Easy to use and always ready – the intuitive one-button GRL 400 H rotation laser is ready in an instant for outdoor levelling work. The tool's one-button keypad, electronic self-levelling function and convenient battery tray allow immediate use with easy set-up and battery changes – without even moving the tool. With an accuracy of ± 2,4 mm at 30 m and the ADS anti-drift warning function, which signals when the tool's position has been changed, the GRL 400 H prevents levelling errors and ensures consistently accurate results.
Key features
- One-button keypad, electronic self-levelling function and convenient battery tray
- Consistent accuracy of ± 2,4 mm at 30 m and ADS anti-drift warning function
- Withstands any harsh outdoor conditions thanks to IP56 water and dust protection
Technical data
- Laser diode: 635 nm, < 1 mW
- Operating temperature: -10 – 50 °C
- Storage temperature: -20 – 70 °C
- Laser class: 2
- Working range with receiver: 400 m (diameter)
- Working range without receiver: 20 m (diameter)
- Levelling accuracy: ± 2,4 mm at 30 m
- Self-levelling range: ± 8% (± 5°)
- Levelling time: 15 s
- Dust and splash protection: IP56
- Rotation speed: 600 min-¹
- Power supply: 2 x 1,5 V LR20 (D)
- Weight, approx.: 2 kg
- Laser line colour: red
- Compatible laser receivers: LR 1
- Packaging dimensions (width × length × height): 360 x 440 x 242 mm
Scope of delivery
- 1 x 9 V 7HR9V VARTA rechargeable battery
- Mounting bracket Order number: 1 608 M00 70F
- Laser receiver LR 1 Professional Order number: 0 601 015 400


