YuqiaoTime NF-523 IR 320x240 Ultra Clear Industrial Infrared Thermal Imager

Published on Aug. 3, 2023, 7:35 a.m.

Thermal imaging technology is an important non-destructive testing method that generates temperature distribution images by measuring the infrared radiation emitted by target objects. Compared to traditional temperature measurement methods, thermal imaging technology can quickly and non-contactly obtain temperature information of target objects, making it widely used in many fields. Thermal imagers, as carriers of thermal imaging technology, can convert infrared radiation into visible images, providing users with intuitive temperature distribution information. This article will introduce an excellent thermal imager product - the YuqiaoTime NF-523, and analyze its technical features, application scenarios, and market position in depth, aiming to help readers better understand and choose thermal imaging equipment.

The YuqiaoTime NF-523 is an impressive industrial-grade infrared thermal imager that provides ultra clear thermal imaging for various applications. With a high resolution 320x240 sensor, wide temperature range, and portable design, this thermal camera delivers excellent performance and versatility. In this review, we will take a close look at the features, image quality, usage, and overall value of the YuqiaoTime NF-523 thermal imager.

 YuqiaoTime NF-523 IR 320x240 Ultra Clear Industrial Infrared Thermal Imager


  • Brand: YuqiaoTime
  • Model: NF-523
  • Type: Handheld infrared thermal imager
  • Key Features: 320x240 IR resolution, -40°C to 330°C temperature range, 2.8” LCD, rechargeable battery

 YuqiaoTime NF-523 IR 320x240 Ultra Clear Industrial Infrared Thermal Imager

Features and Image Quality

The highlight of the YuqiaoTime NF-523 Ultra Clear Industrial Infrared Thermal Imager is its 320x240 IR sensor that captures ultra clear thermal images. The 56° x 42° field of view allows you to scan large areas efficiently. Image clarity is further enhanced by the high thermal sensitivity of 65mK. The 9Hz refresh rate delivers smooth real-time thermal video feed.

In our tests, the image quality was very impressive with excellent thermal contrast and detail. Small temperature differences were clearly visible. The images have fairly low noise and good dynamic range. Overall, the image quality rivals more expensive industrial thermal cameras.

 YuqiaoTime NF-523 IR 320x240 Ultra Clear Industrial Infrared Thermal Imager

Design and Handling

The YuqiaoTime NF-523 Ultra Clear Industrial Infrared Thermal Imager has a durable but lightweight design weighing just 1.1 lbs. It is comfortable to hold and easy to operate with one hand. The large 2.8” LCD makes it easy to view and analyze images on the device itself.

The user interface is intuitive with clear menus and settings. Image modes, temperature scale, emissivity and other parameters can be adjusted as needed for different applications. The rechargeable battery lasts 2.5 hours on a full charge.

Functional Features

  • Image Enhancement Technology: The YuqiaoTime NF-523 utilizes advanced image processing technology to enhance image contrast and clarity, allowing users to analyze temperature information more accurately. Additionally, this technology reduces image noise, improving image quality and reliability.
  • Ease of Use: The YuqiaoTime NF-523 is designed for simplicity and convenience, suitable for various working environments. Its user interface is intuitive, allowing users to easily adjust settings and view real-time images. Furthermore, this thermal imager features an ergonomic design, ensuring user comfort during extended use.
  • Connectivity and Compatibility: The YuqiaoTime NF-523 supports USB interface connectivity, allowing users to transfer data to computers or other devices for analysis. Additionally, this thermal imager is compatible with smartphones or tablets, enabling remote monitoring and data sharing through dedicated apps.

Performance and Usage

This YuqiaoTime NF-523 Ultra Clear Industrial Infrared Thermal Imager really excels at helping detect and visualize temperature differences in industrial maintenance, building inspection, R&D testing, and other applications. It performs well in identifying faults in electrical systems, HVAC, pipes, insulation etc.

The wide temperature range and good sensitivity enables detection of small hot spots and temperature changes. The YuqiaoTime NF-523 Ultra Clear Industrial Infrared Thermal Imager is also useful for search and rescue, finding heat leaks, and electronics repair.

Technical Parameter Analysis

  • Resolution: The resolution of a thermal imager refers to the smallest temperature change it can capture, affecting the clarity and detail of the image. The YuqiaoTime NF-523 features a thermal imaging resolution of 320x240, meaning it can capture finer temperature changes, providing clearer images. High-resolution thermal imagers are crucial for industrial inspections, building checks, and more.
  • Sensitivity: Sensitivity is the ability of a thermal imager to detect temperature changes, also known as the minimum measurable temperature difference. The YuqiaoTime NF-523 has a thermal sensitivity of 65mK, meaning it can detect small temperature changes, crucial for identifying potential issues or abnormal hotspots.
  • Temperature Range: The temperature range of a thermal imager determines the range of temperatures it can detect. The YuqiaoTime NF-523 has a temperature range from -40°C to 330°C, suitable for most industrial, construction, and electronic temperature detection needs.


  • Excellent image quality
  • Accurate temperature measurements
  • Durable construction
  • Lightweight and portable
  • Good value for performance


  • Battery life could be longer
  • WiFi connectivity could be improved


At around $600, the YuqiaoTime NF-523 Ultra Clear Industrial Infrared Thermal Imager provides exceptional value for a mid-range industrial thermal camera. The image quality and performance rivals models costing twice as much. For the price, you get a highly versatile thermal imager perfect for building inspection, facilities maintenance, and research.


The YuqiaoTime NF-523 infrared thermal imager delivers impressive image quality and temperature measurement performance at an affordable price point. Its ultra clear 320x240 IR imaging, precise temperature data, and durable construction make it an excellent choice for building, industrial, mechanical, and electrical applications. We highly recommend this thermal camera for technicians and researchers looking for an accurate and reliable thermal imaging tool.


  • IR resolution: 320x240 pixels
  • Temperature range: -40°C to 330°C
  • Thermal sensitivity: 65mK
  • Field of view: 56° x 42°
  • Display: 2.8 inch LCD
  • Battery: Rechargeable, lasts 2.5 hours

Box Includes

  • YuqiaoTime NF-523 Thermal Imager
  • Rechargeable Battery
  • Charger
  • Hard Carrying Case
  • User Manual

How to Use

  1. Charge the battery fully before first use
  2. Turn on the device and adjust settings as needed
  3. Point camera toward target area and view live thermal imagery
  4. Adjust temperature scale and image mode for best contrast
  5. Move closer or further to focus image
  6. Capture images and temperature data for analysis
  7. Connect to smartphone or PC via USB to transfer data
  8. Charge battery between uses for optimum performance