
True Irradiance (Important to be at least 10-20 mW/cm^2 - Ideally 20-40mW/cm^2 ).
Here at Spectra Red Light we hold ourselves to the highest possible standards of truth and transparency. We are the first red light therapy company selling whole body light beds to have TRUE 3rd party tested irradiance/intensity! We also have an in house NIST (National Institute of Standards and Technology) calibrated spectroradiometer and we test each bed before we ship them to certify both irradiance and wavelengths (and provide a test report to our clients). It is not a marketing gimmick to be honest in advertising, in fact it is the bare minimum to conduct a legal and ethical business.
Several whole body light beds are listing Irradiance Values over 100 mW/cm^2, and one company lists even 160mW/cm^2! The highest True Irradiance values we have seen for a whole red light bed are close to 60 mW/cm^2 and that particular bed had 17 mW/cm^2 of the total coming from green which is much less proven. So effectively 40-45 mW/cm^2 are the highest readings you'll see on a bed, typically they range from 20-35 mW/cm^2.
Here at Spectra Red Light we hold ourselves to the highest possible standards of truth and transparency. We are the first red light therapy company selling whole body light beds to have TRUE 3rd party tested irradiance/intensity! We also have an in house NIST (National Institute of Standards and Technology) calibrated spectroradiometer and we test each bed before we ship them to certify both irradiance and wavelengths (and provide a test report to our clients). It is not a marketing gimmick to be honest in advertising, in fact it is the bare minimum to conduct a legal and ethical business.
Several whole body light beds are listing Irradiance Values over 100 mW/cm^2, and one company lists even 160mW/cm^2! The highest True Irradiance values we have seen for a whole red light bed are close to 60 mW/cm^2 and that particular bed had 17 mW/cm^2 of the total coming from green which is much less proven. So effectively 40-45 mW/cm^2 are the highest readings you'll see on a bed, typically they range from 20-35 mW/cm^2.
Two examples from two leading red light bed manufacturers sharing False Irradiance Readings:
Example 1: This company shown here is THE WORST offender of sharing deceptive and misleading information online. They actually list their top unit at 160 mW/cm^2!! In reality testing similar beds it is less than 40 mW/cm^2 which is an an error of 400% or more! This kind of deception is INEXCUSABLE!
Readings like this are absolutely BOGUS readings taken with a solar powered meter or an uncalibrated meter of some sort that is not meant for measuring LED irradiance. And THIS particular company is sadly a 'leader' in the industry based on sales, and they base a BIG PART of their marketing around having the strongest irradiance and therefore needing shorter session times, which places like spa find attractive because you can treat more people in day. But this is all based on a LIE!
Example 1: This company shown here is THE WORST offender of sharing deceptive and misleading information online. They actually list their top unit at 160 mW/cm^2!! In reality testing similar beds it is less than 40 mW/cm^2 which is an an error of 400% or more! This kind of deception is INEXCUSABLE!
Readings like this are absolutely BOGUS readings taken with a solar powered meter or an uncalibrated meter of some sort that is not meant for measuring LED irradiance. And THIS particular company is sadly a 'leader' in the industry based on sales, and they base a BIG PART of their marketing around having the strongest irradiance and therefore needing shorter session times, which places like spa find attractive because you can treat more people in day. But this is all based on a LIE!

Example 2:
This other leading red light bed company (in sales anyway) lists 100mW/cm^2. The dead giveaway this is absolutely a FALSE reading is they boast that you can use a STANDARD OUTLET! Most higher powered devices require an electrician to come to your house to install a 20 or 25 amp breaker because you need MORE POWER to have a more powerful LED BED!
They "claim" they are energy efficient, but no amount of efficiency will be able to use a standard power outlet to create 100mW/cm^2 ... IMPOSSIBLE. Very likely this bed is around 30-35 mW/cm^2 at BEST! So that would be a 300% error in their Irradiance listing. And they too like example one base a big part of their marketing around having the strongest irradiance of any bed in the industry. But this is a LIE!
This other leading red light bed company (in sales anyway) lists 100mW/cm^2. The dead giveaway this is absolutely a FALSE reading is they boast that you can use a STANDARD OUTLET! Most higher powered devices require an electrician to come to your house to install a 20 or 25 amp breaker because you need MORE POWER to have a more powerful LED BED!
They "claim" they are energy efficient, but no amount of efficiency will be able to use a standard power outlet to create 100mW/cm^2 ... IMPOSSIBLE. Very likely this bed is around 30-35 mW/cm^2 at BEST! So that would be a 300% error in their Irradiance listing. And they too like example one base a big part of their marketing around having the strongest irradiance of any bed in the industry. But this is a LIE!

The BIGGEST SCAM in the red light bed industry!
Solar Power Meters and False Intensity Claims: (claiming over 100 mW/cm^2)
Solar power meters are not calibrated properly for red light therapy wavelengths and the sensitivity of the photodiode leads to dramatically higher readings than reality. Plus you need a meter for what is called a near field measurement, because you want to measure the an irradiance that is CLOSE to the source. If you are lying on a red light bed, your body is CLOSE to the source which are the LED arrays. If you are lying in the sun, the source is 93 million miles away! You see the problem here? Many or possibly most Red light companies are using solar powered meters are not is ANY WAY calibrated for near field measurements!
