NOYAFA Industrial Thermal Imaging Device 1024 Pixels Resolution GB Memory Card Thermal Imaging，Infrared Thermometer with 2.4 TFT LCD Display
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- 1. 2-megapixel white lens， 2.4 TFT LCD Display
- 2. Temperature testing range: -10°C ~ 400°C
- 3. 32×32 pixel resolution, 33° Field of View
- 4. Merging visible and infrared image display
- 5. Chargeable Li-ion battery for power supply.
Specifications for this item
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NF-521 has thermal imaging function and can display hot and cold spots on the screen, enabing users to oberve the object temperature changes more effectively. It helpls you to quickly lock the target area. The standard 8GB memory card can save a large number of images and data and generate high-quality infrared images, which is a useful tool for fault maintenance. Temperature measurement range：-10 400℃ Basic accuracy：±2% or ±2.0℃ Emissivity： adjustable 0.1 0.99 Measuring resolution：0.1℃ Response time： 150ms Spectral band：8 14um Thermal imaging resolution：32 32（1024 pixels） Electronic shutter：No Visible light camera：2 mega pixels Display resolution：Thermal imaging, thermal mixing, digital camera Color palettes： Ironbow,iridescence ,Grayscale Infrared spectral bandwidth：8 14μm FOV：33° horizontal IFOV：18 mrad Thermal imaging sensitivity：150mk Frame rate：≤9Hz Image format： BMP Monitor：2.4 & rdquo; TFT LCD Display resolution：320 240 pixels Battery： 3.7V/2600mAh Automatic shutdown function：Yes Certification：CE SD card： 8GB TF card Working temperature：-10℃ 45℃ Drop proof：2m Standard accessories：manual, USB cable, 8GB micro TF card
- Package Dimensions : 9.25 x 5.59 x 3.23 inches; 1.1 Pounds
- Batteries : 1 Lithium Metal batteries required. (included)
- Date First Available : July 7, 2020
- Manufacturer : NOYAFA
- ASIN : B08CGQY31Y
Best Sellers Rank:
#114,567 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #57 in Thermal Imagers
- Customer Reviews:
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I bought this to look at hot spots on circuit boards. It works OK for that. If you can't narrow down the location down due to the low resolution, then try to use a piece of paper and cut a small hole in it. Use the paper as a mask and move the hole over parts one by one and then check the temperature. The paper masks off heat from surrounding components.
This has both an optical camera and a low res 32x32 thermal camera. But the combined modes are almost worthless because the images never align properly. The camera also slows down when you use the optical camera fusion mode. When you save images, it never saves the fusion image. It saves the thermal image, followed by the optical image. Then it forgets your settings and goes back to just thermal after you snapshot an image I do admit that even if the two photos don't align, it turns out to be useful because when you download all your images you will often forget what you took pictures of. So the visible image helps you remember what the low resolution thermal blobs are -- even if the images don't line up exactly.
You must ONLY USE CELCIUS scale. There is a firmware bug if you change the camera to Fahrenheit and take a picture. The temperature will then be millions of degrees and it will save the picture with incorrect temperature.
When you receive it is set to Chinese. You must use the instruction manual to blindly change it to English.
Some images on the internet show this on a tripod mount - but those are fake photoshopped. There is no tripod mount!
The 3 color scales are good: red hot, rainbow, and grayscale. The only bad part is you can't lock the scale. It is always changing on you. So the scale is only relative and can't be used as an absolute heat map. If you accidentally get part of the cold night sky in the image (-40C according to mine) in an image, it instantly rescales and then you lose precision measuring things outside around your rooftop, for instance. If you could lock the scales or set them this would be much more useful.
It shipped with a genuine 16GB sandisk microSD, and a cheapo nylon zipper case. It powers up really fast unlike my FLIR at work. There is no shutter or safety cover for the cameras - so be careful not to point at the sun or get it dirty. The LCD is clear and readable and has lots of good info - Min, Max, and center temp (you can turn crosshairs on or off). But there is no info to decode the intensity versus the temperature.
Also while you are looking at live images, it shows min & max pixels on the screen. But the pixel markings are not saved in the heat map, which is probably good as it looks cluttered with the MIN/MAX floating around on the screen. The buttons and trigger are OK, not too cheap. There is no cover for the USB or microSD card port.
By Zack Simon on February 8, 2021