2-Wire Dual Channel Transmitter/Analyzer FLXA21

FLXA21은 2-wire 모듈형 액체 분석기로, pH/ORP 측정기, 전도도 측정기, 유도 전도도 측정기, 용존 산소 측정기에서 최대 두 개의 검출기에 연결할 수 있습니다.

동일한 유형의 두 개의 검출기를 연결하면 고정밀 듀플렉스 시스템으로 더 신뢰할 수 있는 시스템을 구축할 수 있습니다.

그리고 검출기의 임피던스, 비대칭 전위, 기울기 등이 지속적으로 측정되며, 전극의 오염, 손상, 파손, 낮은 측정 액체의 수준 같은 상태를 지속적으로 진단합니다.

이 검출기의 자가 진단 기능은 유지 보수 비용을 줄이고 운영 비용(OPEX)을 개선합니다.

About OpreX

OpreX는 Yokogawa의 산업 자동화(IA) 및 제어 비즈니스를 위한 종합 브랜드로, 관련 기술 및 솔루션의 우수성을 상징합니다. 각 카테고리 아래의 제품군와 패밀리로 구성되어 있습니다. 이 제품은 OpreX Measurement 카테고리에 속하는 OpreX Analyzers 제품군에 속합니다.

Details

Features of FLXA21

두 개의 검출기로 높은 신뢰성과 디지털 통신을 통한 유지보수 및 계측 비용 절감

  • pH/ORP, 전도도 및 용존 산소 검출기는 동일한 유형의 두 개에 연결할 수 있습니다
  • 더 높은 신뢰성 측정을 위한 두 개의 감지기가 있는 백업 시스템
  • 두 가지 다른 지점을 측정하여 설치 비용과 공간 절약을 달성했습니다
  • 두 개의 감지기로 유지보수 중 중단 없이 연속적으로 측정할 수 있습니다
  • HART 커뮤니케이션을 통한 유지보수/계기 비용 절감

모듈식 구조를 통한 확장성 향상

  • 모듈식 구조를 통한 풍부한 시스템 구축

다양한 고급 기능 탑재

  • 검출기의 자가 진단 기능
    검출기의 임피던스, 비대칭 전위, 기울기 등이 지속적으로 측정됩니다
  • 건강 및 유지보수 시기 예측
    최신 5가지 보정 결과를 저장하고 향후 유지보수 및 보정 시기를 예측합니다
  • 내장된 빠른 설정
    간편한 최소 설정을 위한 화면 지침(가이드)

향상된 조작성과 향상된 조작 화면을 위한 터치스크린

  • 화면과 상호 작용하는 동안 신뢰할 수 있고 친근한 작동
  • 다양한 디스플레이 모드를 사용할 수 있으며, 높은 자유도를 선택할 수 있습니다.

다양한 용도에 적합한 센서

  • 다양한 유형의 pH/ORP, 전도성, 전자기 전도성 및 용존 산소 검출기에 연결할 수 있습니다

12개 언어 중에서 선택 가능

  • 일본어, 영어, 중국어, 한국어, 독일어, 프랑스어, 러시아어, 이탈리아어, 스페인어, 체코어, 폴란드어, 포르투갈어

KOSHA, ATEX 및 기타 다양한 유형의 방폭 기능과 호환됩니다

  • 본질적으로 안전한 유형의 ATEX, IECEx, FM, CSA 및 NEPSI이며 FM 및 CSA를 유발하지 않습니다.

커뮤니케이션 지원

  • HART, Profibus, FieldBus

 

Common specification

Area Classification General Purpose 
Class I Div II (without the use of IS Barrier)
Class I Div I (with the use of IS Barrier)
Enclosure Material Plastic (Polycarbonate)
Housing Rating IP66/ NEMA 4A/ CSA 3S
Power Supply 2-wire 24 VDC Loop Powered
Output Signal Bi-directional HART digital communication, superimposed on mA (4-20 mA) signal
Optional FF (FOUNDATION Fieldbus) and PF (Profibus) communication
Intrinsically safe type ATEX, IECEx, FM, CSA and NEPSI, and nonincendive of FM and CSA.

