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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) -10 to +15 (Y)(X)
Operating diameter with specified receiver/sensor (ft) 2,600
Laser wavelength and type (nanometer) 650 (visible)
Rotation speed (rpm) 300, 600
Accuracy (arc seconds) 10
Self-leveling range (degrees)
Slope range (%) -10 to +15
Power
 
Rechargeable battery type* NiMH
Rechargeable battery approx run time (hrs) 35
Backup battery quantity and type* 4, D
Backup battery approx run time (hrs) 50
Dimensions
 
Dimensions L x W x H (in) 10.7 × 7.7 × 7.9
Weight w/o batteries (lbs) 6.8