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The UNI-T LM320A is a professional, high-precision digital angle meter engineered for applications requiring accurate angle measurement and leveling. As part of UNI-T's specialized LM320 series, this compact and lightweight instrument delivers reliable angle readings with a resolution of 0.01° and an accuracy of ±0.2° .
Designed for a wide range of trades, from construction and woodworking to machinery setup and automotive repair, the LM320A features a durable aluminum alloy frame, a built-in magnetic base for hands-free operation, and a user-friendly reverse-contrast display with backlight for easy reading in any environment . Its ability to measure across a full 360° range makes it an indispensable tool for professionals and DIY enthusiasts alike .
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 Magnetic Base: Features a two-sided magnetic bottom that allows for secure, hands-free attachment to metal surfaces such as machinery, saw blades, and workbenches for stable and convenient measurement .
Clear Reverse-Contrast Display: Equipped with an EBTN (reverse display) screen with backlight, 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 .
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 setting to conserve battery life, and a low battery indication to prevent unexpected downtime .
| Item | Quantity |
|---|---|
| UNI-T LM320A Digital Angle Meter | 1x |
| Type-C Male to Female Extension Cable | 1x |
| USB Power Adapter | 1x |
| User Manual | 1x |
| Gift Box Packaging | 1x |
The LM320A is the base model in the series, while the LM320B adds features for enhanced functionality .
| Feature | LM320A | LM320B |
|---|---|---|
| Magnetic Base | Two-sided magnets | Four-sided magnets |
| Laser Guidance | No | Two-side laser design for alignment |
| Best For | General measurement, workshop, DIY | Layout, alignment, and advanced tasks |
Simply place the LM320A 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° .
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 two-sided magnets on the base allow you to securely attach the LM320A to any ferrous metal surface. 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 .
Powered by a long-lasting lithium battery, the LM320A 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 LM320A is an ideal tool for professionals and hobbyists in numerous fields :
Setting precise angles for rafters, stairs, and roofing.
Checking the level and plumb of walls, foundations, and structures.
Setting up machinery and equipment.
Setting saw blade angles on table saws, miter saws, and band saws.
Measuring and transferring angles for joinery and custom furniture.
Ensuring precise cuts for crown molding and trim work.
Setting up and calibrating machinery and tooling.
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.
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.
The UNI-T LM320A is a sophisticated, high-performance angle meter that delivers professional-grade accuracy and versatility at an accessible price point. Its combination of ±0.2° accuracy, a clear backlit display, a powerful magnetic base, and USB-C rechargeability makes it an indispensable tool for anyone serious about precision measurement.
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