FLXA21 YOKOGAWA PDF

FLEXA series was designed to put together common functions and have independent sensor parts, forming a modular architecture that allows easy assembling. This report introduces the specifications and functions of the FLXA21 and describes its hardware and software structure. Yokogawa has been offering the EXA series two- wire liquid analyzer for processes since 1. This analyzer has been used in various fields including the quality control of raw materials in process plants in the electric power and petrochemical industries, reaction management of products, quality control in waste water facilities, and quality monitoring of river water and tap water. The FLXA21 two-wire liquid analyzer, the first model of the modular-designed FLEXA series with flexible system configuration and expandability, is based on Yokogawa's long experience and achievements in process analyzers.

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With the FLXA, there is no need for multiple analyzers, since it is easily scalable at the site location by swapping the internal measurement module to what is needed, giving you more flexibility and optimizing your OPEX.

Through the installation of up to two sensors, FLXA realizes interruption-free measurement even during maintenance. Dual sensor measurement offers additional functionalities including a variety of calculated data from the two measuring parameters, as well as, the option to program the analyzer as a redundant system.

Additional functions include:. Users can opt to do without a display and can also select the case material plastic or stainless steel. Between measuring plant and control rooms, especially when the distance between these places is greater than the length of the standard appropriate electrode cables, the connecting equipment can be an expedient method for connecting sensor cables to a measuring instrument. One of the primary applications for high purity water is for boiler feed water.

The measurement of pure water pH can be one of the quickest indicators of process contamination in the production or distribution of pure water. Effective chemical treatment of the feed water is vital in maintaining the useful operating life and minimizing maintenance costs of the boiler.

The level of dissolved oxygen is critical to the quality and consistency of any brew. Too little dissolved oxygen results in the fermentation step of the process will lead to: off flavors e. Wet scrubbers are used in utilities, paper mills, and chemical plants to remove sulfur dioxide SO 2 and other pollutants from gas streams. Undesirable pollutants are removed by contacting the gases with an aqueous solution or slurry containing a sorbent.

For control of batch neutralization, a pH measurement coupled with a timer-controlled chemical feed scheme provides very satisfactory results. The term "cooling tower" is used to describe both direct open circuit and indirect closed circuit heat rejection equipment.

Cooling towers are heat-transfer units, used to remove heat from any water-cooled system. The cooled water is then re-circulated and thus, recycled back into the system. Since the process water is re-circulated, the mineral concentration increases as a result of the evaporation. The proliferation of microorganisms and the resultant formation of slime is a problem which commonly occurs in aqueous systems.

Slime deposits typically occur in many industrial aqueous systems including cooling water systems, pulp and paper mill systems, petroleum operations, clay and pigment slurries, recreational water systems, air washer systems, decorative fountains, food, beverage, and industrial process pasteurizers, sweetwater systems, gas scrubber systems, latex systems, industrial lubricants, cutting fluids, etc.

There are a number of suppliers of oil and fat products used for edible purposes. These products include, but are not limited to olive oil, peanut oil, soybean oil, sunflower oil, lard, shortening, butter, and margarine.

The raw materials for these products include animal by-products, fleshy fruits palm and olive , and oilseeds.

The kraft process also known as kraft pulping or sulfate process describes a technology for conversion of wood into wood pulp consisting of almost pure cellulose fibers. Wood chips are by harsh chemicals white liquor to produce pulp and spent liquor black liquor. Process liquid analyzers such as pH meters, conductivity meters, ORP meters, and density meters play an important role at electrolysis plants in the control of concentrations of various process solutions.

This requires both precision and stability under harsh conditions that include highly corrosive substances, high temperatures, and many impurities. Control of sodium chloride NaCl concentration at a salt dissolver where solid salt is dissolved in water, is highly important because of the electrolysis efficiency.

A conventional way of measuring the concentration of supersaturated NaCl solution had been performed by using non-contact type sensors e. Most zinc are produced at hydrometallurgically, where a high-grade zinc product can be obtained and valuable metals mixed in the raw material can be recovered.

In the hydrometallurgy, the raw material of zinc concentrate is roasted and then dissolved in sulfuric acid to remove impurities. The process called leaching and pH control of the leachate is important.

In a semiconductor plant, a variety of chemicals are used in various manufacturing processes. The chemicals used for specific purposes are produced by diluting raw liquid with demineralized water using in diluting equipment, and the control of the concentration at this point is performed by conductivity measurement.

Cyanide-bearing wastewater from mining and electroplating facilities and certain types of chemical plants is toxic and must be treated by oxidation with chlorine or chloride to bring the cyanide concentration within regulatory limits.

Problems at the wet end stock preparation can rarely be corrected downstream. That is why monitoring and controlling pH in pulp stock is critical to the paper making process.

Essentially, at every stage in the manufacture of paper, correct pH values play a vital role. The detectors used to perform dissolved oxygen DO measurement in oxidation ditch type sewage treatment plants tend to become dirty quickly and require frequent cleaning.

It has been d ifficult to remedy this problem inexpensively. One solution that significantly reduces the sensor maintenance workload is the use of float holders. Reverse osmosis RO is a separation process that uses pressure to force a solution through a membrane that retains the solute on one side and allows the pure solvent to pass to the other side.

More formally, it is the process of forcing a solvent from a region of high solute concentration through a membrane to a region of low solute concentration by applying a pressure in excess of the osmotic pressure. Wastewater from electroplating facilities and certain types of chemical plants contains toxic forms of hexavalent chromium such as chromate and dichromate. The hexavalent chromium in this wastewater must be reduced before the water can be discharged.

Removal of free oil and grease from a wastewater stream reduces the potential for equipment problems to occur further downstream.

