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Noyafa NF-521S Handheld Thermal Imaging Camera with 2.8" Screen , 120 * 90 IR Resolution 1 Million Pixels, 8 Color Palettes for Electrical / Mechanical / Building / HVAC Inspection

Noyafa NF-521S Handheld Thermal Imaging Camera with 2.8" Screen , 120 * 90 IR Resolution 1 Million Pixels, 8 Color Palettes for Electrical / Mechanical / Building / HVAC Inspection

Regular price $223.64
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NF522 vs NF521s vs NF586s vs NF521 Comparison

Features & Benefits

  • High Resolution: The camera has a high thermal imaging resolution of 120 * 90 pixels, providing clear and detailed thermal images. And 25Hz refresh rate ensures the video recording is smooth, not stilted and flickering.

  • Wide Temperature Range: The handheld thermal imager can measure temperatures between 14°F to 752°F (-10°C to 400°C), making it suitable for a wide range of applications, such as electrical inspection, mechanical inspection, building inspection, HVAC inspection, pet search, night vision, anti-candid photography, etc. 

  • Multiple Color Palettes: The thermal imaging camera offers 8 different color palettes to choose from, including iron red, white heat, black heat, rainbow, red heat, high contrast, green heat, and lava, to enhance the visibility of temperature differences.

  • Low NETD (Noise Equivalent Temperature Difference). The NF-521S boasts a thermal sensitivity or NETD of 65mK, which allows it to distinguish between minute temperature differences and generate more intricate thermal images.

  • Adjustable Emissivity: The emissivity of the camera can be adjusted between 0.1 and 0.99, allowing for accurate temperature measurements of various materials.

  • Non-Contact Measurement: The camera can measure temperature from a safe distance without making contact with the object or surface being measured, reducing the risk of contamination or damage.

  • Data Storage and Transfer: The camera has a built-in memory for storing up to 500 images, and the images can be transferred to a computer for further analysis using the included USB cable.

  • Auto Power-Off: The camera has an auto power-off function that helps to conserve battery life when the device is not in use.

  • Ergonomic Design: The camera has a compact and lightweight design with an ergonomic handle, making it easy to hold and use for extended periods.

  • What's In The Box: - Handheld thermal imager *1, USB cable *1, User manual *1

Quick Details

Model: NF-521S
Resolution: 120 x 90
Infrared spectral bandwidth: 8~14μm
Frame rate: 25Hz
NETD: <70mK@25℃
FOV: 33°X 50°
Emissivity: 0.1~0.99
Low temperature: -20~150℃
High temperature:120~400℃
Measurement accuracy: +/-2℃or +/-2% of reading
Screen size: 2.8 inches
Image modes: Edge fusion, Superimposed fusion,Picture-in-Picture,
Single Infrared, Single Visible Light
Color palettes: Iron Red, Rainbow, Red hot, Black hot, white hot, High contrast, green hot,lava pattern.
Temperature measurement: Support the highest point, the lowest point, the center point temperature measurement in the whole screen and the regional temperature measurement.
Visible light camera: one million pixels
Visble field angle: H=83° V=55°
Resolution: 720 P
Language: English/Chinese
Interface: USB-C (Charging and data transfer)
Battery: 2600 mAh lithium battery
Capacity: 8G bulit*in memory
Image / videoformat: JPEG/Mp4
Automatic shutdown function: Yes
Certification: CE
Storage temperature: -20℃~65℃
Operating temperature: -10℃~60℃
Drop proof: 2m
Net weight: 310g


Q: Where I can downolad the software for thermal imager NF-521S

A: Please check here

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Customer Reviews

Based on 7 reviews
Easy to use

Easy to use is what I liked about it.


I am impressed by this camera's capabilities, including its long battery life. What's even better is that I can easily transfer data via my laptop, making it even more convenient to use. Additionally, I was thrilled to find a NOYAFA thermal camera at such a great price compared to other options.

Useful Tool

I got this camera to check out my underfloor heating and figure out why my car smells like burning rubber sometimes. But you know what? It's not just a useful tool. It's also a fun little gadget that lets you see the world in a whole new light.

Now, I can use it to check how well my house is insulated in the winter. And it's kind of amazing to see how much heat is escaping through those cracks! But really, it's just cool to be able to see and understand things in a whole new way. Who knew the world could look so different when viewed through a thermal lens? It's like discovering a whole new dimension!

High resolution, user-friendly device

One of the most impressive features of this camera is its high resolution. This is essential for professionals in various industries who require precise thermal imaging data. In addition, It has a simple and intuitive interface and user manual making it easy to navigate and operate. This means that I can spend less time trying to figure out how to use the camera and more time focusing on my work.

Excellent Handheld Thermal Camera for Everyday Use

I'm very satisfied with my purchase and would highly recommend this thermal camera to anyone looking for a reliable and versatile tool for detecting temperature anomalies.