Laser measures
Bosch GLM 20 laser measure with digital display.
Person measuring ceiling distance on a construction site using a laser measure.
Person using a laser measure to check distance in a wooden framed room.
Person uses a laser measure against drywall, projecting a straight red guide line.

GLM 20 Professional

Laser Measure

High Precision System

Distance measurement – easy, compact, for professionals

  • One button for everything – intuitive and easy measuring
  • Compact – easily fits into any pocket

Functions & key features

Range 0.15–20 m
One button
Continuous measurement
Display light
Accuracy ±3 mm

Your Selection

  • with 2 x battery (AAA), Manufacturer’s certificate
Show variant Find a local dealer

with 2 x battery (AAA), Manufacturer’s certificate 0 601 072 EG0

GLM 20 Professional

Your Selection

Bosch GLM 20 laser measure with digital display.
with 2 x battery (AAA), Manufacturer’s certificate

Order number: 0 601 072 EG0

Find a local dealer

Included in this variant

  • Manufacturer’s certificate
  • 2 x 1.5 V LR03 battery (AAA)

Technical data

Additional data

Laser diode
635 nm, < 1 mW
Measurement range
0.15 – 20.00 m
Measuring range, up to
20 m
Weight, approx.
0.13 kg
Measurement time, typical
0.5 s
Units of measurement
m/cm, ft/inch
Laser class
2
Measurement accuracy, typical
± 3.0 mm s
Power supply
2 x 1.5 V LR03 (AAA)
Automatic deactivation
5 min
Battery lifetime, individual measurements, approx.
5,000 Unit
Battery lifetime, operating time, approx.
5 h
Laser colour
Red

* You can find more information about the deviations in the following link: Technical features of products