1. Introduction and Overview
The NOYAFA NF-524 infrared thermal imager utilizes infrared thermal imaging technology to measure the temperature of each pixel of a target object, providing clear visualization of thermal states. This device is designed for a wide range of applications, including industrial maintenance, electrical equipment inspection, automotive testing, HVAC testing, building inspection, and underfloor heating pipeline detection.

2. Product Features
- Display: 2.8-inch screen with an infrared resolution of 120x90 pixels.
- Imaging: Features 8 selectable color palettes for diverse viewing scenarios.
- Storage: Built-in 8GB memory, capable of storing over 10,000 images. Data can be copied via USB.
- Temperature Measurement: Supports center point temperature measurement, continuous high and low temperature tracking, and key area temperature measurement. Includes a screen alarm function for temperature thresholds.
- Controls: Equipped with 6 intuitive buttons for easy operation.
- Power: Powered by a 2600mAh lithium battery, rechargeable via USB Type-C.
- Additional Features: Assistive laser for precise targeting, photo and video recording capabilities, and image mode switching.

3. Package Contents
The NF-524 Thermal Imager package includes the following items:
- Handheld Thermal Imager: 1 set
- User Manual: 1 copy
- USB Type-C Data Cable: 1 pcs
- Color Box: 1 pcs
- Lithium Battery Usage Instruction Card: 1 copy
- Qualification Certificate/Warranty Card: 1 copy

4. Keys and Functional Description
Familiarize yourself with the device's controls:

- Display Screen: Shows thermal images, menus, and settings.
- OK / Enter / Home Button: Confirms selections, enters menus, or returns to the main interface.
- Direction Buttons (Up, Down, Left, Right): Navigates through menus, switches palettes, or changes imaging modes.
- Return / On-Off Button: Lights off the screen to save power, or lights it on.
- Trigger Button: Short press to take a photo, long press to record a video.
- Type-C USB Port: Used for charging and data transfer.
- Infrared Lens: Captures thermal data.
- Laser Indicator: Emits a laser dot for precise targeting (Class II laser).
5. Setup
5.1 Power On/Off
- To Power On: Short press the Return/On-Off button when the device is off.
- To Power Off: Long press the Return/On-Off button when the device is on.
5.2 Charging
Connect the device to a power source using the provided USB Type-C cable. The display screen will show the current power volume during charging.
5.3 Basic Settings (Initial Use)
Upon first power-on or after a factory reset, you may need to configure basic settings:
- Language: Navigate to the 'Settings' menu (by pressing OK) and select 'Language' to choose your preferred language.
- Date and Time: Set the correct year, month, day, and hour in the 'Settings' menu.
- Unit: Select your desired temperature unit (°C, °F, or K) from the 'Settings' menu.
6. Operating Instructions
6.1 Main Interface Navigation
- Switching Palettes: On the main interface, use the Up and Down direction buttons to cycle through the available color palettes.
- Switching Imaging Modes: Use the Left and Right direction buttons to switch between visible light imaging and infrared imaging (if applicable).
- Accessing Menu: Press the OK button to display the primary menu.
- Screen On/Off: Short press the Return/On-Off button to turn off the screen and save power. Press any key to turn it back on.
6.2 Photographing and Video Recording
- To Take a Photo: Short press the Trigger button. Images are saved in JPG format.
- To Record a Video: Long press the Trigger button. Videos are saved in MP4 format.

6.3 Album
- Accessing Album: From the main interface, press OK to open the primary menu. Select the 'Album' option using the direction buttons and press OK to enter.
- Viewing Files: Pictures and videos are arranged by shooting time. Use the direction buttons to select a file. Press OK for full-screen display or playback.
- Navigating Files: While in full-screen display or playback, use the Left and Right direction buttons to switch between previous and next files.
- Exiting Album: Press the Return/On-Off button to return to the album list interface.
6.4 Temperature Measurement Modes
- Conventional Measurement: Supports temperature measurement at the center point, as well as continuous high/low temperature tracking.
- Regional Measurement: Allows selection of specific regions for center point and high/low temperature tracking. You can zoom in or out on the temperature measurement region for different scenarios.

6.5 Laser Indicator
- Activating Laser: From the main screen, press OK to bring up the primary menu. Select the 'Laser' option using the direction buttons and press OK to activate it.
- Deactivating Laser: Once activated, press OK again to deactivate the laser.

