Manufacturer | General Tools |
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Part Number | UV513AB |
Item Weight | 2 pounds |
Product Dimensions | 2.88 x 10.63 x 10.5 inches |
Country of Origin | China |
Item model number | UV513AB |
Is Discontinued By Manufacturer | No |
Size | 280-400nm |
Style | 280-400 nm |
Power Source | Battery Powered |
Item Package Quantity | 1 |
Measurement Accuracy | ±(4% of reading +1 digit) |
Included Components | Certificate of Traceable Calibration, Instruction Manual |
Batteries Included? | Yes |
Batteries Required? | Yes |
Battery Cell Type | Alkaline |
Warranty Description | Warranted for workmanship and materials |
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To see product details, add this item to your cart.
FREE Returns
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns. How to return the item? - Go to your orders and start the return
- Select the return method
- Ship it!
Ships from: Amazon Sold by: Amazon Warehouse
General Tools Digital UVA/UVB Meter | Measures UV-A/B Intensity (280-400 nm) | Two Ranges, Backlit LCD, Memory Function | Safety and Environmental Monitoring | Kit includes tripod and Magnetic Mount
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
- MEDIDOR DIGITAL DE UVA/UVB GENERAL TOOLS - Mide Intensidad UV-A/B (280-400 nm) con dos Rangos, Pantalla LCD iluminada, Función de Memoria - Para Seguridad y Monitoreo Ambiental - El kit incluye Tripie y Base Magnética
- DUAL UV RANGE MEASUREMENT: Accurately measures both long and medium wave UV-A/B radiation, providing comprehensive data on UV intensity for safety and environmental monitoring. This versatile unit offers measurements in mW/cm2 or uW/cm2, with automatic measuring capabilities for convenient and precise UV assessment.
- BACKLIT LCD DISPLAY: Easy-to-read dual-readout 4-digit LCD with high and low measurements ensures quick and clear visibility, even in varying lighting conditions.
- MEMORY FUNCTION: Features a 20-measurement memory with automatic time recording, allowing users to track and analyze UV exposure over time for improved safety and awareness.
- MULTIPLE MOUNTING OPTIONS: Designed for flexibility, the meter includes both tripod and magnetic mounts, providing convenient solutions for various measurement scenarios.
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From the brand
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Innovative Product Development
We provide craftspeople and artisans with a broad assortment of specialized tools to enhance productivity and inspire creativity.
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From the manufacturer
A Higher Rank of Precision
Ingenuity is the core of what makes General special. Our mission is to enable our users to work smarter, measure better and be more productive. Our long history of innovative product development, focused on this mission, is why General Tools is the PRECISE TOOL for the job.
Pin Style Moisture Meter | Pinless Moisture Meter | Pinless Moisture Meter | Pin-Pinless Moisture Meter | Pin-Pinless Moisture Meter w/ Probe | Light Meter | |
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Customer Reviews |
4.5 out of 5 stars
13,509
|
4.4 out of 5 stars
4,323
|
4.4 out of 5 stars
4,323
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4.2 out of 5 stars
539
|
4.4 out of 5 stars
257
|
4.0 out of 5 stars
111
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Deep Read Pins | ✓ | ✓ | ✓ | |||
Deep Sensing Probe | ✓ | |||||
Pinless | ✓ | ✓ | ✓ | ✓ | ✓ | |
Measures ultraviolet light | ✓ | |||||
Measures Moisture | ✓ | ✓ | ✓ | ✓ | ✓ | |
Backlit LCD display | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Product information
Technical Details
Additional Information
ASIN | B002JOR0JO |
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Customer Reviews |
4.0 out of 5 stars |
Best Sellers Rank | #93,080 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #33 in Lab Photometers & Light Meters |
Date First Available | December 13, 2006 |
Warranty & Support
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Product guides and documents
Product Description
The General Tools UV513AB UVA/B light meter is ideal for applications including UV curing and sterilization, semiconductor fabrication, offset printing, environmental monitoring and industrial process control. Conduct UV degradation studies for pharmaceutical, cosmetic, semiconductor, printing, forensic applications and more. The UV light intensity appears on the large backlit display in either ìW or mW/cm² while the small lower display simultaneously shows minimum, maximum, average, and recorded data. Up to 20 data points can be recorded automatically at a variety of intervals.
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the accuracy, performance, ease of use, quality and value of the UV meter. For example, they mention it's accurate over a very large range, produces repeatable results and is easy to understand. That said, some appreciate the value for money.
