aquaread Ltd.
Applied Membranes, Inc.
Acustrip

11 Water Tester Manufacturers in 2024

This section provides an overview for water testers as well as their applications and principles. Also, please take a look at the list of 11 water tester manufacturers and their company rankings. Here are the top-ranked water tester companies as of January, 2025: 1.LaMotte Co., 2.Myron L Company, 3.Applied Membranes, Inc..

Table of Contents

Categories Related to Water Testers

List of 11 Water Tester Manufacturers

*Including some distributors, etc.

Sort by Features

  • Default
  • Company Size: largest first
  • Year Founded: oldest first
  • Year Founded: earliest first

Sort by Area

  • United States of America
  • Canada
  • Japan
  • United Kingdom
    • Pure Aqua, Inc.
      • United States of America Address: 2230 S Huron Dr, Santa Ana, California, United States of America

      Manufacturer Overview

      Pure Aqua Inc., founded in the United States since 2001, is a manufacturer and supplier of advanced water treatment solutions. Specializing in custom-engineered systems, the company serves a wide range of industries, including desalination, wastewater, and residential applications. Their global presence ensures seamless access to its wide-range products and services. They design and manufacture commercial and industrial reverse osmosis (RO) water treatment and purification systems with over 9,000 water purification systems built, including 2,000 customized systems. Their systems generates over 200 million gallon of purified water every day for more than 3,000 customers worldwide in over 200 countries.

    • Myron L Company
      • United States of America Address: 2450 Impala Drive, Carlsbad, California, United States of America

      Company Overview

      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.

    • Applied Membranes, Inc.
      • United States of America Address: 2450 Business Park Dr. Vista, California, United States of America

      Company Overview

      Applied Membranes, Inc., founded in 1983 with headquarters in the USA, is a manufacturer and distributor of membranes and water treatment systems. The company's products include membrane elements, water filters, membrane filter housing equipment, ultraviolet drinking water disinfection systems, and water treatment accessories and consumables. OEM customers can order directly from Applied Membranes, Inc., and retail customers can purchase products from the Water Anywhere website store. The company also provides installation services for complex systems and after-sales support for both retail and OEM customers.

    • LaMotte Co.
      • United States of America Address: 802 Washington Ave. Chestertown, Maryland, United States of America

      Company Overview

      LaMotte Co. is a manufacturer of reagents and equipment used for water analysis. Founded in 1919, the company produces various electronic instruments like turbidity meters, portable test kits, and software at their 15 acre industrial park in Chestertown, Maryland. The company's products have applications in environmental education, the pool and spa markets, industrial water treatment, and soil testing. LaMotte Co. also provides clients with custom solutions, technical support, and local access through its partner distributors across North America, Asia, Europe, and Australia.

    • Pentair Aquatic Eco-Systems, Inc.
      • United States of America Address: 400 Regency Forest Drive, Suite 300, Cary, North Carolina, United States of America

      Distributor Overview

      Pentair Aquatic Eco-Systems is a supplier of commercial Aquaculture systems and equipment in Florida. The company offers tanks and pumps and products for Aeration & Oxygenation such as air valves and compressors, Aquatic feed and feeders, Chillers and Heaters, Cleaning, Field and Hatchery supplies. The tanks are available in various materials and sizes like Fiberglass tanks, Polyethylene tanks, storage, and insulated and sealed tanks as well. They largely cater to the commercial Aquaculture industry providing all the necessary equipment.

    • HORIBA
      • Japan Address: 2Miyanohigashi, Kisshoin, Minami-ku, Kyoto, Japan

      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.

    • Acustrip

      Manufacturer Overview

      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.

    • Aquaread Ltd.
      • United Kingdom Address: Bridge House, Northdown Industrial Park, Broadstairs, Kent, United Kingdom

      Company Overview

      Aquaread Ltd. develops and manufactures scientific water quality monitoring instruments specializing in multi-parameter water testing equipment and highly accurate water level and temperature loggers. The company started in 2008 and has its main office in Broadstairs, UK, along with a sales office in Singapore. Testing instruments are segmented into water quality, water level, and telemetry. Its product line includes AquaPlus probes, AP-Lite digital meter, Aquasonde, GPS Aquameter, Leveline, and more. It also provides data loggers, software, and calibration services. With 50 dealers worldwide, the company works in surface water, groundwater, and wastewater sectors, assisting with flood monitoring, marine, and construction.

    • Campbell Scientific, Inc.

