UV-C Exposure Time Calculator
Device Type:
Total Electrical Power: W
μW/cm2
(measured at 1 meter)
Manual Override
(measured at 1 meter)
Manual Override
x meters
Results: Exposure Times Required for Common Pathogens
| Device Name | UV-C Irradiance (μW/cm2) |
Power (W) |
99.9% inactivation | 99.99% inactivation | Graphical Comparison | |||
|---|---|---|---|---|---|---|---|---|
| MRSA (10mJ/cm2) |
SARS CoV-2 (25mJ/cm2) |
C.difficile (46mJ/cm2) |
SARS CoV-2 (30mJ/cm2) |
Other Pathogens (100mJ/cm2) |
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SOURCE for SARS CoV-2 dose: "Ultraviolet irradiation doses for coronavirus inactivation – review and analysis of coronavirus photoinactivation studies"
SOURCE for SARS CoV-2 dose: "INTERIM INDICATIONS FOR THE USE OF UV GERMICIDAL IRRADIATION IN THE CONJUNCTURE OF COVID-19 PANDEMIC"
SOURCE for other pathogen doses: "Fluence (UV Dose) Required to Achieve Incremental Log Inactivation of Bacteria, Protozoa, Viruses and Algae"
