UNI-T UTi120T Pocket Thermal Imager | Compact Troubleshooting Solution

Overview

The UNI-T UTi120T pocket thermal imager delivers essential thermal imaging capabilities in an ultra-compact, ergonomic design that fits perfectly in your palm. Ideal for entry-level thermography applications in building diagnostics, automotive maintenance, and electrical equipment inspection, this portable thermal camera provides fast fault detection without the complexity and cost of larger systems.

Featuring a responsive 3.5" touch display screen with 320×240 resolution, the UNI-T UTi120T delivers clear visualization of thermal patterns. With Wi-Fi connectivity for seamless data transmission and analysis, this accessible thermal imager helps technicians improve their working efficiency when diagnosing problems across various industries.

The UTi120T combines 120×90 IR resolution with 60mK thermal sensitivity to deliver reliable thermal imaging performance in a pocket-sized package that's always ready when you need to quickly identify potential issues invisible to the naked eye.

Key Features

• Portable Thermal Imaging - 120×90 IR resolution with 17μm pixel size for effective fault detection
• Good Thermal Sensitivity - 60mK NETD detects significant temperature differences for reliable diagnostics
• Versatile Image Modes - Thermal, Visual, Fusion, and PIP (picture-in-picture) viewing options
• Basic Measurement Tools - Center point and rectangular measurement area for temperature evaluation
• Isotherm Analysis - Auto/Manual settings for enhanced temperature visualization
• Temperature Alarms - LCD animation & LED flashlight alerts for abnormal conditions
• Wi-Fi Connectivity - Wireless data transmission for simplified reporting and analysis
• Digital Zoom - 1.0-8× continuous zoom for closer inspection of specific areas
• Compact Design - IP54 rated with 1-meter drop protection for reliability in field environments
• Internal Storage - 4GB internal memory for storing thousands of thermal images
• Long Battery Life - ≥2 hours of continuous operation (with Wi-Fi off) from rechargeable Li-ion battery
• Lightweight Portability - Weighs just 213g with dimensions of 133.05mm×85.4mm×24.1mm
• LED Illumination - Built-in LED light for operations in low-light environments
• Standard ¼" Tripod Mount - For fixed monitoring of temperature changes
• Multiple Color Palettes - White Hot, Black Hot, Ironbow, Hot Iron, Arctic, Medical for optimal visualization

UNI-T UTi120T Details

Practical Thermal Imaging Technology

The UNI-T UTi120T features a functional infrared sensor with 120×90 resolution (10,800 temperature points) and 60mK thermal sensitivity that effectively detects significant temperature variations. With 17μm pixel size and 25Hz refresh rate, this thermal imager delivers clear thermal images that help identify problems invisible to the naked eye. The focus-free design ensures you can capture usable thermal images quickly without worrying about manual adjustments, making it ideal for fast inspections.

Essential Measurement Tools

The UTi120T offers practical measurement capabilities with a center point temperature reading and a rectangular measurement area that provides maximum, minimum, and average temperature values within the selected region. High and low temperature tracking automatically identifies the hottest and coldest points in the scene, while the customizable temperature alarm system provides visual alerts when temperatures exceed your defined thresholds, ensuring potential problems aren't overlooked.

User-Friendly Imaging Options

The UNI-T UTi120T provides four imaging modes to match your inspection needs: full thermal view, visual image from the built-in 640×480 digital camera, fusion mode that combines thermal and visual information, and picture-in-picture mode for context-aware inspections. Choose from six color palettes including White Hot, Black Hot, Ironbow, Hot Iron, Arctic, and Medical to optimize visualization for different applications and personal preferences.

Convenient Connectivity

Simplify your workflow with the UTi120T's Wi-Fi connectivity, which enables wireless transfer of thermal images to your mobile device or computer. The included PC and mobile app software allows for detailed image analysis, report generation, and data management. Store thousands of thermal images on the 4GB internal memory and transfer them via the Type-C USB connection for flexible documentation options.

Professional Applications

HVAC Inspection

The UNI-T UTi120T helps HVAC technicians quickly identify energy loss and system inefficiencies. With increasing operation time, air conditioning systems can develop issues such as poor refrigeration, inadequate heat dissipation, or faulty wiring connections that aren't visible to the naked eye. The thermal imager visualizes temperature patterns that reveal the underlying causes of these problems, enabling more efficient diagnosis and repair.

The thermal imager also proves invaluable for underfloor heating system diagnostics. Since heating pipes are concealed beneath flooring materials, conventional inspection would require disruptive and costly exploratory work. The UTi120T non-invasively visualizes temperature distribution across the floor surface, helping identify blockages, leaks, or uneven heating without damaging the structure.

Automotive Maintenance

Automotive professionals find the UNI-T UTi120T especially useful for diagnosing various vehicle systems. Modern automotive components like inverters, chargers, and distributors generate heat patterns that provide insights into their operational status. The thermal imager allows technicians to quickly scan these systems, identifying potential issues before they cause breakdowns.

