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The TO HVL filter stand is designed for use with any x-ray system. This test object (when used with an appropriate set of Al. filters and a multi-meter) allows the medical physicist or radiographer to test the half value layer (HVL) of their x-ray system. TO HVL has been designed in accordance with the IEC 60601-1-3 standard and features the following test details: -Adjustable height; four options ¨C 30, 35, 45 and 50 cm FID, to suit a range of modalities -Quick central alignment check -Detector recess in base TO HVL is supplied in a protective carry case.

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