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Short Wavelength Light for Fluorescent Rocks

I need to purchase a short wavelength light for fluorescent rocks. Wanting to make sure the proper LED strip and to know if other accessories/connectors are required. (I am aware that 12V DC power supply is required.)

Based on the details provided, we would indeed recommend the referenced 365nm realUV™ LED Strip Lights for your installation, which are able to produce the greatest fluorescent effect upon targets. 

​In the hopes that it proves to be helpful, we have attached a few LayoutMap diagrams below which illustrate the most common installations of the realUV™ LED Strip Lights. These pages also include links to the most commonly used connectors and accessories. 

LayoutMaps™ - LED Strip Light Layout 7021_4B

LayoutMaps™ - LED Strip Light Layout 7021_4C

​As a further note, please be aware that the polycarbonate materials used on the diffusion panels of our Aluminum Channels will naturally block the transmission of ultraviolet light. This is also true for the polycarbonate covers used on most diffusers. As such, we would likely recommend using an alternate bandpass filter or omitting the diffusion covers entirely. 

Do you have a recommendation between the two for replicating sunlight for high-end photography?

I am a fine art photographer who uses sunlight for all photos. I am looking for a potential studio replacement. I purchased the 7001.50 today but did not see the 7001.65. Do you have a recommendation between the two for replicating sunlight for high-end photography?

Both the 5000K (D50) and 6500K (D65) do a great job of replicating natural light. Specifically, 5000K would be a close match to noon sunlight, while 6500K would be closer to noon daylight.

If using the "sunlight" white balance setting, the 5000K would likely appear to be a true white light source and would also match natural sunlight. On the other hand, if the camera's setting is set to overcast, the 6500K would likely be a better fit.

Below is an article comparing the two color points which you may find helpful:

I think the D50 would make more sense because I try and use direct sunlight. However, in the CRI chart, the lower number for the R9 red channel has my attention. Is the lower R9 channel make a difference to what a camera sensor or analog film "sees"?

We believe we have also located the R9 differences in the photometric reports - We are seeing 97 vs 91 for the D65 vs D50, respectively. 

​Our analysis shows that R9 is a very "fickle" number that tends to exaggerate differences. As our article discusses, even the best residential light bulbs will typically have an R9 rating of 50, whereas standard 80 CRI office lighting may even have a negative R9 rating.

As such, we wouldn't worry too much about the 97 vs 91 difference, especially as these are individual tests on sample units that are susceptible to minor measurement discrepancies.

How can I get a power supply connection compatible with the WAGO female jacks on the strips?

We would recommend using PN 7092 for the easiest connection between the power supply unit and the WAGO terminal blocks. Below is a direct link to the product:

How can I get flexible cables with the WAGO pins.?

The WAGO pins (PN 7090) can only be used for end-to-end daisy chain connections. If a non-linear connection must be made, we would recommend utilizing low-voltage cable (similar to that used for PN 7092, above) to assemble them. Unfortunately, we do not offer a direct solution or product, however, virtually all low-voltage wires with an AWG rating between 18 and 24 should work well. (These wires are commonly marketed as "low voltage speaker wires" at hardware and electronics stores).

We do have an instruction guide for module assembly, which includes photos and further information, which we believe you may find helpful:

LED Strip Lighting for (4) 7ft Shelves

I have (4) 7ft shelves. The customer is wanting Filmgrade 5 in 1 LED strip lights. I see they come in 16ft lengths Im assuming I can cut these? He also wants a FilmGrade flicker-free led dimmer. Do I need a dimmer for each run? Can the FilmGrade DC power supply for the LED strip power all (4) shelves? He also wants (2) PN3075 and (2) PN3077 is that all I would need as far as connections go? 

For starters, we are happy to confirm that the FiveSpect LED Strip Lights can indeed be segmented, as it has designated cut points every 2 inches (50mm). 

Secondly, it might be helpful to know that the FiveSpect is designed to be paired with a controller such as the FilmGrade™ DMX LED Dimmer & Decoder with 5 Channel Output (or other third-party decoder product) rather than the FilmGrade Dimmer to dim and control the output of the individual color channels, as can be seen in the below illustration. Alternatively, when utilizing a power supply and single-channel dimmer, the individual colors would not be independently adjustable. 

We can also confirm that PN3075 and PN3077 are the right accessories for connecting the individual LED light strip segments together, though we would also recommend utilizing the Female DC Barrel Jack to Pigtail Wire Cable (PN7092) for the connection to the power supply. 

​We have also attached a link to the user guide for the DMX Dimmer and Decoder below, in the hopes that it proves to be useful for your installation planning. 

Specification Sheet and User Manual:

If we purchase (1) DMX LED Dimmer & Decoder with 5 Channel Output and (1) Power supply 3092H will this be everything we need for four separate runs of strip lights?

For your installation, we might additionally recommend utilizing a third-party controller for the purpose of controlling the DMX Dimmer & Decoder. Though the DMX Dimmer and Decoder have on-device button controls, many customers prefer to utilize a supplemental third-party product for remote control, automation, or computer control. 

