12 best uv meters

Product description

This instrument is designed to measure ultraviolet light in the range from 280 to 400 nanometers. The illumination range of the meter allows users to conduct the most precise quantitative measurements of ultraviolet radiation for radiometry and laboratory requirements, UV-curing in off-set printing, lamp UV intensity and aging, industrial process monitoring, semiconductor fabrication , sterilization and environmental monitoring.

GENERAL TOOLS - THE PRECISE TOOL FOR DOING THE JOB EXACTLY RIGHT. Offering over 1,000 tools, we’re proud to provide tradesmen, craftsmen and DIYers around the world with a broad range of affordable, specific-purpose mechanical hand tools and precision measuring and inspection tools.

For inquiries, please contact our Customer Service Department at 212-431-6100. We strive to provide our customers with 100% satisfaction.

WORK SMARTER, MEASURE BETTER & BE MORE PRODUCTIVE WITH GENERAL TOOLS

GENERAL TOOLS - THE PRECISE TOOL FOR DOING THE JOB EXACTLY RIGHT. Offering over 1,000 tools, we’re proud to provide tradesmen, craftsmen and DIYers around the world with a broad range of affordable, specific-purpose mechanical hand tools and precision measuring and inspection tools.

For inquiries, please contact our Customer Service Department at 212-431-6100. We strive to provide our customers with 100% satisfaction.

WORK SMARTER, MEASURE BETTER & BE MORE PRODUCTIVE WITH GENERAL TOOLS

• Backlit LCD with four digit dual display with High and low measurements
• Range in a unit mW/cm2 or uW/cm2 and automatic measuring
• Low battery indicator
• Over range indication and zero adjust
• Includes Certificate of Traceable Calibration

User questions & answers

Question:	Can we use this equipment to mesure uv from led lightings
Answer:	Yes. Adults can use this.
Question:	Can I point this at a grease which has UV dye in the formulation and it will measure the amount fluorescing
Answer:	Would guess market driven pricing
Question:	Is the probe waterproof? I need to measure fluence in a water sample that has light beaming on it
Answer:	Hello and thank you for your question on the American Red Cross 10 Second Digital Thermometer. Yes, this will beep to let you know when the temperature has been taken.
Question:	Does meter come with calibration certificate
Answer:	Forehead reads lower than oral. I do not know why.

Product description

Solarmeter’s new Model 6.5R Reptile UV Index Meter updates our legendary original Model 6.5 UV Index Meter with attractive, informative graphics specifically designed for reptile husbandry. Many scientists and breeders worldwide rely on the original Model 6.5 UV Index Meter, so the new Model 6.5R is unchanged operationally or in terms of specifications from the original. We just made this meter easier for reptile owners to use by updating the graphics with the latest scientific research about proper UV dosages for reptiles. Specifically, the Ferguson Zone chart at the top of the meter provides the user with an instant, accurate reference for the meter’s UVI readout. To operate, press and hold push-button switch on face of unit. Aim sensor window in top panel of meter directly at UV source. Note reading on LCD and record if desired. Battery operation voltage is 9V down to 6.5V. Below 6.5V the LCD numbers will begin to dim, indicating the need for battery replacement. Under "typical" service load, the battery should last approximately 2 years.

• High Accuracy Measurement of Erythemally Effective UV Light Weighted to Match Vitamin-D Action Spectrum in Reptiles
• Ferguson Zone Chart on Front Panel for Easy Reference
• Measures 280nm to 400nm Erythemally Weighted
• Range from 0-199. 9 UV Index
• NIST Traceable Calibration Certificate Included
• Simple, One Hand Operation

User questions & answers

Question:	It is my understanding the uv wavelength is from uva (315-400 nm) uvb (280-315 nm) uvc (100-280 nm). so this should cover uva & uvb correct
Answer:	The Reed R8080 is a data-logging sound level meter.
Question:	Why has Amazon reduced availability for this item as it is an essential item for the health of reptiles. Without this the animal may suffer and die
Answer:	Selectable A/C weighting (When the weighting switch is set to A, the meter primarily measures frequencies in the 500 to 10000 Hz range, which is the area of greatest sensitivity to the human ear. When set to C weighting, themeter measures uniformly over the frequency range of 32 to 10000 Hz, giving an overall sound level indication.)
Question:	Can the battery be replaced or do I need to buy a whole new device
Answer:	Yes with a switch in the battery area
Question:	could this meter be used to measure UV emitted by artificial light sources
Answer:	It's accurate and so easy to use. I love it.

Product description

SunKnown UV light photometer calculates the sun’s UV Index using its internal sensor and algorithm, combining both solar UVA and UVB in a single measurement.

Be aware that this product:

Does NOT measure UV light from reptile lights.

Does NOT measure UV light in tanning beds.

