New, Improved 128 Pixel Variable Filter Array IR Spectrometer Unveiled at Pittcon ‘08
Mar 12 2008 Read 1082 Times
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 micrometre, 5.4 - 10.8 micrometre, and 9 – 14 micrometre.
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.
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