Solar meters are Solar meters are broad-spectrum devices for far field measurements designed to measure sunlight (a far field measurement), hence the name “Solar Power Meter.” Yet, despite this fact, many authors and even manufacturers as I just mentioned use these cheap devices to measure the narrow bandwidth light radiation from RLT. It is easy to tell if bogus values are reported as anything OVER 100 mW/cm^2 is virtually impossible with a whole body light bed. So if a company is reporting Irradiance for a full body light bed over 50mW/cm^2 and especially 100mW/cm^2 they are LYING!
Also worth noting is how many photobiomodulation studies use Solar Power Meters or cheap meters of ANY KIND!? ZERO! No self-respecting scientist or "expert" would use one of them. It is a quick litmus test to tell who the fake "experts" are out there. Many brands will give you a laundry-list of clever excuses why they use Solar Power Meters.
What started out as ignorance, is now a scam and cover-up. So, if you even suspect any lies from a brand that claims >100mW/cm^2, ask them... No DEMAND from them irradiance measurements from ONLY one of these two test methods:
Solar Power Meters and False Intensity Claims: (claiming over 100 mW/cm^2)
Solar power meters are not calibrated properly for red light therapy wavelengths and the sensitivity of the photodiode leads to dramatically higher readings than reality. Plus you need a meter for what is called a near field measurement, because you want to measure the an irradiance that is CLOSE to the source. If you are lying on a red light bed, your body is CLOSE to the source which are the LED arrays. If you are lying in the sun, the source is 93 million miles away! You see the problem here? Many or possibly most Red light companies are using solar powered meters are not is ANY WAY calibrated for near field measurements!
Solar meters are Solar meters are broad-spectrum devices for far field measurements designed to measure sunlight (a far field measurement), hence the name “Solar Power Meter.” Yet, despite this fact, many authors and even manufacturers as I just mentioned use these cheap devices to measure the narrow bandwidth light radiation from RLT. It is easy to tell if bogus values are reported as anything OVER 100 mW/cm^2 is virtually impossible with a whole body light bed. So if a company is reporting Irradiance for a full body light bed over 50mW/cm^2 and especially 100mW/cm^2 they are LYING!
Also worth noting is how many photobiomodulation studies use Solar Power Meters or cheap meters of ANY KIND!? ZERO! No self-respecting scientist or "expert" would use one of them. It is a quick litmus test to tell who the fake "experts" are out there. Many brands will give you a laundry-list of clever excuses why they use Solar Power Meters.
What started out as ignorance, is now a scam and cover-up. So, if you even suspect any lies from a brand that claims >100mW/cm^2, ask them... No DEMAND from them irradiance measurements from ONLY one of these two test methods:

Method 1) Use a Lab Grade Spectroradiometer (sometimes called a Spectral Irradiance Meter). A spectroradiometer is a light measurement tool that is able to measure both the wavelength and amplitude of the light emitted from a light source. LEDs used in red light therapy are near field light sources that have a narrow bandwidth (almost always within 6 inches even for panels).
Furthermore you want to make sure the spectroradiometer is CALIBRATED properly and certified by respected agencies like the National Institute of Standards and Technology (NIST) standards.
Finally the radiospectrometer has to include all the wavelengths you want to measure, so you'll want to look for one with a range from 600nm - 1100nm ideally.
An example of a spectroradiometer that meets all these criteria is the Spectis 5.0 is a lab grade optical spectrometer, which has incredible reliability and accuracy. The Spectis 5.0 is calibrated with the use of reference standards which are traceable to National laboratories and confirmed by the globally recognized factory calibration. They guarantee their calibration and accuracy! But it is around $20,000 and requires some diligence to be properly trained on using it. I mention the Spectis 5.0, because this particular radiospectrometer is used by the only two companies (Novothor and Spectra Red Light) using a properly calibrated device! No other red light bed manufacturer shows True Irradiance Readings with a Lab Grade and properly certified and calibrated. And Spectra Red light can send you an actual report PROVING True Irradiance on YOUR exact unit you purchased (likely Novothor can do this too). This is one of ONLY two ways to guarantee you are getting the irradiance that is promised! The other way is proof from an Accredited Third Party Lab like LightLab.
Below is the data sheet for the Spectis 5.0 and also a short video (queued up) seeing the Spectis in Action at Novothor Manufacturing:
Furthermore you want to make sure the spectroradiometer is CALIBRATED properly and certified by respected agencies like the National Institute of Standards and Technology (NIST) standards.
Finally the radiospectrometer has to include all the wavelengths you want to measure, so you'll want to look for one with a range from 600nm - 1100nm ideally.
