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UV Disinfection Demo

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Surface Disinfection with UV-C LEDs on the Next Level

EBV’s UV-Disinfection demonstrators are developed for surface disinfection of 2D and 3D objects. Beyond the currently available surface disinfection chamber with Mercury-tubes or UV LEDs, this design showcases the following advanced feature:

Auto-adjustment of exposition time on detected surface area¹⁾
Treatment surface estimation¹⁾
LED performance monitoring and adjustment
Portable electronics ICs for USB-C, Li-Ion-Batteries and LED drivers.
Test kit for natural microbial fluorescence detection²⁾
Choose different disinfection modes / doses³⁾

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EBV - UV Disinfection Demo Table

Featured parts:

Supplier / Partner	Description
ams OSRAM	AS 7331TC Test chip (I²C digital optical UV-A,B,C Sensor) SU CULCN1.VC Midpower UV-C LED Learn more
Avnet Abacus	Standard batteries from Avnet Abacus’ portfolio No Tooling No Certification Option for intelligence/smart batteries Off the shelf Catalog: Standard lithium-ion / polymer battery packs: Download now
Infineon	Infineon TLE4913 Hall-Sensor for Open-Close Safety switch
Luminus	XBT-1313-UV mid power UV-C LED XBT-3535-UV high power UV-C LED Download Datasheet
STMicroelectronics	STM32F401 Main MCU processor (HMI interface, Process control) Learn more Buy now

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Annotations:

Treatment surface estimate for process time adjustment is based on the fact that the Flux any Disinfection object in the chamber will absorb UV-C Light (Most Materials exhibit < 50 % reflection /scattering of the light). With perfect scattering in Chamber walls, the UV-C Flux is indirectly proportional to the UV-Absorbing Surface of the Disinfection specimen.
Microbes typically emit a UV-A signal upon UV-C excitation. This principle was researched in different papers like; Source: http://journals.sagepub.com/doi/10.1366/000370209789806993
This design enables you to study this principle for your specific use case.
Besides the new engineering Samples of the UV-A, B, C Sensor, EBV also offers professional miniature spectrometers from Broadcom for medical and industrial applications to monitor this effect, among other use cases.
There are major differences for disinfection doses (mJ/cm²) depending on the pathogen species and the disinfection degree. This evaluation kit allows to choose various disinfection doses. EBV-Specialists provide you with further know-how about this topic, too.