UNI-T UTi165K Professional Thermal Imager User Manual

Preface

Thank you for purchasing the new UTi165K thermal imager. To ensure safe and correct use, please read this manual thoroughly, especially the Safety Instructions. Keep the manual in an easily accessible place for future reference.

Limited Warranty and Liability

Uni-Trend guarantees the product is free from defects in material and workmanship for one year from the purchase date. This warranty does not cover damage caused by accident, negligence, misuse, modification, contamination, or improper handling. Uni-Trend is not responsible for any special, indirect, incidental, or subsequent damage or loss caused by using this device.

Safety Instructions

To ensure proper use, please read the following instructions carefully:

• Optimal measuring distance is 1 meter.
• Use in an operating environment of 15°C~30°C, <85% RH (non-condensing).
• Use the product indoors without wind.
• Allow 10-15 minutes for the product to acclimatize in a new environment before measuring.
• Ensure the ambient temperature for measuring is stable. Do not measure in places with large airflow (e.g., fans, air outlets).
• If the measured object comes from a place with a large temperature difference, allow it to acclimatize in the measurement environment for 10-30 minutes before measuring.
• The product measures surface temperature. Adjust temperature compensation in the Settings menu if needed.
• The product has a self-calibration function. Wait for readings to stabilize if they fluctuate rapidly.
• After measuring extremely high or low temperature objects, wait 10 minutes before the next measurement.
• Do not use the product in strong sunlight or areas with electromagnetic interference.
• Avoid using the product in flammable, explosive, steamy, wet, or corrosive environments.
• Discontinue use if the product is damaged or modified to prevent inaccurate measurements.
• Use the correct emissivity setting for accurate temperature readouts.
• Warm up the product for 10-15 minutes before measuring if it has not been used for a long time.
• Avoid taking measurements during or immediately after charging, as internal temperature rise can affect accuracy.

Structure

The UTi165K thermal imager has the following components:

Display

The display features a 2.8-inch TFT LCD screen with a resolution of 320 (vertical) x 240 (horizontal) pixels. It shows real-time thermal images with various indicators:

• Center point temperature
• Maximum temperature
• Minimum temperature point
• Temperature bar
• Battery status
• Date and time
• High temperature alert sign
• Self-calibration indicator

Power On/Off

Press and hold the power button for 3 seconds to turn the product on or off. The shutdown procedure takes 5 to 6 seconds. Avoid turning the product on and off continuously to prevent damage.

Menu Introduction

Measurement

Navigate the main menu using the SET, Left/Right, and Up/Down buttons. Select the Measurement menu to choose between Center Spot (center point measurement) or HiLo Spot (maximum and minimum temperature measurement). Press the SET button to enable or disable the selected spot measurement. Press the Back button to exit.

Palette

Access the Palette menu from the main menu. Use the Left/Right buttons to select a desired color palette (e.g., Iron, Rainbow, White Hot). Press the SET button to apply the selected palette. Press the Back button to exit.

Point Temperature

From the main menu, select the Point Temperature option. Choose the desired point to measure. Use the Left/Right/Up/Down buttons to move the measurement point on the thermal image. Press the SET button to confirm the point's position and read its temperature. Press the SET button again to turn the point off. Press the Back button to exit.

Image Mode

Navigate to the Image Mode menu. Select the desired display mode: Thermal (infrared image), Digital (visual light image), or Fusion (image blending). Press the SET button to apply the selected mode. In Fusion mode, use the Left/Right buttons to adjust the blending ratio from 0% (pure visual light) to 100% (pure infrared). Press the Back button to exit.

Settings

Access the Settings menu from the main menu to configure various parameters:

Language

Select the desired language from the available options (English, Chinese). Confirm your selection with the SET button.

Date and Time

Adjust the date, time, and time format (24H or 12H). Use the Up/Down buttons to change values and Left/Right buttons to select parameters. Save settings with the SET button.

Temperature Unit

Choose between Celsius (°C) and Fahrenheit (°F) for temperature display. Confirm your selection with the SET button.

HI/LO Alert

Configure high and low temperature alerts. Select the HI/LO Alert option in the Settings menu. Adjust the temperature parameters for HI and LO alerts, and turn the alerts on or off.

Measurements

Access the Measurements submenu to adjust Emissivity and Temperature Compensation. Select the parameter using the Up/Down buttons, then use SET to adjust values. Save changes with the SET button. Refer to the "Common Emissivity" section for emissivity values of various materials.

Display Brightness

Adjust the screen brightness by selecting Low, Medium, or High in the Display Brightness submenu. Confirm your choice with the SET button.

Auto Power Off

Set the auto power-off timer to 5 Minutes, 10 Minutes, 30 Minutes, or Off. Confirm your selection with the SET button.

USB Mode

Select the USB mode: USB Disk for PC data access and analysis, or USB Camera for real-time image projection on a PC. Confirm your selection with the SET button.

Auto Save

Enable or disable the auto-save feature for captured images by selecting Yes or No. Confirm with the SET button. Note: It is recommended to save no more than 1000 pictures to maintain product performance. Clean the SD card periodically.

System Settings

Access System Settings to manage device information, reset settings, or format the SD card.

Device Information

View details such as Model (UTi165K), Version (V1.0.10), SD card Capacity, and Free space.

Factory Reset

To restore the device to its original factory settings, select the Factory Reset option and confirm with "Yes". Avoid other operations during the reset process.

Format SD Card

Format the SD card by selecting the Format SD Card option and confirming with "Yes". Do not remove the SD card or perform other operations during formatting to prevent errors.

Image Capture

Pull and release the trigger to capture an image. In manual save mode, use the Left/Right buttons to discard or save the image, and press SET to confirm. In auto save mode, images are saved automatically. An SD card must be installed for saving images.

Image Viewing

Press the Replay button to access the gallery. Use navigation buttons to select an image. Press SET to view the image in full screen. In full screen mode, press SET again to delete the image or view its information. Do not remove the SD card while viewing images.

Temperature Compensation

Manual temperature compensation is available to adapt to different environments. Refer to section 5.5.5 Measurements for setting instructions.

Flashlight/Warning Light

Press and hold the flashlight button for 3 seconds to turn the LED light on or off. The LED light will flash when the measured temperature exceeds the set alert range. Do not point the flashlight at people's or animals' eyes.

USB Communication and Image Projection

To use USB communication and image projection:

1. Download and install the PC software.
2. Connect the device to the PC via USB cable.
3. Set the USB mode to "USB Disk" for browsing pictures and data analysis, or "USB Camera" for real-time image projection.
4. Refer to the PC software's User Manual for detailed operation instructions.

Note: Do not unplug the USB cable during image projection. Close the PC software before unplugging the USB cable.

SD Card

The device supports Micro SD cards for storing images. Regularly copy backup data and clean the SD card to maintain optimal performance. Avoid repeatedly inserting or removing the SD card; perform these actions when the device is turned off.

Charging

Use a safety-certified 5V/1A or 5V/2A power adapter for charging. Avoid turning off the product during charging. If shutdown or restart is necessary, unplug the Type-C power cord and disconnect the power supply first.

Specifications

Maintenance

Clean the outer shell of the device using a wet cloth or a weak soap solution. Do not use abrasives, isopropyl alcohol, or solvents to clean the outer shell, lens, or window.

Common Emissivity

The emissivity of different materials affects temperature readings. Use the following table as a reference: