
UNI-T UTi384J Professional Thermal Imager | Advanced Industrial Diagnostics
The UNI-T UTi384J is a high-precision thermal imaging solution designed specifically for professional industrial applications. Featuring a sophisticated 384×288 pixel infrared detector, 8MP digital camera, and advanced multiple focusing modes, this thermal imager provides unparalleled thermal visualization and diagnostic capabilities with its classic "hammer" design.
Professional-Grade Thermal Imaging Technology
Engineered with cutting-edge thermal imaging technology, the UTi384J delivers exceptional performance across diverse industrial and diagnostic fields. Its 30Hz infrared frame rate enables fast and accurate temperature data collection, making it an indispensable tool for professionals who demand the highest level of thermal analysis.
Key Features
- High-Resolution 384×288 Pixel Infrared Detector
- Super Resolution Upgrade to 768×576 Pixels
- 8MP High-Definition Digital Camera
- Multiple Focusing Modes:
- Manual Focus
- Automatic Focus
- Touch Autofocus
- Continuous Autofocus
- Interchangeable Lens System with Optional Lenses
- 10x Digital Magnification
- Extensive Color Palette Options
- Advanced Imaging Features:
- Level & Span Mode
- Image Outline
- Panoramic Stitching
- Dual-Light Video Recording
- Comprehensive Annotation Capabilities
- Wi-Fi Live Streaming
Advanced Thermal Imaging Technology
The UTi384J represents the pinnacle of thermal imaging technology, featuring a sophisticated infrared detector with exceptional capabilities. Its 30Hz frame rate and ≤40mK thermal sensitivity enable precise temperature detection across a wide range of applications. The super resolution feature enhances image clarity, upgrading the base 384×288 pixel resolution to an impressive 768×576 pixels.
Multiple focusing modes provide unprecedented flexibility, allowing users to capture perfect thermal images in various scenarios. From manual adjustments to touch autofocus and continuous tracking, the UTi384J adapts to the most challenging diagnostic environments.
UTi384J vs UTi640J: Key Differences
| Feature | UTi384J | UTi640J |
|---|---|---|
| Infrared Resolution | 384 × 288 pixels | 640 × 480 pixels |
| Super Resolution | 768 × 576 pixels | 1280 × 960 pixels |
| Digital Camera Resolution | 8MP | 13MP |
| Digital Zoom | 1.1x to 10x | 1.1x to 20x |
| On-Screen Analyzer | 10 Points/10 Lines/10 Rectangles/10 Circles | 16 Points/16 Lines/16 Rectangles/16 Circles |
| Operating Time | ≥5 hours (with Wi-Fi off) | ≥4 hours (with Wi-Fi off) |
The UTi640J represents a significant upgrade from the UTi384J, offering higher resolution, more advanced imaging capabilities, and enhanced analytical tools. While both cameras share similar core technologies, the UTi640J provides professionals with more detailed thermal and visual imaging.
Professional Applications
Industrial Equipment Diagnostics
Maintenance professionals can leverage the UTi384J's advanced thermal imaging to detect potential equipment failures before they occur. The high-resolution imaging and multiple lens options enable comprehensive analysis of machinery performance across various industrial settings.
Electrical Systems Inspection
Electrical engineers can use the thermal imager to identify hotspots, loose connections, and potential electrical hazards. The wide temperature measurement range and high sensitivity make it ideal for detecting subtle temperature variations in electrical systems.
Precision Manufacturing
Manufacturing quality control teams can utilize the UTi384J's advanced features like panoramic stitching and detailed temperature tracking to ensure consistent production processes and identify potential manufacturing defects.
Research and Development
Researchers benefit from the camera's comprehensive annotation capabilities, multiple image modes, and extensive color palettes. The ability to capture thermal data with 8MP visual images provides unparalleled insights for scientific and technical investigations.
Interchangeable Lens System
IMPORTANT NOTE: Lenses must be factory calibrated. If purchasing additional lenses after the initial camera purchase, the device will need to be sent back to the factory for calibration.
| Lens Model | Focal Length | Field of View | Purchase Link |
|---|---|---|---|
| Standard Lens | 10.5mm | 25°×19° | Included with Camera |
| UT-Z018 Wide-angle Lens | 6.0mm | 44°×34° | Purchase Wide-angle Lens |
| UT-Z019 Medium Tele Lens | 17.5mm | 15°×11° | Purchase Medium Tele Lens |
| UT-Z020 Tele Lens | 37.5mm | 7°×5° | Purchase Tele Lens |
| UT-Z021 High-Temp Lens | - | 25°×19° | Purchase High-Temp Lens |
Lens Calibration Warning: Each additional lens requires factory calibration. If you purchase a lens after acquiring the camera, the device must be sent back to the factory to ensure proper calibration and optimal performance.