      Company Overview

      Campbell Scientific Inc., established in 1974 and headquartered in Logan, Utah, is a designer and manufacturer of measurement, data acquisition systems, and data loggers. The company sells sensors, measurement devices, and OEM products for water, weather, and soil applications. It also provides software for several purposes, including communication between data loggers and supporting data logger programming. It is ISO 14001, ISO 9001, and ISO 27001 certified, and it marketed its first product, named the CA-9 Path-Averaging Laser Anemometer, in 1974. It introduced its first data acquisition system, the CR5 Digital Recorder, in 1975.

    • Laval Lab Inc.
      • Canada Address: 2567 Chomedey Boulevard, Laval, Quebec, Canada

      Distributor Overview

      Laval Lab Inc., a company founded in 1982, is a distributor of scientific instruments and laboratory equipments in Laval, Canada. The company offers a diverse range of products suitable for biotechnology, cement, mining, and material engineering industries application. The product portfolio includes crushers, ultrasonic cleaners, water-testing instruments, and sample preparation equipment for XRF analysis. Its biotechnology product line meets the ASME standards. The company also offers services relevant to the instrumentation industries, such as calibration, maintenance, installation, training, and project management.

Water Tester Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the water tester page as of January 2025. 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

  1. HORIBA: 8,205

Newly Established Company

  1. Applied Membranes, Inc.: 1983 (42 years ago)
  2. Myron L Company: 1957 (68 years ago)
  3. HORIBA: 1945 (80 years ago)

Company with a History

  1. HORIBA: 1945 (80 years ago)
  2. Myron L Company: 1957 (68 years ago)
  3. Applied Membranes, Inc.: 1983 (42 years ago)

Water Tester Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Water Tester Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 5 62.5%
Japan Japan 1 12.5%
United Kingdom United Kingdom 1 12.5%
Canada Canada 1 12.5%

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List of Water Tester Products

81 products found

81 products

Ebara Jitsugyo Co., Ltd.

BOD meter/COD meter Submerged immersion type water quality measuring device spectro::lyser Spectrolyzer (BOD meter/COD meter [absorbance output possible])

60+ people viewing

Last viewed: 2 hours ago

Standard Response

Response Rate
100.0 %
Response Time
19.2 hours

■Summary It can display instantaneous values, graphs of changes over time, each measured value, absorption spectrum, etc., and also records the dat...

Ebara Jitsugyo Co., Ltd.

BOD meter/COD meter Underwater immersion type water quality measuring device carbo::lyser Carbolyzer (BOD meter/COD meter)

50+ people viewing

Last viewed: 3 hours ago

Standard Response

Response Rate
100.0 %
Response Time
19.2 hours

■Summary Suspended solids/COD, BOD, TOC, UV254 continuous monitor. This type limits the measurement items to two: organic carbon compounds and turb...

Anatec Yanaco Co., Ltd.

AQUA water quality measuring device COD automatic measuring device COD-3100

60+ people viewing

Last viewed: 3 hours ago

An automated device that measures COD (Chemical Oxygen Consumption), an important parameter for knowing the water quality of river water or industr...

Environmental Electronics Co., Ltd.

Standard for automatic water quality monitoring equipment NBA-03

40+ people viewing

Last viewed: 11 hours ago

■Summary This device is a device that automatically monitors water quality continuously 24 hours a day, making use of the small fish, the Japanese ...

Grid Link Co., Ltd.

Easy-to-use IoT cloud water quality monitoring/other item measurement system

160+ people viewing

Last viewed: 3 hours ago

Fast Response

Response Rate
100.0 %
Response Time
6.8 hours

A cloud-based water quality remote monitoring system that combines a multi-item water quality meter and an IoT system. Centrally manage multiple se...

Ebara Jitsugyo Co., Ltd.

UV meter (organic pollution/SS) Submersible water quality measuring device nitro::lyser Nitrolyzer (NO3-N meter)

60+ people viewing

Last viewed: 3 hours ago

Standard Response

Response Rate
100.0 %
Response Time
19.2 hours

■Features ・This is a measuring device whose measurement items are limited to nitrate nitrogen and turbidity. ・A wide range of monitoring is possi...

Anatec Yanaco Co., Ltd.

AQUA water quality measuring device COD automatic measuring device (reagent small quantity specification) COD-380R

60+ people viewing

Last viewed: 3 hours ago

An automated device that measures COD (Chemical Oxygen Consumption), an important parameter for knowing the water quality of river water or industr...

Ebara Jitsugyo Co., Ltd.

