1. Introduction
The HT-02 is a portable thermal imaging camera designed for efficient surface temperature measurement and real-time thermal imaging. This device integrates the functions of traditional thermal imaging cameras, allowing users to quickly identify and locate potential problems by displaying thermal distributions on a color screen. It eliminates the need for component-by-component measurement, saving time and enhancing diagnostic capabilities.
2. Safety Information
Please read and understand all safety instructions before operating the device. Failure to follow these instructions may result in injury or damage to the device.
- Do not expose the device to extreme temperatures, humidity, or corrosive environments.
- Avoid direct exposure of the lens to strong light sources, such as the sun or lasers, as this may damage the sensor.
- Use only the specified battery type (4 * 1.5V AA battery) and ensure correct polarity.
- Keep the device away from water and other liquids.
- Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
- Dispose of batteries and the device according to local regulations.
3. Package Contents
Verify that all items listed below are included in your package:
- 1 x HT-02 Thermal Infrared Imager
- 1 x SD Card (4G)
- 1 x User Manual (this document)
- 1 x Drop Resistance Rope
- 1 x Protection Bag
4. Product Overview
4.1 Device Layout
4.2 Controls and Display
The HT-02 features a 2.4-inch full viewing angle high-resolution color screen for displaying thermal and visible images. Key controls include:
- MENU Button: Accesses the main menu for settings and options.
- SELECT/ENTER Button: Confirms selections or enters sub-menus.
- Navigation Buttons (Up/Down/Left/Right): Used to navigate through menu options and adjust settings.
5. Specifications
The following table details the technical specifications of the HT-02 Thermal Imaging Camera:
| Feature | Specification |
|---|---|
| Display | 2.4 inch full viewing angle high-resolution color screen |
| Resolution | 60 * 60 |
| Total Pixel | 3600 pixels |
| Resolution of visible image | 0.3 mega pixels |
| Temperature range | -20℃ to 300℃ (-4℉ to 572℉) |
| Measuring Accuracy | ±2% or ±2℃ (±4℉) |
| FOV/Shortest Focal Length | 20× 20 / 0.5m |
| Thermal Sensitivity | 0.5℃ |
| Wavelength Range | 8-14μm |
| Emissivity | 0.1-1.0 Adjustable |
| Image Frequency | 6HZ |
| Focus Mode | Fixed |
| Palette | Iron red, rainbow, rainbow high contrast, gray scale (white glow) and gray scale (black glow) |
| Vision Option | 5 kinds of full infrared to the full visual, mixing visible and infrared |
| Image Storage | SD card (4G) |
| File Format | bmp |
| Set Control | Unit Adjustment/Language/Date Time Format/automatic shut down |
| Battery Type | 4 * 1.5V AA battery (Not Included) |
| Battery Life | 6 Hours |
| Auto Power-off Time | 12 Minutes |
| Authentication | CE, RoHS |
| Operating Temperature | -5℃ to 40℃ (23℉ to 104℉) |
| Storage Temperature | -20℃ to 50℃ (-4℉ to 122℉) |
| Relative Humidity | 10%RH to 80%RH |
| Item Size | 21.2 * 9 * 6.2cm / 8.3 * 3.5 * 2.4in |
| Item Weight | 231.2g / 8.2oz |
| Package Size | 27 * 19 * 11cm / 10.6 * 7.5 * 4.3in |
| Package Weight | 927g / 32.7oz |
6. Setup
6.1 Battery Installation
- Locate the battery compartment on the device.
- Open the battery compartment cover.
- Insert 4 x 1.5V AA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
6.2 SD Card Insertion
- Locate the SD card slot on the device.
- Gently insert the provided 4GB SD card into the slot until it clicks into place.
- To remove, press the SD card gently to eject it.
6.3 Attaching the Drop Resistance Rope
Attach the drop resistance rope to the designated loop on the camera body to prevent accidental drops during use.
7. Operation
7.1 Powering On/Off
Press and hold the power button (location not specified, assume standard placement) to turn the device on or off.
7.2 Basic Thermal Imaging
Once powered on, the device will display a real-time thermal image on the 2.4-inch screen. The central point cursor will indicate the temperature at the center of the view.
7.3 Adjusting Settings (MENU)
Press the MENU button to access various settings, including:
- Unit Adjustment: Change temperature units (e.g., Celsius, Fahrenheit).
- Language: Select your preferred language.
- Date Time Format: Set the date and time display format.
- Automatic Shut Down: Configure the auto power-off time (default is 12 minutes).
Use the navigation buttons to scroll through options and the SELECT/ENTER button to confirm.
7.4 Vision Options and Image Blending
The HT-02 offers 5 kinds of vision options, allowing you to blend visible and infrared images. This feature helps in quickly identifying the problem area by overlaying thermal data onto a visual representation of the scene.
7.5 Image Storage
Thermal images are automatically saved to the inserted 4GB SD card in BMP format. Refer to the device's on-screen prompts or menu options for specific saving procedures (e.g., a dedicated capture button or menu option).
7.6 Palette Selection
Choose from various color palettes to visualize thermal data, including Iron red, rainbow, rainbow high contrast, gray scale (white glow), and gray scale (black glow). This can enhance the visibility of temperature differences for different applications.
8. Maintenance
8.1 Cleaning
- Wipe the device body with a soft, dry cloth.
- For the lens and screen, use a lens cleaning cloth and a specialized cleaning solution if necessary. Do not use abrasive materials or harsh chemicals.
8.2 Battery Care
- Remove batteries if the device will not be used for an extended period to prevent leakage.
- Replace all four AA batteries simultaneously.
8.3 SD Card Management
- Regularly transfer images from the SD card to a computer to free up space and back up your data.
- Format the SD card periodically using the device's menu option (if available) or a computer to maintain optimal performance.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low or dead batteries; incorrect battery installation. | Replace batteries with fresh ones; ensure correct polarity. |
| Screen is blank or frozen. | Software glitch; low battery. | Restart the device; replace batteries. |
| Cannot save images. | SD card full; SD card not inserted correctly; faulty SD card. | Transfer images to computer and delete from card; reinsert SD card; try a different SD card. |
| Inaccurate temperature readings. | Incorrect emissivity setting; environmental factors; device malfunction. | Adjust emissivity (0.1-1.0) based on target material; ensure stable environment; contact support if problem persists. |
10. User Tips
No specific user tips were available from reviews or Q&A for this product. General tips for thermal imagers include:
- Always ensure the lens is clean for accurate readings.
- Understand the emissivity of different materials to get precise temperature measurements.
- Practice using different color palettes to find the best visualization for your specific application.
- Keep the device in its protective bag when not in use to prevent damage.
11. Warranty & Support
11.1 Warranty
This HT-02 Thermal Imaging Camera comes with a 1-year warranty from the date of purchase. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized repairs, or normal wear and tear.
11.2 Technical Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact your retailer or the manufacturer's customer service. Refer to your purchase documentation for specific contact details.
