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The UNI-T LM320B is an advanced, professional-grade digital angle meter engineered for applications requiring the highest levels of precision and convenience in angle measurement and leveling. As the enhanced model in UNI-T's LM320 series, this instrument builds upon the foundation of the LM320A by adding a unique dual-laser guidance system for unparalleled alignment accuracy .
Designed for professionals in construction, woodworking, machinery setup, and automotive repair, the LM320B delivers reliable angle readings with a resolution of 0.01° and an accuracy of ±0.2° . Its combination of a powerful four-sided magnetic base, dual lasers for layout work, and a user-friendly reverse-contrast display with backlight makes it the ultimate tool for precision angle measurement in any environment .
Dual-Laser Guidance System: A defining feature of the LM320B, the integrated two-side lasers allow for precise marking and alignment of measured angles onto workpieces, making layout work faster and more accurate .
Exceptional Precision: Measures angles with high accuracy of ±0.2° and a fine resolution of 0.01°, providing reliable data for critical applications .
360° Comprehensive Measurement: Capable of measuring across a full 4×90° range, allowing you to measure any angle in any orientation around the meter .
Powerful 4-Sided Magnetic Base: Features a powerful magnetic bottom on all four sides, allowing for secure, hands-free attachment to metal surfaces such as machinery, saw blades, and workbenches from any angle .
Clear Reverse-Contrast Display: Equipped with an EBTN (reverse display) screen with backlight and auto-rotate function, ensuring readings are sharp and easy to see, even in bright sunlight or low-light workshop conditions .
Relative & Absolute Measurement Modes: Easily switch between absolute measurement to find a true angle and relative measurement to find the difference between two surfaces .
Multiple Unit Display: Supports unit switching between degrees (°), mm/m, in/ft, and percentage (%) for versatile application needs .
Data Hold Function: Locks the current reading on the screen, allowing you to document measurements after the tool has been moved .
Portable & Durable Design: Housed in a lightweight aluminum alloy frame, it weighs only 106g and features a compact 60×60×30mm footprint for easy portability and storage .
Rechargeable Battery: Powered by a built-in 3.7V, 300mAh lithium battery that charges conveniently via a standard USB Type-C interface. It provides up to 2 hours of continuous operation on a full charge .
User-Friendly Features: Includes practical functions like an auto power-off after 5 minutes of inactivity to conserve battery life, and a low battery indication to prevent unexpected downtime .
| Item | Quantity |
|---|---|
| UNI-T LM320B Digital Angle Meter | 1x |
| Type-C Male to Female Extension Cable | 1x |
| USB Power Adapter | 1x |
| User Manual | 1x |
| Gift Box Packaging | 1x |
The LM320 series offers two models, with the LM320B being the advanced version with enhanced features .
Simply place the LM320B on the surface to be measured. Its wide 360° range means it can measure any angle in any orientation .
The high-contrast backlit display updates quickly, showing the precise angle to 0.01° .
The defining feature is the two-side laser design. Activate the lasers to project visible lines that extend the measured angle onto the workpiece, allowing for instant, accurate layout and transfer of angles for cutting or alignment tasks .
Absolute Measurement: This is the default mode, which displays the true angle of a surface relative to a zero reference point (e.g., level or plumb).
Relative Measurement: Use this mode to find the angle between two surfaces. Zero the meter on the first surface, then place it on the second surface to see the exact difference .
The powerful magnets on all four sides of the base allow you to securely attach the LM320B to any ferrous metal surface from any direction. This frees up your hands for marking, cutting, or adjusting .
Press the HOLD button to freeze the current reading on the display. This is particularly useful for documenting measurements in awkward or confined spaces .
Easily switch the measurement readout between degrees (°), millimeters per meter (mm/m), inches per foot (in/ft), or percentage (%) to suit your specific task .
Powered by a long-lasting lithium battery, the LM320B eliminates the need for disposable batteries. When power runs low, simply recharge via the USB Type-C port using a standard phone charger, power bank, or laptop .
The UNI-T LM320B's advanced features, especially the dual lasers, make it an ideal tool for professionals and hobbyists in numerous fields :
Setting precise angles for saw blades on table saws, miter saws, and band saws, with lasers confirming the layout line.
Measuring and transferring complex angles for joinery and custom furniture.
Ensuring precise cuts for crown molding and trim work with laser-projected cut lines.
Setting precise angles for rafters, stairs, and roofing, with lasers for layout.
Checking the level and plumb of walls, foundations, and structures.
Setting up and aligning construction equipment.
Setting up and calibrating machinery and tooling with laser guidance.
Verifying the angle of workpieces and fixtures.
Quality control and inspection of fabricated parts.
Measuring driveline angles for proper alignment.
Checking suspension and chassis angles.
Setting up fabrication and welding projects with laser marking.
Hanging shelves, pictures, and cabinets perfectly level.
Installing gutters with proper slope for drainage.
Laying out projects for decks, fences, and landscaping.
A versatile tool for any job requiring a precise angle or level check, with the added benefit of laser marking for layout.
The UNI-T LM320B is a sophisticated, high-performance angle meter that represents the pinnacle of precision and functionality in its class. Building on the core strengths of the LM320A, it adds the game-changing features of a dual-laser guidance system and a four-sided magnetic base, transforming it from a measurement tool into a complete layout and alignment solution .
The official UNI-T product description highlights its "unique laser design" and "four-side magnets," which "makes the measurement more accurate and convenient" . This makes the LM320B the definitive choice for professionals who need to not only measure but also mark and transfer angles with the highest level of confidence.
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