1. Introduction
Thank you for choosing the Pracmanu 30m Mini Laser Distance Meter. This compact and high-precision digital laser rangefinder is designed for quick and accurate distance measurements, making it an essential tool for construction, DIY projects, and professional use. Please read this manual carefully before using the device to ensure safe and optimal operation.
2. Safety Information
2.1 Laser Safety
This device uses a Class II laser. Observe the following safety precautions:
- Do not stare directly into the laser beam.
- Do not aim the laser beam at people or animals.
- Avoid direct eye exposure to the laser beam.
- Do not disassemble or modify the device.
2.2 Battery Safety
- Use only the specified charging adapter (5V==1A).
- Do not expose the device to extreme temperatures or direct sunlight.
- Do not attempt to replace the built-in lithium battery.
- Keep the device away from water and moisture.
Disclaimer: Accidents caused by failure to charge according to the specified requirements are not the responsibility of the manufacturer.
3. Package Contents
Ensure all items are present in the package:
- Pracmanu 30m Mini Laser Distance Meter
- USB Charging Cable
- User Manual (this document and a more detailed PDF version)
4. Product Overview
The Pracmanu Mini Laser Distance Meter features a clear digital display and intuitive controls for ease of use.
4.1 Device Components
- Display Screen: Shows measurement results, battery status, and measurement mode.
- MEAS Button: Initiates single or continuous measurements.
- CLEAR / Power Button: Clears current measurement or powers the device on/off.
- USB-C Charging Port: For recharging the internal battery.
5. Setup
5.1 Charging the Device
The device is equipped with a built-in 3.7V 350mAh lithium battery. Before first use, or when the battery indicator shows low power, charge the device using the provided USB cable.
- Connect the USB charging cable to the device's USB-C port.
- Connect the other end of the USB cable to a power adapter (5V==1A recommended) or a computer USB port.
- During normal charging, the LED indicator light on the device will remain on.
- Once the battery is fully charged, the LED indicator light will turn off.
6. Operating Instructions
6.1 Power On/Off
- To power on the device, press and hold the CLEAR / Power button.
- To power off the device, press and hold the CLEAR / Power button again.
6.2 Single Measurement
For a quick, one-time distance reading:
- Ensure the device is powered on.
- Point the laser at the target surface.
- Press the MEAS button. The measurement will be displayed on the screen.
6.3 Continuous Measurement
For dynamic measurements, such as finding maximum or minimum distances while moving the device:
- Ensure the device is powered on.
- Activate continuous measurement mode (typically by a short press of the MEAS button after power on, or a double-press, refer to on-screen icons).
- Move the device slowly across the area you wish to measure. The device will automatically calculate and display the maximum and minimum values encountered during the movement.
6.4 Measurement Reference
The device measures from its rear reference point. When taking measurements, ensure you account for the device's physical length if measuring from an edge or corner where the device itself occupies space.
6.5 Measurement Unit
The default measurement unit is meters (m).
7. Maintenance
- Clean the device with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Keep the laser lens clean to ensure accurate measurements.
- Store the device in a dry place, away from direct sunlight and extreme temperatures.
- Recommended storage temperature: -20°C to 60°C.
8. Troubleshooting
- Device not turning on or charging:
- Ensure the USB cable is securely connected and the power adapter meets the 5V==1A requirement. Check if the LED indicator light is on during charging.
- Inaccurate measurements:
- Verify that the laser path to the target is clear and unobstructed. Ensure the device is held steady. Remember that the device measures from its rear reference point.
- How to perform continuous measurement?
- After powering on, activate continuous measurement mode (refer to on-screen icons or a quick press of the MEAS button). Move the device slowly to capture max/min values.
9. Specifications
| Feature | Specification |
|---|---|
| Brand Name | pracmanu |
| Measurement Range | 0.05 - 30m |
| Measurement Accuracy | ±2mm |
| Measurement Speed | 0.5 - 1s |
| Measurement Unit | m |
| Continuous Measurement | Yes |
| Charging Type | Type-C |
| Battery Type | Built-in 3.7V 350mAh Lithium Battery |
| Laser Class | Class II |
| Working Temperature | -5°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| Size | 70*34*19mm |
| Certification | CE |
| Battery Included | Yes |
| High-concerned chemical | None |
10. User Tips
- Measurement Reference: Always remember that the device measures from its rear. When measuring from a wall or an object's edge, factor in the device's length for precise results.
- Continuous Measurement: For best results when using continuous measurement, move the device slowly and steadily across the desired path. This allows the device to accurately capture the maximum and minimum distances.
- Charging: Use a standard 5V/1A USB charger for optimal charging speed and battery longevity.
11. Warranty and Support
This product is covered by a standard manufacturer's warranty. For specific warranty terms, service, or technical support, please refer to the detailed user manual PDF or contact your retailer.
A comprehensive user manual in PDF format is available for download and reference:
