Johnson Level & Tool Mfg. 40-0917 - Manual (Page 4)

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WARNING!
DO NOT LOOK DIRECTLY INTO THE LIGHT BEAM.
DO NOT AIM LIGHT BEAM DIRECTLY INTO EYES.
THIS WILL DAMAGE THE EYES.
TECHNICAL SPECIFICATIONS
Class of laser: IIIa (class 3 protection)
Maximum power output: 5mW
Measuring range: 30m – 100m (100 ft. – 330ft.) of visible light,
depending on illumination of work area
Rotation speed: 0 – 600 rpm
Wavelength: 650nm ± 10nm
Measuring accuracy: ± 0.3mm/m (1/8" at 30 ft.)
Power supply: 4 x AA batteries
Rotary head
Laser beam exit hole
On/off switch
and speed control knob
Horizontal (level) vial “X”
Vertical (plumb) vial“Y”
Levelling screws
Base with tripod
thread and wall-
mounting brackets
LOCATION OF PARTS / COMPONENTS