1. Product Introduction
The Qianxun Starlight H7 is a high-precision handheld SLAM scanner designed for various measuring applications. It integrates a laser, camera, and power supply into a compact, lightweight unit, allowing for one-handed control and ease of use. This device is built with high stability, strong anti-interference capabilities, and good shock resistance, making it suitable for demanding industrial environments.
It is widely used for measuring gas pressure, water pressure, and oil pressure, and is applicable in industrial automation, hydraulic and pneumatic systems, air compressors, water pumps, pipeline pressure monitoring, and other industrial equipment. The Starlight H7 provides standard signal output and is compatible with most controllers and instruments.

2. Product Features
- High-precision sensing chip: Ensures stable measurement with low temperature drift.
- Durable Construction: Features an all stainless steel structure, shockproof, and corrosion-resistant for a long service life.
- Wide Voltage Input: Supports standard industrial signal output.
- Broad Compatibility: Compatible with PLC, digital meters, inverters, and various control systems.
- Compact Design: Easy to install with reliable sealing.
- IP65 Protection: Suitable for both indoor and outdoor industrial environments.
- Integrated Design: Laser, camera, and power supply are integrated into one unit, eliminating external cables for one-handed operation.
- Lightweight: The entire unit weighs only 1 kilogram.
- Multimode Mapping: Supports RTK-SLAM, PPK-SLAM, and SLAM mapping methods.
- Real-time Performance: Real-time point cloud export and coloring are supported. When equipped with an RTK module, it can output point cloud data with geographic coordinates in real time.

3. Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 1kg |
| Mapping Method | RTK-SLAM, PPK-SLAM, SLAM |
| Laser Ranging | 40m@10% reflectivity, 70m@80% reflectivity |
| Battery Life | 3 hours |
| Solution Method | Supports real-time calculation, real-time color assignment, and post-processing of data |
| Laser Point Frequency | 200,000 points per second |
| Storage Capacity | 256GB |
| Data Accuracy | Relative accuracy ≤2cm, Absolute accuracy ≤5cm |
| Scan Field of View | 360° * 59° |
| Camera Resolution | 3840*2160 |
| Expansion Mode | Adaptable telescopic rods |
| Control Mode | APP / Button |
| Measuring Medium | Air, water, oil, neutral non-corrosive gas or liquid |
| Pressure Range | 0-10kPa / 100kPa / 1MPa / 1.6MPa / 2.5MPa / 10MPa / 60MPa (optional) |
| Supply Voltage | DC 5V / 12V / 24V (optional) |
| Output Signal | 4-20mA / 0-5V / 0-10V / RS485 (optional) |
| Accuracy | ±0.5% FS |
| Long-term Stability | ≤±0.1% FS/year |
| Overload Pressure | 2 × rated pressure |
| Burst Pressure | 3 × rated pressure |
| Operating Temperature | -40°C ~ +125°C |
| Storage Temperature | -40°C ~ +150°C |
| Housing Material | Stainless Steel 304 |
| Protection Level | IP65 |
| Mounting Thread | G1/4, NPT1/4 (default) |
| Service Life | ≥100000 hours |
4. Applications
- Industrial automation equipment pressure monitoring
- Hydraulic and pneumatic systems
- Air compressors, water pumps, pressure pipelines
- Air conditioning, refrigeration, HVAC systems
- Liquid level measurement and control
- Intelligent instruments and environmental equipment
- Automotive test and modification equipment
5. Package Contents
Upon unpacking, please verify that all items listed below are present and in good condition:
- 1 × Qianxun Starlight H7 Handheld SLAM Scanner
- 1 × User Manual (this document)
- 1 × Seal Gasket
- 1 × Carrying Case (as shown in Figure 3)
- 1 × Power Adapter