UV meter (organic pollution/SS) Submersible water quality measuring device uv::lyser U-UV meter (UV meter)

50+ people viewing

Last viewed: 2 hours ago

Standard Response

Response Rate
100.0 %
Response Time
19.2 hours

■Features ・This is a measuring device that limits the measurement items to two: suspended solids and UV254 absorbance. ・Monitoring is possible fo...

Anatec Yanaco Co., Ltd.

AQUA water quality measuring device TOC automatic measuring device TOC-380D

60+ people viewing

Last viewed: 3 hours ago

There are various indicators set by the government for pollutants in wastewater discharged from factories, business offices, etc., and organic poll...

Yagyu Shokai Co., Ltd.

Water quality testing equipment/supplies Multi-photometer (multi-item water quality meter/PrimeLab2.0)

30+ people viewing

Last viewed: 3 hours ago

Very Fast Response

Response Rate
100.0 %
Response Time
2.9 hours

■Features -A water quality testing device that can measure more than 30 types of items, including residual chlorine, with one unit. - Can be linked...

Yagyu Shokai Co., Ltd.

Water quality testing equipment/supplies RQ Flex (multi-item water quality testing device)

30+ people viewing

Last viewed: 3 hours ago

Very Fast Response

Response Rate
100.0 %
Response Time
2.9 hours

■Features ・Cost and time can be saved due to quick analysis. -Can store up to 50 measurement methods at once. ■Applications ・Nutritional diagnos...

Osmo Co., Ltd.

Easy to check water quality water quality monitor AC-1

310+ people viewing

Last viewed: 3 hours ago

Very Fast Response

Response Rate
100.0 %
Response Time
5.9 hours

Can be used outdoors. A water quality monitor that can connect to the head and piping of the cartridge pure water device. No maintenance, no constr...

Osmo Co., Ltd.

No construction with piping and no construction inline water quality monitor register

340+ people viewing

Last viewed: 15 hours ago

Very Fast Response

Response Rate
100.0 %
Response Time
5.9 hours

Inline water quality meter that informed the water quality with a green and red LED lamp. There is no operation, and the water quality is known as ...

Ogawa Seiki Co., Ltd.

Tabletop water quality meter (ISE/M/MA/PH/EC) OSK 97MD300F series

290+ people viewing

Last viewed: 3 minutes ago

Standard Response

4.5 Company Review

Response Rate
100.0 %
Response Time
15.1 hours

■Features - Large, easy-to-read 5.7-inch LCD display screen. ・Measurement mode can be selected from automatic reading, auto hold, and interval mea...

5 models listed

OSK 97MD300F-M-Tabletop water quality meter (ISE/M/MA/PH/EC) OSK 97MD300F series
OSK 97MD300F-MA-Tabletop water quality meter (ISE/M/MA/PH/EC) OSK 97MD300F series
OSK 97MD300F-PH-Tabletop water quality meter (ISE/M/MA/PH/EC) OSK 97MD300F series
OSK 97MD300F-EC-Tabletop water quality meter (ISE/M/MA/PH/EC) OSK 97MD300F series
OSK 97MD300F-ISE-Tabletop water quality meter (ISE/M/MA/PH/EC) OSK 97MD300F series

Ogawa Seiki Co., Ltd.

Tabletop water quality meter (ECM/EC/PHM/PH) OSK 97MD200E series

190+ people viewing

Last viewed: 3 hours ago

Standard Response

4.5 Company Review

Response Rate
100.0 %
Response Time
15.1 hours

■Features -Large 6.0-inch high-resolution LCD display screen with good visibility. ・Measurement mode can be selected from automatic reading and au...

4 models listed

OSK 97MD200E-PH-Tabletop water quality meter (ECM/EC/PHM/PH) OSK 97MD200E series
OSK 97MD200E-PHM-Tabletop water quality meter (ECM/EC/PHM/PH) OSK 97MD200E series
OSK 97MD200E-EC-Tabletop water quality meter (ECM/EC/PHM/PH) OSK 97MD200E series
OSK 97MD200E-ECM-Tabletop water quality meter (ECM/EC/PHM/PH) OSK 97MD200E series

Ogawa Seiki Co., Ltd.

Portable water quality meter (pH, electrical conductivity, ISE, dissolved oxygen) OSK 97MD310F series

240+ people viewing

Last viewed: 3 hours ago

Standard Response

4.5 Company Review

Response Rate
100.0 %
Response Time
15.1 hours

■Features ・Large, easy-to-read 3.5-inch LCD display screen ・Measurement mode can be selected from automatic reading, auto hold, and interval meas...

