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Spectra Precision GL720 Dual Grade Laser

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The Spectra Precision GL720 Dual Grade Laser is easy to use and provides long range, high accuracy dual grade capability. With a grade range of +/-10% in the X-axis and 0.5 to +25% in the Y-axis, combined with a 900m operating range no job is too small for this laser. The GL720 is ideal for:

  • 3D Grade Control with Laser Augmentation
  • Site Preparation
  • Landfill
  • General Construction

Trimble's innovative technology ensures higher accuracy than ever before over a variety of machine control and general construction applications. Plus unique features help reduce beam drift errors and speed up setup and grade changing to optimise worker and machine productivity. The Spectra Precision Laser GL700 Series from Trimble has four robust models, so you can select the right laser transmitter for the right application. 

Spectra Precision GL720 Dual Grade Laser Spectra Precision GL720 Dual Grade Laser


Features & Benefits:

  • Active temperature compensation: Accurate, stable results regardless of temperature changes
  • Protective Lens Hood: Ensures laser performance in inclement weather
  • Manual Alignment Sights: Allows fast, easy setup
  • High-Powered Visible Beam: For fast setup and excellent performance in high dust conditions
  • Selectable Rotation Speeds: 300, 600 and 900 rpm
  • Intuitive Simple Controls: Makes the GL700 series easy to use and learn
  • Field Calibration: Makes it simple to check and adjust the calibration in the field either at the transmitter or via the remote
  • Long Battery Life: Flexible power options, battery life indicator and a wireless operated sleep mode that saves battery during breaks
  • Fully Sealed, Rugged Aluminium Housing: A weather-resistant control panel allows you to work in all weather and work conditions. Built-in non-slip carrying handle
  • Grade Reverse: Mirrors in the grade setting with the push of a button
  • Automatic Self-Levelling: Over the entire grade range, simplifies setup and ensures repeatable accuracy
  • Spectra Precision Lasers: Proven performance and quality supported by the industry's leading service centers
  • Automatic Off Grade Sensor: Prevents incorrect grading and wasted man and machine hours
  • Large Alpha/Numeric Displays: Transmitter display is visible from ground even on 3m tripods, no ladder needed 
Grade Range Accuracy
Axis Grade Range X -10 to +10%
Self-Levelling Self levels to 10%
Grade Resolution 0.001%
Servo Deadband Accuracy 4.6 arc seconds
Laser Classification CDRH II (IECI)
Range/Radius Laser - 450m with Spectra Precision Lasers machine mounted receivers
Mounting Threads 5/8" x 11" on all models, 3 1/2"X8" mounting adapter optional
Waterproof & Housing Waterproof aluminium housing
Dimensions H 29.8cm, W 25.4, D 19.7cm
Weight 8.5kg



Package includes:

  • Spectra Trimble GL720 Dual Grade Laser
  • HL700 Laser Receiver
  • Rechargeable battery
  • Charger
  • Hard Case


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