BSOD LED build

[BluScrnOdeth]

at the sandbed which is about 23" from water surface

you take the voltage reading off the Apogee sensor and multiply it by 4 correct and thats the par?

 

[TheFishMan65]

Depends on the sensor there should be a label on it that says. Mine is 5. I don't remember 4 as being one of the numbers so I would look for the label.

 

[BluScrnOdeth]

oh, i just read that online. But i do now see on the little white lable on the wire it says mult: 5.0 SQ-110 9632 1-feb-2011 So should i be multiplying it by 5?

 

[BluScrnOdeth]

took another reading, under a couple of the units and they were both .054v so that would be 270PAR with the whites run at 700mA and the blues running close to 600mA. I think that i'll be turning them up a little more because i want no less than 300PAR

 

[addonnis242]

So that's 270 at the sand bed or at the surface?

 

[BluScrnOdeth]

At the sandbed. 600 at the water surface

 

[BluScrnOdeth]

Its been a while since i been on here with my business i'm starting, LED lights still running really well without any CC circuitry and have plans on installing some control knobs for color/brightness control. Hyst havent made it to buy the POTs yet, been really busy. But i figured i would just give you all an update on how they are doing. If you want to see how well my tank looks, take a look at my plywood build, i'll be posting a youtube video of it soon.

I made my own thermal epoxy to secure the LEDs to the heatsinks. 2:1 epoxy (2ton) to Arctic Silver, or close to that. LEDs dont get any warmer than the heatsink and the heatsink is warm to the touch without fans and they are running at 700-720mA last i remember.

 

[JMcAz7]

Really nice build man. Where did you source your PSU? That's basically the perfect size for what I'm looking for.

 

[BluScrnOdeth]

got the PSu from Circuit Specialists online