An example of a spectroradiometer that meets all these criteria is the Spectis 5.0 is a lab grade optical spectrometer, which has incredible reliability and accuracy. The Spectis 5.0 is calibrated with the use of reference standards which are traceable to National laboratories and confirmed by the globally recognized factory calibration. They guarantee their calibration and accuracy! But it is around $20,000 and requires some diligence to be properly trained on using it. I mention the Spectis 5.0, because this particular radiospectrometer is used by the only two companies (Novothor and Spectra Red Light) using a properly calibrated device! No other red light bed manufacturer shows True Irradiance Readings with a Lab Grade and properly certified and calibrated. And Spectra Red light can send you an actual report PROVING True Irradiance on YOUR exact unit you purchased (likely Novothor can do this too). This is one of ONLY two ways to guarantee you are getting the irradiance that is promised! The other way is proof from an Accredited Third Party Lab like LightLab.
Below is the data sheet for the Spectis 5.0 and also a short video (queued up) seeing the Spectis in Action at Novothor Manufacturing:
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Industry Leader Novothor Using The Spectis 5.0
Spectra Red Light Does As Well! Why don't other red light beds Lab Grade Equipment to measure Irradiance?? |

en-tech-datasheet-gl-spectis-5.0-touch.pdf | |
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Method 2) Use an Accredited Third Party Lab Like LightLab
The next best thing is have a 3rd part lab test like from Light Lab International to test your Bed. This type of Lab result is THE most definitive because it is done ACCURATELY and UNBIASED by a THIRD PARTY. The only downside here is the company will only test a one or a couple units on hand, not every single one that is shipped.
So the benefit of doing BOTH is that you have an unbiased reading from a third party AND with a calibrated device like a Spectis you also have the ability to accurately test each unit and provide a report to the customer. So EACH bed can be certified to have the irradiance claimed!
The only companies I could confirm had independent or accurate testing was Novothor, Joov, Mitored, and Spectra Red Light. Spectra Red Light is setting the standards by DOING BOTH and offering detailed reports on EACH Individual Bed before it is shipped!
NOTE: For Accurate Dosage on a full body light bed with two sides it is best to take the average of a zero inch reading and a 6 inch reading. Why? Because when you lay on your back you are right on the surface, but the top panel is roughly 6 inches away.
NOTE #2: Almost equally as fallacious is trying to use listed Wattage or Power ratings to calculate Irradiance. One popular red light therapy author uses this method which can also be wildly inaccurate.
The ONLY way to get accurate Irradiance readings is getting near field measurements from a certified calibrated spectroradiometer!
The next best thing is have a 3rd part lab test like from Light Lab International to test your Bed. This type of Lab result is THE most definitive because it is done ACCURATELY and UNBIASED by a THIRD PARTY. The only downside here is the company will only test a one or a couple units on hand, not every single one that is shipped.
So the benefit of doing BOTH is that you have an unbiased reading from a third party AND with a calibrated device like a Spectis you also have the ability to accurately test each unit and provide a report to the customer. So EACH bed can be certified to have the irradiance claimed!
The only companies I could confirm had independent or accurate testing was Novothor, Joov, Mitored, and Spectra Red Light. Spectra Red Light is setting the standards by DOING BOTH and offering detailed reports on EACH Individual Bed before it is shipped!
NOTE: For Accurate Dosage on a full body light bed with two sides it is best to take the average of a zero inch reading and a 6 inch reading. Why? Because when you lay on your back you are right on the surface, but the top panel is roughly 6 inches away.
NOTE #2: Almost equally as fallacious is trying to use listed Wattage or Power ratings to calculate Irradiance. One popular red light therapy author uses this method which can also be wildly inaccurate.
The ONLY way to get accurate Irradiance readings is getting near field measurements from a certified calibrated spectroradiometer!
Part 2: False Dosage and False Session Times (The Second Biggest Scam in the Red Light Industry).
False Irradiance leads to False Dosage leads to FALSE Therapy Times!
The second part to this widespread scam of reporting wildly inaccurate irradiance readings, is that companies that do so boast you can get the same dosage in much less time. Several companies selling read light beds use false irradiance values as a marketing gimmick to claim you need much less time to get the ideal dosage. Which is great, who wouldn't want to get the same benefits in half the time?
Here is shown one of the worst offenders (you can probably figure it out if you are researching these beds). Part of their sales pitch is you only need 10 minutes to get a dose of 48 J/cm^2. If this were true it would be wonderful if you had a clinic or wellness center (or simply a business schedule), because you would not need as much time.
However, because there irradiance readings are 400% off, so is their DOSAGE NUMBERS!
False Irradiance leads to False Dosage leads to FALSE Therapy Times!
The second part to this widespread scam of reporting wildly inaccurate irradiance readings, is that companies that do so boast you can get the same dosage in much less time. Several companies selling read light beds use false irradiance values as a marketing gimmick to claim you need much less time to get the ideal dosage. Which is great, who wouldn't want to get the same benefits in half the time?
Here is shown one of the worst offenders (you can probably figure it out if you are researching these beds). Part of their sales pitch is you only need 10 minutes to get a dose of 48 J/cm^2. If this were true it would be wonderful if you had a clinic or wellness center (or simply a business schedule), because you would not need as much time.
However, because there irradiance readings are 400% off, so is their DOSAGE NUMBERS!
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