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Spectra Precision GL422N Extreme Laser Level Kit

  • Spectra Precision GL422N Extreme Laser Level Kit
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Product Description

Spectra Precision GL422N is a high performance grade laser with two way full function remote control and superior grade, level and vertical plane capabilities. The required grade for each axis is entered via the keypad on the instrument or RC402N remote control, and is displayed on the LCD panel.The GL422N Grade Laser can also self-plumb in the vertical plane, for applications such as anchor bolt installation and curtain walling.

To avoid interference with any other laser crews on site, or for safety reasons, the laser beam can be electronically blanked out on up to any three sides of the instrument.

The Spectra GL422N can be used with any Spectra Precision laser detector. It is particularly suited for use with the larger machine mounted laser detectors for digging or grading operations, whereby the driver can check the grade without leaving the cab.


- Fast setup, minimal training time and automatic self-levelling minimize operating costs and boost productivity.
- Highly rugged design and unique patent-pending lighthouse seal protects the transmitter head and glass, offering superior drop and weather protection for reduced downtime.
- One-person operation reduces labour costs.
- High accuracy:  1.5 mm at 30 metres, for precise measurements on the job.
- Temperature-calibrated, high accuracy for consistent performance across larger jobsites.
- IP66 dust and waterproof for continual performance in harsh conditions.
- Withstands a direct drop of 1 metre or a 1.5 metres tripod tip-over onto concrete.
- Ability to be used up to 800 m diameter with a detector, makes the unit ideal for small to large projects.
- Single-axis slope mode offers fast set-up and grade match to a reference mark for permanent and accurate ceiling slope reference.
- Energy-efficient design offers choice of rechargeable or alkaline batteries for lower operating costs.
- Long-range, radio remote control gives you quick access to all the laser functions, without needing to return to the laser instrument.
- Customizable to your needs with the choice of two Spectra detectors.


- Laser Source: 650 nm visible, Class 2, red beam
- Laser High Accuracy: ±1.5 mm @ 30 metres
- Operating Range (Diameter) with HL760U detector: 800m
- Self-Leveling Range: ±5 degrees
- Compensation Method: Electronic self-leveling
- Drop Height on Concrete performance: 1m
- Grading range: -10% to +15%
- Grade resolution: 0.001% up to 9.999%
- Out of Level (HI) Warning: Yes
- Power Source: 10,000mAH high capacity rechargeable battery pack or alkaline batteries
- Battery Life: 35 hours (rechargeable)
- Rotation Speed: selectable 300 or 600 rpm
- Tripod Mount (Horizontal and Vertical): 5/8” x 11
- Operating Temperature: -20 to 50°C
- Storage Temperature: -20 to +70°C
- Water Resistant: Yes, to IP66 protection level
- Size: 21 x 18 x 20cm
- Weight: 3.1 kg
- Warranty: Full 5 years parts & labour

Package Includes:

- Spectra GL422N Rotary Grade Laser Level
- Spectra HL760U Laser Detector with mounting bracket & batteries
- Spectra RC402N Radio Remote control & batteries
- Rechargeable Battery pack (high capacity) & Mains Charger
- Robust carry case
- Instructions / Safety Manual
- 5 years Warranty
- Surveying Tripod
- TLS3 2.4m Measuring Staff

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