24 ©2010 Johnson Level & Tool - Rev. 1
Note: If you fail to calibrate the accuracy according to the above
steps, please contact Johnson Level & Tool for service.
9. Technical Specifications
Laser Wavelength 635nm±10nm
Laser Classification Class IIIa
Maximum Power Output ≤5mW
Accuracy ±1/8"/50 ft. (±2mm/10m)
Interior Range Up to 200 ft (60m) diameter depending
upon light conditions
Exterior Range Up to 800 ft (240 m) diameter with detector
Self-Leveling Range ±3°
Power Supply 4 “AA” alkaline batteries (included)
Battery Life Approx. battery life 20 hours continuous use
Dimensions 5” x 6 1/2” x 6 1/2” (126x170x168mm)
Weight 3.3 lbs (1.5 Kg)
Working Temperature 14°F to 113°F (-10°C to +45°C)
Center screw thread 5/8" – 11
Rotation Speed 200 rpm, 400 rpm, 600 rpm
IP protection class 54
Screw off the self-calibration-hole bolt
Calibrate the bubble
3515H_Manuals 6/2/10 9:00 AM Page 24
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