A method of measuring vibration on an operational device. Specifically, the invention is directed to devices and methods for exposing photoreactive compositions with light from light emitting diodes. The second parameter obtained by the correction is stored or transferred along with the second image. The first surface is adapted to accept a fluid sample. Further, the system described herein is configured to detect the acoustic performance of elements of a probe and report the results to an end user or service provider. The hydrogenfluorides of aminosilanols are formed by the reaction of an aqueous solution of a fluorinated acid, preferably, hydrofluoric acid, with an aminoalkoxysilane.