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Spectra Precision® GL622N Grade Laser — The Easy-To-Use, Full-Featured Automatic Grade Laser.
The GL622N Dual Grade Laser is a rugged, automatic self-leveling laser with grade capability from -25% to +25%. This precision laser is self-leveling up to +/- 14 degrees, and is accurate within 1/16th of an inch at 100 feet. It features a laser receiver with an 800m (2,600 ft) range, and can be used for a wide variety of grade, excavating and alignment applications by general and specialty contractors.
This Spectra Precision laser comes with a radio remote control that provides fully functional capabilities up to 150m (490ft) from the laser transmitter – even from the cab of a machine. The graphical menu-driven interface makes the lasers simple and easy to use and can be set to 16 different languages.
The ability to operate the laser while working away from the laser transmitter can significantly reduce setup times and increase productivity. The Spectra Laser GL622N laser package includes the advanced HL760 Digital Readout Receiver that can be used at an operating diameter of up to 800m (2,600ft).
The Digital Readout allows the user to get to the on-grade position faster, as the distance is displayed to the on-grade position in mm, inches or fractional inches. Wireless communication between the receiver and the laser allows advanced functionality, such as Automatic Grade Matching, to be achieved.
Automatic Grade Matching and PlaneLok basically mean that the laser moves to the on-grade position on the receiver and the grade is then calculated – this is generally used when a constant fall is desired but the grade may not be known. This can be an incredibly useful feature when renewing existing driveways or matching existing surfaces.
The Spectra Precision Laser GL622N also comes with Automatic Temptation Compensation. This enables it to measure both pH and temperature at the same time and automatically correct itself for difference, giving you the most accurate readings possible.
The HL760 can be paired with another HL760, turning the second receiver into a remote display that allows a machine operator to see what the rod man is seeing when dipping for levels.
The GL622N is self-leveling in vertical, allowing more productivity by being able to carry out more tasks such as building axis alignment, setting 90 degrees or aligning anchor bolts.
Designed to be used on the toughest jobsites, the GL622N can withstand a 1m (3 ft) drop, is water resistant and can operate in temperatures from -20°C to 50°C (-4°F to 122°F).
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Specifications
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Leveling Accuracy
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+/- 1/16 in at 100'
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Grade Accuracy
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+/- 1/8 in at 100'
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Operating Range
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2,600' (800 m) Diameter
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Self Leveling Range
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+/- 14°
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Compensation
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Automatic Temperation Compensation
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Drop Height on Concrete
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3'
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Grade Range (Y, X)
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+/- 25% both Axes (not simultaneously) |
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Out of Level Warning
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Rotor stops, red out
of level HI-LED flashes
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Operating Time
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Ni-MH: 35 Hours
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Power Source
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NiMH battery pack
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Rotation Speed
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300, 600, 750 RPM
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Tripod Mount
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Horizontal and Vertical
5/8" x 11
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Operating Temperature
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-20°C to 50°C
-4°F to 122°F
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Water Resistant
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Yes, IP67
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Radio Range (HL760)
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up to 150 m
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Weight
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6.8 lbs
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Warranty
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5 Years
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Package Contents: GL622N, RC602N Remote, HL760 Detector, Detector Clamp, NiMH Batteries, Universal Charger and Carrying Case.
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Features
- Multiple Applications: Spectra Precision GL622N provides the ability to control level, alignment, single grade /dual grade and set 90 degrees
- Automatic Self-Levelling: Provides fast, easy set-up for horizontal level, grade or vertical alignment
- Automatic Grade Matching: Laser moves to the on-grade position on the receiver automatically by communicating wirelessly with the receiver and the grade is then calculated – this is generally used when a constant fall is desired but the grade may not be known (renewing existing driveways or matching existing surfaces)
- Grade Range: Large, fully compensated grade range from -25% to 25% - keeping the laser leveled no matter what grade you need reducing errors and improving productivity
- Anti-Vibration Filter: A laser can be affected high vibration or strong wind, especially when the laser is mounted on a tall tripod – G622N has an anti-vibration filter that can be set according to the conditions allowing work to continue regardless of wind conditions or excessive vibrations
- Temperature Compensation & PlaneLok: As temperature fluctuates throughout the working day, the internal components of a laser can expand and contract which can cause some additional error without the user noticing
- This is can firstly be resolved through the automatic temperature check that the laser performs where the internal software calibrates the laser to its optimal performance based on the temperature
- This keeps the laser beam fixed to a receiver in a set a position eliminating any error that can be caused by fluctuating temperatures, keeping the laser accurate and error free
- Additionally the PlaneLok function can be activated
- Automatic Axis Alignment: Allows the user to set-up simply and quickly, maintaining accuracy and eliminating costly errors
- Rugged: The GL622N can withstand a 1 m (3 ft) drop directly onto concrete or 1.5 m (5 ft) pushover on tripod, eliminating costly repairs
- Mask Mode: The GL622N has a virtual masking function that allows the laser beam to be turned off in up to 3 sides, avoiding false reading from glass reflections or interfering with other lasers on the same jobsite
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