What is the lux rating?
1862854
If you find out, please post. I tried chatting with someone at Philips instead of calling and he only pointed me to this quote at http://www.sadlightshop.com/lighttherapy/philips-golite-blu/ "Bluewave: Advanced blue LED technology Philips HF3330 Golite BLU provides the specific spectrum of light our bodies respond to. Advanced diffusion optics and less intense than 10,000-lux white light provide a soft, even light while the wider treatment field for flexibility. " Not official Philips info nor can I figure out whether it's &lt;=&gt; 10,000 LUX based on the wording. I'll give them a call next week when I can but it sounds to me as if they deliberately have left out this information for a reason, perhaps to avoid being classified as a medical device (?). I really don't know but it is suspicious and I want to be assured the time and money I invest in this treatment is worth it and not just a placebo effect.
264896
So how much LUX (watts/sqm) does it emit and what wavelength do the UV C have? thank you
291767
I'm not sure about the lumen output rating, but our backyard is over 200 feet deep and 80 feet wide and this light fixture is brighter than any other light we've had!!
1368409
They should be in the package with it. If you don't have them, go on line to lux and look up your model number
2156787
Not well. I'd say the signal to noise ratio in 20 lux or less approaches 30db.
1142269
Sorry i am unsure of its rating however I can say for the price it does a good job of cutting the glare during the day . Also its lightweight and relaxes the eyes when driving for long hours. Hope this helps.
1919198
Hi Yunping-An accurate measurement would be lumens per square meter which is an industry standard. A Philips 500W reflector pool bulb designed for 120-130V operation is rated at 5000 lumens. Our PoolBright202 has various light outputs, from 1075 lumens to 11850 lumens, depending upon which color is displayed. W=11850; Y=10700; G=8600; AQ=8600; V=3550; R=2150; B=1075.
741498
12" is the distance to get the 10,000 LUX light level and you can increase the distance, but you would need to also increase the time of exposure. The drop off in intensity at 24" would be to about 2,500 LUX. This is the lowest level clinically tested and for comparable response most would need two hours of exposure at this level. However, keep in mind that your individual response may be different and you may need more of less time. It may take a few days to 2 weeks to find the right balance of time and distance to gain the benefits. CET.org is a great resource for information and they have free self-assessment tools to determine the best time in the day to use the lamp based on your own schedule. CFL bulbs lose intensity as they age, so the LUX level will diminish as the lamp is used and therefore you may not be getting the expected LUX level. Two years for replacement of the bulbs is a general rule, but will vary based on usage. If in two years, the lamp is still providing the same benefit in the same time, then there would be no need to replace the bulbs.
1635957
The lamp measures about 8 fc (90 lux) on axis at 3 ft and falls to about 50% (4 fc) 30 degrees off axis so it is a fairly narrow central beam although not a spot light. It is a poorly defined beam pattern so there is still significant flux beyond 45 degrees off axis. Color temperature appears to be ~5500K (daylight) although I did not measure it. These are DLRs (Daylight Running Lights) and not intended to be used for driving illumination.
1654288
I don't know of a CRI rating on these bulbs. They are however 5500K bulbs. The beauty of using daylight bulbs like this is that if you have sun shining in the room or bright windows, they will match the color temperature of these bulbs. I set my GH3 at a manual white balance setting of 5500K and the skin tones turn out beautiful. Check my video shot of my granddaughter with these ePhoto lights: https://www.youtube.com/watch?v=BpmFWVgZwAI&list=UU1Eyv6C0jdk3kR6j4iOnjnA
2281378
I don't know the hour rating, they last at least as long as the $5.00 bulbs that I bought previously.
474318
Ralph,A picture is worth a thousand words... a thread or link sometimes even more:http://www.flashlightreviews.com/reviews/gerber_infinityultra.htmThis link from CandlepowerForums contains a thorough review as well as comparative evaluation, including a discussion of throw in Lux versus output in Lumens via another forum link.The short answer is about 22 Lux at beam center, about 30 Lumens output.This is not a "blindingly" bright defense light, but a long-battery-life, strong, adequately bright light for night-time walks in city or trail.
481405
if it is the newer one with the Cree XM-L2 and not the XM-L U2 then the rating will be 2900 lumens. the opposite is true about the 2600 lumen rating. as of right now, the most likely one is the older, 2600 lumen model.
421208
both comments below are wrong, the lumens would be 95,000. given the info from the ushio website you can do the math {95,000(lux)x0.0122(hps[source])=1,159(par)}. the website says 1,150 par so you can do the math backwards to figure out the lumens. this can be done for mh bulbs too by substituting the source to (0.0141). regardless this is a badass bulb that pumps out 7,000 more lumens than the standard hps bulb! hope this helps!
1954193
Hello, the VT01 is a compact lamp with an output of 2,500 lux of natural spectrum light. The VT10 HappyLight Liberty Lamp 5K has an output of up to 5,000 LUX of natural spectrum light in a compact design. The higher output means that session times can be shorter and the lamp can be a bit farther away and still be effective. The next step up in light output would be the HappyLight Liberty 10K (B0094HBU6I), which has a light output of up to 10,000 LUX of natural spectrum light. Have a bright day, Verilux Customer Service
1790322
1500 lux equals approximately 690 lumens at a half meter distance at 90 degrees light incidence...look up a lux to lumens conversion to get a sense of it since it's a function of distance and incident angle...i.e. this lamp is a fine desk lamp for all but the most meticulous of tasks...diff temps n intensities...I like it.
1860315
I can't explain how to measure the light and how it works in this small place, you can google it. The value reading on this measure is LUX, you don't need to use any conversions, you can read Lux value directly on the screen, but I have to tell you that the value is not accurate compare to the good one. Mine have problem after 1st week using it.