Engine diagnostics benefit from the UTi120T's ability to visualize temperature variations across cylinder components. When engine components experience excessive friction or combustion issues, the resulting heat patterns appear clearly in thermal images. Similarly, brake system performance can be evaluated by examining brake surface temperatures after operation, highlighting problems like dragging calipers or uneven braking forces that might otherwise go undetected.

Building Diagnostics

Building professionals rely on the UNI-T UTi120T to locate moisture intrusion and air leakage without destructive testing. Traditional detection methods often require opening wall sections to locate problems, while the thermal imager can non-invasively identify areas where water has penetrated or where air is infiltrating based on their distinct temperature signatures.

The thermal imager effectively identifies compromised building insulation and thermal bridges. After prolonged exposure to weather, window seals and insulation materials can deteriorate, leading to energy losses. The UTi120T clearly shows these thermal weaknesses, enabling targeted repairs that improve energy efficiency and comfort. Its measurement capabilities help quantify temperature differences that indicate insulation problems or air leaks around doors, windows, and other building envelope components.

Electrical Inspections

For electrical contractors and maintenance personnel, the UNI-T UTi120T provides an essential safety and diagnostic tool. Electrical connections and components that are overheating due to loose connections, overloads, or impending failures appear distinctly in thermal images. The center point and rectangular measurement tools help identify exactly how hot these components are running, allowing technicians to prioritize maintenance based on severity.

The thermal imager helps detect issues in electrical panels, distribution boxes, and connection points before they lead to system failures or electrical fires. Its compact size allows for scanning in tight spaces, while the battery life ensures it remains operational throughout extended inspection sequences. By incorporating regular thermal scanning into preventive maintenance programs, facilities can significantly reduce the risk of electrical failures and improve system reliability.

Technical Specifications

Parameter	Specification
Display	3.5" TFT Touch (320×240)
IR Resolution	120×90 pixels
Pixel Size	17μm
Frame Rate	25Hz
Thermal Sensitivity	≤60mK
Focus	Focus Free
Field of View	50°(H) × 38°(V)
Temperature Range	-20°C~400°C
Accuracy	≥0°C, ±2°C or ±2% whichever is greater <0°C, ±5°C or ±5% whichever is greater
Color Palettes	White Hot, Black Hot, Ironbow, Hot Iron, Arctic, Medical
Image Modes	Thermal, Visual image, Fusion, PIP
On-Screen Analyzer	1 Point/1 Rectangle
Isotherm	Auto/Manual
Temperature Alarm	LCD animation & LED flashlight
Digital Camera	640×480
Digital Zoom	1.0~8× continuous
Video Recording	—
Wi-Fi / Wi-Fi Live Streaming	√ / —
LED Lighting	√
Bluetooth	—
NFC	—
Analysis Software	PC+APP
Battery	1800mAh rechargeable Li-ion battery
Operating Time	≥2 hours (with Wi-Fi off)
USB	Type-C
Storage	4GB Internal
Image Format	JPG
Video Format	—
Protection	IP54 & 1m drop proof
Certificates	CE, FCC, RoHS
Languages	ZH, EN
Weight	213g
Dimension	133.05mm×85.4mm×24.1mm

Package Contents

• UNI-T UTi120T Thermal Imager
• Soft Carrying Bag
• Wrist Strap
• Type-C USB Cable
• Quick Start Guide

UTi Series Comparison Table

Feature	UTi120T	UTi720T
Display	3.5" TFT Touch (320×240)	3.5" TFT Touch (640×480)
IR Resolution	120×90	256×192
Pixel Size	17μm	12μm
Thermal Sensitivity	≤60mK	≤50mK
Temperature Range	-20°C~400°C	-20°C~550°C
Accuracy	≥0°C, ±2°C or ±2% <0°C, ±5°C or ±5%	±2°C or ±2%
On-Screen Analyzer	1 Point/1 Rectangle	5 Points/1 Line/3 Rectangles/3 Circles
Color Palettes	White Hot, Black Hot, Ironbow, Hot Iron, Arctic, Medical	White Hot, Black Hot, Red Hot, Ironbow, Lava, Rainbow, Rainbow HC
Isotherm	Auto/Manual	Auto/Manual/Above/Below/Section/Ratio
Hi/Lo Temp Alarm	LCD animation & LED flashlight	LCD animation, LED flashlight, Buzzer
Digital Camera	640×480	2MP
Bluetooth	—	√
NFC	—	√
Internal Storage	4GB	12GB
Languages	ZH, EN	EN, FR, DE, ES, IT, SV, PL, CZ

Frequently Asked Questions

Is the UTi120T suitable for home inspection applications?

