Yokogawa 2-Wire Analyzer, FLXA202
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FLXA202 2-Wire Analyzer

Brand: Yokogawa Electric Corporation
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Yokogawa 2-Wire Analyzer, FLXA202
The FLEXA™ series analyzers are modular-designed analyzers used for continuous online measurements in industrial installations. 

They offer single or dual sensor measurement, making them the most flexible 2-wire analyzer available.

With the FLXA202, 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.
Features
Support of Up to Two Sensors
  • FLXA202 Through the installation of up to two sensors, FLXA202 realizes interruption-free measurement even during maintenance. For dual sensor measurement, the sensor modules must be the same parameter – pH/ORP and pH/ORP, SC and SC, and DO and DO. 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.
Advanced Functions
  • With the FLXA202, one analyzer can accept any of four types of measurements: pH/ORP, Contacting Conductivity (SC), Inductive Conductivity (ISC) and Dissolved Oxygen (DO)Sensors with self-diagnostics capabilities. Additional functions include:
  • Continuous measurement of sensor impedance, asymmetric potential, and slope, and continuous monitoring for electrode contamination/damage, burnout, and decline in measurement liquid level (ex. pH Analyzer)
  • Online Sensor Wellness checking for predictive maintenance
Clear Touch Panel Display for Improved Operability
  • The FLEXA™ series analyzer provides improved operability with intuitive touchscreen operation, featuring a clear display and user-friendly indication with 12 languages. A quick setup menu for immediate measurement and a display of sensor status and estimated maintenance time improve efficiency. The interactive screen is housed in a robust aluminum die-cast housing (FLXA202) or a plastic construction (FLXA21).
Modular Design for Increased Scalability
  • The FLEXA™ series analyzer features a modular design with replaceable sensor modules, enabling the construction of a variety of systems. Users can opt to do without a display and can also select the case material (plastic or stainless steel).

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Specifications

Brand

Accuracy

  • ± 0.05 ppm or ± 0.8 % of Full Scale, whichever is greater - for Dissolved Oxygen
  • ± 0.3° C (± 0.54° F) - Temperature with Pt1000, Pb36, Ni100, 6.8k, PTC10k, NTC 8k55, 3k Balco, PTC500 for PH/ORP with Analog Sensors, Dissolved Oxygen, Conductivity
  • ± 0.4° C (± 0.72° F) - Temperature with Pt100, NTC 8k55 for PH/ORP with Analog Sensors, Conductivity
  • ± 0.5 % of Full Scale - Conductivity & Resistivity
  • ± 1 ppb or ± 0.8 % of Full Scale, whichever is greater - for Dissolved Oxygen
  • ± 1 % of Full Scale - Conductivity, Resistivity
  • ORP: ± 1 mV - for PH/ORP with Analog Sensor
  • pH: ± 0.01 PH - for PH/ORP with Analog Sensor

Ambient Temperature Range

  • -20° to 55° C (-5° to 130° F) - Ambient Operating Temperature

Approvals & Certifications

  • ATEX: Intrinsically Safe
  • CE
  • CSA: Intrinsic Safety & Non-Incendive
  • EAC Ex
  • EMC: EN 61326-1 Class A,Table 2 (For use in Industrial Locations), EN 61326-2-3, EN 61326-2-5, AS/NZS CISPR11, RCM: EN 55011 Class A, Group 1, Korea Electromagnetic Conformity Standard Class A
  • FM: Intrinsic Safety & Non-Incendive
  • IEC Ex: Intrinsic Safety
  • KOSHA
  • NAMUR 43 - for Burn Out Function (Except ISC)
  • NEPSI: Intrinsic Safety
  • TIIS
  • UL 61010-1, 61010-2-030

Burn-Out

  • Down: 3.6 mA - for without HART / PH201 G & with HART / PH201 G
  • Down: 3.9 mA - for Inductive Conductivity (ISC) with HART / PH201 G
  • Up: 22 mA - for without HART/PH201 G & with HART/PH201 G

