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Yokogawa Modular Dual Input Transmitter/Analyzer FLEXA FLXA21 2-Wire Analyzer PROFIBUS PA Communication

Categories Yokogawa Environmental & Analytical
Brand Name: yokogawa
Model Number: Fieldbus pH/ ORP
Certification: ss212
Place of Origin: JAPAN
MOQ: 1
Price: US $200-2,000 / Unit
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 3000 Unit/Units per Week
Delivery Time: 8-10 weeks
Packaging Details: Original Yokogawa package in carton; Customize design is acceptable.
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    Yokogawa Modular Dual Input Transmitter/Analyzer FLEXA FLXA21 2-Wire Analyzer PROFIBUS PA Communication

    Yokogawa Fieldbus pH/ ORP Transmitter/ Analyzer


    Product Description


    What is Fieldbus?
    Fieldbus Foundation defines "Fieldbus is a digital, two-way, multi-drop communication link among intelligent measurement and control devices." It is one of several local area networks dedicated for industrial automation. The Internet is having a major impact on information flows. Yesterday's hierarchical systems the field signals used in process instrumentation have been standardized so that control systems and field devices from a variety of suppliers can be interconnected using standard 4 to 20 mA analog signals. A "standardized" digital communication for industrial automation is changing the production system.
    The FOUNDATION™ fieldbus standard developed by the Fieldbus Foundation™ constitutes the next level of standardization and it is designed to meet modern needs. In addition to having interconnectivity equivalent to that available using 4 to 20 mA analog signals in a conventional field network, FOUNDATION™ fieldbus allows multiple devices to be connected to a single FOUNDATION™ fieldbus, permits the interactive communication of various types of information, and enables the distribution in the field of intelligent functions including self-diagnostics and control functionality.
    When FOUNDATION™ fieldbus was first proposed, more attention was given to its ability to convey multiple field signals over a single cable and the benefit this would have in reducing wiring costs. But now the focus is on its ability to transmit various types of information in addition to field signals and to distribute intelligence to distributed field devices. These features enable remote monitoring, real-time self-diagnostics, and proactive maintenance of field devices, as well as plant resource management using field communication. This will enable the costs of operating instrumentation systems to be greatly reduced.

    Features:

    • Universal pH/ORP.
    • Possible to input high impedance reference electrode.
    • On-line sensor checking.
    • Process temperature compensation.
    • Differential input amplifier with equipotential screening.
    • Freely configurable ITP, slope and asymmetry.
    • Easy to use EXA control panel.
    • Password protection for all levels of software.
    • HART®, PROFIBUS-PA, FOUNDATION Fieldbus H1 communications.


    Specifications:

    Input rangespH: -2 to 16 pH
    ORP: -1500 to 1500 mV
    rH: 0 to 55 rH
    Temperature: -30 to 140℃
    Output rangespH: Min. 1 pH, Max. 20 pH
    ORP: Min. span 100 mV, Max. span 3000 mV
    rH: Min. 2 rH, Max. 55 rH
    Temperature: Min. 25℃ , Max. 200℃
    Temperature CompensationRange: -30 to 140℃ (for 8k55 sensor -10 to 120℃ ).
    Sensor types: Pt100, Pt1000, 3 kΩ RTC, 5.1 kΩ PTC, 8.55 kΩ NTC, 350 Ω PTC, 6.8 kΩ PTC, 10 kΩ PTC. Automatic or manual compensation to Nernst equation. Process compensation by configurable coefficient. Adjustable ITP (Iso-thermal point of intersection).
    CalibrationSemi-automatic, using tables in transmitter for pH 4, 7 & 9 buffer solutions, or using user-defined tables, with automatic check of measurement stability.
    Manual, using standard sample, by correcting reading to value of standard.
    Calibration by slope and asymmetry potential setting. (IEC60746-2)
    CommunicationFOUNDATION Fieldbus H1
    Ambient temperature-20 to 55℃
    Humidity10 to 90 % RH (Non-condensing)
    DisplayBlack/White 213 x 160 pixels LCD with touch screen
    Power supplyNominal 24 volt DC loop powered system.
    Output SignalDigital communication signal based on FOUNDATION Fieldbus protocol
    Function BlockThree AI blocks
    Enclosure MaterialPlastic (Polycarbonate)



    Performance:

    pH
    Linearity
    Repeatability
    Accuracy


    ±0.01 pH
    ±0.01 pH
    ±0.01 pH

    ORP
    Linearity
    Repeatability
    Accuracy


    ±1 mV
    ±1 mV
    ±1 mV



    Why do you choose us?
    1. 100% original package product, 100% quality assurance.
    If you find a fake product. Please contact us without hesitation! We afford the shipment cost! We send you a new product asking zero cent!
    2. Varied payment methods.
    We adopt Paypal, T/T, Alibaba Trade Assurance order, and other methods. If you can not trust us , you can choose to pay it the other way! 100% make your money safe!

    We mainly supply Yokogawa flow meters, Emerson 475 field communicator, Emerson AMS Trex Device communicator, Siemens pressure transmitter, Honeywell transmitter, and the Honeywell BW gas analytics.

    Wuhan Xieyuan Automation Equipment Co., Ltd
    Telephone:86-027-85583233
    Mobile Phone:86-18671080257
    Fax:86-027-85309780
    Contact : victor@whxyauto.com
    Skype:victordu963@gmail.com
    Whatsapp & Viber are available
    Address:6-C9,Caishen Commercial Plaza,Hankou Railway Station
















































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