Laserline QUAD 1000 Precision Plumb Laser
 
The Quad 1000 Long Range Precision Plumb Control Laser measures plumb up to 1,200 feet (366m)
It is accurate to ±5 arc seconds, is automatic self-leveling and made in the USA.
The Quad 1000 has twin visible laser beams (upward & downward) Since the laser
beams are directed both up and down, it is easy to locate points vertically above and directly
below a given point.
Great for high rise jobs, elevator shafts, towers, smoke stacks, tank distortion measurement or any
job requiring zenith-vertical control.
Specifications:
Self-Leveling: Electronic servo with variable temperature compensation
    Self-Leveling Range: ±2º
    Plumb Beam Up Accuracy: ± arc seconds/(±1/32 per 100ft
  Plumb Beam Up Spot Size: At Source (500' / 12.7mm)
   @300'/ 91m (.375"/ 9.52mm)500' / 152m (.500"/ 12.7mm)
 700' / 213m (.687"/ 17.46mm)
 900' / 274m (.875"/ 22.22mm)
 
 1,200' / 366m (1.15"/ 29.3mm)
 
 Laser Type / Class: 635nm / CDRH class 3A / IEC 825-1 class 3R
 Laser Power: 4.5mw up / 1.0mw down
 Power Source: 4ea. D-cell alkaline batteries / 140 hrs. battery life
 (Depending on conditions)
 Operating Temperature: 0° to 122F (-18° to 50c)
 Storage Temperature: -4° to 158°F (-20° to 70°c)
 Dust and Water Sealed: To IP65 standards
 Weight: 7.25 lbs. (3.28k)
 Dimensions: 6 ½ inch / 16.51cm = H
6 ½ inch / 16.51cm = W
9 ¼ inch / 23.5cm = L
Warranty: 24 months parts and labor for defected workmanship and
material
Laser Line Quad 1000 Brochure
LaserLine Quad 1000 Owners Manual