5 models listed

OSK 97MD310F-M-Portable water quality meter (pH, electrical conductivity, ISE, dissolved oxygen) OSK 97MD310F series
OSK 97MD310F-MA-Portable water quality meter (pH, electrical conductivity, ISE, dissolved oxygen) OSK 97MD310F series
OSK 97MD310F-PH-Portable water quality meter (pH, electrical conductivity, ISE, dissolved oxygen) OSK 97MD310F series
OSK 97MD310F-EC-Portable water quality meter (pH, electrical conductivity, ISE, dissolved oxygen) OSK 97MD310F series
OSK 97MD310F-DO-Portable water quality meter (pH, electrical conductivity, ISE, dissolved oxygen) OSK 97MD310F series

Ogawa Seiki Co., Ltd.

Portable water quality meter (pH, electrical conductivity, dissolved oxygen) OSK 97MD210E series

230+ people viewing

Last viewed: 3 hours ago

Standard Response

4.5 Company Review

Response Rate
100.0 %
Response Time
15.1 hours

■Features ・Large, easy-to-read 3.5-inch LCD display screen ・Measurement mode can be selected from automatic reading and auto hold. ・Auto/manual ...

3 models listed

OSK 97MD210E-PH-Portable water quality meter (pH, electrical conductivity, dissolved oxygen) OSK 97MD210E series
OSK 97MD210E-EC-Portable water quality meter (pH, electrical conductivity, dissolved oxygen) OSK 97MD210E series
OSK 97MD210E-DO-Portable water quality meter (pH, electrical conductivity, dissolved oxygen) OSK 97MD210E series

Ogawa Seiki Co., Ltd.

Single Parameter Pocket Tester

420+ people viewing

Last viewed: 3 hours ago

Standard Response

4.5 Company Review

Response Rate
100.0 %
Response Time
15.1 hours

■Product features - Compact, lightweight, and ergonomically designed, this measuring instrument is ideal for those who require quick and reliable m...

10 models listed

OSK 47NXMW100-Single Parameter Pocket Tester
OSK 47NXMW101-Single Parameter Pocket Tester
OSK 47NXMW102-Single Parameter Pocket Tester
OSK 47NXMW301-Single Parameter Pocket Tester
OSK 47NXMW302-Single Parameter Pocket Tester
OSK 47NXMW401-Single Parameter Pocket Tester

Ogawa Seiki Co., Ltd.

Multi-parameter pocket tester

200+ people viewing

Last viewed: 3 hours ago

Standard Response

4.5 Company Review

Response Rate
100.0 %
Response Time
15.1 hours

■Product features ・Portable with compact body and wide measurement range ・Portable, ideal for field measurements ・Large, easy-to-read display ・...

6 models listed

OSK 47NXMi105-Multi-parameter pocket tester
OSK 47NXMi106-Multi-parameter pocket tester
OSK 47NXMi306-Multi-parameter pocket tester
OSK 47NXMi605-Multi-parameter pocket tester
OSK 47NXMi805-Multi-parameter pocket tester
OSK 47NXMi806-Multi-parameter pocket tester

Shoei Co., Ltd.

Chemicals/Measuring Instruments DPD Residual Chlorine/pH Meter Test Kit

210+ people viewing

Last viewed: 11 hours ago

Response Rate
100.0 %
Response Time
35.6 hours

■Applications Since it can measure chlorine and pH, you can easily and reliably check the water quality of bathtubs, pools, etc. ■Residual chlorin...

2 models listed

Test kit-Chemicals/Measuring Instruments DPD Residual Chlorine/pH Meter Test Kit
DPD kit-Chemicals/Measuring Instruments DPD Residual Chlorine/pH Meter Test Kit

Shoei Co., Ltd.

Water quality control device NJ Automatic residual chlorine concentration control device New Jun

580+ people viewing

Last viewed: 2 hours ago

Response Rate
100.0 %
Response Time
35.6 hours

■Applications It can be used to measure and control the residual chlorine concentration in bath water, pool water, etc. (tap water, hot spring wate...

