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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) -5 to +25
Operating diameter with specified receiver/sensor (ft) 3,600
Laser wavelength and type (nanometer) 635 (visible red)
Rotation speed (rpm) 300, 600, 900, 1,200
Accuracy (arc seconds) 10
Self-leveling range (degrees)
Slope range (%) -5 to +25
Power
 
Rechargeable battery type* NiMH
Rechargeable battery approx run time (hrs) 100
Backup battery quantity and type* 4 or 8, D
Backup battery approx run time (hrs) 65 / 130 alkaline
Dimensions
 
Dimensions L x W x H (in) 7.9 x 10.2 x 10.4
Weight w/o batteries (lbs) 11.1