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VerifiedUV™ 365nM Ultra Violet LED Strip Reel 5m

5.0 / 5
SKU: LED-2835-UV365-5M

195.00 152.10

You save 22.0%

195.00

verifiedUV™ 365nM UV high output Led Strip 5 meters
  • Extremely high output 365nM UV illumination designed by printmakers for printmakers. 

  • When configured in a squared grid, produces an irradiance of over 890 µW/cm² at 4-6 inches* (about twice that of high output UV fluorescent tubes). 

  • Can be configured in wider spacing between strips without light patterning for reduced costs but increased exposure time.

  • 8mm wide by 5000mm length (5 meters)

  • 3 newest 2nd generation 2835 LEDs per inch.

  • Can be cut to new lengths every inch.

  • Requires 12volts 14 watts per meter (4.75 watts per foot).

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Exposure systems can be made using a wide variety of UV illumination lamps including metal halide, fluorescent tube, but LED offers some of the most far reaching benefits of any material. Besides being less expensive to operate, they come to full illumination upon starting, have an extremely long life, are highly efficient, and when properly configured can produce more UV intensity than other types of lamps.

An increasing demand for shorter exposures has had a direct effect on the demand for more stable and precise light systems. The verifiedUV™ 365nM LED light strip can be configured with greater flexibility than lower standard light strips. They can be placed both closer together or further apart. The higher density of luminaries offering both versatility as well as intensity. 

verifiedUV™ is the latest generation of 2835 sized luminaries with a life expectancy of 50,000 hours, and one of the highest efficiency UV emitters of any UV LED. It has an efficiency that is from 3-5x that of fluorescent UV blacklights. verifiedUV™ has a luminous efficacy of 0.39 visible lumens per watt meaning that it is producing 0.61 watts of UV per watt of electricity. This is remarkable considering some of the most expensive 2835 UV luminaries being sold today have a luminous efficacy nearly 20% less efficient at 0.47 visible lumens per watt. You will spend less with verifiedUV™ and get better efficiency and greater UV illumination. 

Designed by Jon Cone and exclusively manufactured for InkjetMall. The verifiedUV™ high output 365nM UV strip is highest standards in terms of build and we believe the highest output product available. Using the latest generation of 2835 UV LED and configured 3 per inch.


*The irradiance has been verified using Ian Leake's latest LC+3 integrator to measure over 890 µW/cm² at a height of 4-6 inches above the target when placed in a squared grid. As a comparator using the same device, Cone Editions Press’ NuArc FT32V3UP 240v 30amp 3000 watt 32" exposure unit produces just over 1000 µW/cm² measured at the target. Typically, high output fluorescent boxes produce in the 300-500 range.

The spread of the LEDs is 120 degrees and therefore it is possible to space them 8mm away from one another or 16mm away from one another, etc. The exposure times increase while the intensity striking the media decreases as the strips are placed further apart from one another. 

The real benefit of this strip is running them adjacent to one another and taking advantage of super short exposure times. We also have easy to use strip connectors that fit the 8mm strip. The closest distance to align one strip to another and still be able to use the strop connectors is 3mm spacing between the two. This results in the shortest possible exposure time.

For examples consider the following as there are no light patterning issues at an exposure height of 4 inches:

  1. Strips aligned 3mm apart results in an exposure of 7 minutes for a platinum print.

  2. Strips aligned 11mm apart results in an exposure of 14 minutes for a platinum print.

  3. Strips aligned 22mm apart results in an exposure of 21 minutes for a platinum print.

  4. Strips aligned 33mm apart results in an exposure of 28 minutes for a platinum print.


At 14 watts 12v input per meter, these strip lamps will produce heat. We recommend as a best practice to peel the strip from the adhesive back and apply these directly to an aluminum sheet (1/8" is more than adequate) to transfer the heat from the strip to the back of the plate. If your exposure head is large, then a cooling fan for longer exposures may be recommended.

Further, we recommend that you wire these strips in rows in "parallel" rather than in series. Our strip connectors use teeth and can be separated into two sides, one each with a neg and a pos lead. These should be connected to terminal blocks. The blocks should be connected to the transformer. Always use the 80% rule with transformers. A 5 meter reel will use 70 watts of power, and the transformer should not be powered more than 80% of its rating. Therefore a 100 watt transformer should be used. If you use 10 reels (50 meters) the wattage increases to 700 watts and a transformer of at least 875 watts should be used.

Wiring in parallel prevents voltage drop. Likewise, using heavier gauge wire from the transformer to the terminal blocks prevents voltage drop. By example, the Cone Editions Press exposure head uses 150 rows totaling 171 meters requiring 2,400 watts and utilizes three 1,000 watt transformers. Each 1,000 watt transformer powers 50 rows. The 50 rows positive + (red) leads all terminate into 50 terminal blocks which are interconnected. Likewise, the 50 rows of negative - (black) leads all terminate into 50 terminal blocks which are interconnected. The positive terminal blocks are connected to the 1,000 watt transformer via 16AWG wire, and the negative terminal blocks are connected with a 16AWG wire. In this manner, voltage drop is negligible.

Although connecting strip to strip in series seems easier and more logical, by doing so instead of in parallel with one another, the first strip voltage will be considerably higher then the last strip's voltage and results will be uneven luminosity from the first to the last strip.


What's Included:

You get one reel, 5 meters in length, with a dual wire connector at one end.

Compatibility:

These strip reels require 12v. They require 14 watts 12v per meter.

Attributes:
Product Type Accessory or Historical Process
Brand DigitalPrintmaking.com
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