Spectra Precision® GL612N Grade Laser — Easy-To-Use, Full Featured Automatic Grade Laser.
The GL612N Single Grade Laser is a rugged, automatic self-leveling laser with grade capability from -25% to + 25% and can be used for a wide variety of grade, excavating and alignment applications by general and specialty contractors.
This laser comes with a radio remote control that provides fully functional capabilities up to 150m (490 feet) from the laser transmitter – even from the cab of a machine.
Each laser package includes the advanced HL760 Digital Readout Receiver that can be used at an operating diameter of up to 800m (2,600 feet).
The HL760 can be paired with another HL760 turning the second receiver into a remote display that could allow a machine operator to see what the rodman is seeing when dipping for levels.
■ Leveling accuracy1,3: ± 0.5 mm/10 m,
1/16“ @ 100 ft, 10 arc seconds
■ Grade accuracy1,3: ± 1.0 mm/10 m,
1/8“ @ 100 ft, 20 arc seconds
■ Operating diameter1,2: appr. 800 m (2600 feet)
■ Grade range (Y, X-GL622N): ± 25% both axes
■ Rotation: 300, 600, 750 rpm
■ Laser type: 639 nm
■ Laser class : Class 2
■ Self-leveling range: appr. ± 14°
■ Leveling indicators: LCD indications and LED flashes
■ Radio range (HL760)1,2,4: up to 150 m (490 ft)
■ Power source: NiMH battery pack
■ Battery life1
: 35 hours NiMH
■ Operating temp.: -20°C to 50°C (-4°F to 122°F)
■ Storage temp.: -20°C to 70°C (-4°F to 158°F)
■ Tripod attachments:
5/8 x 11 horizontally and vertically
■ Dust and waterproof: Yes – IP67
■ Weight: 3.1 kg (6.8 lbs)
■ Low voltage indication: LCD battery indicator
■ Low voltage disconnection: unit shuts off
■ Warranty: 5 Years