Spectra Precision LL500 Laser Level
	Rugged, Reliable Laser Leveling System Accurate, stable and very reliable, the Spectra Precision Laser LL500 is the ideal one-person leveling system for a range of everyday elevation measurements, including setting-out and adjusting, elevations taking grade shots and excavating. Designed for use on the jobsite and reliability even in the harshest conditions, today more and more contractors around the world use Spectra Precision Lasers to increase productivity and profitability. Laser Levels your Entire Work Area The LL500 transmitter sends a continuos, self-leveled 360 degree laser reference over a work area, up to a 500 metre (1,600 foot) diameter. With the LL500, you can perform any two-person leveling task with just one person. Simply set up the laser transmitter anywhere on your job site, it transmits a laser beam to provide an elevation reference that can be picked up by one or more laser receivers, including our innovative HR500, whether they are hand held, attached to a grade rod or mounted on a machine.
	LL500 Benefits
	Meets your toughest accuracy requirements with measurements precise to ±1.5 mm at 30 m (±1/16 inch at 100 feet). Reduces the amount of time required for each grade shot, so more grade shots are taken for increased accuracy. Eliminates rework caused by miscommunication or out-of-level instruments with built-in out-of level warning and shut-off. Eliminates downtime by operating on alkaline, NiCad or solar power. Immediately locates the laser plane with the visible spotting beam.
	LL500 Laser Specification
	Self-leveling Range ±11 arc minutes Compensation Type Wire Hung, Air Damped Accuracy ±10 arc seconds, 1.5mm at 30m Laser Type 670 nm visible, Class I Machine Control Compatible Yes Solar Power Option Yes Battery Life 20°C 4 No D-Cell Alkaline @ 55 hrs 4 No Ni-Cad (4.4 Ahr) @ 40 Hrs Operating Diameter 500 m (1,600 ft) Operating Temperature -20°C to 50°C (-4°F to 122°F) Weight 3.6 kg (8 lbs.) Tripod Mount 5/8 in x 11
	HR500 Receiver
	The Spectra Precision Laser HR500 Receiver is ideal for use with the LL500 transmitter. This flexible and highly innovative receiver can be used either hand-held or rod mounted. The HR500 features a fully waterproof magnesium housing that is both lightweight and capable of surviving a drop of up to 3 metres. Ideal for accurate elevation measurements across the jobsite, it is exceptionally easy to use. The highly visible LED display and dual-sided laser reception allow you to work where it is convenient, even in the poorest of conditions.
	HR500 Receiver Specification
	Dual-sided photocells let you receive the beam from multiple directions and maintain convenient control and view of the receiver
	15-channel linear LCD display allows for fast, accurate readings and easy fixed offsets.
	Simultaneous 5-channel green and red LED display ensures that information can be read even in poor light, over long distances, and at an angle.
	Rugged and waterproof magnesium housing can survive a drop or up to 3 m (10 ft) on concrete.
	HR500 Receiver Specification
	Five On-Grade Sensitivities Super Fine 1.0 mm Ultra Fine 0.0 mm Fine 1.5 mm Medium 3 mm Coarse 6 mm Operating Temperature -20°C to 50°C Battery Life (AA-2) 100 hours at normal operation Auto Shut-Off 30 Minutes Weight 340 g (12 oz) Reception Angle 180 degrees Out-of-level warning Waterproof 100%