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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) --
Operating diameter with specified receiver/sensor (ft) 1,150
Laser wavelength and type (nanometer) 635 (visible)
Rotation speed (rpm) 0 - 600
Accuracy (arc seconds) 20
Self-leveling range (degrees)
Slope range (%) --
Power
 
Rechargeable battery type* Alkaline
Rechargeable battery approx run time (hrs) --
Backup battery quantity and type* 2, D
Backup battery approx run time (hrs) 50
Dimensions
 
Dimensions L x W x H (in) 8.5 x 6.7 x 6.0
Weight w/o batteries (lbs) 3.3