1. Introduction
The MiLESEEY D5-70m Laser Distance Meter is a high-precision measuring device designed for various applications, including home decoration, construction, real estate, and industrial use. It offers quick and accurate measurements of distance, area, volume, and features an electronic angle sensor for enhanced functionality.
This manual provides essential information for the safe and efficient operation, setup, and maintenance of your device. Please read it thoroughly before use.
2. Safety Information
WARNING: Laser Radiation
This device emits Class II laser radiation. Avoid direct eye exposure to the laser beam. Do not stare into the beam. Direct exposure can cause eye injury.
- Do not attempt to modify or disassemble the device.
- Keep the device out of reach of children.
- Do not use the device in explosive environments or near flammable materials.
- Ensure the device is clean and dry before use.
3. Package Contents
Verify that all items are present in your package:
- 1 x MiLESEEY D5-70m Laser Distance Meter
- 2 x AAA 1.5V Batteries
- 1 x User Manual
- 1 x Portable Pouch
- 1 x Wrist Strap
4. Device Overview
The MiLESEEY D5-70m features a compact design with a clear display and intuitive button layout.
Key components include:
- Laser Emitter/Receiver: Located at the top of the device.
- LCD Display: Shows measurements, unit, battery status, and function icons.
- Measurement Button (MEAS): Activates laser, takes measurements.
- Function Button: Cycles through measurement modes (distance, area, volume, Pythagorean).
- Unit Button: Changes measurement units (M/FT/IN/ft+in).
- Reference Point Button: Switches measurement reference point (front or rear of device).
- Clear/Off Button: Clears current measurement or powers off the device.
- Angle Sensor: Integrated for real-time angle display.
5. Setup
5.1 Battery Installation
- Locate the battery compartment cover on the back of the device.
- Slide the cover open.
- Insert the two AAA 1.5V batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
5.2 Power On/Off
- Power On: Press the MEAS button once to turn on the device. The laser will activate.
- Power Off: Press and hold the Clear/Off button for approximately 3 seconds. The device will also automatically power off after 180 seconds of inactivity to conserve energy.
6. Operating Instructions
6.1 Basic Distance Measurement
- Turn on the device by pressing the MEAS button.
- Point the laser beam at the target.
- Press the MEAS button again to take a measurement. The distance will be displayed on the screen.
6.2 Unit Switching
Press the Unit button to cycle through available measurement units: meters (M), feet (FT), inches (IN), and feet+inches (ft+in).
6.3 Reference Point Adjustment
The device can measure from its front or rear edge. Press the Reference Point button to switch between these two modes. An icon on the display will indicate the active reference point.
6.4 Measurement Modes
Press the Function button to cycle through the following measurement modes:
- Single Distance Measurement: Standard measurement from point A to point B.
- Continuous Measurement: Displays real-time distance as the device is moved.
- Area Measurement: Measures length and width to calculate area.
- Volume Measurement: Measures length, width, and height to calculate volume.
- Pythagorean Measurement (3-point): Calculates indirect height or distance using three measurements.
- Automatic Level: Measures the hypotenuse, then automatically calculates horizontal distance and vertical height.
- Automatic Height: Measures two hypotenuses, then automatically calculates vertical height.
6.5 Electronic Angle Sensor
The integrated electronic angle sensor displays the angle in real-time on the screen, with an accuracy of ±0.3°. This feature assists in finding horizontal alignment and performing indirect measurements.
6.6 Data Storage and Recall
The device can store up to 30 data records. Use the dedicated buttons (if available, otherwise refer to the full manual) to review and recall previous measurements.
7. Maintenance
- Cleaning: Use a soft, damp cloth to clean the device. Do not use abrasive cleaners or solvents.
- Lens Care: Gently clean the laser lens with a soft cloth, similar to cleaning camera lenses. Avoid touching the lens with fingers.
- Storage: Store the device in its portable pouch in a cool, dry place when not in use. Remove batteries if storing for extended periods to prevent leakage.
- Water Resistance: The device has an IP54 rating, meaning it is splash and dust proof. Do not submerge it in water.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Low or dead batteries; incorrect battery installation | Replace batteries; ensure correct polarity. |
| Inaccurate measurements | Unstable surface; laser obstructed; dirty lens; incorrect reference point | Ensure stable measurement; clear laser path; clean lens; check reference point setting. |
| Laser beam not visible | Bright ambient light; long distance measurement | Use in shaded areas or indoors; use a target plate for long distances. |
| Display is dim or unreadable | Low battery; extreme temperatures | Replace batteries; operate within specified temperature range. |
9. Specifications
| Feature | Specification |
|---|---|
| Measurement Range | 0.16m - 70m (0.52 ft - 229 ft) |
| Measurement Accuracy | ±2mm (±1/16 inch) |
| Angle Sensor Accuracy | ±0.3° |
| Laser Class | Class II |
| Laser Type | 635 nm, <1mW |
| Measurement Time | 0.5 seconds |
| Units | Meters (M), Feet (FT), Inches (IN), Feet+Inches (ft+in) |
| Data Records | 30 |
| Automatic Power-off | 180 seconds |
| Battery Type | 2 x AAA 1.5V |
| Battery Life | Up to 5000 measurements |
| Water Resistance | IP54 (Splash and Dust Proof) |
| Dimensions (L x W x H) | 11.5 x 5 x 3 cm |
| Material | Plastic |
| Color | Blue, Black |
10. Warranty and Support
The MiLESEEY D5-70m Laser Distance Meter comes with a 2-year warranty after product registration. MiLESEEY also provides lifetime technical support for this product.
For warranty claims, technical assistance, or further inquiries, please refer to the contact information provided in your product packaging or visit the official MiLESEEY website.
