Prima X IR Gas Transmitter


Every feature of the SIL 2 designed Prima X IR Gas Transmitter is designed with reliability in mind to withstand the most challenging environmental conditions throughout the product’s life. MSA’s Prima XIR Gas Transmitter offers LEL (Lower Explosive Limit) combustible gas detection through a patent-pending PrimaX Gas Transmitter IR dual source design. A redundant IR source provides reliability and uninterrupted monitoring should a source failure occur. Furthermore, the possibility of obscuration’s due to rain, fog, dirt, dust, and other environmental conditions is minimized due to dual source design. In addition, optics are optimized for maximum signal, resulting in a product of extraordinary stability.


  • Patented dual source design provides redundancy and reliable, uninterrupted performance
  • Patented environmental guard sensor housing for fast, efficient response time
  • Heated optics prevent condensation buildup
  • 4–20 mA analog output
  • User-friendly setup, calibration diagnostics, and maintenance via HART digital communication
  • One-person calibration is easily performed using calibration cap
  • Easy connection using aluminium or stainless steel junction box
  • 316 stainless steel, IP 67-rated, rugged housing protects unit from environmental extremes
  • Factory-calibrated for fast commissioning
  • Wide temperature range of –50°C to +80°C
Prima X IR Gas Transmitter
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