Hti-Xintai HT-03 Thermal Imaging Camera

Published on Aug. 16, 2023, 1:35 a.m.

Thermal imaging technology is an advanced technique that utilizes the infrared radiation emitted by objects to acquire images. By measuring the thermal distribution on the surface of objects, thermal imaging cameras can convert this data into visual images, presenting differences in brightness between areas of different temperatures, thereby providing a unique perspective to observe the world. This technology has wide-ranging applications in many fields, including industry, construction, medicine, security, etc., offering users a more comprehensive and intuitive understanding of the objects under observation.

The Hti-Xintai HT-03 is an ultra-compact and lightweight thermal imaging camera that allows users to see heat signatures and measure surface temperatures from -4°F to 572°F. Its pocketable size, intuitive interface, and affordable price make it a great entry-level option for DIYers, homeowners, and hobbyists looking to discover the capabilities of thermal imaging. This review covers the key features, image quality, ease of use, and overall value of the HT-03 thermal camera.

 Hti-Xintai  HT-03 Thermal Imaging Camera


  • Brand: Hti-Xintai
  • Model: HT-03
  • Type: Handheld thermal imaging camera
  • Key features: 80x60 IR resolution, 51°x63.5° field of view, -4°F to 572°F temperature range, 9Hz refresh rate

Technical Background

A thermal imaging camera operates based on the principle of infrared radiation. Its working principle is based on the fact that objects emit different intensities of infrared radiation at different temperatures. The thermal imaging camera detects and converts these radiation signals into images, displaying the temperature distribution of objects. Its key technical indicators include resolution, temperature measurement range, sensitivity, etc. Resolution determines the clarity of the image, the temperature measurement range determines the applicable scenarios of the instrument, and sensitivity determines the instrument’s ability to detect temperature differences. These indicators collectively determine the performance of the thermal imaging camera, and users need to choose according to their actual needs when purchasing.

Design and Build Quality

Despite its small size (8.89x3.78x2.83 inches), the HT-03 feels sturdy thanks to its durable plastic housing. It’s lightweight at 0.81 lbs and truly pocket-sized. The 2.8” color LCD display is crisp and easy to view. The user interface uses large icons and text for effortless navigation. The camera houses a built-in rechargeable battery that provides 2.5 hours of continuous use.

 Hti-Xintai  HT-03 Thermal Imaging Camera

Image Quality and Performance

For its price range, the HT-03 produces decent 80x60 resolution thermal images. The 51° x 63.5° field of view captures a wide scene for analysis. The temperature measurement range of -4°F to 572°F is sufficient for most building inspection and electrical applications. The 9Hz refresh rate results in smooth, real-time thermal video footage. The camera accurately measured surface temperatures within ±2°C/±2% during testing.

Ease of Use

The HT-03 is designed for simple, intuitive operation. Users can easily adjust temperature scale, color palettes, emissivity, image mode, etc. The camera combines thermal and visual light images for better context. All essential parameters like min/max/center temperatures are displayed onscreen. Auto hot/cold spot tracking highlights anomalies. The user interface includes 10 languages.

 Hti-Xintai  HT-03 Thermal Imaging Camera


At 0.81 lbs with a pocketable form factor, the HT-03 is highly portable. The rechargeable battery lasts 2.5 hours on a charge. The camera powers up quickly for on-demand use. It can be slipped into a pocket or bag for inspections and troubleshooting on the go. The included protective pouch adds convenience.


The 80x60 IR resolution limits very fine detail detection. The fixed-focus lens lacks manual focus adjustment. There is no onboard storage or WiFi/Bluetooth connectivity. Accuracy is limited compared to higher-end thermal cameras. The operating temperatures only go up to 104°F.

 Hti-Xintai  HT-03 Thermal Imaging Camera

Application Fields

In the medical field, thermal imaging cameras can be used to diagnose abnormal body temperatures, detect inflammation, and locate infection sites, etc. In the firefighting field, they can be used to quickly locate fire sources and hotspots, guiding firefighters in firefighting and rescue operations. In the industrial field, they can be used to monitor equipment operation status, identify electrical faults, etc. Additionally, thermal imaging cameras are widely used in construction, security, military, and other fields, providing users with more comprehensive and accurate information to help them make informed decisions.

Applicable Uses

  • Building inspection
  • Home maintenance
  • Electrical repairs
  • HVAC troubleshooting
  • Automotive repairs
  • Finding heat loss/air leaks


  • Compact and lightweight
  • Affordable price
  • Intuitive touchscreen interface
  • Good image quality for the price
  • Wide temperature measurement range


  • Lower resolution than premium models
  • No onboard storage or wireless connectivity
  • Fixed focus lens
  • Max operating temp only 104°F


The HT-03 thermal camera sells for $219 on Amazon. This is very affordable compared to higher-end models priced in the $500 to $5000 range. Extra value is provided by the included accessories like a power adapter, USB cable, and protective pouch.


For the price, the Hti-Xintai HT-03 packs respectable thermal imaging performance and intuitive use into an ultra-compact camera. It’s a great entry-level model for DIY, home inspection, HVAC, automotive, and electrical applications. The pocketable size and rechargeable battery provide portability. Minor drawbacks aside, the HT-03 gives buyers an affordable way to explore the capabilities of thermal imaging.

Future Prospects

With the continuous advancement of science and technology, thermal imaging technology will be further expanded and deepened in various fields. In the future, we can expect continuous improvement in the resolution, sensitivity, and portability of thermal imaging cameras, making them more suitable for various complex environments and scenarios. At the same time, with the continuous integration of technologies such as artificial intelligence and big data, thermal imaging technology will become more intelligent and popularized, bringing more convenience and innovation to people’s lives and work.


  • IR resolution: 80 x 60 pixels
  • Temperature range: -4°F to 572°F
  • Thermal sensitivity: \<50mK
  • Field of view: 51° x 63.5°
  • Image frequency: 9Hz
  • Focus: Fixed 15.7 inch
  • Display: 2.8 inch color LCD
  • Battery: Built-in rechargeable 18650
  • Dimensions: 8.89 x 3.78 x 2.83 inches
  • Weight: 0.81 lbs

Box Includes

  • HT-03 thermal camera
  • Power adapter
  • USB cable
  • Protective pouch
  • User manual

How to Use

  1. Charge the built-in battery via the power adapter
  2. Turn on the camera and adjust settings as needed
  3. Point the camera at the target surface and view the live thermal image
  4. Adjust the color palette and temperature scale as desired
  5. Touch area on screen to spot measure temperatures
  6. Capture images and video by pressing the shutter button
  7. Transfer files to a computer via the USB cable and included software