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Rosemount™ 625IR Fixed Gas Detector

Rosemount™ 625IR Fixed Gas Detector provides reliable infrared gas detection with industrial grade durability, supporting safe, continuous operation in demanding industrial environments.

The Rosemount™ 625IR Fixed Gas Detector is designed for industrial applications requiring consistent safety performance and long term reliability. Using proven infrared sensing technology, it delivers stable, continuous gas detection to support confident decision making in safety critical environments. Engineered for challenging operating conditions, it maintains dependable gas detection even in the presence of temperature extremes, contaminants, and process variability. Its infrared detection approach supports long term stability, helping reduce false alarms and minimize maintenance interruptions that can impact operational continuity. Built for lifecycle performance, the Rosemount 625IR supports predictable operation over extended service intervals, helping reduce total cost of ownership and allowing operators to focus on process safety and asset protection rather than frequent recalibration or reactive maintenance. Designed for seamless integration, it aligns with modern industrial safety architectures and plant modernization initiatives, supporting scalable, standardized deployment across complex facilities for consistent safety performance throughout the asset lifecycle.

Key Features

  • Ultra-fast response times
  • Calibrated for life, reducing maintenance and complexity
  • Best-in-class performance specifications
  • Multi-colored status indicator LED at front of gas detector
  • Heated optics to disperse any moisture on optical surfaces
  • Duct versions of the Rosemount 625IR Fixed Gas Detector are available in two lengths – 15 cm (5.9 in) and 35 cm (13.8 in)
  • Range of accessories available to help protect the gas detector from environmental impacts, offer installation flexibility and more