Measuring moisture in active and especially corrosive gases has been a problem. FTIR has been used because of its ability to measure a number of components as well as moisture very accurately down to low ppb levels, be rugged for long time frames of a year or more before maintenance is required, as well as other considerations.
Advantages of the FTIR Interferometer
- Dynamic alignment for short term and long term stability
- Computer controlled alignment for high energy throughput
- High signal to noise performance for better that 10,000/1 in %T or 0.1 milli-absorbance units of noise for a 1 minute scan at 1 cm-1 resolution
- Pin and place pre-aligned components for easy, reproducible, replacement of components by the user
- Full diagnostic software/hardware, which monitors and displays voltages/currents for each component such as laser, source, detector, dynamic alignment, temperature, and more with recommended solutions/repairs if a problem is detected
- Excellent stability as demonstrated by well ratioed water bands made from single beam spectra taken just a few minutes or hours apart
- Pin and place detector replacement
- Computer control of mirror scan velocity, detector gain, preamplifier band pass filters
- Smart "On Board Computer" for control of the interferometer
- Resolution of 0.5 cm-1 standard and optional 0.125 cm-1
- Fast scan speeds allow one to make repeating kinetics measurements often in less than 20 seconds down to less that 1 ppm detection levels for most impurities
Contact us at:
603 886-5555 Voice 603 386-6399 eFax afuller@ftir.com
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