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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.

The company is positioned as "distinctive features, first-class in the industry", with "science first" as the core development concept, adhering to the corporate values of "hard work, innovation, unity and win-win", and is committed to becoming an advanced supplier of special 60W UVC 222nm Far UVC Portable Light USB UVC Rechargeable Lamp Ultraviolet Light Disinfection Home Use products and materials and a provider of sealing technology And industry technology leader. We are committed to providing products and services in a safe and clean manner, actively participating in social welfare and serving social development. We have greatly improved the quality assurance capability of our products, and quality and innovation are the cornerstones of our business.

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