Rosalina Instruments offers Fluorescent Plate for Accelerator Radiation Field Visualization. Rosalina Instruments supplies wide ranges of single - sample osmometer, milk cryoscopes, radiation detectors, block cutting devices, x-ray meter etc. Fluorescent Plate for Accelerator Radiation Field Visualization is activated by ionizing radiation, producing a green fluorescence which is clearly visible for a few minutes after the radiation is switched off. The 20 X 20 cm active area is permanently marked with a field scale in centimeters. Fluorescent Plate for Accelerator Radiation Field Visualization is available with a protective red filter which prevents activation of the phosphor by the light field from the gantry head or by ambient lighting.