GL422N Grade Laser

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Product Overview

The Spectra Precision GL422N is a dual grade laser that also offers long-range operation in addition to grade capability of -10% to +15%. An RC402N full-function remote control offers an easy to use menu-driven interface. The radio remote operates at a range up to 333 ft (100m) and provides the ability to make grade changes and start automatic alignments remotely, which can significantly reduce setup time.

Features

  • Easy-to-use menu-driven interface reduces learning time and eliminates complex button pressing to activate advanced features
  • Dual grade automatic self-leveling of -10% to +15%
  • One person elevation control within 2,600 ft (800m) diameter range increases productivity
  • RC402N radio remote control allows control of all laser functions from up to 330 ft (100m) away
  • Maintains performance even in rainy, dusty, and other harsh job site and weather conditions - IP66 environmental rating
  • Durable design reduces downtime due to drops and tripod tip-overs
  • Automatic Grade Match eliminates time-consuming and error-prone calculation
  • Mask mode eliminates interference with other crews on the jobsite
  • Comes with choice of CR700 or HL760 receivers so you can choose the best option to suit your application

Applications

  • Leveling concrete forms and footers
  • General construction vertical alignment and plumb such as anchor bolt and form alignment
  • Sports fields, tennis courts and driveways
  • Grading and excavating
  • Steep slope road embankments and ditch banks
  • Ramps and drainage

Specifications

GL412N

  • Leveling Accuracy: ±1.5mm/30m 1/16" @ 100ft, 10 arc seconds
  • Operating Diameter: appr. 800m (2,600 ft)
  • Grade Range: -10% to +15%
  • Rotation: 300, 600 RPM
  • Laser Type: Red diode laser 650nm
  • Laser Class: Class 2, <3.4mW
  • Self-Leveling Range: ±5° (±9%)
  • Leveling Indicators: LCD indications and LED flashes
  • Radio Range (HL760): up to 100m (330ft)
  • Power Source: 10.000 mAh NiMH battery pack
  • Battery Life: 35 hours NiMH, 50 hours alkaline
  • 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 & Waterproof: Yes IP66
  • Weight: 3.1kg (6.8 lbs)
  • Low Voltage Indication: LCD battery indicator
  • Low Voltage Disconnection: Unit shuts off
  • Warranty: 5 Years

RC402N Remote Control

  • Operating Range: Up to 100m (330ft)
  • Power Source: 2 x 1.5V AA alkaline batteries
  • Battery Life: 130 hours
  • Dust & Waterproof: Yes IP66
  • Weight: 0.26kg (0.57 lbs)

HL760 Digital Readout Receiver

  • Digital Readout Units: mm, cm, ft, in, frac
  • Reception Height: 127mm (5 in)
  • Six On-Grade Sensitivities: 
    • Ultra Fine - 0.5mm (~1/32")
    • Super Fine - 1mm (~1/16")
    • Fine - 2mm (~1/8")
    • Medium - 5mm (~1/4")
    • Coarse - 10mm (~1/2")
    • Calibration Mode - 0.1mm (~1/64")
  • Battery Life (2 x AA): 60+ hours of continuous operation
  • Auto Shut-Off: 30 minutes/24 hours
  • Operating Temp: -20°C to 50°C (-4°F to 122°F)
  • Dust & Waterproof: Yes IP67
  • Weight: 0.27kg (9.5 oz)
  • Warranty: 3 Years "No Excuses"

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