1. Introduction
The PREXISO Mini Laser Measurement Tool is a compact and versatile device designed for accurate distance measurements. Its small size and multiple functions make it suitable for a wide range of applications, from home DIY projects to professional construction tasks. This manual provides essential information on setup, operation, maintenance, and troubleshooting to ensure optimal performance and safety.
2. Safety Information
WARNING: This product contains a Class 2 laser. Do not stare into the laser beam. Avoid direct eye exposure.
- Always read and understand the user manual before operating the device.
- Keep the device out of reach of children.
- Do not attempt to disassemble or modify the device.
- Use the device only for its intended purpose.
- Avoid using the device in extremely dusty or wet environments, although it has an IP54 rating for splash and dust resistance.
3. Package Contents
Verify that all items are present in the package:
- PREXISO Mini Laser Measuring Device 135Ft (contains Li-ion battery)
- USB charging cable
- User Manual
- Hand Strap
- Package Box
4. Setup
4.1 Initial Charging
Before first use, ensure the device is fully charged. If the screen does not light up, please charge the item first.
- Locate the USB charging port on the device.
- Connect the provided USB charging cable to the device and a compatible USB power source (e.g., computer, wall adapter).
- The device will indicate charging status. A full charge typically takes 2-3 hours and provides 3-5 hours of continuous use.
4.2 Powering On/Off
- To power on, press the red 'LASER ON' button.
- The device will automatically shut down after 120 seconds of no operation to conserve battery life.
5. Operating Modes
The PREXISO Mini Laser Measurement Tool offers 6 distinct measurement modes:
5.1 Basic Operations
- Changing Units: Hold the 'UNITS' button for 3 seconds to switch between Ft (feet), Ft+In (feet and inches), In (inches), and M (meters).
- Changing Measurement Reference: Press the 'UNITS' button briefly to change the measurement reference point (front or rear of the device).
5.2 Measurement Modes Explained
- Single Distance Measurement: Press the 'LASER ON' button once to activate the laser, then press it again to take a single measurement.
- Continuous Measurement: Long press the 'LASER ON' button to enter continuous measurement mode. The device will continuously update the distance as you move. Press again to stop.
- Area Measurement: Press the 'Area/Volume/Pythagoras' button until the area icon appears. Take two consecutive distance measurements (length and width). The device will automatically calculate and display the area.
- Volume Measurement: Press the 'Area/Volume/Pythagoras' button until the volume icon appears. Take three consecutive distance measurements (length, width, and height). The device will calculate and display the volume.
- Pythagorean Method (2-Point): Press the 'Area/Volume/Pythagoras' button until the 2-point Pythagorean icon appears. Measure the hypotenuse and one leg of a right triangle. The device calculates the other leg.
- Pythagorean Method (3-Point): Press the 'Area/Volume/Pythagoras' button until the 3-point Pythagorean icon appears. Measure the hypotenuse, then the two legs. This mode is useful for indirect height or distance measurements.
Video 1: Official product video demonstrating the various measurement modes and ease of use of the PREXISO Mini Laser Measure.
6. Maintenance
- Cleaning: Use a soft, damp cloth to clean the device. Do not use abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: Recharge the Li-ion battery regularly, even if the device is not in frequent use, to maintain battery health. Avoid fully discharging the battery for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Screen does not light up | Low or no battery charge | Charge the device using the provided USB cable. |
| Inaccurate measurements | Measurement reference incorrect; rough surface; strong light interference | Check measurement reference point; use a flat target surface; use indoors or in shaded areas. |
| Device shuts off unexpectedly | Automatic shutdown activated; low battery | This is normal after 120 seconds of inactivity. If it happens during use, recharge the battery. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Prexiso |
| Model Number | P40B-3LI |
| Measuring Range | 1.15 in - 135 ft (0.35 - 40 m) |
| Accuracy | ±1/8 inch (±3 mm) |
| Laser Class | Class 2, <1mW |
| Battery Type | Li-ion rechargeable battery |
| Battery Life | 3-5 hours of use per charge |
| Charging Time | 2-3 hours |
| Auto Shutdown | 120 seconds of inactivity |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Item Weight | 90 Grams |
| Product Dimensions | 0.79"L x 1.38"W x 2.76"H |
| International Protection Rating | IP54 (Dust and splash resistant) |
9. Warranty and Support
For detailed warranty information and customer support, please refer to the official user manual provided with your product or visit the Prexiso Store on Amazon.
A downloadable PDF version of the user manual is also available: User Manual (PDF).
