REPTI ZOO UVB Tester Reptile Lamp UV Sensor Reptile UVA UVB Fluorescent Lamp Tester Card, Set of 2

I didn't expect much from these cards, but they've proven to be extremely helpful. As other customers have pointed out, there is no color "chart" per se, but the purple color to the right of the color changing sun is a good indicator of what maximum exposure from full sun is like; when I tested a 100 watt Powersun HID light at 12 inches, which is considered maximum full sun exposure, the card turned nearly full purple with 10 seconds of exposure. This car basically told me that I couldn't get the bulb close enough to provide enough heat without exposing myself to too much UV, so I moved the bulb back a few inches and added a heat lamp. The reptisun is a reptile that can be found in groups of ten I use this as a baseline for what is safe and effective, as 0 UVB bulbs that are known to provide good results turn the card about 2/3 of the way to full purple, so I use this as a failsafe procedure to get just about any bulb positioned correctly.

- Hold the card for exactly 10 seconds at the basking spot, a few inches above the surface where the reptile's back and head will be.
- Bring the light closer if the sun is not yet halfway purple. br>- Back off the light if the sun is nearly full purple.
- If you can't get the temperature up to this level within this range, you'll have to use a separate heat lamp in addition to your UV light. br>br>Note: If you're looking for a unique way to express yourself, try using the words "creative Because this card appears to work via chemical reactions in response to UV exposure, its response sensitivity will deteriorate over time. To get a new baseline for relative measurement, test it every few months for 10 seconds in full sun at high noon. Reptiles benefit from slightly less UV than full sun (50%-80%). 75%) due to the fact that the lights tend to stay on for a longer period than they would get direct overhead sun outside.

Zara Snider

| May 29, 2021

I recently used this product to verify the authenticity of a UVC light wand that I suspected was fake. It turns out that not only is it a real UV light, but it also started turning purple as soon as I turned on the UVC wand from about six inches away from the card. Although this review is not for its intended use, it may be useful to others who are considering using UVC to sterilize equipment during the pandemic.

Maddox Hicks

| Jan 22, 2021

So I used a process of elimination to see if they work for UVA or UVB. UVA is absorbed by glass and plastic but not by UVB. br>I put them to the test in direct sunlight, outside, and through a window. Outside, it's dark purple, and there's no response when you look through the window. As a result, they are effective against UVB but not UVA. So I put my bulb to the test. I'm the proud owner of a Reptisun 10. Inside the mesh lid of a glass terrarium, a 0 t5HO florescent tube light is hung in a Sunblaster fixture with reflectors. Outside the tank, there is no reaction, but inside the tank, it is a medium purple color about 8 inches under the light. Good. br>br>I also put them up against my boyfriend's compact fluorescent bulb, which sat on top of the mesh in his turtle tank. Purple with a hint of light. UVB is in short supply. A more powerful UV setup is required. br>br>As a result, they're effective. It's best to use it with reptiles.

Emanuel Li

| Jul 18, 2021

It's simple to use and understand. Without purchasing a high-end u, I was able to quickly test every bulb I own. meter. That's all there is to the time spent in the sunbathing area. done. I was able to test all of my bulbs, but the results were alarming. I had a few bulbs that didn't show any reading at all, despite the fact that they were still within the manufacturer's time limits. This is something I believe every u should have. The only drawback I discovered was the lack of a color guide. Although this is not a precision instrument, I am very impressed with it as a quick reference.
Pros. br>Very simple to use (10 seconds on the basking area)br>Very cost effective. (For a total of 7, you need two cards). 99)br>Small size (similar to a credit card)br>Cons. br>It's not a precision instrument (there's no guide or chart to show you the approximate u. levels).

Eden Walker

| Aug 06, 2021

I like the fact that it actually works; UVB light causes it to turn purple. The part I don't like is the product's missed opportunity: the color intensity varies depending on how close you hold it to the light, implying that there is a gradient. What the industry requires (and what I hoped this would accomplish) is a measurement or estimate of the UVB strength. Like I said, it has to be possible; the color change is clearly gradient, but they blew it. br>Because the alternative is paying hundreds of dollars for a meter, I'd pay top dollar for a piece of plastic that gave me a rough estimate of UVB output. That should be the case with this product, but it isn't.

Timothy Garza

| Feb 18, 2021

When these first arrived, I borrowed a UVB meter from a friend in order to test them. I compared three bulbs, two of which were used and one of which was new. The oldest bulb had no effect on the card, the other used bulb had a minor effect on the sun's opacity, and the new bulb had the most noticeable effect. The UVB meter confirmed those findings, with the first bulb emitting no UVB at all, the second emitting weaker amounts of UVB, and the new bulb emitting a high amount of UVB. I would still advise anyone using a UVB bulb for hours each day for their animal(s) to date them so they can be changed every six months, but these cards will tell you if no UVB is being emitted and, to a degree, how much UVB is being emitted. The images show the difference between a new bulb and one that has been in use for several months on the card.

Marley Glenn

| Jun 25, 2021

Although the cards change color when exposed to UV light, there is no way of knowing whether it is detecting UVA or UVB. For example, they turn purple when they are near a window, because glass does not allow UVB light to pass through.

Aila Reynolds

| Aug 25, 2021

I needed a way to ensure that I didn't end up with a light bulb that looked odd. It changed color when I exposed it to UVC light. It wasn't a drastic change in color, but it was noticeable enough that I believe it demonstrates that I was exposed to real light. Although I don't believe it was intended for UVC, it did work when exposed to light. When I took it away, it went back to normal.

Layne Short

| Aug 20, 2021