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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) --
Operating diameter with specified receiver/sensor (ft) 3,000
Laser wavelength and type (nanometer) 635 (visible)
Rotation speed (rpm) 120, 300, 600
Accuracy (arc seconds) 15
Self-leveling range (degrees)
Slope range (%) --
Power
 
Rechargeable battery type* Li-Ion
Rechargeable battery approx run time (hrs) 40
Backup battery quantity and type* 4, D
Backup battery approx run time (hrs) 60
Dimensions
 
Dimensions L x W x H (in) 7.9 x 9.5 x 8.6
Weight w/o batteries (lbs) 6.7