Cable Entry

  • 3 Holes, M20 Cable Gland x 3-Pieces

Cable Length

  • 200 feet (60 metres): Conductivity, Inductive Conductivity

Communication

  • HART
  • RS-485 - Bi-Directional Digital Communication between FU20F & FLXA202

Conduit Connection

  • 1/2” NPT Female - Conduit Adapter
  • G 1/2” Female - Conduit Adapter
  • M20 x 1.5 Female - Conduit Adapter

Diameter

  • 0.07” (1.9 mm) - Max.
  • 0.23” to 0.47” (6 to 12 mm) - Outer Diameter for M20 Cable Gland

Display

  • Anti-glare LCD with a Touch Screen (Black/White: 213 x 160 Pixels)

Electrical Connectors

  • M4 Screw Terminal
  • Pin Terminal with Diameter 0.07” (1.9 mm)
  • Ring Terminal, Width 0.30” (7.8 mm) - Max.
  • Spade Terminal, Width 0.30” (7.8 mm) - Max.

Electrical Contacts

  • Normally Closed (NC) - for Hold & Fail Contact Output
  • Normally Open (NO) - for Wash Contact Output

Electrical Rating

  • 220 Vdc, Max.
  • 250 Vac, Max.

Enclosure Finish

  • Aluminum Alloy Cast with Epoxy Coating - Case, Cover
  • Aluminum Alloy Cast with High Anti-Corrosion Coating - Case, Cover
  • Aluminum Alloy Cast with Urethane Coating - Case, Cover
  • Silver Gray (Equivalent to Munsell 3.2PB7.4/1.2)

Enclosure, Body Material

  • Cast Aluminum Alloy

Environmental Protection

  • Hazardous Area
  • Intrinsically Safe
  • IP66 (Except Canada)
  • NEMA 3S (Canada)
  • NEMA 4X (Except Canada)
  • Non-Incendive

Humidity

  • 0 to 100 % Non-Condensing Relative Humidity - Ambient
  • 10 to 90 % Relative Humidity, Non-Condensing at 40° C (104° F)

Input

  • 0 to 50 mg/L (ppm) - for Dissolved Oxygen (DO) DO30 Sensor
  • 0-1 µA - Dissolved Oxygen for Polarographic Sensors
  • 0 to 50 µA to Dissolved Oxygen for Galvanic Sensors
  • ORP: -1,500 to 1,500 mV - for PH/ORP with Analog Sensors & PH/ORP with Digital Sensor
  • pH: 0 to 14 PH - for PH/ORP with Digital Sensor
  • pH: -2 to 16 PH - for PH/ORP with Analog Sensors
  • rH: 0 to 100 RH - for PH/ORP with Analog Sensor & PH/ORP with Digital Sensor

Input Impedance

  • Dual High Input Impedance: ≥ 10¹² ohms - for PH/ORP with Analog Sensors

Linearity

  • ± (0.4 % of Full Scale + 0.3 µS/cm) - for Inductive Conductivity (ISC)
  • ± 0.01 PH - for PH/ORP with Analog Sensors
  • ± 0.05 ppm or ± 0.8 % of Full Scale, whichever is greater - for Dissolved Oxygen
  • ± 0.3° C (± 0.54° F) - Temperature with Pt1000, 6.8k, PTC10k, NTC 8k55, 3k Balco, PTC500 for PH/ORP with Analog Sensors, Dissolved Oxygen
  • ± 0.4° C (± 0.72° F) - Temperature with Pt100 for PH/ORP with Analog Sensors
  • ± 1 mV - ORP for PH/ORP with Analog Sensors
  • ± 1 ppb or ± 0.8 % of Full Scale, whichever is greater - for Dissolved Oxygen

Load Resistance

  • 0 to 1,295 ohms
  • 2 kiloohms or Less (1-5 Vdc Output)

Materials of Construction

  • Stainless Steel - Tag Plate, Hood

Measuring Range

  • 10 ppb to 40 ppm - for Dissolved Oxygen (DO) Hamilton Sensor (Oxyferm)
  • 2 ppb to 40 ppm - for Dissolved Oxygen (DO) Hamilton Sensor (Oxygold G)
  • 8 ppb to 40 ppm - for Dissolved Oxygen (DO) Hamilton Sensor (Oxygold B)

Mounting

  • Panel Mounting Hardware
  • Pipe Mounting Hardware
  • Universal Mounting Kit
  • Wall Mounting Hardware

