Measuring PAR of a MH and LED setup?

neuro · 07/13/2014, 09:24 PM

I've got a MH and a Led actinics setup.

Would it best be to measure the MH and LED separately, and then add them together? Like this?:

PAR(MH) + (PAR(LED)*1.25) = Total PAR at measured point

stancfii · 07/14/2014, 08:18 AM

Separately would give you a better idea of what's going on.

neuro · 07/14/2014, 10:14 AM

Quote:

Originally Posted by stancfii

Separately would give you a better idea of what's going on.

thanks stan,

does anyone know if PAR values can be added?

stancfii · 07/14/2014, 12:20 PM

Yes, you can add the valued together and get the same results as if you measured them together. People often do this with different channels of LED.

neuro · 07/14/2014, 01:08 PM

thanks stan!

07/13/2014, 09:24 PM	#1
neuro the cat did it Join Date: Jul 2004 Location: bay area Posts: 976	Measuring PAR of a MH and LED setup? I've got a MH and a Led actinics setup. Would it best be to measure the MH and LED separately, and then add them together? Like this?: PAR(MH) + (PAR(LED)*1.25) = Total PAR at measured point

07/14/2014, 08:18 AM	#2
stancfii Registered Member Join Date: Jan 2005 Location: Birmingham, AL Posts: 583	Separately would give you a better idea of what's going on. __________________ 180g SPS -3 x 250w Radiums, 2 x VHO actinic, DIY RB LED strip, and a EuroReef skimmer modded with a DC pump.

07/14/2014, 12:20 PM	#4
stancfii Registered Member Join Date: Jan 2005 Location: Birmingham, AL Posts: 583	Yes, you can add the valued together and get the same results as if you measured them together. People often do this with different channels of LED. __________________ 180g SPS -3 x 250w Radiums, 2 x VHO actinic, DIY RB LED strip, and a EuroReef skimmer modded with a DC pump.

07/14/2014, 01:08 PM	#5
neuro the cat did it Join Date: Jul 2004 Location: bay area Posts: 976	thanks stan!