Does NOT measure UV light emitted by fluorescent or LED lights.

Is NOT meant to match or replace the EPA UV index readings.

Is NOT meant to measure UV light other than UVA/UVB emitted by the sun.

Does NOT measure UVC.

SunKnown UV detector is designed for daily personal use to measure the strength of the sun's radiations relative to different hours of the day, or relative to different days at the same hour.

SunKnown detects solar UVA (320-400 nm) and solar UVB (290-320 nm). SunKnown UV light meter improves the quality of your life by measuring the strength of the sun’s UV rays on a given day so you can decide what protection you need to wear that day and how long it is safe to stay outdoor.

With this handheld ultraviolet light strength tester you can check the efficiency of sun protection provided by your sunglasses, car or window glasses, hats, clothing and window’s sunscreen or UV filters.

SunKnown solar light meter is easy to operate - Press the “UV Check” button to read the UV index (index ranging from 0 to 12+, in 0.5 steps) by pointing the UV light sensor toward the sun.

Main Features:

Measures UV index of radiation emitted by the sun (but not UVC). The UV index is shown in 0.5 increments from 0-12+.

Ergonomically designed to fit in your palm.

Easy to operate: Press the “UV Check” button to read the index by pointing the UV sensor directly toward the sun.

Battery included: two 1.5V button cells (L1154/ LR44/ AG13)

Dimension: L 3.8 x W 2.3 x D 0.8 inches

User questions & answers

Question:	How can I convert the number given by this device into minutes of safe sun exposure for me
Answer:	Do not believe this is specifically waterproof beside you really need a spectrometer like an ocean optics with the curveette holder and a light source
Question:	Does it show separate uva and uvb readings
Answer:	Usually, in a situation such as this, a company will have one device that has been calibrated at NIST, and they will compare all their other meters to this device. Hence, NIST traceable. I don’t know what level of accuracy they state, but I bet that even without a certificate, an accuracy of 3-5% range is achievable with a consistent manufacturing process. That is also why they can give you a response curve that works for this model. Whether this is good enough for your application is the determining factor to its acceptability.
Question:	How do you set the time
Answer:	The manufacturer (Reed Instruments) recommends that the meter be calibrated after any extended time without using it or if it is used in extreme conditions. It is recommended that you purchase the R8090 calibrator in addition to the sound level meter to perform the calibration. Even if you purchase the version that includes the calibration certificate you would still need to perform your own calibration regularly to achieve accurate results.
Question:	what is the Warranty on this thing
Answer:	Thank you for contacting us. Please note that this item is not calibrated. The calibrated p/n is R8050-NIST.

• Multi-analyte constituents provide fast chromatic analytical data for UV/UVC testing.
• Photochromic dosimeter strip uses an analyte sensitive to wide-band UV between 200-400nm UVA/UVB/UVC
• UV dosimeter color strip concentration is directly proportional to UV intensity (higher intensity equals darker color)
• UV dosimeter color concentrations are also directly proportional to UVA UVB and UVC wavelength (shorter wavelengths equals lighter color) at max value.
• UVC photo-luminescence detection technology displays temporary fluorescence between 200-270 nm when directly exposed to optimal germicidal UVC light waves.

User questions & answers

Question:	If the UVC bulb picks up band 200nms to 400 nms, is it correct to think that this dosimeter would not pick up a bulb emitting 180-185 nms
Answer:	This device uses a standard 9V battery which is easily replaceable by opening the tool free back panel.
Question:	So if my uvc light takes 5 minutes to show the word ultraviolet, it's intensity is around 20 times less than 300 uw/cm^
Answer:	Yes, but it measures only the UVB index. For example UVB index of terraristic lamp.
Question:	What is the difference between this card and 2nd gen quantadose uvc light test card
Answer:	Yes, I've measured led light UV output with this device.
Question:	My uvc lights do not show uvc on the quantadose card only the ultraviolet shows on the bottom are they phonys
Answer:	I'm not sure regarding the application you mention, but I have tested this device in dim light, and with CFL light bulbs that emit small amounts of UV, and it does register. With weak or moderate levels of daytime light, there is attenuation with distance from the source. So, it will detect weak levels of UV light if held a 3-4 cm away from the CFL bulb, but then 10 o 20 cm away, nothing. It has two scales, one in microwatts and the other in miniwatts. It will detect low-levels of UV light under a black umbrella on a dark rainy day. As for chemical sources of flourescence, I'm not sure.

Product features

Quantadose UVC Light Test Card with UVC Light Wavelength Indicator and Intensity Test

The QuantaDose dual wavelength multi-strip UVC test card measures UV intensity with a very specialized analyte for wide-band photochromic UV dosimetry combined with a narrow-band short-wave fluorescent indicator for testing optimal UVC germicidal wavelengths. QuantaDose provides you with real-time results for super fast verification/validation purposes to avoid an increasing number of fake and defective germicidal UVC light products on the market today.

