This section provides an overview for water quality sensors as well as their applications and principles. Also, please take a look at the list of 15 water quality sensor manufacturers and their company rankings.
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Water quality sensors are a combination of multiple sensors to measure water quality. Depending on the product, most are equipped with sensors for pH (hydrogen ion concentration), ORP (oxygen reduction potential), DO (dissolved oxygen), EC (electrical conductivity), and others. In addition to these items, there are also types that can measure water temperature, water level, water pressure, etc. In addition, there are two types of sensors: installed types and portable types that can be carried around. The portable type consists of a stick-shaped sensor and the main unit (monitor and buttons) connected by a cable. The electrode is placed into the water surface and the values are read from the panel on the main unit.
Water quality sensors are mainly intended for use in the field, in factories, and in other practical settings. For example, they are used by research institutes to measure water quality in rivers, lakes, and the sea. In agriculture to manage hydroponics, liquid fertilizer, and agricultural wastewater; and in factories to control wastewater. Because of the risk of falling when used outdoors or in the field, the instruments are designed to be robust and easy to operate, even with one hand. Some models are also available that are highly adaptable to heat and have been developed to enable measurement in places where temperature changes are severe.
Water quality sensors are combined as needed to measure multiple water quality parameters, and the sensors used vary from instrument to instrument. Therefore, calibration methods, handling precautions, and the service life of each part vary from device to device. The major measurement items of water quality sensors and their significance are explained below.
*Including some distributors, etc.
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KROHNE Group began in Duisburg, Germany in 1921 as a producer of variable area flowmeters. Today KROHNE isa a provider of industrial measurement products, solutions, and services. KROHNE services the chemical, food & beverage, life sciences, marine, metal & mining, nuclear, oil & gas, power generation, pulp & paper, water & wastewater, and sustainable energies industries. KROHNE product lines include tools for flow, level, temperature, and pressure measurement as well as process analytics and smart flow control. KROHNE offers full solutions for flow metering, monitoring, and wireless and remote metering applications.
ifm efector (ifm) is a subsidiary of ifm electronic, founded in Germany in 1969. ifm has developed, manufactured and marketed sensors and controls technology to industries that include assembly and robotics, automotive, material handling, metal forming, mobile equipment, plastics, and food and beverage. Ifm produces sensors, condition monitoring equipment, image processing, safety technology, industrial communication, IO-link, systems for mobile machines, displays, software, connection technology, voltage supplies, as well as other accessories.
MOD-TRONIC Instruments Limited was established in 1972 in Brampton, Ontario, Canada. MTis a distributor of industrial sensors, transducers, heaters, controls, and instrumentation, primarily made in the USA as well as Japan, Switzerland, and Germany. MT’s customers are primarily in the aerospace, building automation, manufacturing, medical, military, oil and gas, and water treatment industries but also serves individuals. MT offers an above industry standard 5-year warranty and technical support on every product sold.
Ranking as of March 2023 in United States of AmericaDerivation Method
|4||Omega Engineering, Inc.||8.3%|
|5||Inventive Systems, Inc.||8.3%|
|6||Swan Analytical USA, Inc.||8.3%|
|7||Mod-Tronic Instruments Limited||8.3%|
|10||ifm efector, inc.||8.3%|
Ranking as of March 2023 GloballyDerivation Method
|3||Omega Engineering, Inc.||15.4%|
|5||Inventive Systems, Inc.||7.7%|
|6||Swan Analytical USA, Inc.||7.7%|
|7||Mod-Tronic Instruments Limited||7.7%|
|10||ifm efector, inc.||7.7%|
Derivation MethodThe ranking is calculated based on the click share within the water quality sensor page as of March 2023. 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.
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