10 models listed

NJ-PD-1 50Hz-Water quality control device NJ Automatic residual chlorine concentration control device New Jun
NJ-PD-1 60Hz-Water quality control device NJ Automatic residual chlorine concentration control device New Jun
NJ-PD-1L 50Hz-Water quality control device NJ Automatic residual chlorine concentration control device New Jun
NJ-PD-1L 60Hz-Water quality control device NJ Automatic residual chlorine concentration control device New Jun
NJ-D-1 50Hz-Water quality control device NJ Automatic residual chlorine concentration control device New Jun
NJ-D-1 60Hz-Water quality control device NJ Automatic residual chlorine concentration control device New Jun

Shoei Co., Ltd.

Water quality control device HJ Automatic residual chlorine concentration control device with data log Hyper Pure

360+ people viewing

Last viewed: 11 hours ago

Response Rate
100.0 %
Response Time
35.6 hours

■Applications It can be used to measure and control the residual chlorine concentration in bath water, pool water, etc. (tap water, hot spring wate...

4 models listed

HJ-P-2-Water quality control device HJ Automatic residual chlorine concentration control device with data log Hyper Pure
HJ-2-Water quality control device HJ Automatic residual chlorine concentration control device with data log Hyper Pure
HJ-P-1-Water quality control device HJ Automatic residual chlorine concentration control device with data log Hyper Pure
HJ-1-Water quality control device HJ Automatic residual chlorine concentration control device with data log Hyper Pure

Shoei Co., Ltd.

Water quality control device WHJ Mutual diagnosis type automatic residual chlorine concentration control device

270+ people viewing

Last viewed: 11 hours ago

Response Rate
100.0 %
Response Time
35.6 hours

■Applications It can be used to measure and control the residual chlorine concentration in bath water, pool water, etc. (tap water, hot spring wate...

2 models listed

WHJ-P-1-Water quality control device WHJ Mutual diagnosis type automatic residual chlorine concentration control device
WHJ-P-2-Water quality control device WHJ Mutual diagnosis type automatic residual chlorine concentration control device

Shoei Co., Ltd.

Water quality comprehensive monitoring device Yu

310+ people viewing

Last viewed: 3 hours ago

Response Rate
100.0 %
Response Time
35.6 hours

■ Simultaneous measurement of 7 water quality items A comprehensive monitoring device that can measure up to 7 water quality items simultaneously. ...

3 models listed

ODS7-Water quality comprehensive monitoring device Yu
ODS5-Water quality comprehensive monitoring device Yu
ODS3-Water quality comprehensive monitoring device Yu

Shoei Co., Ltd.

Water quality control device New Sei Solid chlorine automatic dissolving chlorine concentration control device

190+ people viewing

Last viewed: 2 hours ago

Response Rate
100.0 %
Response Time
35.6 hours

■Water type automatic injection specification It has a structure that prevents tablet dissolution from occurring, making it compatible with concent...

Apera Instruments Co., Ltd.

PC8500 High performance type portable pH/EC multi-water quality meter pH/EC/TDS/Salinity/Resistivity/℃ Data management function included

170+ people viewing

Last viewed: 3 hours ago

Response Rate
100.0 %
Response Time
39.7 hours

■Product structure characteristics ・Since the pH connector is a BNC connector type, APERA/LabSen® glass electrodes for special applications can al...

Price (without tax)

$ 513.50

Sogo Water Treatment Co., Ltd.

Measuring instrument Resistivity meter MH-7

40+ people viewing

Last viewed: 3 hours ago

Response Rate
100.0 %
Response Time
74.4 hours

■Applications Water quality (specific resistance) measurement of pure water and ultrapure water ■Features With alarm contact. Water quality/water ...

Sogo Water Treatment Co., Ltd.

Measuring instrument Resistivity meter MH-9

40+ people viewing

Last viewed: 1 hour ago

Response Rate
100.0 %
Response Time
74.4 hours

■Applications Measurement of water quality (electrical conductivity and desalination rate) of tap water and pure water ■Features With alarm contac...

Sogo Water Treatment Co., Ltd.

Measuring instrument Electric conductivity meter RG-12

30+ people viewing

Last viewed: 3 hours ago

Response Rate
100.0 %
Response Time
74.4 hours

■Applications Pure water quality (electrical conductivity) measurement ■Features With alarm contact. Additionally, a buzzer will notify you of poo...

Apera Instruments Co., Ltd.

PC850 Standard type Portable pH/EC multi-water quality meter Simultaneous measurement of pH/EC/TDS/ORP/℃

90+ people viewing

Last viewed: 2 hours ago

Response Rate
100.0 %
Response Time
39.7 hours

■Product structure characteristics ・Since the pH connector is BNC type, APERA/LabSen® glass electrodes for special applications can also be connec...

Price (without tax)

$ 376.35







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