There are three forms of oil encountered in wastewater treatment at a refinery. Many Ethanol plants running today are using a combination style pH electrode with a non-flowing reference to measure pH in the Mash Slurry transfer line from the Mash slurry mix tank to cook. Sour Water is the wastewater that is produced from atmospheric and vacuum crude columns at refineries. Hydrogen sulfide and ammonia are typical components in sour water that need to be removed before the water can be reused elsewhere in the plant.

Removal of these components is done by sending the sour water from the process to a stripping tower where heat, in the form of steam, is applied. Power plant boiler houses designed to burn coal or high sulfur oil are required by Federal and State pollution regulations to "scrub" remove sulfur dioxide from flue gasses to meet emission limits.

United States Pharmacopoeia USP is the governing body responsible for issuing guidelines for the pharmaceutical industry. Implementing these guidelines is required for companies that bring drugs to the US market. This means that USP is important to all pharmaceutical companies, period. Seawater leak detection is the post-condensation water quality management processes. Damage to the ion exchange resin, which deionizes the supplied water, is also monitored during this process, and both of these applications are executed by a conductivity analyzer.

Monitoring without an attentive eye can lead to severe consequences. Sodium chlorate is an inorganic compound with the chemical formula NaClO3. It is a white crystalline powder that is readily soluble in water. It is hygroscopic. Several hundred million tons are produced annually, mainly for applications in bleaching paper.

In flue gas desulfurization systems that use magnesium hydroxide Mg OH 2 slurry, the consumption of the desulfurization agent Mg OH 2 is controlled by using online pH analyzers.

To ensure accurate measurement, frequent cleaning of the electrodes with an acid is required, adding to both maintenance workload and cost. To defray energy costs, many industrial plants have their own boilers to generate steam to produce a portion of their energy needs.

In addition to generating power, the steam may also be used directly in plant processes or indirectly via heat exchangers or steam jacketed vessels. Yokogawa has been offering the EXA series two- wire liquid analyzer for processes since This analyzer has been used in various fields including the quality control of raw materials in process plants in the electric power and petrochemical industries, reaction management of products, quality control in waste water facilities, and quality monitoring of river water and tap water.

Looking for more information on our people, technology and solutions? Request a Quote. Technical Support. Customer Portal Brochures. Instruction Manuals General Specifications.

Details Resources Downloads. Features Product Selection Accessories. Application Note. Overview: One of the primary applications for high purity water is for boiler feed water. Industries: Power. Brewing Process. Overview: The level of dissolved oxygen is critical to the quality and consistency of any brew. Accurate pH Measurement in Limestone Scrubber.

Overview: Wet scrubbers are used in utilities, paper mills, and chemical plants to remove sulfur dioxide SO 2 and other pollutants from gas streams. Batch Neutralization. Overview: For control of batch neutralization, a pH measurement coupled with a timer-controlled chemical feed scheme provides very satisfactory results.

This system can be adapted for either acid waste or alkaline waste neutralization. Cooling Tower. Overview: The term "cooling tower" is used to describe both direct open circuit and indirect closed circuit heat rejection equipment.

Overview: The proliferation of microorganisms and the resultant formation of slime is a problem which commonly occurs in aqueous systems. Edible Fat and Oil Processing. Overview: There are a number of suppliers of oil and fat products used for edible purposes.

Industry:Food and Beverage. Kraft Pulping. Overview: The kraft process also known as kraft pulping or sulfate process describes a technology for conversion of wood into wood pulp consisting of almost pure cellulose fibers. Liquid Analyzers for Electrolysis Plants. Overview: Process liquid analyzers such as pH meters, conductivity meters, ORP meters, and density meters play an important role at electrolysis plants in the control of concentrations of various process solutions.

Overview: Control of sodium chloride NaCl concentration at a salt dissolver where solid salt is dissolved in water, is highly important because of the electrolysis efficiency.

Overview: Most zinc are produced at hydrometallurgically, where a high-grade zinc product can be obtained and valuable metals mixed in the raw material can be recovered. Industry:Chemical, Power. Overview: In a semiconductor plant, a variety of chemicals are used in various manufacturing processes.

HACHEUR ELEVATEUR PDF

2-Wire Dual Channel Transmitter/Analyzer FLXA202/21

Downloading of the software indicates acceptance of the software agreement. Process analyzers are used to determine the chemical composition or physical properties of substances involved in industrial processes. Under no circumstances is any dumping, reverse compiling, reverse assembly, reverse engineering, or any other kind of alteration or revision of this software allowed. This software is offered free of charge, but no unlimited warranties are made against any defects whatsoever. Also, Yokogawa may not be able to accept inquiries regarding repair of defects in or questions about this software. The contents of this software are subject to change without prior notice as a result of continuing improvements to the software's performance and functions. Yokogawa bears no liability for any problems that may occur during download or installation of this software.

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Fieldbus DD/CF file - pH/ORP Converter FLXA21

With the FLXA, there is no need for multiple analyzers, since it is easily scalable at the site location by swapping the internal measurement module to what is needed, giving you more flexibility and optimizing your OPEX. Through the installation of up to two sensors, FLXA realizes interruption-free measurement even during maintenance. Dual sensor measurement offers additional functionalities including a variety of calculated data from the two measuring parameters, as well as, the option to program the analyzer as a redundant system. Additional functions include:. Users can opt to do without a display and can also select the case material plastic or stainless steel. Between measuring plant and control rooms, especially when the distance between these places is greater than the length of the standard appropriate electrode cables, the connecting equipment can be an expedient method for connecting sensor cables to a measuring instrument. One of the primary applications for high purity water is for boiler feed water.

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FLXA21 Modular Two-wire Liquid Analyzer in FLEXA Series

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