Yokogawa SC450G Exaxt 450 Conductivity Converter Working

Description:

The Yokogawa SC450G EXAxt 450 Conductivity Converter is used a 4-wire industrial analyzer designed for high-accuracy measurement of conductivity and resistivity in liquid processes. It uses contacting electrode sensors and features a touchscreen interface, advanced diagnostics, and integrated control functions. The unit is part of Yokogawa’s EXAxt 450 series, combining precision measurement with user-friendly operation and process control capabilities.

Applications:

The Yokogawa SC450G is used in industrial environments for continuous monitoring of conductivity and resistivity in liquid processes. It is commonly deployed in semiconductor manufacturing, power generation (boiler and condensate systems), water treatment, and pharmaceutical production. The analyzer provides real-time measurement, diagnostics, and control outputs to maintain process stability and water purity.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: SC450G (EXAxt 450 Series)
• Product Type: Conductivity / Resistivity Converter (4-wire)
• Measurement Range: ~0.000 µS/cm to 2000 mS/cm
• Resistivity Range: Up to ~1000 MΩ·cm
• Power Supply: 100–240 VAC (4-wire mains powered)
• Output Signal: 4–20 mA (dual outputs typical)
• Communication: HART protocol supported
• Display: Touchscreen graphical interface (multi-language)
• Control Capability: Built-in PID/PI control
• Protection Rating: IP66 / NEMA 4X enclosure
• Temperature Compensation: Advanced multi-mode compensation
• Diagnostics: Cell fouling detection and system diagnostics
• Function: Converts conductivity/resistivity signals into control outputs

Common Replacements:

• Yokogawa FLXA21 Conductivity Analyzer
• Yokogawa FLXA202 Analyzer
• Yokogawa SC402 (earlier generation)