Spectra Precision GL422N automatic, self-levelling dual grade laser is the most rugged, cost-effective laser that does level, grade and vertical alignment. Even in harsh jobsite conditions, the GL422N delivers consistently reliable and accurate performance, enabling you to work faster and smarter.
GL422N lasers can withstand drops of up to one meter onto concrete and tripod tip-overs up to 1.5 metre. This strength, combined with full weatherproofing, reduces downtime and lowers repair costs.
Each GL412N and GL422N laser system includes the advanced HL760 Digital Readout (DRO) receiver that provides automatic Grade Match, PlaneLok and Fingerprint function.
- Grade Match measures and displays the existing grade over unknown ground. As a consequence,
it eliminates time consuming and error prone calculations.
- PlaneLok automatically locks on to an existing horizontal elevation or vertical alignment point which
eliminates all drift or possibility of error due to improper calibration or weather.
- The unique "Fingerprint" function only accepts the beam from the laser it is paired with.
The CR600 Receiver is also an option when a machine mounted display elevation is required.
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