UNI-T UTi89 Pro Thermal Camera - Accurate and Durable Infrared Imager

Published on Aug. 2, 2023, 1:15 p.m.

The UNI-T UTi89 Pro is an excellent thermal imaging camera with 80x60 IR resolution and a 2.8” color display. Its durable construction, accurate temperature measurements, and versatile software make it a great choice for professionals and hobbyists alike. In this review, we’ll take a close look at the key features and performance of this thermal imager.

UNI-T UTi89 Pro


The UTi89 Pro captures infrared heat radiation and converts it into visible images you can analyze for hot or cold spots. With a temperature range from -4°F to 752°F, it detects subtle temperature differences down to 150mK sensitivity. The 80x60 IR resolution provides decent image quality, while the 320x240 display lets you view images clearly.

Key Features

  • 80x60 IR resolution
  • 150mK thermal sensitivity
  • 2.8” color LCD display
  • Wide -4°F to 752°F temperature range
  • Built-in rechargeable battery
  • IR analysis software included

Design and Build Quality

Enclosed in a durable IP65 rated plastic case, the 0.9 lb UTi89 Pro easily withstands 2 meter drops. Large rubber overmolds on the corners absorb shocks, and the textured grip makes it easy to hold. The intuitive interface uses just 2 buttons, keeping operation simple.

Image Quality and Features

Considering its affordable price point, the UTi89 Pro produces respectable image quality. You can choose between 5 color palettes to best suit your viewing needs. Three on-screen measurement options - center spot, hot spot tracking, and custom ROI - provide temperature data for critical areas. Images and data can be saved to the included 16GB microSD card.

Features and Measurements

The UTi89 Pro offers several handy features for thermography work. Users can choose from 5 different color palettes to best view the thermal data. Three measurement options are also available: center spot, high temperature tracking, and custom ROI (region of interest). These allow important areas to be monitored and measured precisely.

Temperature range spans from -10°C to 400°C, suitable for most building, mechanical, and electrical applications. For convenience, both metric and imperial units are supported.

Usability and Software

In terms of usability, the UTi89 Pro is designed for simple one-handed operation. Navigating menus and settings is straightforward with the arrangement of buttons.

The thermal imager also connects to PC software via USB-C cable for image analysis, reporting, and real-time viewing. The software adds value and expands the capabilities of the camera.

Battery Life

The built-in rechargeable battery lasts over 5 hours per charge. You can extend runtime by using a power bank, or quickly top up the battery thanks to fast charging support. The auto power-off function prevents accidentally draining the battery.

 UTi89 Pro


  • Building inspection
  • HVAC maintenance
  • Electrical inspection
  • Locating heat loss/gain
  • Research and science experiments

User Feedback

The UNI-T UTi89 Pro thermal camera has received largely positive feedback from customers. Here are some key points:


  • Provides very clear thermal images for the price
  • Intuitive and easy to use right out of the box
  • Rugged, durable construction can withstand 2 meter drops
  • Rechargeable battery lasts 5+ hours per charge
  • Different color palettes make it easy to analyze images
  • PC software adds expanded analysis capabilities


  • Lower IR resolution compared to more expensive models
  • Small lag when panning the camera
  • Software is Windows only, no Mac support
  • Optional wide angle lens sold separately

The majority of customers find the image quality impressive for the price point. They highlight the accurate temperature measurements, adjustable palettes, and helpful spot indicators. Most users are able to get started without needing the manual. The rugged, IP65 rated body stands up well to field use. Battery life is rated as excellent.

In summary, the UNI-T UTi89 Pro provides reliable thermal imaging at an affordable price point. It’s a great entry-level option suitable for building, electrical, and mechanical applications. The combination of image quality, durability, and ease of use makes this a top choice for the price.


The UTi89 Pro costs approximately $260 on Amazon. This is very affordable compared to higher-end thermal imagers that can cost thousands. Extra batteries are available for around $20.


For the price, the UNI-T UTi89 Pro thermal camera provides excellent value. It’s a versatile, durable, and accurate infrared inspection tool suitable for building maintenance, HVAC, electrical systems, and more. Just don’t expect the image clarity of more expensive thermal cameras. Overall, it’s easy to recommend the UTi89 Pro as a budget-friendly option for both DIY and professional users.

