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Test 254 nm UVC Dosimeters UVC Color Changing Meter Cards

These simple test cards give you what you need to start validating the light output from your UVC light source. It’s not enough to trust the manufacturer’s specifications.  You must verify that the system you’re entrusting the health and well being is doing what it says – deactivating germs and killing pathogens.



• Verify the wavelength of light being emitted
• Validate the amount of light being emitted
• Confirm the amount of light reaching a surface

These easy-to-use, playing card sized UVC Dosimeters will increase the efficiency of the UV light disinfection processes.

The amount of inactivation is directly proportional to the UVC dose, which is received, and this in turn is the result of its intensity and duration of exposure. The farther away the light source, the less UVC will reach the target, so only a quarter of the UVC remains when the distance doubles. With an increasing number of fake and defective products on the market Ultraviolet Dosimeters provide you with real-time results  for verification/validation purposes.

The dosimeter uses a specially formulated chemistry or ink that is designed to be sensitive to shortwave ultraviolet radiation (UVC) not visible light or UVA and UVB.  This ensures only germicidal wavelengths are being measured.

There has not been an easy and economical way to prove the process has truly delivered the necessary level of UVC energy to the target until now.


Pathogen name common                 Pathogen scientific name dose (mJ/cm²)
Acinetobacter Acinetobacter baumannii *50
Aspergillus Aspergillus flavis **100
C. diff Clostridium difficile **100
Candida Candida auris *50
MRSA Methicillin-resistant Staphylococcus aureus
Pseudomonas Pseudomonas aeruginosa *50
Serratia marcescens Serratia marcescens *50
Staph/Staphylococcus Staphylococcus aureus *50

View More Pathogens


Microorganism name common      Microorganism scientific name                     dose (mJ/cm²)
Bacillius Bacillus subtilis *50
Brewer’s/Baker’s Yeast Brewer’s/Baker’s Yeast *50
E coli Escherichia coli *50
Listeria Listeria monocytogenes *50
Penicillium Penicillium *50
Salmonella Salmonella typhimurium *50

View More Microorganisms


*Microorganisms/Pathogens require a dose of 50mj/cm2
**Microorganisms/Pathogens require a dose of 100mj/cm2



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