Thermo Scientific™

Model 49i-PS Ozone Primary Standard

Related applications:


Produce ozone concentrations of up to 5000ppb with the Thermo Scientific™ Model 49i-PS Ozone Primary Standard, a UV photometric primary standard suitable for calibration of ozone analyzers and transfer standards. The Model 49i-PS uses a dual-cell photometer, the concept adopted by NIST as the principle technology for the national ozone standard.

Discover the iQ to work smarter with our next generation 49iQ Ozone Primary Standard.

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Key Features:

  • Achievable response time of 20 seconds
  • Ozonator flow rates of up to 6L/min.
  • Fast internal ozonator and response time
  • Temperature and pressure correction

iSeries Advantage:

  • Ethernet connectivity for efficient remote access
  • Enhanced user interface with one button programming and large display screen
  • Flash memory for increased data storage and user downloadable software
  • Enhanced electronics design optimizes product commonality
  • Improved layout for easier accessibility to components