Rotation laser
GRL 400 H Professional

The most important data
Working range with receiver 400 m (Diameter) 
Levelling accuracy ± 0.08 mm/m 
Self-levelling range ± 5° (8%) 

* Recommended retail price excluding VAT

Advantages: GRL 400 H Professional
The easy-to-operate rotation laser for outdoor use
  • Easy handling: single-button function
  • Self-levelling of 8% (± 5°) in the horizontal mode
  • Automatic shock warning function prevents levelling errors in the event of vibrations or shocks
Application images
GRL 400 H Professional Open gallery
Technical data: GRL 400 H Professional
Laser diode 635 nm, < 1 mW 
Laser class
Working range with receiver 400 m (Diameter) 
Levelling accuracy ± 0.08 mm/m 
Self-levelling range ± 5° (8%) 
Dust and splash protection IP 56 
Rotation speed 600 rpm 
Power supply 2 x 1.2 V HR20 (D) (9 Ah) 
Operating time, max. Rechargeable batteries (NiMH) 30 h 
Tripod thread 5/8" 
Weight, approx. 1,8 kg
Length 190 mm
Width 180 mm
Height 170 mm
Colour of laser line red 
Laser class 2
Laser class 2

Laser class for measuring tools.

Test reports
Appropriate accessories

Whatever you plan to do — you can rely on original accessories from Bosch.
You are guaranteed to find the appropriate accessory for your Bosch tools in our accessories catalogue.

Go to accessories catalogue

Your search query is being processed.
Please wait a moment

    Go to top of page

    Imprint | Press | Power tools
    The Bosch Group worldwide | Jobs and careers | Research and development | Purchasing and logistics | Quality

    © Robert Bosch GmbH