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60m Laser Distance Meter

UNI-T UT391 is a compact, reliable and useful Laser Distance Meter that uses laser light waves instead of ultrasonic, and measures its reflection to accurately determine distances. The UT391 Laser Distance Meter can measure distance and volume of the given areas.

Easy and convenient, the UT391 allows you to measure distances between 0.1m ~ 60m or 4in ~ 197ft.

A convenient replacement to traditional measuring tools.

Basic Function


Best Accuracy

Measurement Distance 0.1m ~ 60m ± 1.5 mm
4 in ~ 197 ft ± 0.06 in

Special Functions

Area, volume calculations Has m2 / ft2 / m3 / ft3 units
Indirect measurement using Pythagoras Support 2, 3 indirect measurements
Addition / subtraction Yes
Continuous measurement Yes
Min/max distance tracking Yes
Display illumination & multi-line display Max 4 displays
D Datum option Can choose front edge or end piece edge as datum
Buzzer indication Yes
Backlight display White, can auto switch-OFF
Auto Bias Technology™ Support for external calibration
Error indicator Display error code
Data hold Auto
History measurement records 20
Data clear Yes
Battery indicator High, mid, low
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Laser auto switch-OFF After 0.5 min
Auto instrument switch-OFF After 3 min
Waterproof IP54
Laser type 635nm, <1mW,  Class II
Measurement speed 3 times/s
Power AAA battery (2 x 1.5V)
Weight 100g
Dimensions 116 x 49 x 28 mm (H x W x D)
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Package contains

1 x UT391 Laser Distance Meter
1 x Screwdriver
2 x Battery
1 x User manual
1 x Carry case
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