AI-generated from the text of customer reviews
Customers are satisfied with the accuracy of the meter. They mention it's a very nice and accurate UV meter, with great sensitivity. The meter is accurate over a large range and can accurately measure the UV protection. It's useful for measuring sunglasses and has a high level of precision in the microwatts.
"...The measurement is very sensitive and the sampling rate seems high because I can see the measured value changes very quickly...." Read more
"...The General Tool UV513AB allows for real time UV measurements in a value that can be interpreted on an absolute scale in universal metrics of mw/..." Read more
"...This device might be a very nice and accurate UV meter, but I have no way of knowing...so 3 stars. Refund was prompt." Read more
"I can't tell if it's actually precise, but it certainly detects varying levels of UV from sunlight...." Read more
Customers like the performance of the meter. For example, they mention it's accurate, has great sensitivity, and produces repeatable results. Some say it'd be a great tool for measuring sun protection.
"...Scientific EB612 Personal UV Monitor, this instrument is quite a powerful tool that is easily worth five times as much...." Read more
"Works very well. I just use it for the basic reading - UV light or not, and how high do the numbers go. I take this with me...." Read more
"...This meter appears to do the job well...." Read more
"...It has foam well cutted inside protectors. The instrument works fine, is extreme accurate and has great sensitivity...." Read more
Customers find the UV meter easy to use. They mention that the buttons are easy to press and the sensor is lightweight. The meter is well built and plugs and plays, providing a quick measurement. Customers also appreciate the portable design and the easy-to-understand readings.
"...meter need a simple assembly by using five supplied screws but it is very easy...." Read more
"...PortableEasy to understanding readingsMin, max, average readings with data storeConsPoorly written manual..." Read more
"...It's lightweight, and the buttons are easy to use from a sensor standpoint...." Read more
"Easy to use but the meter is not calibrated correctly...." Read more
Customers are satisfied with the quality of the tool. They mention it's well made, comes in a good quality hard box, and is intuitive to operate.
"...This meter was built very well. It comes with a hard case although the hard case was not shown in the picture...." Read more
"Great product, well built. It has two "scales" so microwatts/cmsq and milliwatts/cm can be used depending on the intensity of light...." Read more
"...It came with a very durable and strong, shock-proof case, which makes me suspect it should be treated delicately." Read more
"It comes in a plastic good quality hard box. It will be great if the box will be more little, Specially for carring the instrument...." Read more
Customers appreciate the value of the tool. For example, they say it's a good value and can show the instantaneous value and a choice of max, min, or average simultaneously.
"...Despite all of the limitations, this instrument is a good value - especially when compared to what is offered in the larger scientific instrument..." Read more
"...This unit can be used in a broad variety of tasks and it a reasonable value for a well made unit...." Read more
"...Use it to monitor the UVA and UVB light from the Sun. It can show the instantaneous value and a choice of max, min or average simultaneously...." Read more
"very good product and a very good price. Sehr gutes Messgerät zu günstigem Preis." Read more
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Top reviews
Top reviews from the United States
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This meter was built very well. It comes with a hard case although the hard case was not shown in the picture. The wand in this meter need a simple assembly by using five supplied screws but it is very easy. The measurement is very sensitive and the sampling rate seems high because I can see the measured value changes very quickly.
It totally met my expectations so I give 5 stars.
If one keeps in mind that it's uvb sensitivity is only 20-30% of its uva sensitivity, one can still use it to compare the protection various materials provide for sun exposure, just by comparing the *relative* intensity of measurments with/without protection.
It cannot "switch" between measuring uva, then uvb separately, event though the manual suggests it might be possible.
It is some difficult to objectively review and rate such a device because its well and not-so-well understood limitations can be attributed to its modest price. Other laboratory grade UV meters can cost more than three times as much and beyond. So, it is the value and utility that must be discussed. Compared to a personal UV meter such as the Oregon Scientific EB612 Personal UV Monitor, this instrument is quite a powerful tool that is easily worth five times as much. The General Tool UV513AB allows for real time UV measurements in a value that can be interpreted on an absolute scale in universal metrics of mw/cm^2 - not an ambiguous continuum meaningful only to the instrument such as relative intensity of 1 - 20. This is especially helpful when observing the output of UV LEDs whose output can vary based on temperature.
There are some deficits that are inexcusable, even at its low price point. Despite being a relatively simple device, the menu navigation is oddly confusing. The manufacturer should have added an additional button or switch to avoid the need to cycle through different functions. It is nice, however, that there are two readouts, including one that is able to show min, max, and average values. The meter also has a data store capability that can be displayed on the secondary reading while the main function is still being displayed.
