UV Facts


Germicidal ultraviolet light inactivates microorganisms by disrupting their cellular membranes and by damaging their DNA or RNA.

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UV Irradiation Dosage Table

UV light will kill any DNA-based microorganism given enough UV dosage.

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UV Definitions

UV abbreviations and definitions - the most common UV terminology used in association with UV and germicidal UV technology systems

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Germicidal UV light

The effectiveness of any UV application depends on delivering a sufficient UV dose to inactivate the target microorganisms.In air and surface disinfection the UV dose is calculated as follows:

UV dose* = UV intensity x Exposure time

An applications engineer knows how to take under consideration all the variables which affect the UV dose.

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* The UV dose is usually expressed in microwatt-seconds per square centimeter (µWs/cm²) or milli-Joules per square centimeter (mJ/cm²).

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