Specification

The Toughest Laser Level
You’ll Ever Own
Built for General Contractors who Need
Accuracy, Ease of Use and Durability
The automatic, self-leveling Spectra Precision
®
LL300 from Trimble is the most rugged laser
level available, tough enough to handle a wide
variety of general and concrete construction
applications. Even in harsh jobsite conditions,
the LL300 laser delivers consistently reliable and
accurate performance, enabling you to work
faster and smarter.
More contractors around the world use Spectra
Precision lasers to increase construction job
site productivity and profitability than any
other brand. Each laser comes with the solid
dependability that has made the Spectra
Precision name the standard in the industry.
Rugged Construction Combined with
Precise Accuracy and Ease of Use
We understand that those in the construction
and concrete business are looking for products
that are durable and reliable, day in and day out.
The LL300 rotating laser is designed with your
needs in mind. The result is a product that can
be operated in the rain and provides superior
drop and weather protection.
The rugged LL300 laser can withstand drops of
up to three feet (one meter) onto concrete and
tripod tipovers up to five feet (1.5 meters). This
strength, combined with full weatherproofing
and dustproofing, reduces downtime and lowers
repair costs over the life of the product.
The LL300 laser’s self-leveling capability
and optional RC601 remote control result in
outstanding accuracy and ease of use. Since the
LL300 laser levels itself when turned on, setup
is easy with fewer controls to deal with.
The RC601 remote
control gives you the
option of matching
slopes or having
slopes-on-grade. It
also offers single-
axis slope including
HI warning control
with the other axis
continuing to level
itself.
Choice of Receiver
Choosing the right
receiver ensures
maximum performance
from the LL300 laser. You can customize the
LL300 laser to your specific application needs
with a choice of the HL450 or CR600 receiver.
HL450 Laserometer
The HL450 features a digital readout of elevation
that provides a numeric display of ±1.5 inches or
±38 mm. The readout is displayed on the large
front and rear LCD’s and shows exactly how
far the elevation is from on-grade. The HL450
has a large 4 inch (102 mm) reception height for
quick beam acquisition. An anti-strobe sensor
prevents construction site strobe lights from
setting it off.
CR600 Receiver
The Spectra Precision CR600 receiver is ideal for
longer range leveling and basic machine control
applications. In addition to use as a handheld
and rod-mounted unit, the CR600 receiver can be
mounted on a backhoe, small excavator or skid
steer for machine control with 270º reception.
It provides highly visible high, low or on-grade
information.
LL300 Applications
• Elevation control across
the construction site
• Excavations
• Basic slopes
• Leveling forms
and footers
• Concrete pours
• 1 m (4 ft) marks
Spectra Precision LL300