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Model T204

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NO/NO2/NOx/O3 Analyzer
Available with Numaview software upon request

The Model T204 combines the proven chemiluminescence NO-NO2-NOx measurement technology with an ozone bench, using UV absorption, to create the world's first US EPA-approved method NO2/O3 analyzer. The Model T204 is ideal for urban airshed monitoring, traffic studies, or stand alone NOx/O3 monitoring.The economical T204 allows reduced integration and procurement costs while providing a simple, stable, and reliable monitoring solution.

The chemiluminescence NO/NO2/NOx channel uses the proven TAPI optical bench and pneumatics of the T200, while the compact UV absorption ozone sensor is adapted from the TAPI 465L ambient ozone monitor. In combination, these two technologies solve many of the problems of users that require a high performance analyzer in a smaller, more cost-effective package.

All T Series instruments offer an advanced color display, capacitive touch screen, intuitive user interface, flexible I/0, and built-in data acquisition capability. All instrument set up, control and access to stored data and diagnostic information is available through the front panel, or via RS232, Ethernet, or USB com ports either locally or by remote connection using the included APIcomâ„¢ software.

Upon request, The Model T204 is available with the Numaview software. NumaView Remote PC software allows for a remote connection with virtual interface and data downloading capability to analyzers operating NumaView software.

  • Simultaneous NO, NOx, NO2 and Ozone readings
  • Compact, cost-effective analyzer
  • Independent Ranges and Auto-Range
  • Large, vivid color display with touch screen interface
  • Ethernet, RS232 and (optional) USB com ports
  • Adaptive signal filtering optimizes response time
  • Ability to log virtually any combination of operating parameters
  • Optional analog inputs
  • Optional Zero/Span Valves
  • US EPA Federal Equivalent Method EQOA-0514-214 for Ozone
  • US EPA Federal Reference Method FNA-1194-099 for NO2
  • Available with Numaview software upon request
  • Two-year warranty
  • Technical support for the life of the instrument



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