Yes, the UNI-T UTi120T is well-suited for home inspection applications where basic thermal imaging capabilities are needed. Its 120×90 resolution provides sufficient detail to identify common issues like insulation gaps, air leaks, and moisture intrusion in residential settings. While professional home inspectors conducting detailed energy audits might benefit from the higher resolution of the UTi720T, the UTi120T offers an excellent balance of performance and affordability for general home inspections, DIY energy assessments, and contractors who need occasional thermal imaging capability.

How does the thermal sensitivity of the UTi120T compare to more expensive thermal cameras?

The UTi120T's 60mK thermal sensitivity represents a solid middle ground in the thermal imaging market. While it doesn't match the extreme sensitivity of premium models (which can reach 30mK or lower), the 60mK sensitivity is more than adequate for detecting significant temperature differences in most practical applications. This level of sensitivity can easily identify common problems like overheating electrical components, insulation gaps, and moisture issues. For most maintenance and troubleshooting applications, the difference between 60mK and higher-sensitivity cameras would not significantly impact the ability to diagnose common problems.

What are the advantages of the touch screen interface on the UTi120T?

The 3.5" touch screen interface on the UTi120T significantly improves the user experience compared to button-only thermal imagers. The intuitive touch controls allow users to quickly adjust settings, position measurement tools, and navigate menus without cycling through multiple button presses. This results in faster inspections and less time spent configuring the device. The touch interface is also more accessible for new users, reducing the learning curve and allowing them to become productive more quickly. Even when wearing thin work gloves, the responsive touch screen remains functional for field operations.

Can the UTi120T detect water leaks behind walls?

The UTi120T can detect the temperature effects of water leaks behind walls under the right conditions, though not the water itself directly. When water penetrates building materials, it changes their thermal properties, creating temperature differences that appear in thermal images. These thermal patterns are most visible when the wall is in the process of drying or when there's a temperature difference between the room and the wall cavity. The UTi120T's 60mK sensitivity is capable of detecting these temperature differences in many cases, though very small or inactive leaks may be harder to identify. For best results, scans should be performed during or shortly after the leaking event.

How long does it take to become proficient with the UTi120T?

Most users can become functionally proficient with the UNI-T UTi120T within a few hours of practice. The intuitive touch interface and straightforward measurement tools make basic operation accessible even to first-time thermal imager users. Within a day of practical use, most technicians can confidently capture useful thermal images and make basic interpretations of common issues. However, developing expertise in thermal pattern analysis for specific applications (like electrical systems or building diagnostics) requires more experience and potentially some application-specific training. The real learning curve isn't in operating the device itself but in correctly interpreting the thermal patterns for different materials and situations.

What's the difference between the fusion mode and picture-in-picture mode?

The fusion mode and picture-in-picture (PIP) mode represent different approaches to combining thermal and visual information, each with distinct advantages. In fusion mode, the UTi120T blends the thermal and visual images across the entire display, allowing you to see thermal data with visual context throughout the entire image. This is particularly useful when you need to precisely locate heat sources within complex equipment or structures. In contrast, PIP mode displays a primarily visual image with a thermal image inset in the center, providing general orientation while focusing thermal analysis on a specific area. PIP mode is often preferred for documentation and reporting, as it clearly shows the overall environment while highlighting the thermal area of interest.

Customer Testimonials

"I purchased the UNI-T UTi120T for my small electrical contracting business, and it's become an essential tool for preventive maintenance inspections. The ability to quickly scan electrical panels and identify overheating connections has saved our clients from potential equipment failures. For the price point, the image quality and measurement accuracy have exceeded my expectations, and the pocket size means I always have it available when needed."

"As a home inspector, I needed an affordable thermal camera that could help identify insulation issues and moisture problems without breaking the bank. The UTi120T has been the perfect solution – it clearly shows temperature differences that indicate potential problems, and clients are always impressed when I can show them thermal images that explain the drafts or cold spots they've been feeling. The battery easily lasts through a full day of inspections."

"Our auto repair shop invested in the UTi120T primarily for diagnostic work, and it's paid for itself multiple times over. Being able to see overheating components, identify cooling system restrictions, and check for uneven brake heating patterns has dramatically reduced our diagnostic time. The Wi-Fi transfer to our shop tablets means we can easily show customers exactly what we're seeing, which has improved our ability to explain necessary repairs."

Warranty and Support

The UNI-T UTi120T Pocket Thermal Imager comes with a 1-year warranty covering manufacturing defects and component failures under normal use conditions. UNI-T provides dedicated technical support through our experienced team of application engineers. For technical assistance, contact our support hotline or visit our support website.

Affordable Thermal Imaging in Your Pocket

The UNI-T UTi120T Pocket Thermal Imager delivers practical thermal imaging capabilities in an ultra-portable package that's always ready when you need it. With its intuitive interface, essential measurement tools, and Wi-Fi connectivity, it transforms invisible thermal patterns into actionable insights for professionals across numerous industries. Experience the advantage of seeing beyond the visible spectrum with this affordable, pocket-sized diagnostic powerhouse.