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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) ±8
Operating diameter with specified receiver/sensor (ft) 1,650
Laser wavelength and type (nanometer) 520 (visible green)
Rotation speed (rpm) 0, 120, 300, 600
Accuracy (arc seconds) 16
Self-leveling range (degrees)
Slope range (%) ±8
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 alkaline
Dimensions
 
Dimensions L x W x H (in) 8.4 x 9.4 x 7.6
Weight w/o batteries (lbs) 5.6