Gas Spectrometer – Model TFS1

TFS I

The TFS1 from Envent Engineering Ltd is an all-optical analytical platform using a TFS (tunable filter spectrometer) sensor developed by MKS Precisive LLC. The TFS1 offers GC like speciation at unparalleled speed and requires no carrier gas. The TFS1 uses infrared absorption to measure methane, ethane, propane, butanes, pentanes, carbon dioxide and high range H2S.

Using a unique wavelength-sweeping tunable filter spectrometer, fast update rates at 1 second intervals are performed for the full C1 through C5 analysis. Sampling is with a flow-through cell, suitable for continuous, on-line, unattended operation. The analyzer does not require carrier gas or fuel gases, only a recommended periodic on-site verification gas. The standard system configuration provides measurements of up to 100% methane, 25% ethane, 25% propane, 10% butanes and 10% pentanes. Diatomic compounds such as nitrogen, oxygen, and hydrogen are not speciated and are combined and reported as inferred measurements. Other ranges and/or additional gases are available. Contact Envent for specific requirements, compounds and ranges.

Features

• Response times as fast as 1 to 10 seconds
• No carrier gas or instrument air required
• “First principle” measurement
• No periodic calibration required
• No consumables (IR source @ 1.5years)
• Low power DC operation (AC available)
• Multi-component hydrocarbon gas analysis plus percent level H₂S and CO₂
• BTU Index, Wobbe Index and density outputs
• Minimal sample conditioning required
• Limited maintenance required
• Low total cost of ownership
• Advanced software provides full configurability
• Remote & completely unattended operation

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