Johnson Level & Tool Mfg. 40-6639 - Manual (Page 18)

18 ©2012 Johnson Level & Tool
9. Technical Specifications
Laser Wavelength 635nm±10nm
Laser Classification Class IIIa
Maximum Power Output ≤ 5mW
Accuracy ±1/8"/50 ft. (±1mm/10m)
Interior Range Up to 200 ft. (60m) depending upon light
conditions
Exterior Range Up to 300 ft. (90m) with detector
(included in 40-6638 & 40-6639)
Self-leveling Range ±5°
Power Supply 4 “AA” alkaline batteries
Battery Life Approx. battery life 10 hours continuous use
Dimensions 3.74" x 5.11" (95 x 130mm)
Weight 1.869 lbs (0.7 Kg)
Working Temperature 14°F to 113°F (-10°C to +45°C)
Center Screw Thread 5/8" – 11
IP Protection 54
6249H_Manuals 10/18/12 2:49 PM Page 18