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Rotation lasers

GRL 400 H Professional

Rotation Laser

Jobsite-ready – the intuitive, single-button tool for outdoor levelling applications

  • One-button keypad, Electronic Self Levelling functionality, and convenient battery tray
  • Consistently accurate results with an accuracy of ± 2.4 mm at 30m and an ADS shock warning system
  • Withstands harsh conditions of any outdoor jobsite thanks to water and dust protection IP56
See technical details

Functions & key features

Working range with receiver up to 400 m diameter
Laser class 2
IP56 protected against dust and powerful water jets

Your Selection

  • in carrying case with 2 x battery (LR20), receiver
Show variant
£697.16 Including VAT

in stock

Estimated delivery time 2-5 working days

Buy from a Bosch Partner

in carrying case with 2 x battery (LR20), receiver 0 601 061 800
£697.16 Including VAT

GRL 400 H Professional

Your Selection

in carrying case with 2 x battery (LR20), receiver

Part Number: 0 601 061 800

£697.16

Including VAT

in stock

Buy from a Bosch Partner

Technical data

The most important data

Laser diode 635 nm, < 1 mW
Operating temperature -10 – 50 °C
Storage temperature -20 – 70 °C
Laser class 2
Working range with receiver* up to 400 m (Diameter)
Working range without receiver* up to 20 m (Diameter)
Accuracy* ± 2.4 mm at 30 m* (*plus use-dependent deviation)
Self-levelling range ± 8% (± 5°)
Levelling time 15 s
Dust and splash protection IP 56
Rotation speed 600 rpm
Power supply 2 x 1.5 V LR20 (D)
Tripod thread 5/8"-11
Weight, approx.** 2 kg
Colour of laser line red
Compatible laser receivers LR 1

* Plus use-dependent deviation. You can find more information about the deviations in the following link: Technical features of products

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

GRL 400 H Professional: Further information

Product Highlights

Easy to use and ready to go – the intuitive, single-button GRL 400 H rotary laser is always prepared for use at a moment´s notice when performing outdoor-levelling applications. Its one-button keypad, Electronic Self Levelling functionality, and convenient battery tray enable straightforward work with an easy setup and simple battery replacement – without even moving the tool. With an accuracy of ± 2.4 mm at 30m and an ADS shock warning system that indicates if the tool's position has changed, the GRL 400 H prevents levelling errors and delivers consistently accurate results.

Equipment & Application

From determining cut and fill values for excavation and footings, to levelling concrete forms and landscaping, this tool does an excellent job. This rotary laser is prepared to withstand the harsh conditions of any outdoor jobsite thanks to its water and dust protection IP56.

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