plplaaoo Thermal Imaging Camera MLX90640

Published on Aug. 2, 2023, 9:01 p.m.

Thermal imaging technology is a critical tool for visualizing thermal energy distribution. Its significance spans across various applications, from industrial inspections to medical diagnostics. In this article, we delve into the technical details of the plplaaoo Thermal Imaging Camera and its applications in different domains.

Technical Background

The operation principle of thermal imaging cameras relies on the infrared radiation emitted by objects. These radiations are captured by the camera and converted into a visual image. Common sensors used in thermal imaging cameras include thermal arrays and pyrometers. The plplaaoo Thermal Imaging Camera employs the MLX90640 sensor, featuring a resolution of 32x24 and a field of view of 75°x110°. This technology enables accurate temperature measurements in various environments, visualizing them to provide critical insights to users.

The plplaaoo Thermal Imaging Camera is a handheld infrared thermal imager that allows users to see and measure surface temperatures for a variety of applications. With a lightweight and portable design, rechargeable battery, and intuitive controls, this thermal camera aims to provide an accessible thermal imaging solution.

 plplaaoo MLX90640 Thermal Imaging Camera


  • Product Name: plplaaoo Thermal Imaging Camera
  • Brand: plplaaoo
  • Model Number: MLX90640
  • Product Category: Thermal Imagers

The plplaaoo MLX90640 Thermal Imaging Camera features a 2.4 inch LCD display with 320x240 resolution. It uses an MLX90640 thermal sensor with a 75° x 110° field of view and 32x24 resolution. The temperature measurement range is -40°C to 300°C with ±2°C accuracy.

Key Features

  • Portable handheld design with 2.4” LCD display
  • Built-in rechargeable 1000mAh lithium battery
  • Micro USB charging and data transfer
  • Adjustable emissivity from 0.1 to 0.99
  • 8Hz refresh rate for real-time thermal imaging
  • Can store up to 100 images with built-in memory
  • Wide -40°C to 300°C temperature range

 plplaaoo MLX90640 Thermal Imaging Camera

Design and Build Quality

The plplaaoo MLX90640 Thermal Imaging Camera has an ergonomic handheld design with a rear pistol grip handle. The outer shell is made from black ABS plastic. The 2.4 inch color LCD screen is reasonably bright and provides a live view of the thermal image.

Overall, the build quality feels decent but not premium. The plastics have a budget feel but the device still seems durable enough for regular use.

 plplaaoo MLX90640 Thermal Imaging Camera

Ease of Use

Despite the small display, the on-screen menu system on the plplaaoo MLX90640 Thermal Imaging Camera is intuitive and easy to navigate. Users can adjust emissivity, palette, image mode, and other settings through simple menu selections.

The rear trigger button makes capturing thermal images very convenient in the field. Images can be quickly reviewed on the LCD screen or transferred to a computer later via the micro USB port.

Image Quality and Performance

Considering its affordable price point, the plplaaoo MLX90640 Thermal Imaging Camera provides good image quality and thermal accuracy. The 32x24 sensor resolution captures decent detail while the 75° x 110° field of view allows users to survey large areas or objects.

The 8Hz refresh rate delivers smooth real-time thermal video feed. The temperature range and accuracy is sufficient for most building inspection, HVAC, and electrical maintenance applications.

Technical Parameter Analysis


The resolution of a thermal imaging camera directly affects the clarity and detail of the images. The 32x24 resolution of the plplaaoo Thermal Imaging Camera provides sufficient image quality to accurately display the temperature distribution of targets.


Sensitivity determines the camera’s ability to detect temperature differences. Higher sensitivity means it can capture more subtle temperature changes. The plplaaoo Thermal Imaging Camera has good sensitivity, accurately detecting temperature differences in target objects.

Temperature Range

Different thermal imaging cameras have different temperature measurement ranges. The temperature range of the plplaaoo Thermal Imaging Camera is -40°C to 300°C, suitable for most industrial and household applications, meeting the basic needs of users.

 plplaaoo MLX90640 Thermal Imaging Camera

Battery Life

The built-in 1000mAh rechargeable lithium battery lasts for 3-4 hours of continuous use per charge. This is a decent battery life for a portable thermal camera. The included USB cable can recharge the battery in about 2 hours.

Suitable Applications

  • Building inspection
  • HVAC maintenance
  • Electrical system repairs
  • Locating insulation deficiencies
  • Finding plumbing issues
  • Identifying overheating equipment


  • Affordable price point
  • Lightweight and portable
  • Intuitive menu system
  • Rechargeable lithium battery
  • Micro USB charging and connectivity


  • Lower resolution display
  • Cheap plastic construction
  • Not suitable for fine temperature precision


With an MSRP around $100, the plplaaoo MLX90640 Thermal Imaging Camera is very attractively priced for the features and performance it delivers. It provides an affordable entry point into basic thermal imaging compared to models from Fluke and other professional brands costing several times more.

 plplaaoo MLX90640 Thermal Imaging Camera


For DIY enthusiasts, homeowners, and those in need of an entry-level thermal camera, the plplaaoo MLX90640 Thermal Imaging Camera is a solid choice. It excels in building inspections, HVAC maintenance, and electrical repairs. While advanced features or commercial-grade performance may not be expected, this portable infrared thermal imager gets the basic job done at an affordable price.

Market Analysis

The thermal imaging camera market has shown steady growth in recent years. With continuous technological advancements and gradual price reductions, thermal imaging cameras are gaining increasing attention. Major manufacturers are constantly introducing new products, leading to intensified market competition. It is expected that the thermal imaging camera market will continue to grow in the coming years, especially in industrial inspections, medical diagnostics, and security surveillance.

Future Outlook

Thermal imaging technology is poised for further growth and advancement in the future. With continued technological progress and expansion into new application areas, thermal imaging cameras will play increasingly vital roles across various industries. In the future, we can expect higher resolutions, broader temperature ranges, more diverse application scenarios, and smarter functionalities. Additionally, as costs continue to decrease, thermal imaging technology will become more accessible, bringing greater convenience to people’s lives and work.


  • Sensor: 32x24 MLX90640 thermal sensor
  • Field of View: 75° x 110°
  • Display: 2.4” LCD with 320x240 resolution
  • Temperature Range: -40°C to 300°C
  • Temperature Accuracy: ±2°C
  • Emissivity: Adjustable 0.1 to 0.99
  • Image Storage: Stores up to 100 images
  • Battery: 1000mAh rechargeable lithium battery
  • Dimensions: 160 x 56 x 20 mm
  • Weight: 185g

Box Contains

  • 1 x Thermal Imaging Camera
  • 1 x USB Charging Cable
  • 1 x User Manual