QuantaDose UVC test cards are a basic, reliable, low cost, simple, in-house, and right out of your pocket method of monitoring UV intensity along with verifying that the optimal UVC germicidal light wavelengths are being used in your disinfection process without spending hundreds of dollars on fragile UV and UVC light meters.

Top and Bottom Light Sensor Test Wavelength of UV Exposure by QuantaDose

The letters UV-C glow brightly when measuring the correct UVGI wavelengths for a minimum calibrated reference point of 300 µW/cm² UVC intensity through simultaneous word legibility and letter visibility. The1st Edition dual-wavelength UVC test card measures UV intensity with a very specialized analyte for wide-band photochromic UV intensity dosage between 250-400 nm combined with a narrow-band short-wave fluorescent UVGI indicator for testing optimal UVC germicidal wavelengths.

Methods to Verify a UVC Product's Claims of Germicidal Wavelengths and Germicidal Intensity.

QuantaDose has created a specially formulated ink chemistry that is sensitive to only optimal germicidal UVC which will not fluoresce to visible light or UVA and UVB. This ensures only germicidal wavelengths between 250-270nm are shown in bright green.

Bottom Light Sensor Test Intensity of UV Exposure: When exposed to UVA, UVB & UVC wavelengths, the QuantaDose test card undergoes a gradual color change in seconds from clear to light purple, displaying the word "ULTRAVIOLET " at approximately 300 µW/cm² UVC where color is directly related to the energy value received. Temporary photochromic dosimeter color is used to check intensity after exposure and should be checked immediately after exposure for most accurate intensity results. Test is completed in 15 secs, remove card from source!

Product description

Solar meters are compact, handheld radiometers with simple pushbutton operation and NIST-traceable accuracy. They're proudly made in the USA. The Solar meter Model 6. 5 UV Index Meter provides instantaneous UV index measurement, and is also used for UV index comparison, monitoring reptile lamp intensity and aging, monitoring UV lamp intensity and aging, and UV index tracking over time. To operate your Solar meter, aim the sensor window located on the top panel of the meter directly at a UV source. Press and hold the push-button switch on the face of the meter and read the results in UV Index on the LCD screen. For best results take note of the distance the reading was taken from the UV source in order to ensure repeatable results. A 9V battery is included, along with a rugged carrying case and Calibration Certificate.

• High Accuracy Measurement of the UV Index
• Measures 280nm to 400nm Erythemally Weighted
• Range from 0-199. 9 UV Index
• NIST Traceable Calibration Certificate Included
• Simple, One Hand Operation

User questions & answers

Question:	I am trying to measure uv in my bedroom from full spectrum lights for my plani am trying to mts. is this good but easy to use? or something else? tks
Answer:	Hi To set the time, press "S" 6 times until the hour number blinks; press "M" to change the hour number. Press "S" again and the minutes number blinks; press "M" to change the minutes. Press "S" followed by "M" to save the new time. To change the alarm, press "S" 2 times and follow the steps above, then press "S" once to save the set alarm time. To change the month and day, press "S" 4 times, until the month number blinks; then press "M" to change the month; Press "S" again and the day number blinks; press "M" to change the day. Press "S" 3 times until you see the time again. To turn the alarm on or off, press "S" one time to see the set time for the alarm blinking; then press "M" to turn on or off the alarm. Press "S" 3 times until you see the the time again. I hope this helps. Regards
Question:	How does solarmeter model 6.5 uv index meter differentiate uvb from uva? if i want to test the two seperately? is there a better model for this
Answer:	Hi thank you for your inquiry. There is a 12-month warranty covering the electronics. Regards
Question:	If i’d like to test how well different umbrellas perform at the beach with blocking different types of uv, which model(s) should i get
Answer:	Yes combined.
Question:	What is the difference between 6.5 and 6.5R? Which one is better to use
Answer:	This is a one of a kind item that is in extremely high demand that often sells out frequently not only here on Amazon but also in reptile stores as well.

Product description

Solar meters are compact, handheld radiometers with simple pushbutton operation and NIST-traceable accuracy. They're proudly made in the USA. The Solar meter Model 8. 0 UVC Meter measures the UVC region from 246-262nm. Applications include monitoring germicidal lamp UVC intensity and aging , testing eyewear UV blocking capabilities, and testing germicidal lamp fixture leakage. To operate your Solar meter, aim the sensor window located on the top panel of the meter directly at a UV source. Press and hold the push-button switch on the face of the meter and read the results in µW/cm² on the LCD screen. For best results take note of the distance the reading was taken from the UV source in order to ensure repeatable results. A 9V battery is included, along with a rugged carrying case and Calibration Certificate.

