Surgical Lens
The LI22A-RF panels are engineered to shield against Radio Frequency Interference (RFI), making them ideal for medical operating rooms and environments with sensitive electronic equipment. Pattern 22 is a premium grade smooth, clear acrylic sheet. Each acrylic sheet features polished surfaces on both sides and incorporates a silver RF grid applied to the back of the panel for effective shielding performance.
The panels are .125” thick and available in a maximum size of 23¾” x 47¾”. They can be cut to smaller based on your specifications.
Radio Frequency Interference Suppression
This surgical lens comes with an RFI-suppressing grid of silver ink on the smooth side of the lens. The grid intercepts the radiated emissions from the lamps, which are then carried out to the fixture and dissipated through an electrical ground. This reduces the RFI transmitted to the space to a level below which RFI-sensitive equipment is affected. The RFI grid has been tested and complies with Military Standard 461A*.
NOTICE: RFI SUPPRESSION AND ELECTRICAL BALLAST Testing data for fixtures with electrical ballasts and clear acrylic lenses with RFI-suppressing grids have yielded a result that deviates from the Mil-Std specification (461A, 461D). The result is associated with the approximate 20kHz operating frequency of the ballasts and their harmonics (which differ markedly from those associated with magnetic ballasts). Further information about these tests may be obtained from Louvers International.
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