UNI-T LM120A Laser Distance Meter (up to 120 meter)

The UNI-T LM120A is a precision laser distance meter designed to deliver dependable measurements over long distances. With its clean, modern design and well-balanced shape, it fits comfortably in the hand, enabling users to employ it easily in both field and indoor settings. The meter projects a visible laser line that facilitates aiming with accuracy, even on targets at a distance. The screen displays measurement data clearly, allowing immediate understanding of distance, volume or area results. For professionals and serious hobbyists alike, the LM120A gives confidence when measuring large spans — walls, open spaces, outdoor distances thanks to its ability to reach up to 120 meters.

Internally, the LM120A places emphasis on measuring with consistent repeatability. Even across long or indirect distances, the device holds tolerance to maintain precise results, helping avoid the frustration of mis-estimates. Its buttons and user-interface design are laid out for intuitive operation; switching between measurement modes, units or reference points is meant to feel straightforward. The housing is built to resist everyday wear tossed into tool bags, used outdoors, moved between jobsites without compromising its optical or mechanical integrity.

Although powerful, the LM120A is not just about raw range it balances performance with utility. Memory capacity to retain past measurements helps when comparing or summing values without having to re-measure. Battery use and auto shut-offs are arranged to save power when idle. The device’s display and readout design allow visibility in different light conditions. All told, the LM120A presents itself as more than just a long-range laser meter: it is a dependable tool for those who need accuracy, flexibility, and ease of use in measuring distances, areas, and volumes in work or projects.

• Millimeter accuracy.
• Storage of many groups of data (e.g. 99).
• Area, volume, addition & subtraction measurement modes.
• Physical/horizontal & vertical bubble leveler.
• Multiple measurement modes: single, continuous, max/min.
• Self-calibration.
• Auto power off (device idle).
• Auto laser shut-off after delay.
• Choice of measurement unit (meters, feet, inches).
• Reference point selection (front / rear).

Specifications:

Specifications	LM120A
Certifications	RoHS
Display size	2.0-inches
Range	120m
Display type	LCD
Min. display unit	0.001m
Measurement units	m/ft/in
Measurement basis	front/rear
Accuracy	±(2mm+5 x 10-5D)
Laser class	2
Laser type	630~670nm, ﹤1mW
Features
Single measurement	√
Continuous measurement	√
Max/Min/Area	√
Volume	√
Pythagoras	√
Add/Subtract	√
Self-calibration	√
Horizontal bubble	√
Data storage	99 groups
Auto power off	3 minutes without operation
Auto laser off	30s without operation
Storage temperature	-20℃~60℃
Operating temperature	0℃~40℃
General Characteristics
Power	1.5V battery (LR03) x 2
Product Color	Red and grey
Product size	122mm x 52mm x 29.5mm

Applications:

Volume measurement

Area measurement

Single measurement (1)

Single measurement (2)

Package Contents:

• 1× UNI-T LM120A laser distance meter
• 1× soft carrying case / pouch
• 1× user manual (English)
• 2× LR03 (AAA) 1.5V batteries

Documents:

• Datasheet 
• User Manual