1. Introduction
This manual provides detailed instructions for the operation, maintenance, and troubleshooting of your Teslong Thermal Camera. Please read this manual thoroughly before using the device to ensure proper and safe operation.
What's in the Box:
- Teslong Thermal Camera (256 x 192)
- Storage Bag
- USB Cable
- User Manual
- Wrist Strap

2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the device:
- Do not point the camera directly at strong light sources, such as the sun or high-power lasers, as this may damage the sensor.
- Keep the device dry. Do not expose it to rain, moisture, or immerse it in water.
- Avoid dropping the camera or subjecting it to strong impacts.
- Do not attempt to disassemble or modify the device. Repairs should only be performed by authorized personnel.
- Use only the provided USB cable for charging and data transfer.
- Ensure the operating temperature is within the specified range to prevent damage.
3. Product Overview
The Teslong Thermal Camera is a versatile tool equipped with both infrared and visible light lenses, designed for various inspection and diagnostic tasks. It features a high-resolution IR sensor and a clear LCD screen for detailed thermal imaging.
Key Features:
- Dual Light Thermal Camera: Integrates a 1MP visible light lens for clear images with dual-light fusion.
- High Resolution: 256x192 IR resolution with a 25 Hz refresh rate for smooth thermal imaging.
- Accurate Measurements: Temperature measurement error of ±2% and auto-capturing of center, maximum, and minimum temperatures.
- PC Software Support: Free PC software for advanced analysis, 3D imaging, point-line-surface temperature measurement, and report generation.
- Multiple Image Modes: Offers Thermal, Visible, Outline Fusion, Overlay Fusion, and Picture-in-Picture (PIP) modes.
- 8 Color Palettes: Customizable chromatic scales including Iron Red, White Heat, Black Heat, Rainbow, Red Hot, High Contrast, Green Heat, and Lava.
- Photo/Video Recording: Built-in 8GB memory stores up to 20,000 thermal images or 22 hours of video.
- Long-lasting Battery: 2600mAh rechargeable battery provides up to 6 hours of continuous use.




4. Setup
4.1 Charging the Device
Before first use, fully charge the thermal camera. Connect the provided USB cable to the camera's Type-C port and to a standard USB power adapter (not included) or a computer USB port. The charging indicator will show the charging status.

4.2 Initial Power On and Language Selection
Press and hold the power button to turn on the device. Upon first startup, you may be prompted to select your preferred language. Navigate using the directional buttons and confirm your selection with the OK button.

5. Operating the Camera
5.1 Basic Controls
- Power Button: Press and hold to turn on/off. Short press for screen on/off or to enter/exit sleep mode.
- OK/Menu Button: Confirms selections or enters the main menu.
- Mode/Back Button: Switches between image modes or goes back to the previous screen.
- Directional Buttons: Navigate through menus and adjust settings.
5.2 Image Modes and Color Palettes
The camera offers various image modes to suit different inspection needs. Use the Mode button to cycle through Thermal, Visible, Outline Fusion, Overlay Fusion, and Picture-in-Picture (PIP) modes. You can also select from 8 color palettes to enhance thermal visualization.

5.3 Photo and Video Recording
To capture an image, press the designated photo button. To record video, press the video recording button. The device has 8GB of internal memory, capable of storing approximately 20,000 thermal images or 22 hours of video recordings.

5.4 Temperature Measurement and Analysis
The camera supports precise temperature detection, including center point analysis, temperature tracking, and highlighted rectangular temperature areas. It also features a high-temperature alarm.


5.5 PC Software Usage
Utilize the free Teslong PC software for in-depth analysis of captured images and videos. The software allows for detection of object temperature changes, 3D imaging, point-line-surface temperature measurement, batch analysis, and professional report generation.

5.6 Operational Videos
Watch these official videos for a visual guide on operating your Teslong Thermal Camera:
Video 5.1: An instructional video demonstrating the various features and operational steps of the Teslong Thermal Camera.
Video 5.2: A detailed video showcasing practical applications and advanced functionalities of the thermal imager.
6. Maintenance
6.1 Cleaning the Device
- Use a soft, dry cloth to clean the camera body.
- For the lens and screen, use a lens cleaning cloth and specialized cleaning solution if necessary. Do not use abrasive materials.
- Ensure no dust or debris enters the ports.
6.2 Battery Care
- Charge the battery regularly, even if the device is not in frequent use, to maintain battery health.
- Avoid fully discharging the battery for extended periods.
- Store the device in a cool, dry place when not in use.
6.3 Storage
When storing the camera for long periods, ensure it is fully charged and kept in its protective storage bag in a dry environment away from extreme temperatures.
7. Troubleshooting
If you encounter issues with your Teslong Thermal Camera, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Battery is depleted. | Connect the camera to a power source using the USB cable and charge it for at least 30 minutes before attempting to power on. |
| Battery does not hold charge. | Battery degradation or faulty charging cable/adapter. | Ensure you are using the original USB cable. Try a different USB power adapter. If the issue persists, contact customer support. |
| Image is blurry or unclear. | Lens or screen is dirty; incorrect focus (if applicable). | Clean the lens and screen with a soft, lint-free cloth. Ensure the object is within the camera's optimal measurement range. |
| Temperature readings seem inaccurate. | Incorrect emissivity setting; environmental factors. | Adjust the emissivity setting in the camera's menu to match the material being measured. Ensure there are no strong air currents or reflective surfaces interfering with the measurement. |
| Device freezes or becomes unresponsive. | Software glitch or temporary error. | Perform a soft reset by pressing and holding the power button for 10-15 seconds until the device powers off. Restart the device. |
If the problem persists after trying these solutions, please contact Teslong customer support for further assistance.
8. Specifications
| Feature | Specification |
|---|---|
| IR Resolution | 256 x 192 pixels |
| Visible Light Camera | 1 Megapixel |
| Refresh Rate | 25 Hz |
| Temperature Measurement Range | -4°F to 752°F (-20°C to 400°C) |
| Measurement Accuracy | ±2% or ±2°C (±3.6°F) |
| Display Screen | 3.2 inch LCD |
| Internal Memory | 8GB (stores approx. 20,000 images / 22 hours video) |
| Battery Capacity | 2600mAh Rechargeable |
| Working Time | Up to 6 hours continuous use |
| Charging Port | Type-C USB |
| Dimensions | 10.91 x 6.1 x 3.86 inches |
| Weight | 1.74 Pounds |
9. Warranty and Support
9.1 Warranty Information
Teslong products are manufactured to high quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Teslong website. The warranty typically covers defects in materials and workmanship under normal use.
9.2 Customer Support
For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact Teslong customer support. You can usually find contact information on the Teslong official website or through the retailer where you purchased the product.
Manufacturer: Teslong