Features of pH and ORP measurement

온도 보정 기능과 안정성 검사 기능을 갖춘 내장된 보정 표준 테이블은 고정밀 pH 측정을 실현합니다.
pH 측정 외에도 온도와 산화환원 전위(ORP)도 측정할 수 있습니다.검출기의 진단 기능으로 임피던스, 비대칭 전위, 기울기 등을 지속적으로 측정하여 전극의 더러움/손상, 단선, 측정액 수위 저하 등 검출기의 상태를 지속적으로 진단합니다. 또한 최신 5가지 보정 결과를 저장하여 향후 유지보수 및 보정 시기를 예측합니다.

pH sensors for FLXA21

pH and ORP measurement specification

Input Range pH: -2 to 16 pH (with option /K: 0 to 14 pH) 
ORP: -1500 to 1500 mV 
rH: 0 to 100 rH 
Temperature: Pt1000, Pt100, 6.8k, PTC10k, 3k Balco, PTC500: -30 to 140 ºC, NTC 8k55: -10 to 120 ºC
Performance
(The specifications are expressed with simulated inputs.)
pH Linearity: ±0.01 pH, Repeatability: ±0.01 pH, Accuracy: ±0.01 pH
ORP Linearity: ±1 mV, Repeatability: ±1 mV, Accuracy: ±1 mV
Temperature with Pt1000, PTC500, 6.8k, PTC10k, NTC 8k55, 3k Balco
Linearity: ±0.3 ºC, Repeatability: ±0.1 ºC, Accuracy: ±0.3 ºC
with Pt100
Linearity: ±0.4 ºC, Repeatability: ±0.1 ºC, Accuracy: ±0.4 ºC

Features of conductivity measurement

내장된 온도 보정 기능과 보정 표준 테이블을 통해 셀의 오염을 모니터링하여 더 높은 정확도의 전도도 측정을 가능하게 합니다.
0.005에서 50 cm-1까지의 매우 다재다능한 셀 상수, 양방향 및 사방향 검출기가 제공됩니다.
또한 정확한 온도 보정을 위해 다섯 가지 유형의 온도 감지기를 지원합니다.
탈염수, 증기, 응축수, 보일러수 분석에서 순수한 물 보상을 수행합니다. 제약 산업의 순수한 물 모니터링을 위해 USP 항목 <645>의 수질 기준에 따라 공정액질을 모니터링할 수 있습니다(USP 23조 645항 참조). 지침(USP 23조 645항 참조).

Conductivity Measurement

Conductivity measurement specification

Input Specification Two or four electrodes measurement with square wave excitation, using max 60m (200ft) cable (WU40/WF10) and cell constants from 0.005 to 50.0 cm-1
Display range Conductivity min. 0.01 µS/cm, max. 2000 mS/cm (max 90% zero suppression)
Resistivity min. 0.001 kΩ x cm, max. 1000 MΩ x cm (max 90% zero suppression)
Temperature min. span 25 ºC, max. span 270 ºC
Performance (Accuracy)
(The specifications are expressed with simulated inputs.)
Conductivity 2 µS x K cm-1 to 200 mS x K cm-1: Accuracy: ±0.5%F.S.
1 µS x K cm-1 to 2 µS x K cm-1: Accuracy: ±1%F.S.
Resistivity 0.005kΩ / K cm-1 to 0.5MΩ /K cm-1: Accuracy: ±0.5%F.S.
0.5MΩ / K cm-1 to 1MΩ /K cm-1: Accuracy: ±1%F.S.
Temperature with Pt1000, Pb36, Ni100:  Accuracy: ±0.3 ºC
with Pt100, NTC 8k55:  Accuracy: ±0.4 ºC
Temperature compensation NaCl table: ±1 %
Matrix: ±3 %
Temperature 90 % (< 2 decades) in 7 seconds

Features of electromagnetic conductivity measurement

전자기 유도 측정 원리에 기반한 비접촉 측정의 경우, 식품 및 화학 산업, 도금 및 표면 처리 산업, 제지 및 펄프 산업 등 화학 산업의 수준 모니터링을 위해 산 및 알칼리 용액부터 염 함유 용액에 이르기까지 다양한 응용 분야에서 전도도 측정에 사용할 수 있습니다. 또한 강산 및 강알칼리 용액을 정확하게 분석하기 위해 매트릭스 보정 및 출력 선형화 기능도 갖추고 있습니다. 하나의 센서만 연결할 수 있습니다.

