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Unread 04/07/2009, 02:58 PM   #532
The Grim Reefer
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Join Date: Sep 2003
Location: Kingman Az
Posts: 25,259
UVL Testing results

It came out about like I figured. The internal reflected lamps do slightly better than the non reflected lamp and get spanked when you add reflectors to the lamps. If you have a fixture with a flat reflector it will benefit from using the internally reflected lamps.



UVL Lamp test

Lamps fired in a Fauna Marin Ultra Solaris fixture with cooling duct on left side. Flat gloss black metal surface behind lamps.

ATI Blue Plus with about 2 months use on it.

UVL lamps burned in for about 100 hours. R designates internal reflector.

All lamps ran over 4 hours before readings

Readings at the lamp with sensor about 1 ½” from lamp

L (5” from left endcap –label end of lamp
C taken at center of lamp
R taken at right side of lamp 5” from endcap.

Blue Plus L 460 C 473 R 517

454-R L 597 C 500 R 468

454 L 383 C 398 R 396

Aquasun-R L 825 C 721 R 641

Aquasun L 456 C 561 R 493

75/25-R L 750 C 625 R 599

Didn’t take at lamp readings for the 75/25

Reflector readings taken with the sensor in air 17 ¾ inches below the lamp

ATI Blue Plus

No Reflector 13
Aquactinics 48
Ice Cap 46

UVL 454-R

No reflector 15
Aquactinics 27
Ice Cap 24


UVL 454

No Reflector 12
Aquactinics 38
Ice Cap 37

UVL Aquasun-R

No Reflector 19
Aquactinics 43

UVL Aquasun

No reflector 13
Aquactinics 47

UVL 75/25-R

No Reflector 17
Aquactinics 33

UVL 75/25

No reflector 13
Aquactinics 39


As far as the look of the 454 I can't see a difference between it and a Blue Plus.


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