User questions & answers

Question:	I just buy uvc led lamp if i use this solarmeter how can i know this lamp it real or fake
Answer:	Hello Mozart, The most important differences between the 1st and 2nd edition QuantaDose™ UVC test cards pertain to usage of high power UVC industrial-grade PPE disinfection equipment. 2nd Edition Differences: 1) More Resilient PVC prevents aging/tanning when using high power UVC 2) Higher card to analyte contrast for better visualization of WPV (Word Power Visibility) when the calibrated minimum intensity point of 300 µW/cm² is reached when under 85% 253.7 nm with most of the remaining light energy peaking at 315 nm. Commonly referred to as the mercury line because this is the spectrum from low-pressure mercury lamps commonly used in the most trustworthy UVGI disinfection processes around the world. 3) Added UVC/UVB Color Scale Differential because it is important anyone using photochromatic analytes to visualize UV/UVC intensity understands that shorter wavelengths like UVC 200-280nm don't penetrate the analyte used for UV intensity measurements as deeply as UVA or UVB which causes UVC to display a lighter color for a higher intensity wavelength. The lighter analyte color when testing UVC is precisely the reason for the inverted word ” ULTRAVIOLET” first becoming legible during exposure to optimal UVC germicidal wavelengths while the color concentration is still light at 300 µW/cm² yet the word ”ULTRAVIOLET” is clearly visible in both UVC test card editions. 4) Batch numbers are printed on all 2nd edition UVC test cards for unprecedented quality control over the reliability and accuracy of photochromic materials used in manufacturing QuantaDose™ UVC test cards. 5) Questions about how to test a UVC light? The purchase of a 2nd edition QuantaDose™ gives you easy access to our world-class toll-free technical support line which is printed on the back of the UVC test card so QuantaDose™ customers can consult directly to highly trained engineers in the USA to answer questions on the best ways to test different UVC devices and how to interpret UVC wavelength and intensity results. 1st and 2nd edition QuantaDose™ cards both perform the same for general UVC analysis. The added durability of this 2nd Edition was designed for higher power commercial use. 1st edition QuantaDose™ UVC test card customers also have access to our world-class toll-free technical support line available on our Amazon sellers account page. 1st edition QuantaDose™ cards also work for gauging the SUN’s UV intensity so you can take necessary precautions such as sunscreen or shade, different design considerations were used as we expect the purchase for testing a single consumer-grade UVC lighting product limited the use case of the specialized photochromic UV analyte. Besides the differences above, the professional 2nd edition design provides clear instructions on the two-step UVC testing process on the front of the card. The 1st edition provides a design for multiple uses for UVC light testing and/or use it for a UVA/UVB sun index card for maximum usefulness for end consumers in non-commercial UVC environments. Blessings, Interim CEO Katie Webb Quanta X Technology LLC Toll-Free Support: See Sellers Page
Question:	How can this be used safety to test UVC sanitation bulbs and lamps
Answer:	/Duration -:-Loaded: 0%Stream Type LIVESeek to live, currently playing liveLIVERemaining Time -0:00 Playback Rate1xChaptersChaptersDescriptionsdescriptions off, selectedCaptionscaptions off, selectedAudio TrackFullscreenThis is a modal window. .noScriptDisplayLongText { display : none; } .noScriptNotDisplayExpander { display : none; } .noScriptDisplayLongText { display : block; } First, let us make sure you aren’t assuming the UV-C indicator remains glowing after it is removed from the light source. The UVC indicator will only glow when exposed to direct UV-C light. Remember, you must always protect your eyes and skin from UV irradiation and follow the light manufacturers’ guidelines when o… see more First, let us make sure you aren’t assuming the UV-C indicator remains glowing after it is removed from the light source. The UVC indicator will only glow when exposed to direct UV-C light. Remember, you must always protect your eyes and skin from UV irradiation and follow the light manufacturers’ guidelines when operating the device for safe usage in close proximity to any UV source. As long as there is no misunderstanding of how step 1 works. The short answer, if these UVC lights were marketed to you as UVC germicidal lights, then YES, they are 100% phonies. All UVC wavelengths between 222 nm and 280 nm will cause a reaction that makes the letters UV-C glow, but it's way worse than a phony UVC light because, at this stage of the pandemic we are in today, as variants cause a lot of uncertainty! Nine months ago, QuantaDose was in full swing, and it was a wave of new companies entering into the UVC business trying to figure out how to measure UVC effectiveness that made up a large part of our call volume. This dynamic has changed dramatically. We now get calls from patients still laying in their hospital beds, recovering from weeks in the ICU, gratefully