Electromagnetic Conductivity Measurement

Electromagnetic conductivity measurement specification

Input Specification Compatible with the Yokogawa inductive conductivity ISC40 series with integrated temperature sensor: NTC30k or Pt1000.
Input Range Conductivity 0 to 2000 mS/cm at 25 ºC reference temperature.
Temperature -20 to 140 ºC
Cable length max. 60 meters total length of fixed sensor cable + WF10(J) extension cable.
Influence of cable can be adjusted by doing an AIR CAL with the cable connected to a dry cell.
Performance
(The specifications are expressed with simulated inputs.)
Conductivity Linearity: ±(0.4 %F.S. + 0.3 µS/cm)
Repeatability: ±(0.4 %F.S. + 0.3 µS/cm)
Temperature ±0.3 ºC
Step response 90 % (< 2 decades) in 8 seconds

Features of dissolved oxygen measurement

이 공정 분석기는 고기능성, 높은 신뢰성, 유지보수 감소를 달성합니다. 현장 설치에 적합하며 심각한 환경 조건에서도 사용할 수 있습니다.
갈바닉 센서뿐만 아니라 폴라로그래픽 검출기도 사용할 수 있습니다.
용존 산소 농도를 표시하는 단위로는 mg/L, ppm, % 포화 단위가 있습니다. 또한 최고의 측정 정확도를 위해 고도에 따라 달라지는 대기압, 물의 염분, 온도 등의 변화에 대한 보정이 이루어집니다.

Electromagnetic Conductivity Measurement

Dissolved oxygen measurement specification

Input Specification The FLXA202 accepts output from membrane covered Dissolved Oxygen sensors. These sensors can be Galvanic type, where the sensor generates its own driving voltage or Polarographic type, where the sensor uses external driving voltage from the converter.
The input range is 0 to 50 µA for Galvanic sensors and 0 to 1 µA for Polarographic sensors.
For temperature compensation, the FLXA202 accepts Pt1000 (DO30 sensor) and NTC22k elements (OXYFERM and OXYGOLD sensors).
Measurement Range DO Sensors Dissolved Oxygen: 0 to 50 mg/l (ppm)
Temperature: -20 to 150 ºC
DO30G Measurement range: 0 to 20 mg/l (ppm)
Temperature: 0 to 40 ºC
Performance
(Accuracy) (Performance in ppm mode)
Linearity ±0.05 ppm or ±0.8% F.S., whichever is greater
Repeatability ±0.05 ppm or ±0.8% F.S., whichever is greater
Accuracy ±0.05 ppm or ±0.8% F.S., whichever is greater
Temperature Linearity: ±0.3 ºC
Repeatability: ±0.1 ºC
Accuracy: ±0.3 ºC
  • Extension Terminal Junction Box BA10/WTB10

    공장 및 제어실 사이, 특히 장소 사이의 거리가 표준 전극 케이블의 길이보다 큰 경우 연결 장비는 센서 케이블을 측정 장비에 연결하는데 편리한 방법이 될 수 있습니다. 

자료실

Overview:

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.

Industry:Power, Pharmaceutical, Common

Overview:

Wet scrubbers are used in utilities, paper mills, and chemical plants to remove sulfur dioxide (SO2) and other pollutants from gas streams. Undesirable pollutants are removed by contacting the gases with an aqueous solution or slurry containing a sorbent. The most common sorbents are lime, Ca(OH)2, and limestone, CaCO3

업종:
Application Note
Overview:

Caustic soda and hydrochloric acid, produced in electrolyzer plants, are fundamental materials used in varieties of industries; chemicals, pharmaceuticals, petrol-chemicals, pulp and papers, etc. Profit is the result of the effective production with minimized running / maintenance cost. Proper control of the process brings you stabilized quality of products with the vast operational profit.