7. System Settings
To access system settings, press the OK button from the main interface and navigate to the 'Settings' menu.
| Option | Description |
|---|---|
| Language | Chinese (Simplified), Chinese (Traditional), English, French, German, Spanish, Russian, Dutch, Japanese, Korean, and Arabian. |
| Emissivity | Adjustable from 0.01 to 0.99. |
| Unit | Select between Degree Celsius (°C), Fahrenheit (°F), and Kelvin (K). |
| Temperature Alarm | Enable/disable and set upper/lower temperature limits for alerts. |
| Storage Settings | View internal storage status and format the memory. |
| Date and Time | Set the year, month, day, and hour. |
| Auto OFF | Set the automatic power-off time after a period of inactivity. |
| Palette Bar Display | Toggle the display of the palette bar on the screen. |
| Screen Brightness | Adjust the screen brightness level. |
| Factory Reset | Option to reset the device to factory default settings. |
7.1 Color Palettes
The thermal imager offers 8 common color palettes to optimize viewing for different scenarios and target objects:
- Iron Red
- White Heat
- Black Heat
- Rainbow
- Red Heat
- High Contrast
- Green Heat
- Lava

8. Data Transfer
To transfer photos and videos from your NF-524 to a computer:
- Connect the thermal imager to your computer using the provided USB Type-C cable.
- The device will be recognized as a USB drive by your computer's operating system (e.g., Windows).
- You can then copy the stored photos (JPG) and videos (MP4) directly from the device to your computer for archiving and viewing.

9. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents.
- Lens Care: Keep the infrared lens clean and free from dust and debris. Use a lens cleaning cloth if necessary.
- Port Protection: Ensure the USB Type-C port is covered when not in use to protect against dust and oxidation.
- Battery Care: Refer to the 'Lithium Battery Usage Instruction Card' for specific battery maintenance guidelines. Avoid extreme temperatures when storing the device to prolong battery life.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.

10. Troubleshooting
- Device Not Turning On:
- Ensure the battery is charged. Connect the device to a power source using the USB Type-C cable.
- Perform a soft reset by long-pressing the power button for 10-15 seconds.
- Image Not Clear/Display Issues:
- Check if the lens is clean and free from obstructions.
- Adjust the color palette to see if it improves visibility for your specific application.
- Ensure the emissivity setting is appropriate for the material being measured.
- Battery Not Charging:
- Verify that the USB Type-C cable is securely connected to both the device and the power adapter.
- Try using a different USB Type-C cable or power adapter.
- Cannot Transfer Files to Computer:
- Ensure the device is properly connected to the computer via the USB Type-C cable.
- Check if the computer recognizes the device as a removable drive. If not, try restarting both the device and the computer.
- Ensure the USB Type-C port on the device and computer are clean.
11. Specifications
Technical Parameters of NF-524
| Parameter | Value |
|---|---|
| Resolution | 120*90 |
| Working Band | 8~14um |
| Frame Rate | 25Hz |
| NETD | <60mK@25°C |
| Field Angle | H=38° V=50° |
| Emissivity | 0.01~0.99 |
| Temperature Measurement Range | Low temperature: -10 to 160°C; High temperature: 160-400°C |
| Temperature Measurement Accuracy | ±2°C or ±2% of the reading |
| Screen Size | 2.8 inches |
| Palette | Iron red, white heat, black heat, rainbow, red heat, high contrast, green heat and lava |
| Temperature Measurement Function | Support full-screen temperature measurement of highest/lowest/center point and mild region |
| Laser Level | Class II |
| Language | Chinese (Simplified), Chinese (Traditional), English, French, German, Spanish, Russian, Dutch, Japanese, Korean and Arabian |
| Interface | USB Type-C (support charging and data transmission) |
| Battery | 2600mAh lithium battery |
| Capacity | 8G internal memory |
| Picture Storage Format | JPG |
| Video Format | MP4 |
| Working Time | 4 hours (if the battery is fully charged) |
| Working Temperature | -10~50°C |
| Storage Temperature | -40~85°C |
| Net Weight | 300g |
| Product Dimension | 219 x 72 x 66mm |

12. User Tips
- Versatile Applications: This thermal imager is highly effective for identifying heat signatures in various scenarios, including electrical equipment, automotive systems, HVAC, building inspections, and even detecting water leaks in pipelines.
- Optimal Emissivity: For accurate temperature readings, ensure the emissivity setting is correctly adjusted for the material you are scanning. Different materials have different emissivities.
- Cold/Hot Spot Tracking: Utilize the automatic cold and hot spot tracking feature to quickly pinpoint areas of interest, which can indicate potential issues or inefficiencies.
- Image Modes: Experiment with the different color palettes and image modes to find the best visualization for your specific inspection task.
- Data Archiving: Regularly transfer your recorded photos and videos to a computer for detailed analysis, reporting, and long-term archiving.
13. Warranty and Support
The NOYAFA NF-524 Thermal Imager comes with a Qualification Certificate/Warranty Card included in the package. Please refer to this card for detailed warranty terms and conditions. For technical support or service inquiries, please contact NOYAFA customer service through their official channels.





