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Do your UV-C LED lights sufficient to treat a tank full of water?

I have reviewed some of your website and knowledge base responses which seems to suggest that we could use some of your products to treat 1500-gallon plastic water tanks that store drinking water. This is generally very pure water and this is just an additional safety measure to stop unexpected bacteria or living pathogens from developing in already purified water. My question is if your lamps are sufficient to treat a tank full of water using one of your UV Dash C flood lights. Alternatively, we could put your UV strips inside PVC pipe as the water passes through but we are unsure if that is sufficient exposure time. One concern we have is whether the UV will cause degradation of the plastic water tanks or pipes. This would be for several tanks so we are interested in giving it good thought before we purchase. 

While we can confirm that ultraviolet light is known to affect plastic materials, we have not performed internal testing to measure the effects of exposure over time. 

Additionally, while we offer a floodlight product with UV-A output, this product is currently not available with UV-C output, and I do apologize for any impact this might have on your purchasing process. 

Further, please note that our UV-C LED strip lights are not IP rated for exposure to moisture or the elements, as any contact they have with water may cause a hazard and void the warranty. 

We have found that ultraviolet wavelengths are blocked by the polycarbonate material often found in insulated channels, though quartz glass is known to be able to allow for ultraviolet transmission. 

If an insulated quartz glass channel was able to be procured, it might prove to be the best option for the installation. 

LED Strip Light for Self Contained Electronic Air Cleaner

We would like to add LED germicidal lights to our self-contained electronic air cleaner.

Based on the details provided, we would likely recommend utilizing our cleanUV™ UV-C LED Strip Light for your installation. 

Though we have not performed internal tests regarding the pairing of this product with an air cleaner, we have provided a few informative pages regarding the product below, which we hope prove to be helpful for your installation planning. 

An Introduction to UV-C LED Lighting for Germicidal, Sterilization, and Disinfection Applications

How to Determine UV-C Irradiance Requirements for Disinfection Applications

What is your recommendation of the length to use in our application?

The length to be utilized (16” vs 24”) will likely be determined by the ideal amount of UV-C output required for each fan installation. For reference, it might be helpful to know that the cleanUV™ UV-C LED Strip Light has a UV output of 130-140 mW per 39.4” (1 meter) reel. 

For more information regarding the measured output of the UV-C product, please reference the product page for technical details. 

cleanUV LED Strip Disinfecting Lights

I have a patent pending invention, and I need help with lights for installation that will kill bacteria SARS covid etc. And the nanometers needed. 

We are happy to confirm that we sell the cleanUV™ UV-C LED Strip Light, which has a 270-nanometer output of UVC radiation. I have provided links to the photometric report, irradiance pattern, and exposure dosage pattern for the product below, in the event that they prove to be useful for your purchase and installation planning.

Photometric Report

Irradiance Pattern

Exposure Dosage Pattern

Do you have a Waterproof UV-A LED Lights for Water Tank Placement?

I want to put a UV light or lights in my 15-gallon freshwater holding tank to kill bacteria. Do you have any waterproof lights? Would these be able to be mounted to the top of the tank - either with adhesive or screws?

Unfortunately, our LED strip lights are not IP-rated against contact with moisture or condensation. As such, any contact with liquid may cause an electrical hazard and void the product warranty.

However, we have heard from other customers that waterproof plastic channels are useful for installations that are near aquarium tanks, which may prove to be useful for your purposes. 

That said, it might be helpful to know that many channel coverings may filter out the UV-C wavelength, thereby negating any benefit. Due to this fact, we do recommend investigating specific UV-C coverings that would allow for ultraviolet wavelength transmission.

Further, we are not aware of how easy these products are to mount and there may be differences between the third-party options available.

UV-C LED Strip Lights for Disinfection

We are medical equipment manufacturers. We are using UV-C lamps for disinfection. Can we replace classical lamps with your LED strips? 

Our UV-C LED strip lights feature 270 nm wavelength output, which is an effective wavelength for many germicidal applications. While we do not have any specific guidance or technical documentation on integrating the product into any existing systems, our various data, and reports may help provide additional information and guidance in this process.

For example, please see below for the irradiance pattern charts:

https://www.waveformlighting.com/datasheets/BP_7026.pdf

realUV LED Lights for Activating Antimicrobial Glass

I have come across the realUV product range while researching producers of LED lighting. I am looking for solutions for activating the coating when natural daylight UV is unavailable. The realUV series appears to be a good fit, emitting strongly in the 360 nm range. 

