Unsurpassed Plane Flatness
One of the critical components of any laser system is the straightness or flatness of the laser beam or plane, as this is the reference from which the measurements are made.
The L-742 features the flattest laser plane in the world. Its continuously rotating laser plane is flat to 1/2 an arc second (0.00003"/ft or 0.002 mm/M) in a 360º sweep and 1/4 arcsec in a 90º sweep (0.000015"/ft or 0.001 mm/M).
100' Squareness Measuring Capability
The 2 laser planes are square to within 1 arc second (0.00006"/ft or 0.005 mm /M). This squareness can be projected out 100' (30.5 M), allowing squareness of even the tallest machine in the world to be easily checked. The L-742 also features 2 built-in level vials that are accurate to 1 arc second.
Two Configurations for Many Different Applications
With two continuously sweeping, ultra-flat, orthogonal laser planes, the L-742 Dual Scan® Laser System is ideally suited for a whole host of alignment applications. The L-742 comes in 2 configurations. The standard L-742 has 1 horizontal laser plane and 1 vertical laser plane. It is used for measuring flatness straightness and squareness on machining centers, gantries and roll forming machines. The L-742WW has 2 vertical laser planes and is used primarily for aligning the horizontal roll parallelism of printing presses, paper mills, films lines and other roll alignment applications.
New Line of Wireless Targets
Another critical component of laser alignment systems is the resolution of the targets. This determines how close the measurements can be made.
The L-742 system utilizes our new line of wireless targets ( A-1519-2.4ZB and A-1520-2.4ZB), there is no need to string long extension cords to reference targets. The targets have up to a 1" measuring range, a resolution as low as 0.00001" (0.00025 mm) and can be used up to 100 feet (30.5 meters) from the readout. The R-1355-2.4ZB Readout uses a PDA, which can simultaneously display up to 4 targets.
These targets are all powered by rechargeable batteries, are lightweight and can be used as digital height gages when used with precision inserts. And like all Hamar Laser systems, the targets provide live alignment data so misalignment errors can be fixed without changing the setup!