looking forward to going home in the coming days, unlike so many that walked through the same doors. However, their lives won't be the same; when these COVID survivors return to their communities, homes, and workplaces, they will not be taking their safety for granted anymore as they plan their decisive pandemic countermeasures while awaiting a doctor's discharge from their life-saving medical care. Let’s look at a QuantaDose card and show the different Step 1 results under several light conditions to put the UVC, mixing UV light and the absence of UV light into a wavelength that we can all see with our own eyes to spot any UV deception. I have several different wavelengths here, UVC bulbs and several UV/UVC LEDs, to mix with UVC to validate other wavelengths of light interference in Step 1 UV-C testing. Now we will take some video footage of the UV-C indicator to demonstrate how different indicator colors can provide useful data on the wavelengths of irradiation being emitted from a UV device. The video covers many of the color and wavelength possibilities encountered with step 1 UV-C indicator. Using 3 different UV meters, we validated the QuantaDose to indicate wavelength, intensity and calculate dose with distance over time. see less First, let us make sure you aren’t assuming the UV-C indicator remains glowing after it is removed from the light source. The UVC indicator will only glow when exposed to direct UV-C light. Remember, you must always protect your eyes and skin from UV irradiation and follow the light manufacturers’ guidelines when operating the device for safe usage in close proximity to any UV source. As long as there is no misunderstanding of how step 1 works. The short answer, if these UVC lights were marketed to you as UVC germicidal lights, then YES, they are 100% phonies. All UVC wavelengths between 222 nm and 280 nm will cause a reaction that makes the letters UV-C glow, but it's way worse than a phony UVC light because, at this stage of the pandemic we are in today, as variants cause a lot of uncertainty! Nine months ago, QuantaDose was in full swing, and it was a wave of new companies entering into the UVC business trying to figure out how to measure UVC effectiveness that made up a large part of our call volume. This dynamic has changed dramatically. We now get calls from patients still laying in their hospital beds, recovering from weeks in the ICU, gratefully looking forward to going home in the coming days, unlike so many that walked through the same doors. However, their lives won't be the same; when these COVID survivors return to their communities, homes, and workplaces, they will not be taking their safety for granted anymore as they plan their decisive pandemic countermeasures while awaiting a doctor's discharge from their life-saving medical care. Let’s look at a QuantaDose card and show the different Step 1 results under several light conditions to put the UVC, mixing UV light and the absence of UV light into a wavelength that we can all see with our own eyes to spot any UV deception. I have several different wavelengths here, UVC bulbs and several UV/UVC LEDs, to mix with UVC to validate other wavelengths of light interference in Step 1 UV-C testing. Now we will take some video footage of the UV-C indicator to demonstrate how different indicator colors can provide useful data on the wavelengths of irradiation being emitted from a UV device. The video covers many of the color and wavelength possibilities encountered with step 1 UV-C indicator. Using 3 different UV meters, we validated the QuantaDose to indicate wavelength, intensity and calculate dose with distance over time.
Question:	I have uvc led lamp how can measure with this solarmeter
Answer:	Hi Thank you for your inquiry. The instructions contain a guideline on what length of sun exposure you could afford and what type of protection you would require at the different UV index values. But our guidance is general and cannot be specific to you, because people are different and are affected differently by the same UV Index. Our guideline is not approved by FDA, EPA, or by doctors, and you would need to use your own judgement. You will create your own criteria once you start using the UV Detector daily. You will become familiar with the different UV Index values on different days and times of the day, and associate them with your experience of exposure on those days and times, so that the next time you measure the same UV Index you know how to behave. Your own criteria may coincide with our guidance or may differ. The point is that you are the best person to know what is good and bad for you and the UV Detector will help you predict how to prepare for your day ahead. I hope this helps Regards
Question:	Why does this measure only a small fraction of the uvc range from 246-262 nm, and not the full uvc range of 100-280 nm
Answer:	Hi Thank you for your question. This UV meter does not show uva and uva reading separately. It is used to measure the sun's UV radiation strength and translate it into an easy to use numerical index that allows you to decide to which extent you should protect your body from the sun radiation. Regards

