How many LUX
- Thread starter kirbby9
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Using lux, when it comes to plants, is problematic because it is tied to lumen:
Your plants don't have human eyeballs, lol. Some of the wavelengths that get the most "weighting" - because they appear brighter to our eyes, when gross amounts are equal - are practically useless to plants.
It's also not really useful to compare two different products (be they two HPS bulbs that are produced by different manufacturers and, therefore, don't have quite the same spectral output... or two different brands - or even models, if their ratios of wavelengths are not exactly the same), since a relatively minor change might cause the second device to give rather different results when both are checked with a lux meter.
For more (and, perhaps, better worded) information on the subject, do a web search for "lumens are for humans" - there was an article published with that title, and it has been reposted several times on different websites/forums.
Aside from that, how many actual watts is your lighting device using? It should appear on its product ad, the box, and the paperwork/manual. There will (probably) also be a sticker or imprint somewhere on the device stating its operating voltage and amperage draw at that voltage, which will give the wattage (it's a simple calculation).
And how many COBs/etc. is it using to produce the light, and what is the physical size of the device? Also, are they all "open," or do they have lenses and, if so, are they 90°, 120°, or...? And if you can post a picture of the device, that would be helpful, too.
Wikipedia said:
Your plants don't have human eyeballs, lol. Some of the wavelengths that get the most "weighting" - because they appear brighter to our eyes, when gross amounts are equal - are practically useless to plants.
It's also not really useful to compare two different products (be they two HPS bulbs that are produced by different manufacturers and, therefore, don't have quite the same spectral output... or two different brands - or even models, if their ratios of wavelengths are not exactly the same), since a relatively minor change might cause the second device to give rather different results when both are checked with a lux meter.
For more (and, perhaps, better worded) information on the subject, do a web search for "lumens are for humans" - there was an article published with that title, and it has been reposted several times on different websites/forums.
Aside from that, how many actual watts is your lighting device using? It should appear on its product ad, the box, and the paperwork/manual. There will (probably) also be a sticker or imprint somewhere on the device stating its operating voltage and amperage draw at that voltage, which will give the wattage (it's a simple calculation).
And how many COBs/etc. is it using to produce the light, and what is the physical size of the device? Also, are they all "open," or do they have lenses and, if so, are they 90°, 120°, or...? And if you can post a picture of the device, that would be helpful, too.
I use lux myself but convert it to ppfd
So if my plants get around 20000 lux which is good for early veg in my experience they are getting around 200 ppfd ish don’t have my converter chart . So o see 30000 lux I assume around 300 ppfd.
So if my plants get around 20000 lux which is good for early veg in my experience they are getting around 200 ppfd ish don’t have my converter chart . So o see 30000 lux I assume around 300 ppfd.
<SIGH>
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kirbby9
420 Member
The manufacture says
Features:
- Model No.: X6
- Case Color: White
- LED (Qty): 6pcs * 300W
- Wall draw Power: 300W
- Input Voltage: 85Vac~265VAC
- Wavelength: Full Spectrum 380nm~800nm
- Frequency: 50Hz/60Hz
- COB Led Brand: by Epistar LED
- Flux Lm: 19740lm
- Lifetime: 50000hrs
- Package Wight:3.70KG
- Product Size: 400*210*60mm
- Package Size: 480*260*120mm
The color LED is just there to add more blue to the mix but is not the main light.(costco $40. light.)
Features:
- Model No.: X6
- Case Color: White
- LED (Qty): 6pcs * 300W
- Wall draw Power: 300W
- Input Voltage: 85Vac~265VAC
- Wavelength: Full Spectrum 380nm~800nm
- Frequency: 50Hz/60Hz
- COB Led Brand: by Epistar LED
- Flux Lm: 19740lm
- Lifetime: 50000hrs
- Package Wight:3.70KG
- Product Size: 400*210*60mm
- Package Size: 480*260*120mm
The color LED is just there to add more blue to the mix but is not the main light.(costco $40. light.)
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