Compare angles without doing the conversion yourself
Switch between degrees, percent, mm/m and in/ft while using absolute or relative measurement for different setup tasks.

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Why it works
The UNI-T LM320D/E/F series combines 4×90° angle measurement, ±0.2° accuracy, relative and absolute modes, unit conversion and rechargeable power.
Key benefits
Switch between degrees, percent, mm/m and in/ft while using absolute or relative measurement for different setup tasks.
Magnetic mounting holds the tool on compatible ferrous surfaces so your hands can stay available for the work.
Choose LM320D for digital measurement only, LM320E for two laser lines or LM320F for three laser lines.
A built-in 3.7 V 1000 mAh lithium battery powers the series, with runtime varying by model.
Details that matter
The UNI-T LM320 series measures angles across a 4×90° range with ±0.2° accuracy and 0.05° resolution. Absolute and relative modes help with direct readings or comparison work, while unit switching lets you view slope information in degrees, percent, mm/m or in/ft depending on the job.
LM320D focuses on digital angle measurement without laser lines. LM320E adds two laser lines and LM320F adds three, extending the tool from contact measurement into visual reference work. The rechargeable 1000 mAh battery avoids routine disposable-battery replacement, while magnetic sides help hold the gauge on compatible ferrous surfaces.
How it works
Select LM320D for digital angle measurement, LM320E for two laser lines or LM320F for three laser lines.
Use the magnetic surfaces on compatible ferrous material or position the inclinometer securely on the surface to be measured.
Use absolute or relative measurement, switch units if needed and use data hold when you want to preserve a value.
The specifics
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