We are constantly improving our research, design and development capabilities to lay the foundation for developing far uvc led manufacturer, Sterile Light Germicidal Ultraviolet Light for Air Purifier, far ultraviolet that better meet our customers' needs. The company has an active product research and development team, and has been committed to the improvement of existing series of products and the development of new products for a long time, to ensure the sustainability of the products and the overall solution to the sensory control problem, making the product the best choice for the professional field in the long-term. We actively broaden our business channels, increase the added value of our services, and further close the relationship with end users.

FEATURES

1. Complete lamps can be used directly

2. Pure 222 nm

3. Environmentally friendly/mercury-free

4. Safe disinfection technology

5. Wide operating temperature

6. Instantaneous on/off

7. Large production capacity

8. No degradation in output over the life of the lamp

9. Spectrum testing by the third-party

10. EPA, ISO9001, CE certified

SPECIFICATIONS

1. Model no.: UWF222-20W

2. Peak Wavelength: 222nm

3. Size: 307*117*48mm

4. Input Voltage: 24vDC

5. Power: 20w

6. Beam Angle: 60°

7. Radiation Intensity: 3000μw/cm²(0cm)

8. Operating Temperature Range: -10°C - 150°C

9. Materials: Quartz glass, Polymer end caps, Krcl noble gas

10. Lifespan: 4000 hours

APPLICATIONS

Air disinfection

Surface disinfection

Room sanitisation

Sanitisation for public places

Home, office, school, hospital

Effectiveness of 222-nm ultraviolet light on disinfecting SARS-CoV-2 surface contamination

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes coronavirus disease 2019 (COVID-19), has emerged as a serious threat to human health worldwide. Efficient disinfection of surfaces contaminated with SARS-CoV-2 may help prevent its spread. This study aimed to investigate the in vitro efficacy of 222-nm far-ultraviolet light(222 nm far uv lamp far uvc wavelength range light good choice for room disinfection) on the disinfection of SARS-CoV-2 surface contamination.

We investigated the titer of SARS-CoV-2 after UV irradiation (0.1mw/cm2) at 222 nm for 10-300 seconds using the 50% tissue culture infectious dose (TCID50). In addition, we used quantitative reverse transcription polymerase chain reaction to quantify SARS-CoV-2 RNA under the same conditions.

The results showed that 1 and 3 mJ/cm2 of 222-nm UVC irradiation (0.1mw/cm² for 10 and 30 seconds) resulted in 88.5 and 99.7% reduction of viable SARS-CoV-2 based on the TCID50 assay, respectively. In contrast, the copy number of SARS-CoV-2 RNA did not change after UVC irradiation even after a 5-minute irradiation.

This study shows the efficacy of 222-nm UVC irradiation against SARS-CoV-2 contamination in an in vitro experiment. Further evaluation of the safety and efficacy of 222-nm UVC irradiation in reducing the contamination of real-world surfaces and the potential transmission of SARS-CoV-2 is needed.

Along with a wide variety of UVC Lamp Preheat Low Pressure Mercury Quartz Glass Tube Ceramic Base UV Germicidal Lamp 222nm UVC Lamp, we offer extensive processing capabilities, both of which enable us to provide prompt shipment and custom parts. We adhere to the purpose of "scientific and technological innovation, return to users, and dedication to society", actively carry out technological innovation work, and insist on putting customers first. We occupy the market with our excellent service, are trusted by the majority of users, and enjoy good public integrity.

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