Product description

The Extech UV505 pocket-sized UV light meter measures UV-AB light from Natural and artificial light sources used in outdoor activities and indoor medical testing, laboratory/research, industrial, education, electronics, and forensics/criminology applications. It offers a backlit display, cosine corrected sensor, two selectable ranges, Zero function, display hold, and auto power off. Includes a pouch to protect and store your meter.

• Sensor wavelength range 290 to 390Nm
• Ance from UV-AB light sources up to 40.00 mw/cm2
• Backlit LCD for easy viewing
• Zero function
• Data hold freezes current reading on display

User questions & answers

Question:	I'm looking for a meter than measures total UV like high levels over 10. Will this do that
Answer:	The “R” has a reptile on it and has the Ferguson Zones listed on the unit. Other than that they are exactly the same component and function wise.
Question:	Looking for a meter to measure effectiveness of protection provided by beach umbrella materials - will this do it
Answer:	It is correct to think that, but not for the reason I think you think so. Please let me explain. The UVC emissions at 185nm are absorbed 100% by oxygen in the air, hence this is the ozone producing part of the electromagnetic spectrum. In low-pressure mercury-vapor lamps, there are spectrum lines present at 184 nm and 254 nm. Special fused silica glass is used in the manufacturing to keep the 184 nm light from being absorbed for maximum ozone production. When you see UVC mercury-vapor lamps sold as non-ozone producing, that only means they changed the glass tube so these very short UVC wavelengths are absorbed in the glass tube itself. However, in the case that this 185nm wavelength can escape the glass tube, the 185nm wavelength can’t escape air molecules that undergo ionic changes while creating ozone to effectively block all the 185nm wavelength to within the distance of air molecules that surround the bulb. Testing of these wavelengths requires a vacuum otherwise the best way to pick up a bulb emitting 180-185 nm is to measure the ozone in the air! Always remember that your nose is the best ozone meter ever made, and if you can smell it, ozone P.P.M is too high to safely be in the room. Over the long run, your lungs can suffer from oxidative damage. Using this 180-185 nm spectrum in the disinfection process does require additional safeguards, like understanding the half-life of ozone at different humidity levels! The good news is any UVC bulb with emissions of 180-185nm UVC will always peak output at 253.7nm which is why the QuantaDose UV analyte is designed to display the word “ULTRAVIOLET” at 300 µW/cm² under direct exposure to 253.7nm UVC Our QuantaDose UVC test card is absolutely perfect for rapid testing of either ozone or non-ozone producing UVC bulbs! Katie Webb CEO, Quanta X Technology
Question:	Does this meter have a setting for measuring uv light rays, A & B indedpendently
Answer:	Please don’t leave the QuantaDose test card exposed to a UV source for 5 minutes. The QuantaDose UVC test card is designed for rapid intensity testing (15-second result), prolonged exposure will cause photodegradation effects to photochromic analyte. There are three main types of UVC test cards on the market today. With the three of them come three very important and very distinctive differences between these UVC measurement cards. Measurements of these three aspects of UVC radiation include its intensity, accumulative dose, and optimal UVC wavelength which are all critical detection factors of knowledge that will aid in the best UVC disinfection process. 1) UVC dosage test card Function: Measures Accumulative Dose (one time use) Very effective, and expensive for single use. SINGLE USE! A UVC measurement card designed for testing prolonged dosage exposure (say 5 minutes or more) is a UVC Dosimeter Test Card, these are your typical irreversible medical-grade UVC test cards rated at 25/50/100 mJ/cm². These cards provide a final confirmation of an adequate UVC power level reaching a surface over the entire time of the disinfection process. These irreversible UVC test cards are rated for accumulative dosage rather than real-time intensity. 2) UVC intensity test card and 3) UVC wavelength indicator Function: Measures Real-time Intensity (limited reuse) includes UVC wavelength indicator Reusable! A UVC measurement card designed for rapid UVC intensity testing (no longer than 15 seconds) is a QuantaDose UVC test card, this test is a lot like a credit card-sized meter with a single point of calibration starting at 300 µW/cm² with word visibility in the intensity test area. just like a meter, if the UVC light source is not putting out over 300 µW/cm² the meter will NEVER display 300 µW/cm², likewise, the QuantaDose UVC test card will NEVER display the word ULTRAVIOLET in the lower test area until the minimum intensity is reached, no matter how long the QuantaDose test card is exposed to the source, same as a meter would not measure intensity at 300 µW/cm² until that intensity is reached. Time isn’t the factor in intensity, overtime is dosage, not intensity. After the 15-second intensity test, providing you have reached at least 300 µW/cm² you can now calculate the dosage over time with a little math at distances closer and farther from the source just as you would be able to do with a UVC meter. If you are not getting a color change displaying the word ULTRAVIOLET in the lower section of the Quantadose test card while the UV-C indicator is green within 15 seconds, the UVC light is likely not reaching the desired level of germicidal intensity required to achieve disinfection in under ten minutes and should be investigated, for either being aged UVC mercury bulbs or an inadequate or fake UVC product altogether. Katie Webb Interim CEO, Quanta X Technology

Product description

iU2 is a precise meter that measures ultraviolet UVA and UVB radiation. Applications include： Testing Window Film / Tint Transmission； Monitoring Low Level UV from Household Lamps； Testing Ground level UV From Stadium Lighting； Testing Ground level UV From Stage and Theater Lighting； Measuring Outdoor UV Including Shady Area UV； Monitoring UVA Lamp Intensity and Aging； Monitoring UV LED (< 360 nm)； Monitoring PUVA Therapy Lamp Intensity and Aging； Testing UVA In Industrial Glue Curing. MATERIALS SUPPLIED Santacary iU2 Ultraviolet AB Light Meter Protector Bag English User Manual Two AAA Alkaline Batteries.

