Filter Wheel tests NIR analyzers.

Press Release Summary:



Filter Wheel performs tests on wavelength, linearity, and noise to verify that near-infrared analyzer instruments are in compliance with NIR spectroscopy standards. Software leads user through 2-3 min test process. Tests run individually or as suite, and users can view individual results during test, or view overall results once tests are complete. Filter wheel maintains log of past results, allowing users to track and analyze performance trends.



Original Press Release:


Analytical Spectral Devices Develops New Accessory for Pharmaceutical Industry


Boulder, Colo., December 17, 2001 - Analytical Spectral Devices, Inc. (ASD), manufacturer of analytical instruments for the pharmaceutical and nutraceutical industries, has developed a new filter wheel accessory for its family of near-infrared (NIR) analyzers.

The Filter Wheel performs tests on wavelength, linearity, and noise. These tests allow ASD customers to rapidly verify whether their instruments are in compliance with NIR spectroscopy standards, such as those recently established by The United States Pharmacopeial Convention, Inc. (USP), a non-government organization that establishes standards to ensure the quality of health care technologies.

"While all of our instruments exceed the standards set by USP, we felt it necessary to develop a product that allowed our customers to quickly prove that their instrument is in compliance and meets GMP and ISO requirements," said John Enterline, director of sales and marketing at ASD.

A wizard-enhanced software program leads the user through the 2-3 minute test process. The tests can be run individually or as a suite, and users can view individual results during the test process, or they can view the overall results once the tests are complete. In addition, the filter wheel maintains a log of past results, allowing users to track and analyze performance trends.

The Filter Wheel measures 4.5" x 2.5" x 4", weighs 1.5 lbs. and connects to ASD's instruments using a 1-meter SMA-to-SMA fiberoptic jumper cable. Internally, the Filter Wheel consists of six filters of different density--one NIST traceable polystyrene, four neutral and one empty. Accompanying software shows the user how to properly use each filter.

Although it was developed specifically for the pharmaceutical industry, the Filter Wheel can also be useful for anyone using an ASD instrument, no matter what the application. Moreover, when using an external light source, the Filter Wheel can be used to perform accuracy tests on the company's line of FieldSpec portable spectroradiometers.

Founded in 1990, Analytical Spectral Devices is the only manufacturer of truly portable, laboratory-quality UV/Vis/NIR spectrometers, spectroradiometers, spectrophotometers and corresponding software. ASD's instruments perform well in a range of environmental conditions, in and outside of the laboratory, and have applications in pharmaceutical, nutraceutical, analytical chemistry, remote sensing, petrochemical, grain, mining, food & dairy, and pulp & paper industries. For more information, please contact John Enterline, Analytical Spectral Devices, 5335 Sterling Dr., Suite A, Boulder, CO, 80301; 303/444-6522, 303/444-6825 (fax); www.asdi.com

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