Hello,
I was wondering how to calculate the UV dose in j/m2 of a unit with the following properties:
The unit has 10 bulbs each with a length of 84.3cm and each with 87 watts of power. Each with an electromagnetic radiation is 254 nanometers and voltage of 120 volts.
If exposure time is 900 seconds and distance from surface is 447cm, do you know how I might be able to calculate dosage (J/cm2)?
An equation would also be helpful with determining further calculations.
Thank you!
Hi Dan,
In all the readings that I have seen and all the pages that I have reviewed, there are several methodologies, (1) consider first making use of a meter like Atlantic UV Zenith UV-C Detector https://www.prolampsales.com/products/uv-c-detector-zenith-30-1015, with this or similar you could obtain the power output at the distance between the lamp and the surface to which the application is being made and you only have to control the exposure time in such a way that it changes from w / cm2 to J / cm2 that is, the measure you are using.
(2) Make use of the formulas provided by philips (I do not know if the other suppliers provide such information) in their documentation to be able to make the theoretical calculation of power at the distance of application.
Best regards
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