Yokogawa Model Number EXAxt450 SC450G A-U UM Converter

Description:

The Yokogawa SC450G-A-U/UM EXAxt450 is used a microprocessor-based conductivity and resistivity converter designed for continuous online measurement in industrial processes. It combines advanced signal processing, a touchscreen human-machine interface, and integrated diagnostics to deliver accurate and reliable measurement. The unit supports multiple sensor types (2-electrode and 4-electrode) and includes built-in PID control capability, allowing it to function as both a measurement device and process controller. 

Applications:

The Yokogawa SC450G-A-U/UM converter is used in process control systems for measuring conductivity, resistivity, and concentration in liquids. The Yokogawa converter is commonly installed in water treatment plants, power generation systems, semiconductor facilities, and chemical processing industries for monitoring water quality, controlling dosing systems, and ensuring process stability.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: SC450G-A-U/UM (EXAxt450 series)
• Product Type: Conductivity / Resistivity Converter (Analyzer)
• Measurement Type: Conductivity, resistivity, concentration
• Input: 2-electrode and 4-electrode sensors
• Output Signal: Dual 4–20 mA outputs with HART communication
• Control Capability: Built-in PID control (via mA or relay outputs)
• Display: Touchscreen graphical interface
• Power Supply: Typically 100–240 VAC (variant dependent)
• Enclosure: Industrial, weatherproof (indoor/outdoor installation)
• Mounting: Wall, pipe, or panel mount

Common Replacements:

• Yokogawa FLXA21 conductivity analyzer
• Yokogawa FLXA402 multi-parameter analyzer
• Yokogawa SC202 / SC450 legacy replacements