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©2008 Johnson Level & Tool
4. Measure the distance “H2” between the top laser beam and
the platform surface.
5. Mark E in the position that is equal to (H1-H2) under the point O.
6. Adjust the adjusting knob to make the laser beam aim at E.
7. Check the bubble to see if it is centered. If it is not yet -
instrument will need to be sent in for calibration.
9. Technical Specifications
Laser Wavelength
532nm±10nm
Laser Classification
Class IIIa
Maximum Power Output
≤
5mW
Accuracy
±1/8"/100 ft. (±1mm/10m)
Interior Range
Up to 400 ft. (120m) diameter depending
upon light conditions
Remote Range
Up to 100 ft. (30m) diameter with remote
Self-Leveling Range
±3.5°
Power Supply
Rechargeable battery pack (included)
4 “C” alkaline batteries (not included)
Battery Life
Approx. battery life 16 hours continuous use
(rechargeable battery pack)
Dimensions
7.087" x 6.378" x 7.953"
(180 x 162 x 202mm)
Weight
4.409lbs (2Kg)
Working Temperature
32°F to 104°F (0°C to +40°C)
Center screw thread
5/8" – 11
Rotation Speed
150, 200, 250, 300 rpm
IP Protection Class
66
1621H-English 9/4/08 9:05 AM Page 14