Our 365 nm UV LED products sound like a great fit for the application!

​We do have several form factors, such as our 20-watt flood light, as well as the LED strip lights, which could work for your needs.

Can the LED light be directionally controlled?

The LEDs have an inherent 120-degree beam angle; as such, they can be somewhat "directed" toward a target but their orientation cannot be dynamically controlled.

What is the smallest form factor that can be used?

The smallest form factor would be our LED strip lights. I've included the product datasheet below for your reference, with a dimensional diagram included.

https://www.waveformlighting.com/datasheets/CS_7021.pdf

Have the products been safety certified for use when people are present?

The products have not been safety certified. We would recommend taking additional precautions if the lights will be used extensively and/or near people. UV-blocking glasses may also be a beneficial addition for safety purposes.

Do you have known values for UV irradiance at a set distances from the light (i.e. value of mW / cm2 at 50 cm, 1 m, 2m, etc)

Please see below:

https://www.waveformlighting.com/photometrics/BP_7021.pdf

What we would like to do is find LED solutions for the concept described in the attached PDF. Can the LEDs be housed/contained, such that the light is directed onto the face of the glass, and not towards customers or employees on either side?

Unfortunately, I do not believe the geometry would allow for irradiating the surface of the material effectively without having the lamps shining perpendicularly from one side or the other. The only thing I can think of would be to implement an edge-lit solution with the UV LED strip lights, but we do not have any data or experience for this type of application and we would need to have the testing and validation performed on your end.

Another thought I have is that if the barrier itself contains UV-blocking properties (as do most residential and commercial windows), I would imagine that the LED lamps could be directed at the barrier without the harmful UV rays passing through, thereby preventing any harm to people on the other side.

UV-C LED Lighting for a Package Disinfection Application

I’m looking for UVC light strips for an application which is a box that holds packages. The box is 22"x14"x15" and the smallest package will be 5”x5”x2”. The box has a lid at the top. Assumed exposure time can be 10 min. I’d like to know the following:

-Do you have any recommendations regarding the amount and layout of LE D strips recommended for this application? I’m only looking for a rough estimate. We will do our own validation for this.

-Do you have the irradiance pattern on your website in excel so we could manipulate it for our specific application?

-I want to confirm you do not require a LED regulator board (i.e. the LED strips can be directly connected to a regulated power supply)

-Is any heatsinking of the LED strips required?

Based on the dimensions of the box, it appears that the farthest distance from the box side surface to the disinfection surface will be 10 inches (5"x5"x2" box placed in the center of the box, 22 inches wide).

As such, I would imagine that the 10-inch distance would be a good starting point for referencing the exposure dosage values, which are shown below (unfortunately only available in PDF format):

https://www.waveformlighting.com/datasheets/BP_7026_EXPOSURE.pdf

The exposure dosage at 10 inches and 5 minutes of exposure time show 61.5 J/m². Extrapolating to 10 minutes would provide 123 J/m². While different pathogens have different levels of susceptibility, we believe that this would be a good starting point in terms of being "in the ballpark" for sufficient exposure.

​Our ability to provide extensive support in the design and layout is somewhat limited, but I would imagine that having the UV-C LED strip lights on each side of the box (5 total?) would be necessary as some "shadowing" could otherwise occur.

The LED strip lights are constant voltage 12-volt DC devices that do not require any special controllers. Even a simple 12-volt DC battery would be sufficient to operate it.

No heatsinking is required.

UV-C LED Strip Lights for Water Purification

Can the ultraviolet LED strip be used to treat water? I have a use case for a 300-gallon tank on a circulation pump, and I am looking for inexpensive ways to treat the water. Are your strips waterproof? Or would they need to be isolated in an outer clear tube with the water running through an inner clear tube? 

Our UV-C LED strips are designed for sterilization applications, but unfortunately we do not have any data or application support for liquid disinfection at this time.

​Furthermore, the UV-C LED strip lights are not waterproof and would need to be enclosed in a waterproof casing that simultaneously protects the components from moisture and water exposure, while allowing for the 275 nm UV-C radiation to pass through unobstructed.

Can you produce a UV-C LED Strip product in a lower-density configuration?

I am curious if you can produce the strip in a low-density version as compared to your standard product.

