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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) --
Operating diameter with specified receiver/sensor (ft) 1,650
Laser wavelength and type (nanometer) 670 (visible)
Rotation speed (rpm) 600
Accuracy (arc seconds) 10
Self-leveling range (degrees) --
Slope range (%) --
Power
 
Rechargeable battery type* Alkaline or NiMH
Rechargeable battery approx run time (hrs) 100
Backup battery quantity and type* 4, D
Backup battery approx run time (hrs) 175
Dimensions
 
Dimensions L x W x H (in) 10.8 x 7.5 x 7.5
Weight w/o batteries (lbs) 8