1. Introduction
The TOMLOV DM4W is an innovative digital microscope that integrates a high-precision weighing scale, making it a versatile tool for various applications. Designed for coin collectors, jewelers, students, and laboratory users, it allows for detailed visual inspection and accurate weight measurement of small objects. This manual provides essential information for setting up, operating, and maintaining your DM4W microscope.
2. Safety Information
Please read and understand the following safety precautions before using the device:
- Keep the device away from water and other liquids to prevent electric shock or damage.
- Do not attempt to disassemble or modify the device. Repairs should only be performed by qualified personnel.
- Avoid exposing the device to extreme temperatures, direct sunlight, or high humidity.
- Use only the provided power adapter and cables.
- Keep out of reach of small children to prevent accidental ingestion of small parts.
- Handle the microscope lens and screen with care to avoid scratches.
3. Package Contents
Verify that all items are present in your package:
- TOMLOV DM4W Digital Microscope with Weighing Scale
- Adjustable Stand (8-inch tall)
- USB Cable
- User Manual (this document)
- (Optional: Calibration Weight, if included in your specific package)
4. Product Overview
The DM4W combines a digital microscope with a precise weighing scale. Key components include:
- 4.3-inch IPS Display: High-definition screen with true colors, 500 cd/m² brightness, and 178° wide viewing angle.
- Microscope Lens: Offers 500X - 1500X magnification for detailed inspection.
- Adjustable LED Lights: Built-in illumination with adjustable brightness for optimal viewing.
- Weighing Platform: Integrated high-accuracy sensor for precise measurements.
- Control Buttons: Power, OK, Menu, and navigation buttons for easy operation.
- Adjustable Stand: Features an 8-inch tall metal support rod for stability and ample working space.
- USB Port: For charging and connecting to external devices (PC/Mac).
5. Setup
- Assembly:
- Attach the microscope unit to the adjustable stand. Ensure it is securely fastened.
- Place the assembled unit on a stable, flat surface.
Figure 4: The stable and adjustable stand provides ample working height. - Charging the Battery:
- Connect the USB cable to the microscope's charging port and a suitable USB power source (e.g., computer, wall adapter).
- The charging indicator light will show the charging status. A full charge provides approximately 2 hours of video recording, 2.5 hours of photo capture, or 3 hours of continuous viewing.
- Power On/Off:
- Press and hold the 'POWER' button to turn the device on or off.
6. Operating Instructions
6.1. Microscope Operation
- Placing the Object: Place the object you wish to inspect on the weighing platform or directly under the microscope lens.
- Adjusting Height and Focus:
- Use the adjustment knob on the stand to raise or lower the microscope unit to achieve the desired working distance.
- Rotate the focus ring on the microscope lens until the image on the screen is clear.
- Adjusting LED Brightness: Use the dedicated buttons (if available, or through the menu) to adjust the intensity of the built-in LED lights for optimal illumination.
- Magnification: The microscope offers a magnification range of 500X to 1500X. Adjust the height and focus to change the magnification level.
6.2. Weighing Scale Operation
The integrated weighing scale provides high-accuracy measurements.
- Power On: Ensure the microscope is powered on. The weighing function is integrated into the base.
- Zeroing/Tare: Before placing an item, ensure the scale reads "0.0g" (or your selected unit). If not, press the appropriate button (often 'OK' or a dedicated 'TARE' button) to zero the scale.
- Placing Item: Carefully place the item to be weighed on the center of the weighing platform.
- Reading Weight: The weight will be displayed on the 4.3-inch IPS screen.
- Changing Units: Navigate through the menu options to select desired units (g / oz / ct).
6.3. PC/Mac Connection and Software
The DM4W can be connected to a Windows or macOS computer for a larger viewing experience and easier data management.
- Connect: Use the provided USB cable to connect the microscope to your computer.
- Software: The device typically operates as a 'PC Camera' or 'Webcam'. You may need to download specific software or drivers from the TOMLOV website for full functionality, or use standard webcam software on your computer.
- View and Share: Once connected, you can view the microscope's feed on your computer screen, capture photos, record videos, and share your observations.
6.4. Photo and Video Capture
The DM4W allows you to capture images and videos directly to a microSD card (not included).
- Insert MicroSD Card: Insert a formatted microSD card into the designated slot on the microscope.
- Capture Photo: While viewing, press the 'OK' button to capture a still image.
- Record Video: Navigate to the video recording mode (usually via the 'MENU' button) and press 'OK' to start/stop recording.
6.5. Portability
The DM4W features a built-in rechargeable battery, allowing for cord-free and portable use. It can be detached from its stand for handheld inspection.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device's exterior. For the lens and screen, use a specialized lens cleaning cloth and solution.
- Storage: Store the microscope in a cool, dry place, away from dust and direct sunlight.
- Battery Care: For optimal battery life, avoid fully discharging the battery frequently. Charge it regularly, even if not in use for extended periods.
8. Troubleshooting
- No Power: Ensure the battery is charged or the device is connected to a power source. Check the power button.
- Blurry Image: Adjust the focus ring on the microscope lens and the height of the stand. Ensure the object is properly illuminated.
- Inaccurate Weight Reading: Ensure the scale is on a flat, stable surface and has been zeroed before placing the item. Avoid drafts or vibrations.
- Cannot Connect to PC/Mac: Check the USB cable connection. Ensure you have the necessary drivers or software installed on your computer. Try a different USB port.
- Screen is too dark/bright: Adjust the LED brightness using the controls or through the device menu.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | DM4W |
| Magnification Ratio | 500X - 1500X |
| Theory | Video Microscope |
| Display Screen | 4.3-inch HD IPS True Color (500 cd/m², 178° Wide View Angle) |
| Weighing Range | 0-300g |
| Weighing Resolution | 0.1g |
| Weighing Accuracy | ±0.5g |
| Weighing Units | g / oz / ct |
| Response Time | 0.5s |
| Repeat Error | ≤0.2g |
| Battery Included | Yes (Rechargeable) |
| Battery Life (Approx.) | Video: 2H, Photo: 2.5H, View: 3H |
| Connectivity | USB (Windows/macOS compatible) |
| Features | High Definition, Handheld, Portable, Digital, Built-in LED Lighting |
| Stand Height | 8 inches (adjustable) |
| Package Weight | 0.71 kg |
| Package Dimensions | 24cm x 16cm x 8cm |
10. User Tips
- Coin Collectors: Use the weighing scale to verify the authenticity of coins by comparing their weight to known standards. The microscope helps in identifying mint errors, wear, and surface details.
- Jewelers: The 0.1g accuracy is ideal for weighing small gemstones and precious metals. The magnification assists in inspecting cuts, clarity, and hallmarks.
- Students/Hobbyists: Explore various specimens like insects, plants, or circuit boards. The portable design allows for field studies.
- Lighting: Always adjust the built-in LED lights to eliminate shadows and achieve the clearest image, especially at higher magnifications.
- Stability: For the most accurate weighing and clearest images, ensure the device is on a perfectly level and stable surface, free from vibrations.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official TOMLOV website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