UNI-T UTi89 Pro thermal camera


  • Infrared resolution: 80 x 60 pixels
  • Infrared thermal sensitivity: ≤150 mK
  • Temperature range: -10°C to 400°C (14°F to 752°F)
  • Thermal accuracy: ±2°C or ±2% of reading
  • Image frequency: 9 Hz refresh rate
  • Focus: Fixed focus, minimum focus distance 10 cm
  • Field of view: 50° x 38°
  • Display: 2.8 in 320 x 240 color LCD
  • Image palettes: Iron, Rainbow, White Hot, Hot Metal, Arctic
  • Image mode: Infrared, visual, MIFusion (merged IR and visual)
  • Storage: 16 GB micro SD card, USB disk mode
  • Battery: Built-in rechargeable 3.7V 2600mAh Li-ion battery
  • Battery life: >4 hours continuous operation
  • Charging: USB-C charging
  • Operating temperature: -10°C to 50°C (14°F to 122°F)
  • Storage temperature: -40°C to 70°C (-40°F to 158°F)
  • Dimensions: 204 x 77 x 84 mm (8.0 x 3.0 x 3.3”)
  • Weight: 340 g (0.75 lbs)
  • Protection rating: IP65 water and dust resistance
  • Warranty: 2 years

What’s in the Box

The UTi89 Pro comes packaged with the thermal imager, wrist strap, USB-C cable, 16GB microSD card, paper manual, and software CD.

How to Use

After charging the battery, power on the UTi89 Pro and point it at the target surface. Adjust the temperature scale or color palette as needed. Use the buttons to save images or activate measurement tools like center spot. Connect to a PC via USB-C to analyze images in more detail with the included software.

Frequently Asked Questions about the UNI-T UTi89 Pro Thermal Camera Imager

1. What are the key features of the UNI-T UTi89 Pro Thermal Camera Imager?

The UNI-T UTi89 Pro Thermal Camera Imager is a versatile and affordable tool for a variety of applications, including:

  • Construction: Inspecting insulation, detecting moisture intrusion, and identifying structural defects.
  • Electrical: Troubleshooting electrical circuits, detecting overheating components, and inspecting power lines.
  • HVAC: Identifying leaks, tracing ductwork, and inspecting equipment.
  • Mechanical: Monitoring machinery for signs of wear or overheating, inspecting bearings and seals, and troubleshooting mechanical problems.

Key features of the UNI-T UTi89 Pro Thermal Camera Imager include:

  • 80 x 60 infrared resolution with a thermal sensitivity of ≤150mk
  • 2.8-inch TFT LCD display with 320 x 240 pixel resolution
  • 5 color palettes for different viewing modes
  • Wide temperature range of -10°C to 400°C
  • 3 measurement features: center spot, high-temp tracking, and ROI (region of interest)
  • IP65 rating for dust and water resistance
  • 2-meter drop durability
  • USB-C charging and long battery life

2. What are some of the benefits of using the UNI-T UTi89 Pro Thermal Camera Imager?

The UNI-T UTi89 Pro Thermal Camera Imager offers a number of benefits, including:

  • Non-contact temperature measurement: The thermal imager allows you to measure the temperature of objects without touching them, which can be helpful for safety and convenience.
  • Visualize heat patterns: The thermal imager can help you to visualize heat patterns, which can be helpful for identifying problems that may not be visible to the naked eye.
  • Quickly and easily troubleshoot problems: The thermal imager can help you to quickly and easily troubleshoot problems, which can save time and money.
  • Versatile and affordable: The thermal imager is a versatile tool that can be used for a variety of applications, and it is offered at an affordable price.

3. What are some of the limitations of the UNI-T UTi89 Pro Thermal Camera Imager?

The UNI-T UTi89 Pro Thermal Camera Imager is a powerful tool, but it does have some limitations, including:

  • Image quality: The image quality of the thermal imager is not as good as some higher-end models.
  • Low-temperature sensitivity: The thermal imager is not as sensitive to low temperatures as some higher-end models.
  • Limited features: The thermal imager does not have some of the features that are found on higher-end models, such as image fusion and built-in analysis software.

4. How do I use the UNI-T UTi89 Pro Thermal Camera Imager?

The UNI-T UTi89 Pro Thermal Camera Imager is easy to use. To use the thermal imager:

  1. Turn on the thermal imager.
  2. Select the desired color palette.
  3. Use the joystick to navigate the menu and adjust the settings.
  4. Point the thermal imager at the object you want to measure.
  5. Press the trigger to capture an image.
  6. View the image on the display.

5. Where can I buy the UNI-T UTi89 Pro Thermal Camera Imager?

The UNI-T UTi89 Pro Thermal Camera Imager can be purchased from a variety of online and offline retailers, including:

  • Amazon
  • eBay
  • Home Depot
  • Lowes
  • Grainger

Tips for using the UNI-T UTi89 Pro Thermal Camera Imager:

  • Use the thermal imager in a dark environment. This will help you to get the best image quality.
  • Allow the thermal imager to warm up for a few minutes before use. This will help to improve the accuracy of the temperature measurements.
  • Use the center spot, high-temp tracking, and ROI measurement features to get more precise temperature measurements.
  • Use the included software to analyze the images and create reports.