Device for Identifying the UV Emission Spectrum.

Area of Science:

• Instrumentation and Measurement
• Photochemistry and Photobiology
• Environmental Health Engineering

Background:

• Ultraviolet (UV) radiation is a key method for disinfecting public spaces like malls and offices.
• Accurate measurement of UV wavelength spectrum is crucial for ensuring the efficacy of disinfection devices.
• Existing UV measurement equipment can be expensive and inaccessible for widespread use.

Purpose of the Study:

• To develop a cost-effective and user-friendly UV spectrum detector.
• To enable precise identification of UV-A, UV-B, and UV-C wavelength spectrums.
• To facilitate data transmission for analysis and evaluation of disinfection effectiveness.

Main Methods:

• Development of a UV detector utilizing four UV sensors (UV-A, UV-B, UV-C, wide-range UVA) with a transimpedance amplifier.
• Integration of an Arduino Nano for data acquisition and processing.
• Creation of a custom calibration light source with seven UV LEDs of varying wavelengths.
• Design of ergonomic 3D-printed housings for the detector and calibration device.
• Development of custom PC software using Processing for data visualization.

Main Results:

• Successful development of a UV spectrum detector capable of measuring UV-A, UV-B, and UV-C radiation.
• The device allows for data transmission to a PC for detailed analysis.
• A custom calibration system was implemented using multiple UV LEDs.
• Affordable price point compared to commercial alternatives.
• Ergonomic design for ease of use.

Conclusions:

• The developed UV spectrum detector is an effective and affordable tool for verifying UV disinfection systems.
• This device can help ensure the proper functioning of UV disinfection in various public and commercial settings.
• The project demonstrates the feasibility of creating accessible scientific instrumentation for practical applications.