1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Yizhan 4K 48MP Full HD Industrial Microscope. Designed for precision tasks such as PCB welding, repair, and inspection, this microscope offers high-definition imaging and versatile connectivity options. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.

The Yizhan 4K 48MP Full HD Industrial Microscope in a typical setup, showcasing its application in examining a PCB.
2. Package Contents
Please verify that all items listed below are included in your package:
- Microscope Camera (4K 48MP Ultra HD, 4K 48MP HD, or 2K 13MP HDMI VGA model)
- 1X-150X Zoom C-mount Lens
- Adjustable Articulating Arm Stand with Clamp
- Tripod Head (Ball Head)
- Remote Control
- Power Adapter
- HDMI Cable
- Type-C Cable (for 4K 48MP Ultra HD and 4K 48MP HD models)
- LED Light (for 2K 13MP HDMI VGA model)
- Cable Ties / Bands

Example of a full set package for the 2K 13MP HDMI+VGA Microscope.
3. Specifications
3.1 General Product Properties
- Brand Name: KUAIQU
- Model Number: YZMD2-XHU4003 SET
- KUAIQU Model: YZC-4003-150X
- Theory: Video Microscope
- Material: Metal
- Magnification Ratio: 500X & Under
- Drawtube: Monocular
- Certification: CE, FCC
- Origin: Mainland China
- Is Smart Device: No
- Features: High Definition, Handheld, Portable, Digital
- Battery Included: No
- High-concerned chemical: None
3.2 Camera Parameters
| Parameter | XHU4003 (4K 48MP Ultra HD) | XHU4002 (4K 48MP HD) | XVH2001 (2K 13MP HDMI VGA) |
|---|---|---|---|
| Image Sensor | 4K 48MP SONY IMX415 | 48MP SONY IMX327 | 13MP GC2053 |
| Pixel Array | 48MP Ultra HD | 48MP 1080P(60fps) | 13MP 720P(30fps) |
| HDMI Output | 1920*1080 60FPS | 1920*1080 60FPS | 1920*1080 30FPS |
| TYPE-C Output | 1920*1080/30, 1280*720/30, 640*480/30, 320*240/30 (MJPG) | 1920*1080/30, 1280*720/30, 640*480/30, 320*240/30 (MJPG) | None |
| VGA Output | None | None | 1920*1080P or above |
| 4K Video Record | Yes | Yes | None |
| TF Card Interface | Max 64GB | Max 64GB | None |
| White Balance | Auto/manual, RGB adjustable | Auto/manual, RGB adjustable | One-time/manual/auto |
| Cross Cursor | Support multi-color, size adjustable (16 lines) | Support 8 straight lines, adjustable color, thickness, position | Support 8 colors/line width adjustable |
| Language | English / Chinese | English / Chinese | English / Chinese (10 languages) |
| Remote Control | Yes | Yes | Yes |
| Power Adapter | 5-12V 1A | 5-12V 1A | 12V |
| Monitor | 16:9/16:10/4:3 | 16:9/16:10/4:3 | 16:9, 4:3 |
| Camera Net Weight | 150g | 250g | N/A |
| Camera Dimensions | 66*66*49mm | 60*60*70mm | 75*50*50mm |

4003 4K 48MP Ultra HD Camera with ports and dimensions.

4002 4K 48MP HD Camera with ports and dimensions.

2003 2K 13MP HDMI VGA Camera with ports and remote control.
3.3 1X-150X Zoom C-mount Lens
- Working Distance: 50mm-1000mm
- Zoom Ratios: 1:15
- Magnification Power: 0.15-2X (approximately 1-150X on display)
- View Field (Max Multiple): 4.2mm*2.4mm
- View Field (Min Multiple): 130mm*70mm
- Size: 30mm (diameter) * 99mm (length)
- Weight: 195g

The 1X-150X Zoom C-mount Lens, illustrating its working distance.
3.4 Adjustable Bracket
- Size: 350mm + 350mm (arm lengths)
- Maximum Thickness for Clamp Installation: 50mm
- Tube Diameter: 1.3cm (0.51in)
- Maximum Load Bearing: 1.5kg
- Folding Bracket Weight: 0.75kg
- Features: Push-pull triangular structure, reinforced anchor points for stability, flexible and adjustable angles (200°, 135°, 360° rotation).

Adjustable bracket with dimensions and structural details.

Adjustable angles of the microscope stand.

Tripod head with rotation and angle adjustment.
4. Setup Instructions
Follow these steps to assemble and set up your Yizhan Industrial Microscope:
- Mount the Clamp: Attach the clamp of the articulating arm stand to a sturdy desk or workbench. Ensure it is securely tightened.
- Assemble the Arm: Insert the articulating arm into the clamp base. Adjust the arm to your desired position and tighten any locking mechanisms.
- Attach Tripod Head: Screw the tripod head onto the end of the articulating arm.
- Mount the Camera: Carefully screw the microscope camera onto the tripod head. Ensure it is firmly attached but do not overtighten.
- Attach the Lens: Screw the 1X-150X C-mount lens onto the camera.
- Connect Power: Plug the power adapter into the camera's DC 5-12V port and then into a power outlet.
- Connect to Display/PC:
- For HDMI Display: Connect an HDMI cable from the camera's HDMI port to your monitor or TV.
- For PC Connection (Type-C models): Connect the Type-C cable from the camera's Type-C port to your computer. Download and install the ImageView PC software from the provided address: https://drive.google.com/file/d/1uhIXHPESUhsn4dt3KSQ0sBGb4_ta6aWO/view?usp=sharing
- Adjust Lighting (if applicable): If your model includes an LED light, attach it around the lens and connect its power. For working distances exceeding 40cm, it is recommended to use an external work desk lamp for additional illumination.
Video demonstrating the assembly and initial setup of the microscope.

