Spectra Precision GL422N Dual Grade Laser
Spectra Precision GL422N Dual Grade Laser
RRP: £2376.00
£ 1,926.00
Superior Dual Grade, Level and Vertical Capabilities
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Spectra Precision GL422N Dual Grade Laser

£1605.00 (ex VAT) GL422N Dual Grade Laser with HL760, NiMH Package  


The Spectra GL422N is a dual grade laser that also offers long-range operation in addition to their grade capability of -10 to +15 percent. The RC402N full-function remote control is standard and offers an easy to use menu-driven interface. The radio remote operates at a range up to 330 feet (100 meters) and provides the ability to make grade changes and start automatic alignments remotely, which can significantly reduce setup time.

Spectra GL422N Data Sheet
Spectra GL422N User Guide

• Leveling concrete forms and footers
• General construction vertical alignment and plumb such as anchor bolt and form     alignment.
• Grading and excavating.
• Concrete sections with run-off for sports fields, tennis courts, driveways.
• “Over the Top” sewer and storm drain pipe installations.
• Steep slope road embankments and ditch banks
• Parking garages, ramps and drainage.

GL422N Grade Laser
• Menu driven user interface reduces learning time and eliminates complex button pressing to activate advance features
• RC402N radio remote control allows control of all laser functions from up to 330feet (or 100 meters
• Maintains performance even in rainy, dusty and other harsh job site and weather conditions - IP66 environmental rating
• Durable design reduces downtime due to s and tripod tipovers
• Automatic Grade Match eliminates time consuming and error prone calculation
• Mask mode eliminates interference with other crews on the jobsite
• Comes with choice of CR600 or HL760 receivers so you can choose the best option to suit your application
• Automatic horizontal and vertical self-leveling
• Accuracy 1.5mm @ 30 m (1/16 inch @ 100 ft)
• Working range of 800 m (2,600 ft) diameter
• Radio communication between the HL760 DRO receiver and the laser provides automatic Grade Matching and PlaneLok
• “Fingerprint” function of the HL760 DRO receiver only accepts the beam from the laser it is paired with
• Height of Instrument Alert - unit stops rotating when jarred to avoid erroneous readings
• Long range RC402N Radio remote control
• ion of Sensitivity - accurate even in high winds or on high vibration job sites
• Extremely durable and portable
• Simplifies level, grade and vertical alignment setups
• Increases reliability, accuracy and durability
• Easy to transport, easy to carry, easy to store
• Energy-efficient design offers long battery life
• Highly durable design enables the GL412N to survive a up to 1 m (3 feet) onto concrete
•  Radio remote control allows operation of all laser functions from anywhere on the jobsite
HL760 Laser Receiver Features
• Digital readout of elevation
• Exact distance from grade displayed - Anti-strobe sensor to prevent false reading from jobsite strobe lights
• Large reception height to ease beam reception
• Fingerprint function - detects only the laser beam of the paired transmitter

  • GL422N Dual Grade Laser
 • HL760 Laser Receiver with Adapter C70
 • Vertical Adapter for HL Receiver
 • RC402N Radio Remote Control
 • NiMH Rechargeable Batteries
 • Worldwide Charger
 • Carrying Case
 • Multi language CD, Quick user guide and Safety Instructions
 • Full Warranty 5 Years

• Laser type / class: <5 mW 635 nm, Class 3A/3R
• height on concrete: 1 m (3 ft)
• Operating diameter (w/ HL700): 800 m, 2600 ft
• Compensation method: H/V Electronic Self Leveling
• Temperature compensation: Yes, every 5 °C
• Level / vertical accuracy: 10 arc seconds,1.5 mm @ 30 m (1/16" @ 100 ft)
• Grade range: –10 to +15% Dual Axes
• Grade accuracy: 0.015% 3 mm@30 m (1/8" @ 100 ft)
• Grade resolution: 0.001% up to 9.999%, 0.01 % at higher grades
• Grade compensation: Yes
• Remote control type: Full 2-way communication, operation and security lock with transmitter
• Remote control range (w/ RC402): 100 m (330 ft) radius
• Rotation speed: 300, 600 RPM able
• Transmitter battery life (4 x D NiMHs): hours
• RC402 battery Life (2 x AA Alkaline): 30 hrs continuous, 1 year under normal use
• Mask mode: User able to any window, 3 windows maximum
• Standby mode: Yes
• Display backlight: Yes, auto shutoff after 8 seconds
• Mounting threads: 5/8" x 11 Horizontal and Vertical
• Operating temperature: –20° to +50°C (–4° to 122°F)
• Dimensions: 21L x 18W x 20H cm (8.3L x 7.1W x 7.9H in)
• Weight: 3.1 kg (6.8 lb)
• Warranty: 5 Years

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