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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) ±10 (X) / -0.5 to +25 (Y)
Operating diameter with specified receiver/sensor (ft) 3,000
Laser wavelength and type (nanometer) 670 (visible)
Rotation speed (rpm) 300, 600, 900
Accuracy (arc seconds) 4.6
Self-leveling range (degrees)
Slope range (%) -0.5 to +25
Power
 
Rechargeable battery type* NiMH
Rechargeable battery approx run time (hrs) 30
Backup battery quantity and type* 6, D
Backup battery approx run time (hrs) 30
Dimensions
 
Dimensions L x W x H (in) 7.75 x 10.0 x 11.75
Weight w/o batteries (lbs) 18.5