Microscope camera connection points and components.

Microscope in operation, displaying a magnified circuit board on a monitor.
5. Operating Instructions
5.1 Basic Operation
- Power On: Once all connections are made, power on the microscope using the ON/OFF button on the camera or remote control.
- Focus Adjustment: Rotate the focus ring on the 1X-150X C-mount lens to achieve a clear image of your specimen.
- Magnification Adjustment: Adjust the zoom ratios on the lens to change the magnification level.
- Positioning: Use the articulating arm and tripod head to position the camera over your specimen at the desired working distance. The stand allows for 180° and 360° rotation, and 90° angle adjustment.
5.2 HDMI Output Functions
When connected to an HDMI display, the camera offers the following features:
- Image Capture: Capture still images (up to 48 Million pixels, 8000x6000 JPG format) and save them directly to a TF card (up to 64GB supported).
- Video Recording: Record videos in 4K (30fps) or 1080P (60fps) MOV format to the TF card.
- One-Click Freeze/Thaw: Temporarily freeze the live image for detailed inspection.
- Electronic Scaling: Digitally zoom in or out on the live image.
- OSD Menu: Access the On-Screen Display menu using the camera buttons or remote control to adjust various settings.
OSD Menu Settings (Example for 4003 Camera):
- Language: English / Chinese
- Line Set: 16 lines, adjustable color, thickness, position.
- Exposure: Automatic / Manual, Exposure Compensation adjustment.
- AWB (Auto White Balance): Automatic / Manual, RGB adjustable.
- Color: Color adjustment.
- Frequency: 50Hz / 60Hz
- Record Size: 1080P
- Resolution: 4K
- Mirror: Invert
- Monitor: 16:9 / 16:10 / 4:3
- Bright: 25
- Contrast: 32
- Hue: 14
- Edge: 10
- Format: Format TF card.
- Date & Time: Set date and time.
- System: System settings.

OSD Menu for the 4003 Camera.
5.3 USB Connection to Computer (for Type-C models)
When connected to a computer via the Type-C port, the microscope functions as a webcam and can be used with dedicated software:
- Install Software: Download and install the ImageView PC software from the provided address: https://drive.google.com/file/d/1uhIXHPESUhsn4dt3KSQ0sBGb4_ta6aWO/view?usp=sharing
- Access Measurement Tools: Through the ImageView program, you can utilize various measurement tools including point spacing, parallel lines, vertical lines, line spacing, angle, circle, radius, radian, rectangle, ellipse, and concentric circles.

Microscope connected to a computer using ImageView software for measurements.
6. Maintenance
- Lens Care: Do not wipe the camera lens with your bare hands. This can cause scratches and negatively affect image sharpness. Use a soft, lint-free cloth specifically designed for optical lenses, and if necessary, a specialized lens cleaning solution.
- General Cleaning: Keep the microscope body and stand clean by wiping with a dry, soft cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the microscope in a clean, dry environment, away from dust and direct sunlight.
7. Troubleshooting
- No Image on Display:
- Ensure all cables (power, HDMI/Type-C) are securely connected.
- Verify the power adapter is plugged into a working outlet.
- Check the input source on your monitor/TV is set correctly (e.g., HDMI1, HDMI2).
- If using USB, ensure the ImageView software is installed and running, and the camera is selected as the input device.
- Blurry Image:
- Adjust the focus ring on the lens.
- Ensure the working distance between the lens and the specimen is appropriate (50mm-1000mm).
- Check if the lens is clean and free from smudges or scratches.
- Ensure sufficient lighting; add an external light source if needed, especially for higher working distances.
- Image Shaking/Unstable:
- Ensure the articulating arm stand is securely clamped to a stable surface.
- Tighten all joints and locking mechanisms on the stand.
- When taking photos, use the remote control to avoid physical contact with the camera, which can cause shaking.
- Remote Control Not Responding:
- Check the battery in the remote control.
- Ensure there are no obstructions between the remote control and the camera's IR receiver.
8. User Tips
No specific user tips were available from reviews or Q&A at this time. However, based on product features, consider the following:
- For optimal image clarity, especially at higher magnifications or longer working distances, ensure your workspace is well-lit. An additional desk lamp can significantly improve results.
- Utilize the OSD menu to fine-tune image settings like exposure, white balance, brightness, and contrast to match your specific viewing conditions and specimen.
- When performing delicate tasks like PCB soldering, use the cross-line function to maintain precise alignment and measurement.
- Regularly back up important images and videos from the TF card to prevent data loss.
9. Warranty and Support
Our store offers the following support for your product:
- Free Replacement: Orders are eligible for free replacement within 30 days from the delivery date.
- Extended Support: For orders between 1 and 12 months from delivery, a partial payment of the order value may be required for replacement.
- Long-term Support: For orders older than 12 months, small discounts may be offered for replacements or repairs.
Contact Support:
For any issues or inquiries, please contact our customer support. We aim to respond within 30 minutes during working hours and resolve your problem within 24 hours.
Working Hours: Monday to Friday, 9:00 AM to 6:30 PM Beijing Time. Please note that orders and support requests will not be processed during weekends and holidays.