Yokogawa FLXA202 2-Wire Dual Channel Transmitter/Analyzer
Product Introduction
The Yokogawa FLXA202 is a modular-designed 2-wire dual channel transmitter/analyzer, part of the FLEXA™ series, engineered for continuous online measurements in industrial installations. It supports single or dual sensor configurations, offering exceptional flexibility to adapt to diverse process needs—eliminating the need for multiple analyzers and optimizing operational expenses (OPEX). With the ability to swap internal measurement modules on-site, it seamlessly handles four key measurements: pH/ORP, Contacting Conductivity (SC), Inductive Conductivity (ISC), and Dissolved Oxygen (DO). Housed in a robust aluminum die-cast enclosure with an IP66 rating, it combines durability with user-friendly operation via a clear touch panel display, making it ideal for critical industrial processes requiring reliable, real-time analysis.
Key Features
Dual Sensor Support: Accommodates up to two sensors (same parameter: e.g., pH/ORP + pH/ORP, SC + SC), enabling interruption-free measurement during maintenance. Dual sensors can function as a redundant system or generate calculated data from both parameters, enhancing process reliability.
Multi-Parameter Versatility: A single analyzer supports pH/ORP, Contacting Conductivity (SC), Inductive Conductivity (ISC), and Dissolved Oxygen (DO) measurements, with sensor modules that can be swapped to adapt to changing process requirements.
Advanced Diagnostics:
Continuous monitoring of sensor impedance, asymmetric potential, slope, and electrode condition (contamination, damage, burnout, or low liquid level).
Online "Sensor Wellness" checks for predictive maintenance, reducing unplanned downtime.
User-Friendly Interface: Intuitive touch panel display with support for 12 languages, featuring quick setup menus, real-time sensor status, and estimated maintenance time—simplifying operation and improving efficiency.
Modular Design: Scalable with replaceable sensor modules; options include no display and choice of enclosure materials (plastic or stainless steel) to suit environmental needs.
2-Wire Efficiency: Loop-powered via 24VDC, reducing wiring complexity and operational costs while supporting bi-directional HART digital communication for seamless integration into control systems.
Robust Construction: Aluminum alloy enclosure with IP66 rating, ensuring protection against dust and water jets—suitable for harsh industrial environments.
Conductivity/Resistivity Measurement Specifications
Input: Supports 2 or 4-electrode sensors with square wave excitation, compatible with cell constants from 0.005 to 50.0 cm⁻¹ and cables up to 60m (WU40/WF10).
Display Range:
Conductivity: 0.01 µS/cm to 2000 mS/cm (max 90% zero suppression).
Resistivity: 0.001 kΩ·cm to 1000 MΩ·cm (max 90% zero suppression).
Temperature: 25–270°C.
Accuracy:
Conductivity: ±0.5% F.S. (2 µS×K cm⁻¹ to 200 mS×K cm⁻¹); ±1% F.S. (1 µS×K cm⁻¹ to 2 µS×K cm⁻¹).
Resistivity: ±0.5% F.S. (0.005 kΩ/K cm⁻¹ to 0.5 MΩ/K cm⁻¹); ±1% F.S. (0.5 MΩ/K cm⁻¹ to 1 MΩ/K cm⁻¹).
Temperature: ±0.3°C (with Pt1000, Pb36, Ni100); ±0.4°C (with Pt100, NTC 8k55).
Temperature Compensation: NaCl table (±1%) and matrix compensation (±3%) for accurate measurements across varying temperatures.
General Specifications
Warranty: 1 Year.
Customization: OEM, ODM support.
Origin: Japan.
Brand: Yokogawa.
Certification: CE.
Output Signal: Bi-directional HART digital communication.
Power Supply: 2-wire 24VDC loop-powered.
Enclosure Rating: IP66.
Applications
Ideal for industries such as pharmaceuticals (USP <645> compliance for pure water monitoring), chemicals, power, and water/wastewater treatment—where precise measurement of pH, conductivity, or dissolved oxygen is critical for process control and quality assurance.
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Yokogawa FLXA202 2-Wire Dual Channel Transmitter Analyzer Images
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