6. Setup and Installation
6.1. Installation Instructions
- Install the sensor in a stable position, ensuring there is no strong vibration or impact.
- Use standard threaded installation; tighten evenly. Do not knock the sensor during installation.
- Ensure the measured medium is non-corrosive and compatible with the sensor.
- Do not apply long-term over-range pressure to avoid permanent damage to the device.
6.2. Wiring (3-wire system)
The Starlight H7 scanner uses a 3-wire system for power and signal. Ensure correct connections to prevent damage.
- VCC: Positive power supply (DC 5V / 12V / 24V, as per your model's requirement).
- GND: Negative power supply / Ground.
- OUT: Signal output.
7. Operating Instructions
The Qianxun Starlight H7 scanner is designed for intuitive operation, primarily through its integrated buttons or a dedicated mobile application.
7.1. Basic Operation
- Power On: Press and hold the power button until the device powers on.
- Mode Selection: Use the device buttons or the companion APP to select the desired mapping method (RTK-SLAM, PPK-SLAM, or SLAM).
- Scanning: Hold the scanner firmly and move it steadily across the area to be scanned. Ensure the laser and camera have a clear line of sight to the environment.
- Real-time Feedback: Monitor the real-time point cloud data and coloring on the connected display or APP.
- Data Storage: The device automatically stores scanned data to its internal 256GB storage.
- Power Off: Press and hold the power button to safely shut down the device after use.
7.2. Advanced Operation (with RTK Module)
For centimeter-level precision and geographic coordinates, connect an RTK module (sold separately) to the Starlight H7 scanner. This enables real-time output of georeferenced point cloud data.
7.3. Using the Companion APP
The Starlight H7 can be controlled via a dedicated mobile application. This APP provides advanced settings, real-time data visualization, and post-processing options. Refer to the APP's in-app guide for detailed instructions on its features.
8. Safety Notes
- This product is NOT explosion-proof. Do not use it in flammable or explosive environments.
- Always disconnect power before performing any wiring or maintenance. Incorrect wiring can damage the module.
- Keep the device away from strong electromagnetic interference sources to ensure accurate operation.
- Do not disassemble or modify the product yourself. Unauthorized modifications will void the warranty.
- Always follow industrial safety standards during installation and use of the device.
9. Maintenance
9.1. Cleaning
- Regularly clean the exterior of the scanner with a soft, dry cloth.
- For the laser and camera lenses, use a specialized lens cleaning solution and a microfiber cloth to avoid scratches.
- Ensure no dust or debris accumulates in the ventilation grilles.
9.2. Storage
- When not in use, store the scanner in its original carrying case to protect it from dust, moisture, and physical damage.
- Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
- Ensure the battery is charged to an optimal level (e.g., 50-70%) before long-term storage to prolong battery life.
10. Troubleshooting
This section provides solutions to common issues you might encounter with your Starlight H7 scanner.
10.1. Device Not Powering On
- Check if the battery is sufficiently charged. Connect the device to the power adapter and allow it to charge for some time.
- Ensure the power button is pressed and held for the required duration.
10.2. Inaccurate Scan Data
- Verify that the installation environment is stable and free from strong vibrations or impacts during scanning.
- Ensure the measured medium is compatible and non-corrosive.
- Check for strong electromagnetic interference sources in the vicinity.
- Clean the laser and camera lenses for any obstructions or smudges.
10.3. Connectivity Issues with APP
- Ensure Bluetooth or Wi-Fi (depending on connection method) is enabled on your mobile device.
- Restart both the scanner and the mobile application.
- Check if the APP is updated to the latest version.
If you encounter issues not covered here, please contact customer support.
11. Warranty and Support
11.1. Warranty Information
- The Qianxun Starlight H7 scanner comes with a 12-month warranty from the date of purchase.
- This warranty covers manufacturing defects and non-human quality defects.
- Any unauthorized disassembly or modification of the product will void the warranty.
11.2. Technical Support
Professional technical support is available for wiring and application assistance.
For further assistance, please contact our customer service:
- WhatsApp: +86 18713935885
- Email: yierguoji03@163.com
You can also refer to the official user manual PDF for more detailed information: Qianxun Starlight H7 User Manual (PDF)
12. User Tips
- For optimal results, ensure the scanner's battery is fully charged before starting a long scanning session.
- When scanning large areas, plan your path to ensure complete coverage and minimize redundant scans.
- Utilize the companion APP for advanced features and real-time monitoring to enhance scanning efficiency and data quality.
- Keep the device's firmware updated to benefit from the latest features and performance improvements.