Lomvum CJ01-165Ft

LOMVUM Digital Laser Distance Meter

Model: CJ01-165Ft

1. Product Overview

The LOMVUM Digital Laser Distance Meter is a high-precision measuring tool designed for quick and accurate distance, area, and volume calculations. It features advanced laser technology, an intuitive interface, and multiple measurement modes, making it an essential device for professionals and DIY enthusiasts in construction, real estate, and home improvement.

LOMVUM Digital Laser Distance Meter with batteries and wrist strap

Image 1.1: The LOMVUM Digital Laser Distance Meter, showing the device, two AAA batteries, and a wrist strap.

2. Safety Information

WARNING: LASER RADIATION

Do not stare into the laser beam.
Do not aim the laser beam at people or animals.
Avoid direct eye exposure to the laser beam.
This device uses a Class 2 laser product.
Keep out of reach of children.
Use only as described in this manual.

3. Package Contents

Contents of the LOMVUM Laser Measuring Device package

Image 3.1: The complete package contents, including the laser distance meter, carrying pouch, wrist strap, two AAA batteries, and user manual.

LOMVUM Laser Measuring Device (CJ01-165Ft)
2 x AAA Batteries
Hand Strap
User Manual
Package Box

4. Product Features and Components

Front and back view of the LOMVUM laser distance meter

Image 4.1: Front and back views of the device, highlighting the display, buttons, and laser warning label.

LOMVUM laser distance meter showing two bubble levels and reference points

Image 4.2: The device displaying its two integrated bubble levels for horizontal alignment and illustrating front and back reference points for measurement.

Backlit LCD: Large display for clear visibility in various lighting conditions.
Electronic Angle Sensor: Assists in finding horizontal direction and improving vertical bevel accuracy.
Integrated Bubble Levels: Two physical bubble levels for precise horizontal and vertical alignment.
Measurement Reference Points: Ability to switch between front and rear reference points for measurements.
Durable Design: Covered with soft rubber for shock and wear resistance, IP54 waterproof and dust-proof.
Internal Memory: Stores up to 20 groups of measurements.

5. Setup

5.1 Battery Installation

Locate the battery compartment on the back of the device.
Slide open the battery cover.
Insert two AAA batteries, ensuring correct polarity (+/-).
Close the battery cover securely.

6. Operation

6.1 Power On/Off

To power on: Press the Power button ().
To power off: Press and hold the Power button for a few seconds. The device will also auto-shutoff after a period of inactivity to save battery.

6.2 Unit Switching

LOMVUM laser distance meter displaying different measurement units: feet, meters, and inches

Image 6.1: The device screen showing measurements in feet (ft), meters (m), and inches (in), demonstrating the unit switching capability.

Press the UNIT button to cycle through measurement units: Meters (m), Inches (in), and Feet (ft).

6.3 Reference Point Selection

The device can measure from its front or rear edge. Press the Reference Point button to switch between the front and rear reference points. An icon on the display will indicate the active reference point.

6.4 Measurement Modes

Diagram showing various measurement modes: Distance, Area, Volume, and Pythagoras

Image 6.2: Visual representation of the four primary measurement functions: Distance, Area, Volume, and Pythagorean calculations.

Press the Function button to select the desired measurement mode.

Single Distance Measurement: Press the Measure button once to activate the laser, then press again to take a single measurement.
Continuous Measurement: In single distance mode, press and hold the Measure button to enter continuous measurement. The display will show real-time distance updates. Press again to stop.
Area Measurement: Select Area mode. The device will prompt for two measurements (length and width). Take the first measurement, then the second. The device will automatically calculate and display the area.
Volume Measurement: Select Volume mode. The device will prompt for three measurements (length, width, and height). Take each measurement as prompted. The device will automatically calculate and display the volume.
Image 6.3: The device screen showing the process of volumetric measurement, with 'a', 'b', and 'c' representing the three dimensions being measured in a room.
Pythagorean Measurement: Select Pythagorean mode. This mode allows indirect measurement of height or distance using the Pythagorean theorem. Follow the on-screen prompts to take the required measurements (e.g., hypotenuse and one leg).
Image 6.4: A visual guide to Pythagorean measurement, demonstrating how to calculate an unknown height (x) using two measured distances (a and b) to form a right triangle.
Auto Level/Height Measurement: This mode helps in finding horizontal and vertical directions. Refer to the display for guidance.

6.5 Data Storage and Recall

LOMVUM laser distance meter displaying multiple stored measurements

Image 6.5: The device screen showing a list of stored measurements, indicating its data storage capability for convenient recall.

The device can store up to 20 groups of measurements. Press the Memory button to access stored data. Use the arrow buttons to navigate through the stored measurements.

6.6 Mute Setting

LOMVUM laser distance meter being used in a quiet library setting

Image 6.6: The device being used in a quiet environment, illustrating the benefit of its mute function for discreet measurements in places like libraries or offices.

Press the Mute button to turn the measurement beep sound on or off, useful for quiet environments.

7. 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 when not in use. Remove batteries if storing for extended periods to prevent leakage.
Laser Lens: Keep the laser lens clean and free from dust or debris to ensure accurate measurements.

LOMVUM laser distance meter on a wet wooden surface, demonstrating its waterproof feature

Image 7.1: The device resting on a wet surface, highlighting its IP54 water resistance, which aids in maintenance and durability.

8. Troubleshooting

Problem	Possible Cause	Solution
Device does not power on	Low or dead batteries; Incorrect battery installation	Replace batteries; Check battery polarity
Inaccurate measurements	Laser lens dirty; Strong sunlight interference; Incorrect reference point	Clean laser lens; Avoid strong sunlight or use indoors; Verify reference point setting
Laser beam not visible	Environmental conditions (bright light); Laser auto-off	Use in dimmer conditions; Re-activate laser by pressing measure button
Cannot switch units	Button not pressed correctly; Device frozen	Ensure firm press on UNIT button; Remove and reinsert batteries to reset

9. Specifications

Feature	Specification
Measuring Range	0.1 to 165 feet (0.03 to 50 meters)
Accuracy	±1/16 inch (±2mm)
Units of Measurement	Meters (m), Inches (in), Feet (ft)
Laser Class	Class 2
IP Rating	IP54 (Waterproof and Dust-proof)
Battery Type	2 x AAA Batteries
Data Storage	20 groups
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-20°C to 60°C (-4°F to 140°F)
Material	Acrylonitrile Butadiene Styrene (ABS)
Dimensions (LxWxH)	4.25 x 1.97 x 0.94 inches

10. Warranty and Support

LOMVUM provides a 90-Day RETURN refund guarantee and a 2-year warranty for this product. For any inquiries, technical support, or warranty claims, please contact LOMVUM customer service. Lifetime support is available for all LOMVUM products.

For further assistance, please refer to the contact information provided in your product packaging or visit the official LOMVUM website.