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  • Product Code: T24012
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Spectra Precision UL633N Universal Laser: The Most Versatile Laser, Ever. Horizontal, Vertical, Grade and Pipe Laying in One Laser

The Spectra Precision UL633N Universal Laser is the only construction laser allowing total automatic control of all three axes (X/Y/Z). Control of the Z axis is accomplished through the new "fan beam" technology, while control of the X and Y axis utilizes a dual radio connection. Benefiting of all the know-how of Spectra Precision, the UL633N Universal Laser is appropriate for all applications producing an easy, fast and accurate job. The Universal laser can provide precise automatic axes alignments to two desired points without positioning the receivers 90 degrees perpendicular. This allows contractors to perform easily dual axis alignments for applications such as grade work on sports fields, parking lots, tennis courts and driveways. Since the UL633N Universal Laser can work with two receivers simultaneously, contractors can measure an unknown grade value automatically between two elevation points in Grade Match mode.

Fully automatic in X, Y and Z axes – Grade Range of +/- 25%. The Spectra Precision UL633 is the first construction laser that features total automatic control of all three X, Y and Z axes. The UL633N is automatic self-leveling in horizontal, vertical and dual grade (X and Y axes) with grade ranges of -25% to +25%. New innovative technology transforms the plumb beam into a rotating fan beam. When used with the SF601 SpotFinder, the rotating fan beam provides control of the Z axis for pipe laying and vertical alignments. An intuitive icon-driven menu allows the user to quickly select the desired operations. The UL633N has both radio and infrared communications that enable layout tasks to be performed with ease. The radio communication allows for long range use above ground and the infrared communciation is used in pipe laying applications.

Dual Axis Plane-Lok:

On jobsites where maximum accuracy and stability are required, such as airport runways or concrete pours, precise elevations are obtained by using Dual Axis PlaneLok. This feature eliminates drift and errors caused by vibrations or temperature changes by locking and maintaining the laser reference plane on two receivers placed at the desired elevations.

Grade Match:

With Grade Match mode, contractors can measure unknown grade values automatically between two elevation points. This is particularly vaulable when matching a slope between existing elevations.

Automatic Axis Alignment:

Automatic axes alignments can be accomplished without positioning the two receivers exactly 90 degrees perpendicular to each other. The axes can be positioned at any point between 10 and 170 degrees. This allows contractors to easily perform dual axis alignments for grade work applications such as sports fields, parking lots, tennis courts, driveways or any irregular field with non-perpendicular grade profiles.

Pipe Laying:

For pipe laying and trench applications, the UL633N can align the plumb beam automatically to the SF601 SpotFinder. Measuring a grade value through an existing pipe or an open trench can also be done quickly and easily in automatic Spot Match mode. The UL633N and the SpotFinder offer additional versatility for 90 degree layout applications on concrete pads as well as indoors for wall layout. Activating the SpotLok mode ensures that the UL633N locks and holds the plumb beam automatically to the SpotFinder at the desired direction or elevation point, providing precise alignment.

The UL633 includes a full-function RC603 Remote Control. The large, easy to see back-lit graphical display is very easy to operate. Contractors can do everything with the remote control that they can do at the laser keypad, up to 330 feet (100 meters) away—even from the cab of a machine or through a pipe.

The ability to make grade changes remotely can significantly reduce setup time and speed operations. With its rugged design, the UL633 can survive a drop of up to 3 feet (1 meter) on concrete. The laser also features IP67 moisture and dust sealing to handle the tough construction environment.

UL633N Includes:

  • 2 HL760 Laserometer Receivers
  • SF601 Spot Finder
  • RC603N Combined Radio/IR Remote Control for all applications including pipe laying
  • Jobsite tough carrying case
  • NiMH Battery Pack
  • Multi Volt Battery Charger


  • General Construction
  • Leveling concrete forms and footers
  • General construction vertical alignment and plumb such as anchor bolt and form alignment
  • Machine Guidance Compatible
  • Dual slope grading and steep slope excavating
  • Slope work for sports fields, tennis courts, driveways, parking garages, ramps
  • Pipe and Drainage Installation
  • Automatic Alignment for pipe laying
  • Measuring unknown slopes in existing pipes
  • Interior
  • Layout of walls
  • Installation of drop ceilings


  • Multiple Applications - The Spectra Precision UL633N Universal Laser is the only construction laser that provides the ability to control level, alignment, single/dual grade and even do grade in vertical allowing you to do more work with one tool.
  • Automatic self-levelling  - provides fast, easy set-up for horizontal level, grade or vertical alignment
  • Automatic Grade Matching - meaning the laser moves to the on-grade position on the receiver automatically by communicating wirelessly with the receiver and the grade is then calculated – this is generally used when a constant fall is desired but the grade may not be known (renewing existing driveways or matching existing surfaces)
  • Grade Range - Large, fully compensated grade range from -25% to 25% - keeping the laser levelled no matter what grade you need reducing errors and improving productivity.
  • Anti-Vibration Filter - A laser can be affected by high vibration or strong wind, especially when the laser is mounted on a tall tripod –the UL633N has an anti-vibration filter that can be set according to the conditions allowing work to continue regardless of wind conditions or excessive vibrations.
  • Temperature compensation & PlaneLok -As temperature fluctuates throughout the working day, the internal components of a laser can expand and contract which can cause some additional error without the user noticing. This is firstly resolved through the automatic temperature check that the laser performs where the internal software calibrates the laser to its optimal performance based on the temperature. Additionally the PlaneLok function can be activated. This keeps the laser beam fixed to a receiver in a set a position eliminating any error that can be caused by fluctuating temperatures, keeping the laser accurate and error free.
  • Automatic Axis Alignment - A critical factor when working with grade is alignment to the grade hub. If an alignment is off, error can be introduced and exaggerated. The UL633N has an Automatic Axis Alignment function, allowing the user to set-up simply and quickly, maintaining accuracy and eliminating costly errors. The Automatic Axis Alignment function has the added benefit of being able to simultaneously align on two axes not at 90 degrees to each other. This is especially useful when trying to construct envelope set-ups on a concrete pad or when setting a dual grade for a drainage channel intersecting another channel at an angle not at 90 degrees to the main run.
  • Vertical Grade - The Spectra Precision UL633N vertical grade capabilities are enhanced with the use of the SF601 Spot Finder. This accessory allows automatic alignment of the plumb beam. This provides fast alignment to a manhole  on a first day set-up, or to quickly set-out a 90 degree angle. Additionally the Spot Finder can be used to check the grade in pipe on a second day set-up. The beam locks onto the Spot Finder and displays the actual grade on the remote and the laser, saving time and eliminating lengthy manual calculations.
  • Rugged - Designed to operate on the toughest of jobsites, the UL633N can withstand a 1m drop directly onto concrete or 1.5m pushover on tripod, eliminating costly repairs.
  • Mask Mode - The UL633N has a virtual masking function that allows the laser beam to be turned off in up to 3 sides, avoiding false reading from glass reflections or interfering with other lasers on the same jobsite

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