Professional Insights
"The UTi384J has transformed our predictive maintenance approach. Its ability to switch between different lenses and capture incredibly detailed thermal images has helped us identify potential equipment failures weeks before they would have been visible with our previous tools."
— Michael Rodriguez, Senior Maintenance Engineer, Industrial Solutions Inc.
"As an electrical systems inspector, I'm impressed by the UTi384J's precision. The super resolution and multiple focusing modes allow me to capture thermal details I never thought possible. The annotation features have significantly improved our diagnostic reporting."
— Elena Chen, Lead Electrical Systems Inspector, National Grid Technologies
"We use the UTi384J in our R&D lab for thermal performance analysis. The interchangeable lens system and comprehensive imaging modes provide us with unprecedented insights into material and component thermal characteristics."
— Dr. Alexander Wong, Research Director, Advanced Materials Laboratory
Frequently Asked Questions
What makes the UTi384J unique among thermal cameras?
The UTi384J stands out with its 384×288 pixel infrared resolution, super resolution upgrade to 768×576 pixels, and multiple focusing modes. Its interchangeable lens system and comprehensive feature set make it a versatile tool for professionals across various industries.
How does the interchangeable lens system work?
The UTi384J features an automatic lens recognition system that allows users to switch between different lens types for various applications. However, it's crucial to note that any additional lenses must be factory calibrated to ensure optimal performance.
What are the advantages of the multiple focusing modes?
The camera offers four focusing modes: Manual, Automatic, Touch autofocus, and Continuous autofocus. This flexibility allows users to quickly adapt to different inspection scenarios, from close-up detailed examinations to capturing thermal data of distant targets.
Can I use the UTi384J in challenging environments?
Yes, the camera is designed for professional use with an IP54 rating and 2-meter drop resistance. Its robust construction, combined with a 5-hour battery life and comprehensive protection features, makes it suitable for industrial and field applications.
What annotation capabilities does the UTi384J offer?
The camera supports comprehensive annotation with text, voice, and image options. This feature allows professionals to add detailed context to their thermal images, improving documentation and analysis capabilities.
Frequently Asked Questions
What is Super Resolution / Super IR technology?
Super Resolution (or Super IR) is UNI-T's image enhancement technology that uses algorithmic processing to increase the effective resolution of thermal images beyond the native IR detector resolution. For example, a 256×192 native detector can produce enhanced 512×384 images. This provides more detail for identifying small thermal anomalies without increasing hardware cost.
Can I generate reports from the UTi384J?
Yes. UNI-T provides free PC analysis software for generating professional thermal inspection reports. Images can be transferred via USB, Wi-Fi (on supported models), or SD card. The software supports temperature analysis, annotation, and PDF report generation.
What's included with the UTi384J?
The UTi384J ships with the thermal imager, lithium battery, USB charging cable, carrying case, and user manual. UNI-T provides a 3+2 warranty (3 years standard plus 2 additional years with free registration—5 years total) on professional thermal imagers.
Warranty
This product includes a standard 1-year warranty covering manufacturing defects and component failures under normal use conditions.
UNI-T stands behind every product we sell. If you experience any issues within the warranty period, our US-based support team is here to help with troubleshooting, repair, or replacement.
Data Sheets and Manuals
Software / Firmware Downloads
Authentic UNI-T accessories are an affordable way to extend the functionality of your instrument.
Other Accessories 7

UT-Z018 Wide-Angle Lens for UNI-T UTi384J Thermal Imager
$1,200.00
UT-Z019 Medium-Tele Lens for UNI-T UTi384J Thermal Imager
$1,200.00
UT-Z020 Tele Lens for UNI-T UTi384J Thermal Imager
$2,400.00
UT-Z021 High-Temp Lens for UNI-T UTi384J Thermal Imager
$2,400.00
Level 1 Thermography Course - In-Person
$2,250.00
Level 1 Thermography Course - Online-Live
$2,250.00