XGUANMETER HT-19 Infrared Thermal Imager

Published on Aug. 25, 2023, 6:35 p.m.

The XGUANMETER HT-19 is a high-resolution handheld infrared thermal imager designed for professionals who need accurate temperature measurement and thermal imaging. With a robust 76,800 pixel sensor, ergonomic design, and onboard storage, this device aims to make thermal inspections efficient and detailed. This review will examine the key features and performance of the HT-19 thermal camera.
 XGUANMETER HT-19 320 x 240 IR Resolution Infrared Thermal Imager


The XGUANMETER HT-19 thermal imager captures crisp thermal images and data with its 320 x 240 IR sensor. The camera displays images on a bright 3.2” color LCD screen, allowing the user to easily see hot and cold spots during inspections. The lightweight, pistol-grip design makes the HT-19 comfortable for extended use. Key specs include temperature range of -4°F to 1202°F, accuracy of ±2.5°F, and 5 palette options.

Key Features

  • 320 x 240 IR resolution
  • Temperature range -4°F to 1202°F
  • ±2.5°F temperature accuracy
  • 3.2” color LCD display
  • 5 color palettes
  • 76,800 pixel sensor
  • Lightweight 1.1 lb pistol-grip design
  • 9+ hour battery life

 XGUANMETER HT-19 320 x 240 IR Resolution Infrared Thermal Imager

Image Quality and Features

With a 76,800 pixel sensor, the HT-19 produces detailed thermal images that make it easy to identify temperature inconsistencies. The five color palettes (rainbow, iron red, cold, black/white, white/black) allow users to customize the appearance as needed. Image quality remains solid even in low light conditions. The HT-19 also captures visible light images with its built-in digital camera.

For storage and transfer, the HT-19 has 3GB of internal memory that can hold over 10,000 images. It also has a micro SD card slot for additional external memory. Images and video can be offloaded via USB cable to a computer for analysis and reporting.

Ergonomics and Battery Life

Weighing just 1.1 lbs, the pistol-grip design of the HT-19 provides a comfortable, natural feel during inspections. The rubber coating allows for a solid grip. The intuitive button layout allows for easy one-handed operation, even while wearing gloves.

Battery life is impressive at over 9 hours of use per charge. This allows for full inspections without having to worry about running out of power halfway through. The rechargeable lithium-ion battery charges quickly as well.
 XGUANMETER HT-19 320 x 240 IR Resolution Infrared Thermal Imager

Performance for Professionals

The XGUANMETER HT-19 thermal imager delivers excellent performance for building inspectors, HVAC technicians, firefighters, and other professionals. The image clarity and temperature accuracy provide the details needed to identify heat leaks, air flow issues, moisture problems, electrical faults, and more. The generous battery life supports extended field work. And the robust design stands up to rigorous daily use.

Use Cases

The HT-19 thermal camera is ideal for:

  • Building inspections - Find insulation gaps, air leaks, moisture
  • HVAC inspection - Check heat exchangers, ductwork, vents
  • Electrical inspections - Identify hot spots and faults
  • Firefighting - See through smoke to find hotspots
  • Automotive - Diagnose overheating and electrical issues

Pros and Cons


  • Crisp, high-res 76K pixel images
  • Accurate temperature data ±2.5°F
  • Lightweight and comfortable grip
  • Intuitive controls and menus
  • Great value for a professional-grade thermal cam


  • Menu system has a learning curve
  • Lacks on-screen text annotation

Price and Value

With an MSRP of $419, the HT-19 provides excellent value for a mid-range professional thermal imager. The image clarity, temperature accuracy, ergonomic design, and robust feature set make this reasonably priced given the performance. Lower-priced models compromise on image quality and durability.
 XGUANMETER HT-19 320 x 240 IR Resolution Infrared Thermal Imager


With its high-resolution 76,800 pixel sensor, ergonomic pistol-grip shape, long battery life, and extensive onboard storage, the XGUANMETER HT-19 thermal imager provides reliable, efficient performance for professionals who rely on thermal inspections. The image quality and temperature accuracy produce actionable data to diagnose problems and guide repairs. Overall, the HT-19 is an excellent infrared camera for maximizing productivity.


  • Sensor: 76,800 pixels, uncooled microbolometer
  • IR resolution: 320 x 240 pixels
  • Thermal sensitivity: \<50 mK
  • Temperature range: -4°F to 1202°F (-20°C to 650°C)
  • Temperature accuracy: ±2.5°F (±1.5°C)
  • Frame rate: 50Hz
  • Focus: Manual focus
  • Field of view: 57° x 44°
  • Image palettes: Rainbow, iron red, cold, black/white, white/black
  • Image capture: JPG to internal memory (3GB included)
  • Video recording: AVI and IRV to internal memory
  • Display: 3.2 inch 320x240 color LCD
  • Battery: Rechargeable lithium-ion, 9+ hrs operation
  • Power saving: Automatic shutdown after 20 min idle
  • Storage: 3GB onboard memory, Micro SD card slot
  • Connectivity: USB 2.0, HDMI video out
  • Operating temperature: -4°F to 122°F (-20°C to 50°C)
  • Storage temperature: -4°F to 140°F (-20°C to 60°C)
  • Dimensions: 9.8 x 3.1 x 4 inches (250 x 80 x 103 mm)
  • Weight: 1.1 lbs (500 g)

What’s Included

The HT-19 thermal imager comes with:

  • HT-19 infrared camera
  • Rechargeable lithium-ion battery
  • Battery charger
  • USB cable
  • Printed quick start guide
  • Hard carrying case
  • 3GB Micro SD card

How to Use

  • Charge battery fully before first use
  • Turn on camera with power button
  • Adjust palette and settings as needed
  • Point lens at target and scan for hot/cold spots
  • Use focus wheel to sharpen image
  • Trigger to capture images and video
  • Transfer files to computer via USB for analysis
  • Use included software to analyze images and create reports

Frequently Asked Questions

1. What is the image resolution of the XGUANMETER HT-19?

Answer: The image resolution of the HT-19 is 320 x 240 pixels, which means that the camera can capture thermal images with 76,800 pixels (320 x 240).

2. Does the XGUANMETER HT-19 have internal memory?

Answer: Yes, the HT-19 has 3GB of internal memory, which can store over 10,000 thermal images.

3. What type of battery does the XGUANMETER HT-19 use?

Answer: The HT-19 uses a lithium-ion battery that can last up to 9 hours.

4. What is the XGUANMETER HT-19 suitable for?

Answer: The HT-19 is suitable for various inspection and diagnostic tasks, such as home inspection, HVAC inspection, plumbing, and more.

5. What comes with the XGUANMETER HT-19?

Answer: The HT-19 comes with a thermal imager, user manual, and USB cable.

Usage Tips

  • Read the user manual carefully before use.
  • Fully charge the battery before use.
  • Select the appropriate shooting mode for the task.
  • Adjust the lens to get a clear image.
  • Record thermal images and videos as needed.
  • Transfer thermal images and videos to a computer for further analysis.


  • Use the HT-19 in low-light conditions for the best thermal images.
  • Adjust the camera temperature to suit the environment.
  • Use a tripod for clear thermal images.
  • Clean the camera lens regularly.