![Spectral emittance of a low pressure mercury UV lamp (solid line) and a medium-pressure mercury UV lamp (dashed line). | Global Water Pathogen Project Spectral emittance of a low pressure mercury UV lamp (solid line) and a medium-pressure mercury UV lamp (dashed line). | Global Water Pathogen Project](https://www.waterpathogens.org/sites/default/files/figure61a-3_0.png)
Spectral emittance of a low pressure mercury UV lamp (solid line) and a medium-pressure mercury UV lamp (dashed line). | Global Water Pathogen Project
![Emission spectrum of a Hg low pressure lamp (source: own representation). | Download Scientific Diagram Emission spectrum of a Hg low pressure lamp (source: own representation). | Download Scientific Diagram](https://www.researchgate.net/publication/320470928/figure/fig1/AS:616370601463843@1523965611996/Emission-spectrum-of-a-Hg-low-pressure-lamp-source-own-representation.png)
Emission spectrum of a Hg low pressure lamp (source: own representation). | Download Scientific Diagram
![Recent progress on UV lamps for industries PDF(478KB) | Ushio's technology periodical, "Light Edge" | USHIO INC. Recent progress on UV lamps for industries PDF(478KB) | Ushio's technology periodical, "Light Edge" | USHIO INC.](https://www.ushio.co.jp/en/technology/lightedge/200611/content_file/file/lightedge_28-04-01.png)