©2016 Johnson Level & Tool - Rev. 3 15
9. Technical Specifications
Laser Wavelength 650nm ± 10
Laser Classification Class IIIa
Maximum Power Output ≤5mW
Laser Accuracy ± 1/8"/50 ft. (±0.2mm/m)
Working Range Angle 0º-182.5º
Accuracy Angle ±0.1º
Working Range 0º to 90º
Resolution 0.1º or 0.1%
Accuracy ±0.1º for 0º and 90º and
±0.2º for 1º to 89º
Power Supply 3 “AA” alkaline batteries and 1 3v
CR2032 lithium battery
Battery Life Approx. battery life 70 hours
continuous use
Dimensions 23.6" x 2.48" x 1.57"
(600 x 63 x 40mm)
Weight 2.64 lbs (1.2kg)
Working Temperature 14°F to 113°F (-10°C to +45°C)
1150i-English_Manuals 6/10/16 9:56 AM Page 15
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