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Spectra Precision Grade Laser GL422N-14 Dual Grade Laser CR700 Receiver

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Product Description


  • GL422N are grade plus horizontal and vertical lasers. Simple, accurate dial-in grade from -10% to +15% (Dual GL422N)
  • Up to 2,600 ft (800 m) working diameter which increases productivity by reducing the need for multiple set-ups on a large job site
  • Fast setup, minimal training time and automatic self-leveling minimize operating costs and boost productivity
  • Highly rugged design and patented lighthouse seal protects the rotor head and glass and offers superior drop and weather protection for reduced downtime
  • The 2-way full-function remote control allows grade changes to be made from anywhere on the job site
  • Temperature calibrated for high accuracy over wide temperature changes
  • IP66 dust and water-proof to withstand harsh job site conditions
  • with CR700 receiver
  • Mask mode eliminates interference from other crews on the job site
  • Automatic Grade Match and PlaneLok


  • Leveling concrete forms and footers
  • General construction vertical alignment and plumb such as anchor bolt and form alignment
  • "Over the top" sewer and storm drain pipe installations
  • Grading and excavating
  • Driveways and ramps
  • Trenching
  • Steep slope road embankments and ditch banks


  • Type: Dual
  • Power Source: NiMH or alkaline batteries
  • Protection Class: IP66 dustproof and powerful water jet resistant
  • Adjustable Rotating Speed: 300, 600 RPM
  • Maximum Power Output: <3.4 mW
  • Weight: 6.8 lbs (3.1 kg)
  • Remote Control: RC402N
  • Detector/Receiver: CR700
  • Accuracy Horizontal: ±1/16 inch at 100 feet
  • Accuracy Vertical: ±1/16 inch at 100 feet
  • Storage: -4 to 158 °F (-20 to 70 °C)
  • Operating: -4 to 122 °F (-20 to 50 °C)

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