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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) --
Operating diameter with specified receiver/sensor (ft) 2,600
Laser wavelength and type (nanometer) 520 (visible)
Rotation speed (rpm) 0 - 600
Accuracy (arc seconds) 10
Self-leveling range (degrees)
Slope range (%) --
Power
 
Rechargeable battery type* Alkaline or NiMH
Rechargeable battery approx run time (hrs) 30
Backup battery quantity and type* 4, D
Backup battery approx run time (hrs) 25
Dimensions
 
Dimensions L x W x H (in) 10.7 × 7.7 × 7.9
Weight w/o batteries (lbs) 6.8