Digital protractor UNI-T LM320D

Product detailed description

We offer a 3-year warranty on this product.

The LM320D Digital Protractor is a lightweight and portable protractor with a durable aluminium alloy frame, guaranteeing durability on the job. It allows you to accurately measure the inclination of the plane, replacing the spirit level for work in the construction industry - in the construction of roofs, floors, drains. It is equipped with a high-resolution display and automatic screen rotation, which supports the entire measurement range of 4×90°. The device provides real-time tilt angle data and is equipped with a magnetic base for easy and stable positioning. The basic unit of measurement is degree (°), but other units can be selected: percent (%), millimeters per 1m of length or inches per 1ft. It is widely used in engineering, construction and mechanical installations. The instrument has a built-in 3.7V, 1000mAh lithium battery, which is recharged in the instrument with the included USB-C cable.


Product Parameters :

- precision digital protractor (inclinometer)
- aluminium alloy frame, lightweight and portable
- angle measurement 4×90°
- relative/absolute measurement modes
- multiple unit options: mm/m, in/ft, %, °
- 1000 mAh rechargeable lithium battery
- rotatable screen with LED backlight
- fitted with magnetic bases
- certification:CE, RoHS
- language


Technical parameters:

- measuring range: 4 x 90°
- measurement resolution: ± 0.05°
- angle measurement accuracy: ± 0.2°
- units: °; %; mm/m ; in/ft
- laser indication: no
- laser precision: no
- magnetic attachment to the substrate: double-sided magnetic (bottom and back)
- angle measurement modes: relative / absolute measurement
- holding angle: yes
- screen rotation: yes
- automatic shut-off: yes
- material: frame made of AL alloy + ABS
- power supply: lithium battery 3.7 V / 1000 mAh
- working temperature: 0°C to 50°C
- laser class: no
- laser type: no
- battery life: 14 hrs.
- product size: 83.5 x 70 x 35.5 mm
- net product weight: 180 g
- product colour: black and red


Contents of individual packaging:
- digital protractor
- uSB-C extension cable
- instructions for use:


MANUFACTURER: UNI-TREND