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Thermo 55i


Thermo Model 55i


The Thermo model 55i Methane & Non-Methane analyzer utilizes a back-flush GC system in order to measure non-methane hydrocarbons directly.  It can measure low ppm THC’s more accurately than any other FID that we rent.  Oxygen synergism is minimized with this instrument.  Each measurement cycle takes approximately 70 seconds.

Part Number
Thermo Model 55i

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CleanAir Engineering provides world-class service, support, and technical expertise alongside every instrument rental. All air monitoring equipment is inspected or calibrated before shipping from one of our four technical centers. Each rental includes additional accessories and components, providing added convenience and reliability to ensure the success of your project.

CleanAir Engineering offers full-service calibration or repair for this item. To learn more, contact a technician today at: 1-800-553-5511. Or, complete our repair request form to begin your service request today! Most out-of-calibration or out-of-service instruments can be shipped to any one of our four technical service centers, in Chicago, Houston, Pittsburgh, or Marseille, France.