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You are here: Home / News / Orphek LED revolution DIF100

May 19, 2012

Orphek LED revolution DIF100

Orphek LED revolution DIF 100
This is Part two in a series of articles and this article will focus on the development of the DIF 100 series and further improvements that were made in chronological order.

Orphek DIF 100 XP LED
Orphek DIF 100 XP LED

March 29 2011 – DIF 100

Orphek engineers wanted to design and build a pendant that would allow hobbyists with deep tanks to take advantage of the energy savings of LEDs while providing an excellent PUR range while providing a high PAR level necessary for these systems. 

 

DIF100 and DIF 100 B+UV
DIF100 and DIF 100 B+UV

 

Tank with Orphek DIF100
Tank with Orphek DIF100

The DIF 100 was designed so that different lenses could be used depending on the user’s application.  Four different lenses are available in the following degrees; 45, 60, 90, and 120.

The 45 degree lens allows users to penetrate deeper tanks with the needed PAR level while the 120 degree lens offers more coverage for shallow aquariums such as coral display tanks.  And, all this is accomplished without the need of a cooling fan by using a revolutionary extruded aluminum heat sink.

Orphek’s one piece aluminum heat sink
Orphek’s one piece aluminum heat sink

The heat sink used in all DIF series pendants is fabricated by extrusion.  This process involves heating the aluminum bar stock and pulling it through a die to form the heat sink.  In general, heat sinks that are fabricated from a solid piece of metal will outperform heat sinks where the fins are bonded to the base with a bonding agent.  With this method, thermal transfer is inhibited by the bonding agent itself.  Die casting is another method of forming heat sinks but has one drawback.  As the molten metal cools in the die, it inherently expands creating voids in the structure. The porous interior weakens the structure, inhibits thermal performance, and is difficult to machine.  Orphek chose to use the more expensive method of extrusion and incorporates extruded aluminum heat sinks for all DIF series Pendants.  This method greatly increases the life span of the LEDs and electronics by efficiently dissipating more heat, and without the need of a noisy cooling fan.

 

A heat dissipation of the electronics box, is a die cast aluminum cover (below) is used to protect the driver, and to seal the entire electronics section of the pendant.

orphek die cast aluminum

 

April 2012 – DIF 100XP

 

Orphek’s engineers decided to improve the DIF 100’s performance by adding a new multichip which now include red and UV LEDs.

new orphek dif 100 XP LED
new orphek dif 100 XP LED

The new multichip LED is made up of:

60 – 18Kwhite
10 – 450nm blue
10 – 430nm actinic
10 – 410nm UV
6 – 590nm orange
4 – 660nm red

 

Power Supplies

            Model                          Dimming                 Power Supplies
DIF100 , DIF100 XP            NO                   Mean well CLG-150-36A
DIF100 , DIF100 XP            YES                 Mean well HLG-120H-36B
DIF50   , DIF50 XP              NO                    Mean well LPF-60-36
DIF50   , DIF50 XP             YES                   Mean well LPF-60D-36

This improvement boosted the spectral response in the PUR range which includes chlorophyll A and B. This offers better color, florescence, and improved growth of corals. To further improve the efficiency of the already efficient DIF 100, a new industrial quality driver was used. The driver is manufactured by Mean Well and features a constant current driver with EMI filtering and auto over current shut off. The voltage and current are regulated to within +/- 0.5 percent and the driver carries a two year warranty.

 

Reef Aquarium Photos with DIF100 :

Reef Aquarium with no corals 9000G

Tanks Size: 5m X 2,5m X 2,5m  = 16.4′ X 8.2′ X 8.2 H

3x DIF100 18K 90 Degree

2x DIF 100 18K 60 Degree

Total 500W

Reef Aquarium with no corals 9000 G
Reef Aquarium with no corals 9000 G
Reef Aquarium with no corals 9000 G
Reef Aquarium with no corals 9000 G

Reef aquarium Mix corals

2x DIF 100 18K 90 D

Total 200W

reef tank mix corals with 2x DIF100 18K
reef tank mix corals with 2x DIF100 18K

 

Orphek DIF series units installed by Wet Work LLC of New Orleans, Louisiana

over a 42? deep, 479-gallon reef system replacing 1600 watts of metal halide.

2x  Orphek DIF 100 18k with 90 degree lens

2x  Orphek DIF 100 25k  with 90 degree lens

2x Orphek DIF 30  blue with 120 degree lens

Total 460W LED  VS 1600 W MH

42? deep, 479-gallon reef system replacing 1600 watts of metal halide.
42? deep, 479-gallon reef system replacing 1600 watts of metal halide.

 

Reef aquarium SPS corals

Tanks Size: 2mx1m = 6.5’x3.2′

3x DIF 100 XP 90 D

Total 300W

SPS tank  with orphek dif 100 XP LED
SPS tank with orphek dif 100 XP LED
SPS Corals Under Orphek DIF 100 XP
SPS Corals Under Orphek DIF 100 XP

 

500 corals under DIF 100 XP
500 corals under DIF 100 XP

Related links:

ORPHEK DIF 50 XP LED PENDANT review

Orphek Drops a Pendant LED Bomb: DIF 100/50 XP

Orphek DIF XP Series Gets Refined Before Final Release

Orphek DIF30 Refugium Monster

Photos 500 corals – DIF 100 XP corals.no

Aquatic Exhibits International Dual 3,500gal

 

 

 

 

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