The manual for this meter is poorly written. One of my big concerns is that at least one of the specifications is incorrect. The "High Illumination" spectral range is listed at 0.01 mw/cm^2 to 40.00 mw/cm^2. Yet, I have exceeded 40 mw/cm^2 numerous times, reaching up to 66 mw/cm^2. Given that an almost identical meter is sold by Sper Scientific, my guess is that General Instrument didn't make or design this product. Hence, the manual was probably written by someone else other than the designer or manufacturer.
Regarding the fundamental capabilities of the sensor, the 40 mw/cm^2 maximum value is well below the output of many light sources, including UV lasers and high brightness LED modules. Just for reference, readings of greater than 8.5 mw/cm^2 can be reached at the sun's maximum intensity during the day in the Midwestern United States. Like the wavelength sensitivity limitation, the maximum intensity ceiling could be addressed with different filters, which can often be extremely expensive. It would be helpful if General Tool could provide easily attachable and modestly priced filters including bandpass variants to address the wavelength and max intensity issues.
Despite all of the limitations, this instrument is a good value - especially when compared to what is offered in the larger scientific instrument market. For example, a small bandpass UV filter used to obtain a better reading on a specific UVB wavelength could cost several hundred dollars from a supplier such as Edmunds Scientific. I would have appreciated a few additional capabilities but the price would be expected to increase dramatically. That being said, this instrument is a solid four stars compared to what is available at both lower and higher price points.
Pros
Inexpensive
Flexible sensor mounting/use with wand
High level of precision in the microwatts and reported accuracy of 4%
Portable
Easy to understanding readings
Min, max, average readings with data store
Cons
Poorly written manual
Complex function navigation
I will return this item since the description of the item (copied and pasted above from the Amazon.com website today April 25, 2018 (also see a photo of the website description) does not match the item I received (see photos of item description on the packaging of the device received).
There is a deceptive variance!
As a novice to measuring UVA, UVB, and UVC, I read the description of the item on Amazon.com as a “UVC Meter.“ Perhaps others might fall for this description as I did. Most of us, I think, would believe that if something says it is a “UVC Meter” then that it means it is a UVC Meter.
The item received is only for UVA and UVB measurements. VERY DECEPTIVE.
How a seller can say that the item I received is a “UVC Meter“ is beyond comprehension and inexcusable! It seems like the description could be perceived as fraud, no?
In case another person is interested, Wikipedia says that UVA spans the wavelength of 315-400 nm. UVB spans the wavelength of 280-325 nm. This item, therefore will measure both UVA and UVB from 280 to 400 nm. I take it from other reviews that separation of UVA measurements from UVB measurements may not be possible. Check on that if it is important.
According to Wikipedia, UVC is measured at 100-280 nm, clearly well outside the capabilities of this item as described in its packaging.
Reviewed in the United States on April 26, 2018
I will return this item since the description of the item (copied and pasted above from the Amazon.com website today April 25, 2018 (also see a photo of the website description) does not match the item I received (see photos of item description on the packaging of the device received).
There is a deceptive variance!
As a novice to measuring UVA, UVB, and UVC, I read the description of the item on Amazon.com as a “UVC Meter.“ Perhaps others might fall for this description as I did. Most of us, I think, would believe that if something says it is a “UVC Meter” then that it means it is a UVC Meter.
The item received is only for UVA and UVB measurements. VERY DECEPTIVE.
How a seller can say that the item I received is a “UVC Meter“ is beyond comprehension and inexcusable! It seems like the description could be perceived as fraud, no?
In case another person is interested, Wikipedia says that UVA spans the wavelength of 315-400 nm. UVB spans the wavelength of 280-325 nm. This item, therefore will measure both UVA and UVB from 280 to 400 nm. I take it from other reviews that separation of UVA measurements from UVB measurements may not be possible. Check on that if it is important.
According to Wikipedia, UVC is measured at 100-280 nm, clearly well outside the capabilities of this item as described in its packaging.
Top reviews from other countries
FIELD TESTS:
I have tested sensor with regular transparent glass: value dropped by 35% or so.
When testing various glasses with UV protection, value dropped 98%.
Testing window light with some kind of film (came from the builder), value dropped 60-70%.
Since negative control (regular non UVA-blocking glass) did not drop value of UV to 0, this device may be used reliably to aproximate UVA/UVB protection for glasses; measure UV levels indoors.