Bosch GRL 300 HVG Rotation Laser

Easy handling with horizontal and vertical self-levelling
  • Easy to operate thanks to one button per function and self
  • Easy to set up in both the horizontal and vertical modes due to automatic self-levelling of 8% (± 5°)
  • The shock warning function, which can be switched on and off, prevents levelling errors in the event of shocks or vibrations

Technical data

Working range*

100 m

Working range with receiver*

300 m (Diameter) 


± 0.1 mm/m 

Laser diode

532 nm, < 5 mW 

Operating temperature, from

0 °C

Operating temperature, up to

40 °C

Operating temperature

0 – 40 °C

Storage temperature, from

-20 °C

Storage temperature, up to

70 °C

Storage temperature

-20 – 70 °C

Laser class


Working range with receiver, value

300 m

Working range with receiver, appendage


Working range without receiver, value

100 m

Working range without receiver, appendage


Working range without receiver

100 m (Diameter) 

Self-levelling range

± 5° (8%) 


Additional Data

Levelling time

15 s

Dust and splash protection

IP 54 

Rotation speed

150, 300, 600 rpm 

Power supply

2 x 1.2 V HR20 (D) (9 Ah), 2 x 1.5 V LR20 (D) 

Operating time (max.)

Rechargeable batteries (NiMH) 20 h 

Tripod thread


Weight, approx.

1.8 kg

Colour of laser line


Compatible laser receivers