1. Introducere
This manual provides detailed instructions for the safe and effective use of the UNI-T UTi120S Thermal Imaging Camera. The UTi120S is a handheld infrared camera designed for high-accuracy temperature detection, offering a 120x90 IR resolution and 10800 pixels. It supports PC analysis and video recording, making it suitable for various industrial and scientific applications.
Please read this manual thoroughly before operating the device to ensure proper usage and to prevent damage or injury.
2. Informații de siguranță
Observe the following safety precautions to ensure safe operation and to avoid potential hazards:
- Do not point the laser directly at people or animals, as it can cause eye damage.
- Nu dezasamblați și nu modificați dispozitivul. Reparațiile trebuie efectuate numai de către personal de service autorizat.
- Keep the device away from water and moisture. The device has an IP54 rating, offering protection against dust and splashing water, but it is not fully waterproof.
- Avoid dropping the device. It is designed to withstand a 2-meter drop, but excessive force can still cause damage.
- Operate the device within the specified temperature range to ensure accurate readings and prevent damage.
- Folosiți doar cablul de încărcare și adaptorul de alimentare specificate pentru a încărca dispozitivul.
3. Produs terminatview
The UNI-T UTi120S Thermal Imaging Camera features an ergonomic design for comfortable handheld use. Below is an illustration of the instrument panel and key components:

Figura 3.1: Față și spate View of the UTi120S Instrument Panel, highlighting the LCD screen, control buttons, LED light, laser emission aperture, infrared camera lens, image capture trigger, USB Type-C interface, and SD card slot.
Componente cheie:
- Ecran LCD: 2.4" TFT LCD display for real-time thermal imaging and menu navigation.
- Control Buttons (OK, Up, Down, Power/Back): Used for menu navigation, selection, and power control.
- Lumina LED: Oferă iluminare în medii întunecate.
- Apertură emisie laser: Emits a laser pointer for precise targeting.
- Infrared Camera Lens: Captures thermal radiation to form the infrared image.
- Image Capture/Trigger: Button to capture thermal images.
- Interfață USB tip C: For charging and connecting to a PC for data transfer and analysis.
- Slot pentru card SD: For expanding memory and storing captured images/videos.
4. Configurare
4.1 Încărcare inițială
Before first use, fully charge the device. Connect the provided USB Type-C cable to the camera's USB port and the other end to a compatible USB power adapter. The charging indicator will show the charging status. A full charge provides over 9 hours of continuous operation.
4.2 Instalarea cardului Micro SD
The UTi120S supports Micro SD cards up to 16GB for storing images and videos. Locate the SD card slot on the side of the device. Insert the Micro SD card with the contacts facing down until it clicks into place. To remove, gently push the card in until it springs out.
5. Funcționare
5.1 Pornire/Oprire
Țineți apăsat butonul Putere/Înapoi button to turn the device on or off. The device will display the thermal image upon startup.
5.2 Măsurare de bază
Point the infrared camera lens towards the target object. The real-time thermal image will be displayed on the LCD screen. The device automatically detects and displays the temperature of the center point, as well as the highest and lowest temperatures within the view.
Video 5.1: Demonstrates various application scenarios for the UNI-T UTi120S Thermal Imaging Camera, including distribution cabinet inspection, air conditioning vent inspection, motor detection, pipeline inspection, and tin furnace inspection, showcasing its versatility in different environments.
5.3 Temperature Measurement Modes
The UTi120S offers multiple measurement features:
- Punct central: Afișează temperatura în centrul ecranului.
- Hi-Lo Temp Tracking: Automatically identifies and tracks the highest and lowest temperatures within the field of view.
5.4 palete de culori
The device features 7 color palettes to visualize thermal data. You can select the most suitable palette for your application to enhance contrast and detail:

Figura 5.2: Displays various thermal imaging color palettes available on the UTi120S, including Iron Red, White Heat, Black Heat, Rainbow, Red Heat, and Lava, allowing users to choose the best visualization for different inspection needs.
- Roșu de fier
- White Heat
- Black Heat
- Curcubeu
- Red Heat
- Lavă
- High Contrast Rainbow
Navigați prin meniu folosind Up şi Jos butoanele și apăsați OK to select a palette.
Video 5.3: Illustrates the menu navigation and selection of different color palettes on the UNI-T UTi120S, along with other settings like language, temperature units, and emissivity.
5.5 Laser Pointer and LED Lighting
The device includes a laser pointer for accurate targeting and an LED light for illuminating dark areas.
- Indicator laser: Long press the trigger button to activate the laser pointer, which helps pinpoint the exact measurement area.
- Iluminare cu LED: The LED light can be toggled on/off through the device's menu settings to assist in visual inspections.

