18 ©2010 Johnson Level & Tool - Rev. 1
9. Technical Specifications
Laser Wavelength 635nm±10nm
Laser Classification Class IIIa
Maximum Power Output ≤5mW
Accuracy ±1/4"/100 ft. (±2mm/10m)
Interior Range Up to 200 ft. (60m) diameter depending
upon light conditions
Exterior Range Up to 800 ft. (240m) diameter with detector
Power Supply 4 “AA” alkaline batteries
Battery Life
Approx. battery life 15 hours continuous use
Dimensions 5.118" x 5.118" x 6.141"
(130 x 130 x 156mm)
Weight 1.653 lbs. (0.75Kg)
Working Temperature 14°F to 113°F (-10°C to +45°C)
Center Screw Thread 5/8" – 11
Rotation speeds 150-300 rpm
Scanning mode Large, Small, Dot
IP Protection Class 54
3919H_Manuals 10/12/10 10:31 AM Page 18
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