My book tells me:
1 lumen = 7.958e-2 spherical candle power
1 lumen/sq.ft = 1 foot-candle
1 lumen/sq.ft = 10.76 lumen/sq.meter
1 lux = 9.29e-2 foot candles.
It almost appears to me that the specifications dictate different illumination levels at different places of the platform. This can have...
I do not recall rating from the top of my head. But Harris is a line I have used without a problem. Victor is another one. They both have extensive web sites with all kinds of info, maybe you could find out there.
All of the above suggestions will work. If you do not need the result 'really' accurate, maybe all it takes is to know the flow and pressure that you need to do what you are doing.
Hp= (GPM x psi)/1714.
There are some ifs and buts that you need to watch for, though (backpressure, flow over the...