Krypton Chloride Excimer Lamp: Efficient and Safe UV Disinfection Solution

As a professional UV lamp manufacturer, our company has over 15 years of production experience, focusing on providing reliable UV light source solutions for global industrial enterprises. Our krypton chloride excimer lamp is based on krypton and chlorine excimer excitation technology, specifically designed for purchasers who require high-intensity 222nm Far-UVC radiation. This product is widely used in pharmaceuticals, food processing, water treatment, and air purification, helping manufacturing companies achieve efficient microbial inactivation while complying with international safety standards such as ACGIH and IEC 62471. Unlike traditional 254nm mercury lamps, our krypton chloride excimer lamp features a mercury-free design, reducing environmental pollution risks, and uses optical filters to filter out harmful wavelengths, ensuring low penetration damage to human skin and eyes.
Manufacturing enterprise purchasers are most concerned about the product's sterilization efficiency, energy consumption costs, durability, and installation compatibility. Our krypton chloride excimer lamp at a wavelength of 222nm can effectively destroy the DNA and proteins of bacteria and viruses (such as coronavirus and influenza virus), achieving an inactivation rate of over 99.9% without leaving chemical residues. This is safer than traditional UVC lamps because 222nm light is absorbed by the stratum corneum and tear film of the skin, preventing deep tissue penetration. According to multiple studies by Columbia University and Ushio Inc., after filtration, even continuous exposure up to 500 mJ/cm² does not induce skin DNA dimers (CPD and 6-4PP) formation, which is far higher than the daily exposure limit of 23 mJ/cm².


In industrial applications, it can be used for continuous disinfection of cleanrooms, wastewater treatment systems, or air filtration equipment, significantly reducing bioburden and ensuring product sterility. For example, on pharmaceutical production lines, krypton chloride excimer lamp can reduce airborne pathogens in real-time, prevent cross-contamination, and improve production stability. Addressing the energy consumption and maintenance concerns of purchasers, our product starts in less than 1 second, reaching 100% light output, while traditional lamps require several minutes of warm-up. The mercury-free structure extends the service life, reduces waste disposal costs, and complies with EU REACH and RoHS environmental regulations. Installation is flexible, supporting modular design, suitable for OEM integration or existing production line modification. Actual tests show that continuous operation in a simulated office environment can reduce bacteria and fungi by 52%, with no reports of eye discomfort.
In addition, compared to 254nm lamps, 222nm radiation has higher degradation efficiency for organic pollutants such as PFAS, supporting photochemical synthesis and surface modification applications. To facilitate purchasing decisions, the following is a table of key parameters for the krypton chloride excimer lamp (based on a standard 20W module, customizable):
|
Parameter Category |
Specific Specifications |
Description |
|
Wavelength |
222 nm (Main Peak) |
Far-UVC, efficiently inactivates pathogens, safe for humans (after filtration) |
|
Power output |
20W (expandable to 100W) |
Radiation intensity >170 mW/cm2, supports large area coverage |
|
Lifespan |
>10,000 hours |
Mercury-free design, low maintenance cost |
|
Dimensions |
Length 150mm, diameter 25mm |
Modular, easy to integrate production line |
|
Energy consumption |
<50W input power |
20 times smaller than HEPA filters, with high energy efficiency |
|
Safety standards |
ACGIH TLV, IEC 62471 |
Daily exposure limit of 23 mJ/cm2, with no risk of skin/eye damage |
|
Application efficiency |
Inactivation rate >99.9% (MS2 virus) |
Laboratory validated, effective against Gram-positive/negative bacteria |
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