Michell Instruments QMA401 Trace Moisture Analyzer
Starting at $20,995.00

Not in stock. Usually ships in 6-8 weeks [?]

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  • 0.1 to 2000 ppmv measuring range
  • 0.1 ppmv (10% of reading) accuracy
  • Simple, low cost, on-site maintenance
  • Unaffected by changes in background gas composition
  • 7" color LCD with touch screen
  • 2 channels: user selectable 4–20 mA or 1 to 5V
  • Ethernet or USB digital communications
  • SD card data logging

The Michell Instruments QMA401 Trace Moisture Analyzer is designed to provide reliable, fast and accurate measurement of trace moisture content in a variety of applications where keeping moisture to a minimum is of critical importance.

The analyzer utilizes a new generation of precision crystal oscillators, guaranteeing high accuracy moisture measurements which are completely insensitive to changes in background gas composition. While measurements at quantities of moisture less than 1 ppmV stretch the capabilities of other technologies, the new QMA401 offers reliability, simplicity and greatly reduced cost of ownership from the industry-proven Quartz Crystal technology.

The analyzer utilizes a mass flow controller to ensure precise control of the sample and reference gas flows to ±0.1ml/ min. Coupled with a pressure transducer, this system ensures continued accuracy of measured and calculated parameters even during fluctuations in sample pressure.

Applications for the QMA401 include:

  • High purity gas production
  • Air separation plants
  • Semiconductor CVD chamber cleaning
  • Semiconductor etching chambers
  • H2 coolant for generators
  • Polymer chip drying
Michell Instruments QMA401 Dryer assembly
Dryer assembly for the QMA401 Trace Moisture Analyzer
Michell Instruments QMA401 VCR Washer
1/4" VCR Washer with Gasket Retainer
Michell Instruments QMA401 Swagelok Tubes
1/4" VCR female to 6mm or 1/4" VCR Female to 1/4" swagelok tubes available