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BadGrandpa007's latest activity
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BadGrandpa007
replied to the thread
Cheap LUX meter to calculate PAR and DLI
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in our country every school has these co2 meters and they try to keep ppm's under 800, brain is not working full capacity over these...
Mar 18, 2024
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BadGrandpa007
reacted to
Rennpappe's post
in the thread
Cheap LUX meter to calculate PAR and DLI
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Nonsense. It may differ from person to person but out of experience I can tell you that 1500 ppm is no problem at all. I had...
Mar 18, 2024
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BadGrandpa007
replied to the thread
Cheap LUX meter to calculate PAR and DLI
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yes overnight in that room im sleeping it gets even to 2K +.. you cant imagine how small the rooms are :D when i have visitors it gets...
Mar 18, 2024
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BadGrandpa007
reacted to
curious2garden's post
in the thread
Cheap LUX meter to calculate PAR and DLI
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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5380556/#:~:text=Concentrations%20of%20more%20than%2010,loss%20of%20consciousness%20in%20sec...
Mar 18, 2024
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BadGrandpa007
replied to the thread
Cheap LUX meter to calculate PAR and DLI
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the device cost 300usd - its a reliable device, one of the best on the market (Aranet4), i trust it! And yes, you cant imagine how bad...
Mar 18, 2024
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BadGrandpa007
replied to the thread
Cheap LUX meter to calculate PAR and DLI
.
it is, i have a pretty expensive co2 measurer, i asked a friend to give it to me, tested it in my house, the ventilation is bad there..
Mar 18, 2024
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BadGrandpa007
reacted to
curious2garden's post
in the thread
Cheap LUX meter to calculate PAR and DLI
with
Like
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Exactly we do not require accuracy as much as we require stability, ie that our device measures consistently and that it is consistent...
Mar 18, 2024
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BadGrandpa007
replied to the thread
Cheap LUX meter to calculate PAR and DLI
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Thanks a lot! i had this (Uni -T UT383 or the Bluetooth version) device in mind after stumbling up on this y-video.. but then in his...
Mar 18, 2024
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BadGrandpa007
reacted to
Delps8's post
in the thread
Cheap LUX meter to calculate PAR and DLI
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Attached is a document I wrote to help with the conversion. To convert your Mars SP 250, I'd go with the conversion factor of 0.015. I...
Mar 18, 2024
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BadGrandpa007
reacted to
Delps8's post
in the thread
Cheap LUX meter to calculate PAR and DLI
with
Like
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I traded email with the programmer (I've been a software engineer for > 30 years) and that topic came up. He said that Android had an...
Mar 18, 2024
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BadGrandpa007
replied to the thread
Cheap LUX meter to calculate PAR and DLI
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yeah i tried it on Android phone, it is not useful at all.. but for iphones it really kinda works, i watched many y-tube videos. lucky...
Mar 17, 2024
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BadGrandpa007
replied to the thread
Cheap LUX meter to calculate PAR and DLI
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yes , there is a plenty of co2 because the room is small, all rooms actually are small and im living in there. When i ventilate the...
Mar 17, 2024
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BadGrandpa007
replied to the thread
Cheap LUX meter to calculate PAR and DLI
.
it has a map, but it doesnt tell any story, the map , the radings are from one height and if i want to adjust or dim the LED, the...
Mar 17, 2024
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BadGrandpa007
replied to the thread
hi guys, i need some expertise!
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yeah i got it, its also kinda hard tevery time o grow different plants, they all need something different..i should choose one...
Mar 17, 2024
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BadGrandpa007
posted the thread
Cheap LUX meter to calculate PAR and DLI
in
LED and other Lighting
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Hi, i had the idea to buy a cheap LUX meter to calculate the aproximate DLI and PAR. I see people are doing that. Some guys alrady...
Mar 17, 2024
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