HTI HT-301 Mobile Phone Thermal Imager Review

Written By Kim Goodwin is reader supported. When you buy through links on our site, we may earn an affiliate commission at no cost to you.

Nowadays most of us can’t imagine our life without a smartphone, it becomes an essential gadget.

There are many mobile applications that allow users to experience different features that are earlier only available in specific tools like, camera, video editing, night vision, thermal imaging, etc.

Here we are going to review one of those modern mobile attachments that can convert your smartphone into a thermal imaging camera.

HTI Ht-301 mobile thermal imager, a second-tier tool in your smartphone is like updating the performance of your smartphone.

The Dongguan Xintai Instrument Co.Ltd manufactures these HTI thermal imaging cameras.

This thermal imager has the most powerful thermal resolution accessory with the IR sensor resolution of 384 x 288 and it detects the temperature range between -20 ° C and 400 ° C.

You can quickly connect this thermal imaging camera to your smartphone using the USB port.

This thermal imager has a compact design and it relies on mobile for battery so you can carry the imager everywhere.

It is one of the innovative products from The Dongguan Xintai instrument co.Ltd that gives the solution to technological issues and everyday problems.

Other than mobile thermal imagers, Dongguan Xintai produced more thermal vision products like sound level meters, industrial thermal imaging cameras, and thermometers.

HTI HT-301 Mobile Phone Thermal Imager Review


HTI HT 301 thermal imager comes with a compact design that easily fits in your pocket. With a USB connection, it works with all Android Mobile Phones and it does not design for iOS.

The thermal imager has an advanced lens fitted on its face. You can easily handle the mobile and the imager on one hand.

Higher Thermal Resolution

HTI Ht-301 comes with 384 x 288 IR thermal resolution with that it measures the energy losses, surrounding heat and spots electrical issues.

The framerate of this imager is 25 Hz which is higher than some of the medium range thermal cameras, so you can get very clear real-time images and videos.

HD Infrared Resolution

Color Palettes

The HT-301 contains six different types of color palettes, the black and white color provides clear and accurate real-time images.

The three different types of rainbow colors enable you to view pictures in the spectrum of color more efficiently. Gray and iron color is useful for wider analysis.

Color Palettes of HTI HT-301 Thermal Imager


You can easily save the images and videos on your smartphone for later viewing risking the quality. When you’re seeing the images in real-time the imager provides clarity and more accuracy.

HTI HT-301 Thermal Imager allows the user to adjust the focus manually


As the HTI HT-301 thermal camera comes 1, 10, 592 pixels total resolution and it can increase image accuracy.

The lens gives flexibility if you’re viewing various objects. The 13mm lens provides you a deeper aspect that has a flexible focus ability.

Brand 1
Brand 2 
HTI HT-301


This thermal imager does not have batteries, it powered by mobile phone to which it directly connected using a USB port. So as long as your mobile is working, the imager will do thermal detection.

Dimension and Material

The HT-301 is made with high-quality lightweight materials and the dimension of the imager is 0.2″ x 0.2 ” x 0.1″. The weight of the mobile thermal camera is only nine ounces.

The HT-301 has a protective coating that blocks abrasions and scratches from destroying the imager. This thermal imager withstands all weather conditions and is durable.

Various Functions of HTI HT 301

Thermography Settings

For thermal imaging and detection, it has a few settings such as distance, humidity, correction, emissivity and Amb temp.

Color Palettes 

It has 6-color palettes, you can switch to different colors based on your environment.

Other Function Settings

A few other settings that you can’t see in most of the mobile thermal imagers are optional temperature measurement range, Temperature unit switching, language selection, and visible light.

Applications of HTI HT 301

  • Electrical Circuit Inspections
  • HVAC checks
  • Animal hunting
  • Cold and Hot Spots on Roof
  • Sighting in the dark


The electrical faults are one of the major problems in the home and large buildings, these problems are hidden to the natural eye so you can use HT-301 to view hot spots as thermal images before they lead into a critical issue.

HVAC Checks

You can use this thermal imager in HVAC inspection. It easily detects and identifies the pipe leaks and water leaks. The HT-301 can quickly identify the actual heat of the pipe transmitted by the surface.

Animal Hunting

The HT-301 can detect the objects from long-distance so you will aware of your prey movements thus you will get the best shots.

HT-301 vs HT-201: How They Are Different?

Both thermal imagers were produced by Dongguan Xintai. The HT-301 comes with 384 x 288 IR resolution while the HT-201 has a 320 x 240 px thermal sensor.

The frame rate of the HT301 is higher than HT-201. Both thermal imagers were equally durable but the HT-301 is an advanced version in HT series and it has more advanced features than HT-201.

Quick Comparison of HT 301 and HT 201

Final Words

This HTI HT-301 Mobile Phone Thermal Imager is an advanced thermal imager for android and a perfect tool for quick home inspections.

This thermal imager helps to detect the pipe leaks, hot/cold spots, insulated roofing, moisture in door and windows. It is simple to use and it has a manual focusing mode too.

I hope you have got some new information about HTI HT-301 thermal imager here. Share your experience of using thermal imagers with a smartphone here.

About Kim Goodwin

Kim Goodwin holds a Master's in thermal engineering from the University of Rhode Island. At Thermo Gears, she reviews most equipment that uses thermal imaging technologies.

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