Output

  • 1 to 50 mg/L (ppm) - for Dissolved Oxygen (DO) Concentration
  • 1 to 9,999 ppb - Dissolved Oxygen (DO) Concentration
  • 10 to 600 % Saturation - for Dissolved Oxygen (DO) Concentration
  • 1-5 Vdc (2-Points)
  • 4-20 mA DC

Output Function

  • Linear or Non-Linear Ouput

Output Span - Maximum

  • 160° C (320° F) - for Inductive Conductivity
  • 170° C (338° F) - for Dissolved Oxygen, PH/ORP with Analog & Digital Sensor
  • 270° C (518° F) - for Conductivity
  • ORP: 3,000 mV - for PH/ORP with Analog Sensors & Digital Sensors
  • pH: 20 PH - for PH/ORP with Analog Sensors & Digital Sensors
  • rH: 100 RH - for PH/ORP with Analog Sensors & Digital Sensors

Output Span - Minimum

  • 25° C (77° F)
  • ORP: 100 mV - for PH/ORP with Analog Sensors & Digital Sensors
  • pH: 1 PH - for PH/ORP with Analog Sensors & Digital Sensors
  • rH: 2 RH - for PH/ORP with Analog Sensors & Digital Sensors

Power Supply

  • 16-40 Vdc - PH/ORP with Analog Sensor, SC & DO for One (1) Sensor Module (1 Input)
  • 17-40 Vdc - Inductive Conductivity (ISC) for One (1) Sensor Module (1 Input)
  • 21-40 Vdc - PH/ORP SENCOM Sensor for One (1) Sensor Module (1 Input)
  • 22.8-40 Vdc - PH/ORP with Analog Sensor, SC & DO for Two (2) Sensor Modules (2 Inputs)
  • Nominal 24 Vdc Loop Powered System

Pressure Range

  • psi: 11.6 to 15.95 (kPa: 80 to 110, bar: 0.8 to 1.1) - Atmosphere Pressure

Process Temperature

  • 0° to 40° C (32° to 104° F) - for Dissolved Oxygen DO30 Sensor

Repeatability

  • ± (0.4 % of Full Scale + 0.3 μS/cm) - for Inductive Conductivity
  • ± 0.01 PH: for PH/ORP with Analog Sensors
  • ± 0.05 ppm or ± 0.8 % of Full Scale, whichever is greater - for Dissolved Oxygen
  • ± 0.1° C (± 0.18° F) - Temperature with Pt1000, 6.8k, PTC10k, NTC 8k55, 3k Balco, PTC500, Pt100 for PH/ORP with Analog Sensors, Dissolved Oxygen
  • ± 1 mV - ORP for PH/ORP with Analog Sensors
  • ± 1 ppb or ± 0.8 % of Full Scale, whichever is greater - for Dissolved Oxygen

Response Time

  • 90 % (< 2 Decades) in 7 seconds - Step Response for Conductivity (SC)
  • 90 % (< 2 Decades) in 8 seconds - Step Response for Inductive Conductivity (ISC)

RTD Type

  • Ni100
  • Pt100
  • Pt1000

Sensor, Probe Type

  • NTC 8k55
  • NTC22k
  • NTC30k
  • Pb36 (JIS NTC 6k)
  • PTC10k
  • PTC500

Storage Temperature

  • -30° to 70° C (-22° to 158° F)

Temperature Range

  • -10° to 105° C (14° to 221° F) - PH/ORP with Digital Sensor, FU20F PH/ORP SENCOM Sensor
  • -20° to 140° C (-4° to 284° F) - Inductive Conductivity
  • -20° to 150° C (-4° to 302° F) - Dissolved Oxygen
  • -20° to 250° C (-4° to 482° F) - Conductivity
  • -30° to 140° C (-22° to 284° F) - PH/ORP with Analog Sensor

Tolerance

  • ± 0.02 mA - for 4-20 mA DC Output Signal

Torque

  • 10.62”/Lbs (1.2 Nm) - Torque of Screw Up

Documentation

Data Sheets

Product Manuals

Brochure

Certificate

Product Drawing

Technical Information

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