• UV AB Measurement Range:0 to 2999 µW/cm2; It only measures UV AB light power output, but not the wavelength.
• Spectral Detection Range:240 to 370 nm; Peak point:352 nm. It does not measure UVC.
• Measurement accuracy:±4% ±1 digits; Resolution:1.0 µW/cm2
• Only one power button and easy to operate
• Two AAA Alkaline Batteries. Some usage examples: check uvb reptile bulbs, verify uv blocking glasses, etc.

User questions & answers

Question:	Does this meter come with calibration certificate
Answer:	It measures the small fraction of the uvc range from 246-262 nm because 254nm uv germicidal lamp wands and 254nm germicidal LEDs vary in the amount of sterilizing UVC radiation they apply to a surface at a given distance. Their output can also degrade with use over time. This meter can measure the actual level of 254nm sterilizing UV radiation the device you wish to test is delivering. You can use it to help determine whether a given UVC sterilization solution is strong enough to be effective at given distances/exposure times to various surfaces.
Question:	Can this tester verify that glasses advertised as uv blocking actually block most of the uv
Answer:	if what you want is to measure the amount of light you must buy the 6.2 and if you want to measure the amount of light frequency that is useful to transform reptile skin vitamin D would be 6.5
Question:	How accurate is this device
Answer:	Jeff, It doesn't. It measures the total flux within its bandwidth and assumes a solar spectrum giving a result in UV Index. If you want separate UVA and UVB, the Solarmeter website recommends two meters (instead of one): the model 5.0 which measures both UVA and UVB giving an actual power measurement (not an index) and the Model 6.0 which gives a power reading for UVB ONLY. Subtracting the UVB reading from the total (UVA+UVB) gives the net UVA value. These meters are for high intensity (outdoor) use. If you are looking to measure artificial lights, the website recommends the Model 5.7 and Model 6.2 meters (high sensitivity version of the 5.0 and 6.0 meters). Much more information available at www.solarmeter.com.
Question:	What's the spectral response graph of this meter
Answer:	Finn, you have a couple of possibilities: The Model 6.5 UV index meter is the easiest to use and will give you the current actual UV index at the beach, but you could put it directly under the umbrella (up close) to see what the umbrella is passing (the application you mention). Keep in mind UV comes not only directly from the sun, but also from diffracted skylight. If you put up the umbrella at normal height, then take a reading just above the sand, you will get a reading somewhere between normal whole-sky measurement (normal meter use) and the measurement directly under the umbrella. The advantage is the reading is in simple UV index - just like the weatherman gives. The other possibility is the the model 5.7 sensitive total UV meter. It looks at the same things as the 6.5, but with higher sensitivity. I would recommend this one for extreme comparisons. It may well overload in whole-sky or direct sun measurements, but will read in lower UV level ranges. Where the 6.5 may give a reading of 0 (zero) index directly under the umbrella - essentially out of range - some is getting through but to little to measure, the 5.7 will still read. Downsides: can overload in direct sun or whole-sky measurements, readings are NOT in UV index but in μW/cm² (English: microwatts per square centimeter). If you can deal with the units conversion (not a trivial exercise) you can convert it (manually - take a computer along), it could work. Overall, the 6.5 is easiest to use in the application you mention such as for a purchasing decision. The results are more general. If you are going to be making side-by-side umbrella comparisons for publication, advertising, or scientific comparisons, the the 5.7 might make more sense. I just caught a caveat - "different types of UV".. that will get expensive. The 6.5 and 5.7 both measure combined UVA and UVB. For skin exposure to sunlight, these are the choices. If you are looking to differentiate UVA, UVB and total UVA+B that will require multiple meters. If that is really what you are looking for, that is beyond anything of a short answer. If this makes it through, it is the link to the Solarmeter site pointing to a PDF download that will show you ALL the choices with specifications. https://www.solarmeter.com/compare-uv-meter-products.html Good luck!

• This meter is a compact handheld radiometer, Uses imported UV photosensitive devices, Comes with an integrated UVC filter, Has good cutoff characteristics.
• The instrument has an LCD that can display the value of the UVC irradiance. When lamps output drops to 70% of original readings, please replace it.
• Simply press and hold the push-button switch on the face of the unit. Aim the sensor window in the top panel of the meter directly at the UV source. Note reading on LCD and record if desired. To get more accurate data, please take several tests at the same distance and averaging.
• Using high-precision digital AD, display accuracy is stable and accurate. Imported sensor, no stray light effect, Probe material, UV glass.
• Widely used for daily UVCtesting of all types of reptile lamps, Effectively help you choose the best angle and distance of your own bulb.

