IR Spectrometer for Onsite Material Verification

Product Announcement from Wilks – A Spectro Scientific Company

IR Spectrometer for Onsite Material Verification-Image

Wilks - A Spectro Scientific Company  InfraSpec VFA-IR Spectrometer with a 128 pixel detector array provides expanded capabilities and better performance, including 75x increase in signal-to-noise ratio, 1.5x improvement in spectral resolution, and updated calibration wizard with Chemometric PLS capabilities.  It provides users with an easy-to-use analytical method for such applications as material verfication, bioduels measurements, and analysis of barrier layers in multi-layer films.

The InfraSpec VFA-IR Spectrometer represents a new concept in mid-IR instrumentation which utilizes a detector array with linear variable filter. This results in a compact, portable spectrometer that has a number of advantages over conventional Infrared instruments such as the widely-used FT-IR Spectrometer. These advantages include no optical path through air, no moving parts, light weight (under 5 lbs), portable (battery operated), rugged, and low cost. The InfraSpec VFA-IR Spectrometer will supplement FT-IR capability in plant or field locations where it is not feasible or economical to use FT-IR instruments. It is designed to provide spectral data on a wide variety of samples, as well as numeric concentration data with a Pass/Fail material verification display. It is ideal for such applications as process monitoring (PAT), quality control, materials verification, environmental testing and biofuels analysis. Standard spectral ranges include 2.5 - 4.8 µm, 5.4 - 10.8 µm, and 7 - 14 µm.

The patented InfraSpec VFA-IR Spectrometer consists of an ATR sample plate or transmission sample stage with an elongated, pulsable source mounted close to one end and a linear variable filter attached to a detector array mounted close to the other end. The spectrometer is usable in plant, field and laboratory environments. The InfraSpec VFA-IR Spectrometer can be used like an FT-IR Spectrometer; however, much of the software program has been geared towards repetitive process analysis applications. The dedicated software provides a range of spectral processing functions and can be calibrated for quantitative analysis or materials verification. An optional simplified interface provides numeric or pass/fail results designed to be operated by personnel having little or no knowledge of infrared analytical techniques.

For more information on the new 128-pixel InfraSpec VFA-IR Spectrometer, or contact Wilks - A Spectro Scientific Company., 25 Van Zant Street - Ste. 8F, E. Norwalk, CT 06855, TEL: 203-855-9136, email:; web site - or download information at

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