Skip to content

What are you looking for?


You may also like

Yokogawa FCA4*A Versatile 4-wire AnalyzerYokogawa FCA4*A Versatile 4-wire AnalyzerYokogawa FCA4*A Versatile 4-wire Analyzer
Yokogawa FCA4*A Versatile 4-wire Analyzer
Yokogawa FCA4*A Versatile 4-wire Analyzer
Yokogawa FCA4*A Versatile 4-wire Analyzer

Yokogawa FCA4*A Versatile 4-wire Analyzer


Only 10 left - Selling fast

PRODUCT SKU : FCA4*A

PRODUCT TYPE : Liquid Analyzers

PRODUCT VENDOR : Yokogawa


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Configured for multi-parameter liquid analytical measurement in CENTUM VP and ProSafe-RS control networks, the Yokogawa FCA4*A (FCA4*A 4-wire Analyzer Module) provides direct physical/electrical execution.

Hardware Specifications

Parameter Specification
Model FCA4*A (FLXA402)
Brand Yokogawa
Origin Japan
Architecture 4-Wire Configuration
Measurement Options pH/ORP, Conductivity, Dissolved Oxygen
Sensor Capacity Up to 5 Sensors (Dual Sensor Simultaneous Measurement)
Display / HMI Color Touchscreen Panel (9 Languages Supported)
Weight 2.50 kg
Dimensions 144 x 144 x 150 mm
Operating Temp -20 to 55 deg C
Power Consumption 15 VA (AC Units) / 10 W (DC Units)

Yokogawa Channel-to-Channel Isolation & Process Control Integration

Yokogawa industrial analytical systems implement dedicated signal processing to integrate high-density liquid sensors into centralized process controllers. Independent sensor channel-to-channel isolation prevents ground loop interference across pH/ORP and conductivity measurement paths. Signal conversion algorithms support standard 4-20 mA HART loop protocol transmission and FOUNDATION Fieldbus connectivity to deliver continuous real-time diagnostic values directly into operator workstations without data corruption.

Frequently Asked Questions

Q: How does the module handle sensor replacement without interrupting overall system operation?

A: The device architecture supports multi-sensor configurations up to five sensors, permitting continuous measurement on secondary channels while primary sensor calibration or physical maintenance is performed.

Q: What grounding practices are required for 4-20 mA HART analog output loops?

A: Connect the signal cable shield at a single termination point on the system side. Avoid grounding the shield at both ends to prevent circulating ground currents from disturbing low-level sensor millivolt signals.

Field Installation Guidelines

Mount the analyzer enclosure to a rigid surface or pipe stand, verifying that all cable glands are tightened to meet NEMA 4X / IP66 ingress ratings. Route low-voltage sensor inputs in dedicated conduits separate from AC power lines to prevent electromagnetic interference. Ensure protective earth grounding is established before connecting power leads to the internal terminal block.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




Recently Viewed Products

Tech & Buying Guide

Technical Insights, Installation Guides, and Buying Tips
Batch vs Continuous Processing in Industrial Automation: Architectural Strategies for Control Engineers

Batch vs Continuous Processing in Industrial Automation: Architectural Strategies for Control Engineers

Selecting the proper control architecture remains a pivotal decision when designing industrial automation systems. Automation engineers must evaluate whether a batch or continuous process model best fits their production requirements. This fundamental choice influences PLC and DCS programming, hardware redundancy, sensor selection, and overall factory automation layouts.

Read more
Demystifying Signal Isolators: Operating Principles, Architectural Types, and Industrial Applications

Demystifying Signal Isolators: Operating Principles, Architectural Types, and Industrial Applications

Industrial automation systems rely on pristine analog signal transmission across complex control loops. Instrument technicians and system integrators frequently deploy signal isolators to maintain signal integrity between field sensors and control platforms. Eliminating electrical noise, ground loops, and high-voltage transients protects delicate PLC, DCS, and SCADA input channels from permanent damage.

Read more
Demystifying Industrial Control Systems: Comparing PLC, DCS, RTU, SCADA, and PAC

Demystifying Industrial Control Systems: Comparing PLC, DCS, RTU, SCADA, and PAC

Modern factory automation relies on distinct control architectures to manage complex process environments efficiently. Control engineers often evaluate PLC, DCS, RTU, SCADA, and PAC platforms when designing industrial infrastructure. Understanding the functional boundaries of each technology ensures optimal system performance, high availability, and long-term cost efficiency.

Read more