UNI-T UTi740H Professional Thermal Imager User Manual

UNI-T UTi740H Professional Thermal Imager User Manual

PREFACE
Thank you for purchasing the new UTi740H thermal imager. In order to use this product safely and correctly, please read this manual thoroughly, especially the Cautions part. After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to the device, for future reference.

LIMITED WARRANTY AND LIABILITY
Uni-Trend guarantees that the product is free from any defect in material and workmanship within one year from the purchase date. This warranty does not apply to damages caused by accident, negligence, misuse, modification, contamination and improper handling. The dealer shall not be entitled to give any other warranty on behalf of Uni-Trend. If you need warranty service within the warranty period, please contact your seller directly.

This warranty is the only compensation you can obtain. Uni-Trend will not be responsible for any special, indirect, incidental or subsequent damage or loss caused by any reason or speculation. As some areas or countries do not allow limitations on implied warranties and incidental or subsequent damage, the above limitation of liability and stipulation may not apply to you.

CAUTIONS

1. Use or store the product at specified operating or storage temperatures. Otherwise, the device may be damaged.

2. Do not directly aim the product at high-intensity thermal radiation sources, such as the sun, laser device, spot-welder, etc.

3. Do not knock, toss, or shake the product and accessories.

4. Do not place the battery in a high temperature environment or near high temperature objects. Do not short-circuit the positive and negative electrodes of the battery. Do not place the battery in a humid environment or water.

5. Do not expose the device to dusty or damp environment. When used in an environment with water, avoid water splashing on the product.

6. Do not use dissolved or similar liquids on the product or cables, as it may cause device damage.

7. Please follow the following instructions when wiping the device:
   • Non-optical surface: If necessary, use a clean and soft cloth to wipe the non-optical surface of the thermal imager.
   • Optical surface: Do not stain the optical surface of the lens when using the thermal imager. Be especially careful not to touch the lens with hands, as sweat from hands will leave marks on the lens glass and may erode the optical coating layer on the glass surface. When the optical surface is stained, carefully wipe it with a special lens paper.

8. When using the device, please try to keep it stable and avoid violent shaking.

9. Please close the lens cover and put the product and its accessories into the carrying box when it is not used.

10. Please do not disassemble the device to avoid product damage and loss of warranty rights.

11. Due to different batches, the materials and details of actual products may be slightly different from the graphic information. Please refer to the goods received.

12. The experimental data in the manual are theoretical values and all from Uni-Trend’s internal laboratories, for reference only. Customers cannot use them as bases for
    placing orders. If users have any questions, please contact customer service.

1. Technical Specifications

2. Product Structure

1. Type-C USB interface
2. SD card slot
3. Power
4. OK
5. Left
6. Down
7. LCD
8. Up
9. Image browsing
10. Return
11. Right
12. Battery pack
13. Bracket screw hole
14. Focusing ring
15. Hand strap hole
16. Trigger
17. Visual light camera lens
18. Infrared camera lens

3. LCD Indicators/Icons

Display size: 4.3″ IPS
Display resolution: 480 (vertical) x 800 (horizontal)

4. Power on/off

Long press Power button for 5s to turn on thermal imager (it needs 30 minutes warm-up time when the device is just turned on or not used for a long time, or the measurement environment changes). Long press Power button for 3s, “Shutdown?” will show on the screen. Select “OK” to turn off thermal imager. Long press Power button for 8s to power off directly.

When the battery is low, a low battery indicator will show on the screen, which means the thermal imager should be turned off and the battery should be charged. When the thermal imager is in low battery status for a long time, it will automatically shut down.

5. Main Menu

In the main interface:

1. Press OK button to open the main menu.
2. Press Up/Down button to step through the submenu.
3. Press OK button to open the selected submenu.
4. In the submenu, press Up/Down button to select an option.
5. Press OK button to confirm and save the selection.
6. Press Return button to return to the previous interface.

6. Submenu

6.1 On Screen Analyzer

After adding an analysis object, a “Choose” submenu will appear. The optional functions in the submenu are Move, Stretch (this function cannot be applied to point objects), Difference (point objects can only be compared with point objects; the difference between the MAX/ MIN/AVG temperature of two comparison objects will be displayed on the left side), Delete (delete the selected object). The temperature information of the added analysis object will be displayed on the right side.

When there are analysis objects in the main interface, select “Choose” and press the direction buttons to select an analysis object. A secondary menu will pop up, select “Difference” in it, and press the OK button. Press the direction buttons to select another object to be compared. The comparison information will be displayed on the left side (The comparison can be cancelled in the secondary menu).

6.2 QR Code

Users can manually input or scan the QR code. Select “Cancel” to return to the main interface. After a QR code is input or scanned, it can be saved to a classified folder. (Note: The QR code cannot exceed 100 characters.)

The QR code is added to classify the images and make it easier for users to find the images quickly. If the added QR code is saved in an existing classified folder (QR1 , QR2, QR3, QR4 or QR5), the images marked with this OR code can be browsed in the corresponding folder. QR codes saved in folder “Others” are temporary and will not be saved to the existing folders.

If the QR code is manually input, the interface for selecting QR code files will pop up. There are several options: QR codes in the existing classified folders (QR 1, QR2, QR3, QR4 and QR5), other QR codes (added and used OR codes), input new QR codes. When “Input new QR codes” is selected, a keyboard will pop up. After customizing the QR code name, the interface for selecting the storage location of the new QR code will pop up. The optional folders are: QR1 , QR2, QR3, QR4, QR5 and Others (temporary location).

7. Settings

7.1 Parameter Settings

In the setting interface of parameters, Emissivity, Object distance, Ambient temperature, Reflected temperature and Relative humidity can be set.

1. Please refer to the emissivity table.
2. If users are not sure which values to choose, it is recommended to use the default values:
   Emissivity: 0.95
   Object distance: 1.0m
   Ambient temperature: 25°C
   Reflected temperature: 25°C
   Relative humidity: 45% RH

Note: Emissivity and Reflected temperature are the two most important parameters. If in doubt, use the default values.

7.2 System Settings

8. Image Browsing and Editing

In the main interface, press the Image Browsing button to enter the multimedia browsing interface.

9. Digital Zoom

In the main interface, press Up/Down button to zoom in the screen. The current magnification is displayed on the left side of the screen. The magnification steps through 1X, 2X, 4X and 1X.

10. SD Card

The device can be inserted into a Micro SD card to store images. To avoid affecting the device operating speed, please copy the backup data regularly and clean up the SD card in time. Do not insert or remove the SD card repeatedly when the device is turned on; otherwise the data in it may be abnormal. If the SD card is removed when users are browsing or editing images, a prompt “No SD Card” will pop up.

11. Maintenance

Use a wet cloth or weak soap solution to clean the outer housing of the device. Do not use abrasives, isopropyl alcohol or solvents to clean the housing or lens.

12. Notes

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radian technician for help.

Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

13. Emissivity Table

Contents of this manual are subject to change without prior notice.

No. 6, Gong Ye Bei 1st Road,
Songshan Lake National High-Tech Industrial
Development Zone, Dongguan City,
Guangdong Province, China

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