As one 16.4 ft (5 meters) reel of the 12V FiveSpect LED Strip Lights has a minimum recommended power supply capacity of 5.0A/60W, two reels would require a minimum of 10.0A/120W. As the minimum power draw of two reels would easily exceed the 120W output of the 12V power supply depending on the number of active channels, we recommend using a higher capacity power supply than our FilmGrade™ DC Power Supply for LED Strip. 

​It might also be helpful for your calculations to know that the 24V FiveSpect has a different minimum recommended power supply capacity of 2.5A/60W per reel, and the 24V DC power supply has 5A/96W available output. 

Can I use cat5 or cat6 to go from PN3075 to DMX dimmer/decoder?

We can confirm that PN3075 is designed to connect the FiveSpect to the individual channel connection points (as noted in the below photograph), where the ethernet ports are designed for DMX512 RJ45 signal input rather than channel output. 

Generally speaking, the RJ45 signal input is a communications protocol utilized for networked control of stage lighting through connected cat5 or cat6 ethernet cables. In short, the DMX Dimmer and Decoder uses these ethernet ports to receive commands, rather than to control the output sent to the LED strip lights.

If I put the DMX dimmer/decoder and the power supply above the drop tile can I use a piece of cat5 to splice onto the end of the PN3075 and terminate the other end of the cat5 into the DMX dimmer/decoder?

Based on my review of the details provided, it does seem possible that the ethernet cable could be spliced to bridge the expanse between PN3075 and the DMX dimmer and decoder product.

The only consideration we can imagine would be ensuring that the wiring of the cat5 ethernet cord is of a sufficient gauge. We would assume that the ethernet product packaging or listing page would list the gauge of wiring utilized within the cable. For reference, we generally recommend 16 AWG wiring for LED strip light installations, for the purposes of limiting voltage drop. 

Do the T5 LED Linear Light Fixtures include bulbs and magnetic mounts?

I just placed a large order and then noticed the NorthLux™ 95 CRI T5 LED Linear Light Fixture 4026.2F.50 I had a few questions. 

Does the fixture include the bulb? 

We can confirm that the linear light fixture contains the bulb pre-installed.

For the magnetic mounts, I see they have screws but do these need to be screwed into something to hold the magnets to hold the bulb? 

The magnetic clips are designed to easily attach to the underside of the light fixture, and should not require any screws or additional mounting accessories. These clips are included within the product packaging.

LED Linear Lighting for Bright Reading

I am 99 and my wife is 89. Our eyesight is not like it was. I find that task lighting is not good. We have a high ceiling den with a soft and decorative light string. Thinking linear LED in the soffit to project on the tray ceiling would provide good defused bright reading. 

If you could determine what color temperature you were interested in for your installation, we would be more than happy to provide a few product recommendations.

If a guide for color temperatures proves to be useful, we have provided a link to a blog post from our website below.

Which LED Light Color Temperature Should I Choose?:

For more information on getting started with the LED Strip Lights products, I have attached a second blog post from our website below.

LED Strip Lights: Everything you need to know before you buy:

Do you have an Emission Spectra Data of LEDs

Do you have data on the wavelengths your LEDs emit? I am interested in something that emits a little bit of UV as well as visible light, ideally with varying intensity.

We do provide the spectral data on our LEDs which can be found on the Photometrics page, found below:

​We unfortunately do not have any products that simultaneously emit UV and visible light.

​For such applications, we would recommend using our UV LED products in conjunction with our standard white LED products. 

My application is in research and I am trying to get diffused, full-spectrum lighting in a small chamber (a paint bucket) to study varying fluorescence in biological samples. This also has to work in conditions with a lot of water, so I need to figure out a mobile power supply and computer controls if possible.

I will probably need around 4 strips in total. Is it possible to do a call where we can discuss setting up a power supply and perhaps which strips work best for this application? The most important part is consistent light output and ideally some control over intensity.

Our LED strip lights should be a great option for your needs. We do offer several options, including our ABSOLUTES SERIES in calibrated 5000K/6500K color options as well as our realUV LED strip lights which can provide the 365 / 395 nm wavelengths for the fluorescence effects you are looking for.

You also mentioned that you are after the ability to vary the intensity, and this is also something that can be accomplished via our flicker-free LED dimmer:

Below are some installation diagrams that you might find useful:

Over what wavelength range does the light output for the 365nm LED?

I'm a little confused by the spectrum test report for the 365nm LEDs. Over what wavelength range does the light output?

Our 365 nm UV LEDs have a peak wavelength value of 365 nm. The FWHM is approximately +/-10 nm, which indicates that there is a significant amount of UV output between 355 and 375 nm.​The "TYPICAL EMISSION SPECTRUM" charts are shown on our product specifications page below.

Do you have a bigger vision of the typical emission spectrum?

Also, I have seen FWHM listed sometimes as a number, rather than as a ±. For example, we have a light filter with an FWHM of 16nm. Is that equivalent to ±8nm?

Unfortunately, the LED strip lights are flexible only in an up/down direction and cannot be curved to create turns to the left or right as shown in your diagram. The closest alternative would be to use our solderless connectors to create U-turns at the end of each LED strip section.

Using the solderless connectors, can we place the side of the strip by side? Or is there a thermal limitation for how closely the strips can be placed?

While the LED strips do warm up a bit during operation, their proximity to each other should not have any significant effect on their longevity or reliability.

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