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Fast and Reliable Monitoring of Low ppb Levels of Impurities in Industrial and Research Applications

Multi Component Online Gas Analyzer for Trace Gas Analysis

Multi-component online gas analyzer: MultiGas™ TFS™ Monitor

Detection Limits of Sample Compounds: Estimated detection limits are calculated as three times the standard deviation with an averaging time of 30 seconds

Example Configuration: Monitoring of CO2, N2O, and CO in Nitrogen background gas

MKS MultiGasTFSMonitor is an online, multi-compound, trace gas monitoring system in a stand-alone 19-inch rack enclosure. It uses an innovative tunable filter spectroscopy technology enabling high selectivity and stability measurement. Low detection limit (sub-ppm levels for most gases) is achieved through the use of high throughput optics coupled with a long-path gas cell and a high sensitivity detector.

The all-optical MultiGas TFS Monitor provides an alternative to the traditional analyzer technologies for trace hydrocarbon, moisture, CO, CO2 and N2O measurements, enabling low cost yet high performance analysis.

The analyzer is permanently calibrated, reducing the need for costly reference gas mixtures. The calibration stability is guaranteed through the use of ''feature based'' measurement and an advanced spectral processing algorithm that compensates for baseline variations.

Features & Benefits

  • A single analyzer measuring multiple compounds
  • High analytical performance – low detection limits, high stability, linearity over wide ranges
  • Complete, integration-ready system reduces complexity and ensures fast install time
  • Permanent calibration reduces the need for costly calibration gas cylinders
  • Low cost of ownership, easy to install and maintain
  • Continuous measurement for rapid detection of changes in effluent composition
  • Replaces multi-analyzer solutions, reducing costs and infrastructure requirements


  • Air Separation
  • Bulk & Specialty Gas
  • Hydrocarbon Processing
  • Semiconductor


  • Impurity Monitoring
  • Process Safety Monitoring
  • Product Quality Analysis
  • Process Monitoring/Control
  • Emissions Monitoring/Control

Request information now or download our brochure.

We are happy to answer your questions by phone at +49 89 - 2176 67 43

More about MKS Instruments
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