Spectra Precision GL622N Grade Laser
TF:
006108-HW-SPECTRA-008
Overview
The GL622N Grade Laser
| Leveling Accuracy | ± 0.5 mm/10 m, 1/16“ @ 100 ft, 10 arc seconds |
| Grade Accuracy | ± 1.0 mm/10 m, 1/8“ @ 100 ft, 20 arc seconds |
| Grade temperature drift sensitivity | ± 0,3 mm / 10 m / 1°C; 1/16” @ 310 ft. @ 1°F |
| Operating Diameter | Approx. 800 m (2600 feet) with detector |
| Grade Range | ± 25% both axes (not simultaneously) |
| Rotation | 300, 600, 750 rpm |
| Laser Type | 639 nm (GL622IR: typ.830 nm) |
| Laser Class | Class 2 (GL622IR: class 1) |
| Self-leveling Range | approx. ± 14° |
| Leveling Indicators | LCD indications and LED flashes |
| Power Source | NiMH battery pack |
| Battery Life | 35 hours NiMH (GL622IR: 40 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 |
Spectra Precision® GL622N/GL622IR Grade Lasers. Easy-To-Use, Full Featured Automatic Grade Lasers. The GL622N Dual Grade Laser is rugged, automatic self-levelling 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 speciality contractors.