User questions & answers

Question:	Have you verified accuracy of this uvc light meter with a calibrated and certified uvc light meter
Answer:	I’ve been using this meter daily for over a year I believe it is real
Question:	can I use this as a home meter to validate UVC output for germicidal action
Answer:	Definitely works for reading UVC wavelengths. I had to Macguyver a setup so I wasn't in the room with the UVC lights but it definitely detected the UVC (assuming it does read only the wavelengths it says it does). Honestly if you have eye protection and cover your skin, you'll be ok. It works very quickly so you do not need to be exposed for long.
Question:	One review mentions a "remote sensor". does this include a "remote sensor" and if not is that review for a different product
Answer:	1. Check your solarmeter with a handheld sanitizer, Make sure it is ok. 2.Most uvc led lamps generate uva and uvb only. There is no uvc .

Product features

RGM-UVC Reptile UV Radiation Meter

This UVC Meter is designed to test the UVC irradiance of the UV lamp which used for the UV Aging，Reptile Lamps，UVC lamp for disinfection, Acrylic Shield Transmission, or Eyewear UV block comparison. The instrument has an LCD that can display the value of the UVC irradiance with the UVB lamp.

Reptile UV Irradiation Meter

RGM-UVC type UV irradiation meter uses imported UV photosensitive devices and has an integrated UV filter with a good cut, widely used for daily UV testing of all types of reptile lamps effectively help you choose the best angle and distance from your own lamp

Sensor

Silicon Carbide (SIC) Photodiode packaged in hermetically sealed UV glass window cap. Interference filter coating (Metal Oxide) blocks most UVA+B from the response.

Operating

Press the ON/OFF button to turn on or turn off the UVC meter. Aim sensor window in the top panel of meter directly at UV source. Note reading on LCD and record if desired. For reptile lamps also check at the "basking" position.

Battery

The battery operation voltage is 3V down to 2.5V. Below 2.5V the LCD numbers will begin to dim, indicating the need for battery replacement. Under the "typical" service load, the battery should last about 1 year.

Operation

1. Allow lamps to warm-up prior to taking readings (at least 5 min).

2. When checking the aging of lamps, keep measuring distance and locations constant.

3. Lamps should be replaced when output drops 30% to about 70% of their original (new) readings. Take an overall reading at exposure distance, or check individual lamps close to the surface. Keep track of hours vs. readings on a chart.

4. If unsure of what original new values were, replace lamp(s) with new ones of the same kind and compare it to old ones.

• Compact, portable, battery powered, ultra-low power consumption
• The testing slot is up to 8mm, can test filmed glass directly
• UV transmission meter, IR transmission meter, Light Transmittance Meter, Three functions in ONE device
• Simple operation, rapid measurement, putting the testing sample in the "OPENING", UV, VL and IR transmission values of the sample will simultaneously display immediately
• Suitable for measure film, filmed glass, window tint, side windshield etc. Test for performance demonstrate, production, QA, inspection and so on many occasions

Product description

Measures UVA & UVB

LSI-circuit use provides high reliability and durability

3 3/4 LCD display, maximum indication 3,999

Range: 0~40mW/cm²

3 range: 400μW/cm², 4,000μW/cm², 40mW/cm²

UV sensor spectrum: 290~390nm

Accuracy: ±(4%FS+2 digit)

Sensor structure: The exclusive UV photodiode & UV color correction filter.

Sampling Time: 0.5 second

Operating Temperature: -10~40°C(14~104°F)

Operating Humidity: 0~70%Rh

Over-input: Indication of “OL”.

Peak hold.

Power supply: DC 9V (6F22 type) Battery (Battery NOT Included)

Operating current: about 2.7mA

 

Please Kindly Know: Batteries are not included in the package due to Aviation Security Check. Sorry for any inconvenience caused.

• UVA & UVB Measurement
• LSI-circuit use provides high reliability and durability
• 3 3/4 LCD display, maximum indication 3,999
• Sampling Time: 0.5 second
• Sensor structure: The exclusive UV photo diode & UV color correction filter.

User questions & answers

Question:	Does this separately measure uv-a and uv-b? because of the different effects of these wavelengths, i need to measure them independently
Answer:	This is a great question and since we want to address your inquiries with all the expertise that our technicians have, please forward us this questions to https://flir.custhelp.com/ and click on where it says Technical support and then “ask a question”; we will be looking forward to hearing back from you!.
Question:	does this measure the whole range from 290-390nm or only to a specific range
Answer:	I no longer have it but I don’t remember being able to set it to just A or just B. It gave me the reading with A and B