업종:
Overview:

The control of the world's water resource is arguably one of the most important issues. Water demand from industry and domestic users is set to rise throughout the industrialized world. Yokogawa has been applying minimized maintenance measurement systems.

Application Note
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.

Overview:

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. 

Industry:Food and Beverage

Overview:

For safe and efficient operation, the quality of feedwater, steam, and condensate in boiler plants must be controlled and maintained in the most favorable conditions.

업종:
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. This requires both precision and stability under harsh conditions that include highly corrosive substances, high temperatures, and many impurities.

업종:
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. A conventional way of measuring the concentration of supersaturated NaCl solution had been performed by using non-contact type sensors (e.g., γ-ray density meter) since NaCl, impurities, and precipitates are in the solution.

업종:
Overview:

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. 

Overview:

In the manufacturing process of Pharmaceutical, Chemical and Food & Beverage industries, the cleaning and sterilization of tanks and piping are done with various cleaning solutions, fresh or hot water and steam after manufacturing products. Clean-In-Place (CIP) is the system designed for automatic cleaning and disinfecting.

Application Note
Overview:

Wastes have been considered to be a serious worldwide environmental problem in recent years. Because of increasing pollution, these wastes should be treated. However, industrial wastes can contain a number of valuable organic components. Recovery of these components is important economically. Using conventional distillation techniques, the separation of acetic acid and water is both impractical and uneconomical, because it often requires large number of trays and a high reflux ratio. In practice special techniques are used depending on the concentration of acetic acid. 

업종:
Overview:

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.

Industry:Electrical and Electronics

Overview:

Continuous technology improvement is ongoing in the pulp & paper industry to obtain the best possible performance. 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.

Overview:

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.

Overview:

Continuous technology improvement is ongoing in the pulp & paper industry to obtain the best possible performance. The improved plant performance translates to the higher quality improvement and lower cost, and simultaneously environmental friendly plant operation.

Overview:

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. This requires a two-step process: hexavalent chromium (CR6) is reduced to trivalent chromium (CR3); and CR3 is precipitated as chromium hydroxide.

Industry:Electrical and Electronics

Overview:

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. 

Overview:

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.

업종:
Overview:

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. SO2 in flue gasses is known to be harmful to the environment, as it is one contributor to the formation of acid rain. pH control is critical for the proper functioning of the scrubber system.

업종:
Overview:

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. (AN10D01P01-01E)

Overview:

In the past, the boiler feed tank systems in sugar factories had to be checked several times a day to make sure there were no sugar solution leaks. This was a very laborious process and, as continuous monitoring was not possible, monitoring results were not reliable. When a leak occurred, recovery operations were very costly and time-consuming. (AN10D01K01-02E)

업종:
Application Note
Application Note
Overview:

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. A great concern in the pH measurement is heavy staining of the pH electrodes by the Mg(OH)2 slurry. To ensure accurate measurement, frequent cleaning of the electrodes with an acid is required, adding to both maintenance workload and cost.

Industry:Chemical, Power

Overview:

To defray energy costs, many industrial plants have their own boilers to generate steam in order 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.

Application Note
업종:
Application Note
Overview:

Fish perform all their bodily functions in water. Because fish are totally dependent upon water to breathe, feed and grow, excrete wastes, maintain a salt balance, and reproduce, understanding the physical and chemical qualities of water is critical to successful aquaculture. To a great extent water determines the success or failure of an aquaculture operation.

Overview:

In stable dispersion of fine particles is the pre-requisite for the selective flocculation technique involving separation of ultra-fine valuable particles from the gangue. Among mineral processing techniques selective flocculation technique is known to have outstanding potential of capturing the particles of particular mineral in slurry of mixed mineral system by selective adsorption of water soluble polymers known as flocculants.

Yokogawa Technical Report
Overview:

Yokogawa has been offering the EXA200 series two- wire liquid analyzer for processes since 1990. 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.

Without using the BA11 active junction box the maximum distance is 100 meters. When using the BA11 it is possible to extend a further 100 meters. Making it a total of 200M. ...

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