Bosch Professional Power Tools & Accessories

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

Functions & key features

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

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639.00 EUR Recommended retail price excluding VAT

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Your Selected Variant

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

639.00 EUR Recommended retail price excluding VAT

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Your Selection

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

Order number: 0 601 061 800

639.00 EUR

Recommended retail price excluding VAT

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Included in all variants

2 x 1.5 V LR20 battery (D)
Non-rechargeable battery compartment

Order number: 1 609 203 M02
Laser Receiver LR 1 Professional

Order number: 0 601 015 400
1 x 9 V block battery (6LR61)

Additional in this variant

Carrying case (spare part number 1 608 M00 05F)

Your selection

Your Selection

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

Order number: 0 615 994 0JY

843.00 EUR

Recommended retail price excluding VAT

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Included in all variants

2 x 1.5 V LR20 battery (D)
Non-rechargeable battery compartment

Order number: 1 609 203 M02
Laser Receiver LR 1 Professional

Order number: 0 601 015 400
1 x 9 V block battery (6LR61)

Additional in this variant

Rotation Laser GRL 400 H Professional
Carrying case
Building Tripod BT 152 Professional
Measuring rod GR 2400 Professional

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Technical data

Additional data
Working range with receiver, value	400 m
Dust and splash protection	IP 56
Working range with receiver	up to 400 m (Diameter)
Accuracy	± 2.4 mm at 30 m* (*plus use-dependent deviation)
Laser diode	635 nm, < 1 mW
Operating temperature	-10 – 50 °C
Storage temperature	-20 – 70 °C
Laser class	2
Working range without receiver	up to 20 m (Diameter)
Self-levelling range	± 8% (± 5°)
Levelling time	15 s
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
Slope function	no

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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Our products can be clearly identified using the ten-digit part number on the tool. Please make sure that the part number below matches the number in the information box on your tool. If the part number below does not match the one on your tool, please use our spare parts catalogue to search directly for the part you require.