Johnson Level & Tool Mfg. 40-6690 - Manual (Page 19)

©2011 Johnson Level & Tool 19
9. Technical Specifications
Laser Wavelength 635nm±10
Laser Classification Class IIIa
Maximum Power Output ≤ 5mW
Grade Range -20% to +40%
Grade Display 00.001%
Accuracy ±1/16” at 100’ (±5mm at 100m;
±10 arc sec)
Self-Leveling Range ± 5°
Left and Right Scan ± 4°
Power Supply 4 “D” alkaline batteries, rechargeable
Ni-MH battery pack, 12V adapter, car
adapter
Battery Life Ni-MH: Approximately 64 hours
continuous use
Alkaline: Approximately 40 hours
continuous use
Dimensions 5.19” x 14.96”
(132 x 380mm)
Weight 13.2 lbs. (6 Kg)
Working Temperature -4°F to 122°F (-20°C to +50°C)
IP Protection Class 68 nitrogen purged
4429H-English_Manuals 2/18/11 9:40 AM Page 19