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2nd Gen QuantaDose UVC Light Test Card with (WPV) Word Power Visibility Technology
Designed and Engineered in the USA, the 2nd Edition Professional QuantaDose uses patent-pending photochromatic WPV (Word Power Visibility) technology to provide reliable UVC intensity readings in 15 seconds with instant notification of optimal UVC germicidal wavelengths. The QuantaDose UVC intensity test card relies on calibrated word legibility starting at 300 µW/cm² when the word ” ULTRAVIOLET” first becomes legible during exposure to optimal UVC germicidal wavelengths.
What is QuantaDose?
We are Quanta X Technology, the manufacture of QuantaDose UVC Test Cards, is an American company founded during the start of the pandemic in 2020 by people who have spent their entire lives in the research and development of technologies that utilize electromagnetic radiation. Today they have focused their talents on the transmission and detection of UVC light from consumer-engineered UVC devices by manufacturing rapid ultraviolet-type C analytical test instruments.
Top and Bottom Light Sensor Test Wavelength of UV Exposure by QuantaDose
Basic, Reliable, Low Cost, Simple Method of Monitoring UV Intensity
The 2nd Edition Professional Grade QuantaDose UVC test cards are a basic, reliable, low cost, simple, in-house, and right out of your pocket method of monitoring UVC intensity along with verifying that the optimal UVC germicidal light wavelengths are being used in your disinfection process.
2nd Edition Differences:
The added durability of this 2nd Edition was designed for higher power commercial use.
- Resilient PVC for Higher Power UVC
- Higher Card to Analyte Contrast
- Added UVC/UVB Color Scale Differential
- Batch Numbers for Quality Control
Methods to Verify a UVC Product's Claims of Germicidal Wavelengths and Germicidal Intensity.
STEP 1) Top Light Sensor Test Wavelength of UV Exposure: When exposed to optimal UVC germicidal wavelengths, the QuantaDose UVC test card undergoes an instant color change to the green where fluorescence is directly related to energy values of UV wavelength received. Fluorescence stops when excited electrons release all photos within nanoseconds after exposure. STEP 2) Bottom Light Sensor Test Intensity of UV Exposure: When exposed to confirmed UVC wavelengths, the QuantaDose test card first displays the word "ULTRAVIOLET " at approximately 300 µW/cm² a gradual color change is directly related to the energy value received. Temporary photochromic dosimeter color is used to check intensity after exposure and should be checked immediately after exposure for the most accurate intensity results. The test is completed in 15 secs, remove the card from the source!
Randy
Reviewed in the United States on February 8, 2025
Still unknown how much uv my lighter has !!!
Brent
Reviewed in the United States on February 26, 2025
The little experience I have with these reusable card UV detectors, this one works best for UV-A.It fades fast, but registers better than the other QuantaDose reusable card in the photo. Both luminesce under the UV light, but only this one retains it for a few seconds after the UV is shut off.
Gnemik
Reviewed in the United States on July 15, 2024
I got this to determine if sunglasses (and other eyewear) actually delivers purported UV protection. The card works great. I merely covered the UV sensitive areas with the lens, and exposed it to sunlight. Quickly remove the sunglasses and check if the area is still white. You have to be quick, because the ambient UV light will affect the sensitive rectangular spaces.I am happy to report that the glasses I tested did indeed have UV protection. Even a pair of reading glasses offered UV protection. (The lens doesn't have to have dark tint to possess UV protection.)I wish the card came with a case/sheath, for protection. Otherwise, it functions exactly as expected. Great assessment tool. 4.75+ stars with a very high level recommendation.
On-line Shopper
Reviewed in the United States on April 10, 2024
What I liked about the card is how easy it is to use, that it's sturdy and small (like a store or credit card), and easy to take along on a walk. I initially used it to test different articles of clothing, hats and sun umbrellas to see if they blocked or reduced UV exposure, especially those not UPF rated. I noticed the color displays quickly uncovered, then takes a few seconds to reset to get a new reading when covered. I was please to find many non-rated fabrics provided protection. Watching the videos explaining the use of the card made it easy to use the card when it arrived.