Figura 5.4: Shows the UNI-T UTi120S in use, demonstrating how the laser pointer helps target specific areas for thermal measurement and the LED light illuminates the inspection zone.
5.6 Emisivitate reglabilă
Emissivity is a measure of an object's ability to emit infrared energy. Different materials have different emissivity values. For accurate temperature readings, adjust the emissivity setting (0.01~0.99) in the device menu to match the material being inspected.

Figura 5.5: Illustrates the concept of adjustable emissivity for precise thermal imaging, showing how correct emissivity settings improve measurement accuracy compared to incorrect settings.
5.7 Rată de reîmprospătare ridicată
The UTi120S features a 25Hz refresh rate, providing smooth and responsive thermal imaging. This allows for quick and accurate identification of temperature anomalies, even when scanning moving objects or performing rapid inspections.

Figura 5.6: Highlights the 25Hz fast image frequency of the UTi120S, demonstrating the smooth and clear thermal imaging experience compared to lower refresh rates, which aids in accurately locating targets.
6. PC Analysis and Data Management
6.1 Connecting to PC for Online Analysis
The UTi120S can be connected to a Windows computer via the USB Type-C cable for real-time online analysis. This allows for live monitoring of object temperature changes, 3D imaging, and advanced point-line-surface temperature measurements using dedicated PC software.
6.2 Data Export and Offline Analysis
Captured thermal images and videos are stored on the Micro SD card. You can transfer these files to a computer for offline analysis. The PC software supports analyzing saved images, generating data reports, and performing deeper data interpretation.

Figura 6.1: Illustrates the UNI-T UTi120S connected to a laptop for PC analysis, showing real-time temperature measurement and data export capabilities. It also highlights the 1/4" screw hole for tripod mounting (tripod not included).
7. Întreținere
7.1 Curăţarea dispozitivului
Regularly clean the device to ensure optimal performance. Use a soft, dry cloth to wipe the exterior. For the infrared lens and LCD screen, use a lens cleaning cloth and specialized cleaning solution to avoid scratches. Do not use abrasive cleaners or solvents.
7.2 Îngrijirea bateriei
The UTi120S is equipped with a rechargeable lithium polymer battery. To prolong battery life:
- Încărcați complet bateria înainte de depozitarea pe perioade lungi de timp.
- Evitați descărcarea completă frecventă a bateriei.
- Păstrați dispozitivul într-un loc răcoros și uscat atunci când nu este utilizat.
8. Depanare
If you encounter issues with your UTi120S, refer to the table below for common problems and solutions:
| Problemă | Cauza posibila | Soluţie |
|---|---|---|
| Dispozitivul nu pornește. | Bateria este epuizată. | Încărcați dispozitivul folosind cablul USB Type-C furnizat. |
| Imaginea este neclară sau neclară. | Infrared lens is dirty or damaged. | Clean the lens with a soft, lint-free cloth. If damaged, contact support. |
| Citiri inexacte ale temperaturii. | Incorrect emissivity setting or measurement distance. | Adjust emissivity to match the target material. Ensure proper measurement distance. |
| Nu se pot salva imagini/videoclipuri. | Micro SD card is full or not inserted correctly. | Verificați introducerea cardului SD. Ștergeți cardul vechi files or replace with a new SD card. |
| Dispozitivul se blochează sau nu răspunde. | Eroare software sau eroare temporară. | Efectuați o resetare soft ținând apăsat butonul de pornire până când dispozitivul repornește. |
9. Specificații
The following are the technical specifications for the UNI-T UTi120S Thermal Imaging Camera:
| Caracteristică | Detaliu |
|---|---|
| Rezolutie IR | 120x90 pixels (10800 pixels) |
| Interval de temperatură | -20°C până la 400°C (-4°F până la 752°F) |
| Precizie | ±2°C or ±2% (whichever is greater) |
| Sensibilitate termică (NETD) | ≤ 60mK |
| Frame Rate | 25 Hz |
| Afişa | Ecran LCD TFT de 2.4" |
| Palete de culori | 7 (Iron Red, White Heat, Black Heat, Rainbow, Red Heat, Lava, High Contrast Rainbow) |
| emisivitate | Ajustabil de la 0.01 la 0.99 |
| Tip baterie | 3.7V/2600mAh Rechargeable Lithium Polymer |
| Durata de viață a bateriei | Peste 9 ore de funcționare continuă |
| Depozitare | Micro SD Card (up to 16GB supported) |
| Comunicare PC | USB Type-C for online analysis and data transfer |
| Protecție împotriva căderii | 2 metri |
| Evaluare IP | IP54 |
| Dimensiuni | 196 x 75 x 63 mm |
| Greutatea articolului | Aproximativ 1.21 lire sterline |
10. Garanție și asistență
The UNI-T UTi120S Thermal Imaging Camera comes with a standard manufacturer's warranty. For specific warranty terms, please refer to the warranty card included with your product or visit the official UNI-T website. For technical support, service, or replacement parts, please contact UNI-T customer service through their official channels.