Unfortunately, we do not offer the UV-C LED strip product in a lower-density configuration. If you can let us know what you would be looking to achieve by lowering the density of the emitters, we'd be glad to see if can suggest an alternate solution.

I am designing sanitizing equipment and have tested your UVC emitters to see how well they work. In addition, I am trying to lower the cost as the LEDs are the most expensive item in the Bill of materials. I was looking at your other LED strips and saw they came in a low-density configuration. I would ideally like to have a spacing of the UVC emitters about 3” apart. Is it possible to get what I’m looking for to test? 

Unfortunately, our LED strip production runs are typically done on the order of thousands of feet, so unless this is a high-volume application, a custom LED strip layout is unlikely to be feasible.

The LED strip lights can be cut in single-LED increments, so if you do have the ability to cut and rejoin them in longer intervals, that could be another workaround solution. We offer solderless connectors as well, which may help in reducing assembly labor costs and time. Please see below:

Air Disinfection Efficacy of UVC LED Light

I would like to know, if I installed a UVC light in my furnace return air chamber, how effective could it be?

Unfortunately we do not have any data on air disinfection efficacy for our products at this time. Our data is currently limited to surface disinfection, and additional information can be found below:

https://www.waveformlighting.com/uv-c-led/how-to-determine-uv-c-irradiance-requirements-for-disinfection-applications

UVC LED Strip Light Technical and Specification Details

Please provide a technical details of the UVC LED light strip. Also, a comparison study of UVC LED Vs UVC Tubes, if made available would be very helpful.

Please see below for the product specification sheet for our UV-C LED strip lights and let us know if you have any further questions.

https://www.waveformlighting.com/datasheets/CS_7026.pdf

​Unfortunately we do not have any comparison studies at this time. Sorry!

We would need a timer switch attached to the subject light. We just install the light in the cabinet, plug and play. The exposure range will be 1 to 100 minutes. Is this something that you could help us with?

If the proto type is successful, there will be scope for multiple units, as we have plans to provide UVC disinfection units enterprise wide.

Unfortunately, we do not provide any direct solutions for a timer feature. If you're looking for something simple and plug + play, you may want to consider something as basic as a wall-plug timer such as the one linked to below:

cleanUV UV-C LED Flex Strips for Aquaculture Applications

Interested to hear about the applications of the UVC LED strips. We are an aquaculture research unit - both marine and freshwater with multiple UV sterilizers in every room for in and outgoing water. Do you have any installations in similar water treatment - aquaculture or potable water sterilization?

While we would love to provide additional assistance, unfortunately, we do not have any data or additional metrics on water sterilization at this time.

Our data is unfortunately limited to surface sterilization applications, for which additional literature can be found here:

https://www.waveformlighting.com/datasheets/BP_7026_EXPOSURE.pdf

clean UV LED for Air Disinfection Application

I would like to install a UV-C light system in my home HVAC. Can you give me guidance on how to do this with the Clean UV LED product? How can I know if the dose is enough to disinfect the air, relative to the size of the duct and the airflow CFM? 

Unfortunately our UV-C products are not designed for air disinfection applications​, and all of our data and product specifications are based on surface decontamination. 

For further information on how this can be calculated, please reference our articles below:

https://www.waveformlighting.com/uv-c-led/how-to-determine-uv-c-irradiance-requirements-for-disinfection-applications

cleanUV™ Ultraviolet LED for Food Container Interior Sterilization

Your info on cleanUV™ Ultraviolet LED Technology mentions that "Additional form factors are in development and will be released soon." I am interested in a form factor that could be used to sterilize the interior of food containers.

We are indeed working on a few MCPCB form factors that are 6 x 6 inches as well as 2 x 12 inches. We do not have an ETA at this point, but do hope to have this available in the near future.

Unfortunately, we don't have any application-specific advice or recommendations that may apply to the food container sterilization application.

What is the effective distance of the cleanUV™ LED light?

How far does the cleanUV™ UV-C LED light reach? Can it be used for air disinfection or just surface disinfection?

The effective distance of the cleanUV™ LED strip light depends on many factors, such as the exposure time, target pathogen, as well as the level of disinfection needed. As such, we are not able to provide a direct answer to this question.

Most of our customers use our UV-C LED strip lights for surface disinfection as the require dosage levels for air disinfection tend to be much higher.

Please see below for our exposure charts which show various levels of dosages, depending on the distance and angle.​

https://www.waveformlighting.com/datasheets/BP_7025_EXPOSURE.pdf

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