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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) -15 to +40
Operating diameter with specified receiver/sensor (ft) --
Laser wavelength and type (nanometer) 515
Rotation speed (rpm) --
Accuracy (arc seconds) 10
Self-leveling range (degrees) 10°
Slope range (%) -15 to +40
Power
 
Rechargeable battery type* NiMH
Rechargeable battery approx run time (hrs) 53
Backup battery quantity and type* 4, D
Backup battery approx run time (hrs) 77
Dimensions
 
Dimensions L x W x H (in) 15 x 5 x 5
Weight w/o batteries (lbs) 8