The U.S. Army Edgewood Chemical and Biological Center (ECBC) has posted their independent testing of the FirstDefender™ on ECBC website:
Testing of Ahura's FirstDefender Handheld Chemical Identifier Against Toxic Industrial Chemicals.
The report concludes "The TIC detection capability of the FirstDefender handheld Raman chemical identification system was tested and confirmed for 31 toxic industrial chemicals and several non-reactive binary mixtures using both the vial chamber and "point-and-shoot" modes.
The system correctly identified the chemicals under consideration in 66 of 67 cases tested. The unit was also capable of directly identifying the material contained in amber glass bottles. In summary, given that the instrument is enclosed in a lightweight weather/chemical resistant package that measures approximately 12 in x 6 in x 3 in, the instrument can operate over a temperature range of -20 to +40 ºC in dry and wet environments, and has been verified to meet military and commercial standards of water sealing, mechanical shock, mechanical vibration and thermal shock, and the chemical detection performance as tested. The FirstDefender can be a suitable candidate for rapid field detection and identification of toxic industrial liquids and solids."
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