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Comparing Lasers

Description
 
 
Laser Performance
 
Grade range (%) -10 to +10
Operating diameter with specified receiver/sensor (ft) 1,000
Laser wavelength and type (nanometer) 830
Rotation speed (rpm) 600
Accuracy (arc seconds) 5
Self-leveling range (degrees)
Slope range (%) ±10
Power
 
Rechargeable battery type* NiMH
Rechargeable battery approx run time (hrs) 18
Backup battery quantity and type* 4, D
Backup battery approx run time (hrs) 18
Dimensions
 
Dimensions L x W x H (in) 9 x 7.5 x 11
Weight w/o batteries (lbs) 9.7