Lodestar
Reviewed in the United States on May 18, 2023
I bought this to test out a wand style UVC disinfecting light I purchased back in 2020 after COVID was raging, as well as an aquarium UVC light that I purchased to make a disinfection box for keys, phone, masks, etc. I later was wondering if they were actually UVC after looking for a box version that could disinfect several items at once. It was in those reviews I learnt about this UVC card. It works as advertised and is clear about how strong the UVC light is. My wand showed at weak to moderate. The 5 watt bulbs was moderate to high.I've included the type of box I bought at Target. I lined it with what I had left of the reflective aluminum insulation and some tin foil. Works just fine. The UVC aquarium light in it is an 8 inch 5 watt bulb. It doesn't seem to get hot but it does seem to put off an odour that is likely low ozone. This bulb can be found here: https://www.amazon.com/gp/product/B092QMDWGJ/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&th=1
Client d'
Reviewed in Belgium on December 25, 2023
N'indique aucun uvc alors que j'ai des tubes désinfectants uvc , produit défectueux ou faux; ne pas acheter.Produit detiné à vérifier l'effet des uvc en professionnel (cabinet dentaire).
Omega Man
Reviewed in the United States on April 4, 2023
This is good for detecting the presence of UV-C using the green fluorescent dye, but the purple photochromatic area responds to 320-400nm UVA/UVB (not UV-C) which your light source may not emit much of at all.Testing this with Philips TUV 4W FAM 4W (G4 T5) tubes, which are advertised to emit almost entirely 253.7nm UV-C, and only about 8% in the 320-400nm UVA/UVB reaction range of the purple dye, all according to the Phillips spec sheet, I get almost no reaction from the purple dye.The purple photochromatic dye obviously works in the 320-400nm UVA/UVB range though because I get a very dramatic immediate reaction in direct sunlight.So my conclusion is that this will tell you that you have UV-C, but it won't help you quantify the intensity of it. Thus light sources that are perfectly fine will appear to "fail" simply because their spectral power distribution curve is too narrowly spiked in the UV-C range and not wide enough to also produce a large enough amount of UV-A and UV-B.The only way to really test germicidal lamps though is with bacterial cultures because the germicidal function is not just the intensity of the light source, but also the exposure time and the "penetration" of the light into cavities on UV-C opaque surfaces, the amount of light reflected off of the inside of reflective boxes that actually reaches a surface, and other complicated real-world factors.That's the main problem with UV-C disinfection at the moment. A lot more testing is needed to determine what sort of sanitizer box/cabinet designs work and how well.
Avrila S. Klaus
Reviewed in the United States on September 20, 2022
Bought mainly to test sanitizing ability of a project I'm working on, but to benchmark it I tried my lizards' UV lamps — and found out that they had worn out and were only producing visible light! Fortunately I had spares ready, which this card does accurately detect as a UVA/B but not UVC source, and my lizards are happily soaking up the right kind of "sun" again.(At first I thought the card was taking a long time for the purple color to develop, but when I took it outside to try it out on sunlight, found out the 15 seconds the manufacturer recommends is a generous estimate. This thing is *not* subtle.)Would also be a good gadget for a science-oriented kid, for testing different materials' ability to block UV (glass, different clear plastics, ???), or UV levels under different conditions (weather, time of day, day of year, ???), especially since it's cheap enough to toss and replace if they have the idea to test sunblock and have any issue getting it to rinse clean (I have not tested whether that would happen, might do after using as intended though).
Hubert B.
Reviewed in the United Kingdom on May 10, 2021
The QuantaDose UVC Light Test Card is of excellent quality and very easy to use, for me it became instantly the essential quick test for germicidal lamps.Many sellers offer "germicidal, antiviral" bulbs in times of Covid, but only very few lit up the green UV-C field on this test card, meaning the vast majority of sold bulbs is not fit for the purpose and could be used as disco lights or as fake banknote detector.
Matt
Reviewed in the United Kingdom on April 5, 2021
A simple and useful tool. My only criticism is that the instructions for step 2 seem to asume that the UV source is monochromatic. With some fake UV-C sources there will be a mix of UV-C and cheaper UV-A LEDs. While it does say "Wide-band UV indicator" it also says "Confirm UVGI intensity" next to it but you cannot do this with a wide-band indicator when the source is possibly multichromatic. I would be goon if this limmerataion is mentioned and if a workaround could be suggested by Quant X e.g. prehaps running the test twice, once with and again without a UV-C filter.
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