LL500 Laser Level User Guide
Features and Functions
LL500 Laser Level
User Guide
1. Power Button—turns the laser
2. Handle—allows you to carry
the laser easily.
3. Battery Housing—holds four
D-cell alkaline or Ni-Cd
4. Battery-Recharging Jack—is
the port that an optional
battery recharger plugs into.
5. Low-Battery LED—flashes
when the batteries need replacing or recharging.
6. Rotating Prism—spins at 600 rpm to transmit the laser signal.
7. Bull’s-Eye Level—provides an easy reference for leveling the
8. Leveling Screws—turn clockwise/counterclockwise so the laser
can be leveled.
9. Leveling Base—supports the laser while it’s on the tripod. The
leveling base also allows you to use the laser freestanding.
10. Lighthouse—is a 360° exit window for the laser beam. The
lighthouse is sealed and protects the internal components from
the environment.
11. Out-of-Level LED—flashes when the laser is out of its selfleveling range.
12. X Axis Calibration Screw—
allows the X axis of the laser
to be adjusted so that the
laser beam is level.
13. Y Axis Calibration Screw—
allows the Y axis of the laser
to be adjusted so that the
laser beam is level.
14. 5/8-11 Tripod Mount—
allows the laser to be
attached to a standard
5/8-11 construction tripod.
2. Install/remove the batteries.
Note: When installing the batteries, be sure to note the positive
(+) and negative (–) diagram inside the housing.
Note: The laser has reverse-polarity protection. If the batteries are
put in wrong, no damage occurs to the laser but it does not work.
Allow it one minute to recover after the batteries have been
installed correctly.
3. Put the battery housing in place and reinstall the screws.
Recharging the Batteries
Several optional battery rechargers are available, including ones that
plug into a wall outlet and one that uses solar power.
If you use the A/C battery rechargers, such as Model 1041 (110 V) or
Smart Charger Model 1041S/1041N (110/220 V), recharge the laser
overnight after every third day of use. More frequent recharging may
be needed if you use the laser for long periods during the day or in
colder climates.
Note: Do not recharge alkaline batteries. Trying to recharge them
does not damage the laser but doing so might blow the batteryprotection fuse in the battery pack.
How to Use the Laser System
Installing/Removing the Batteries
1. Turn battery-housing
screws counterclockwise and
remove the battery housing.
A universal key (supplied) or
coin can be used to turn the
Setting Up and Leveling the Laser
Recharging the Batteries (cont.)
1. Plug the battery recharger’s
plug into the laser’s battery
recharging jack.
2. Plug the battery recharger
into the wall outlet.
Note: A full charge will be
reached in 12-14 hours or 10
hours using the smart charger.
1. Set up a tripod to the height
appropriate for your
application needs.
2. Insert the 5/8-11 tripod screw
into the laser’s 5/8-11
threaded insert.
Note: The laser can also be
attached to a column clamp
or other mounting device.
3. Turn the screw to hold the laser securely in place.
4. Press the power button.
Note: When the laser is initially turned on, the out-of-level LED
flashes to show that the laser
needs leveling.
5. Using the left-thumb rule (see
the Note that follows), turn
both X axis screws equal
amounts in opposite
directions to move the bubble
Ytoward the center of the
Determining the Height of Instrument (HI)
Note: Left-thumb rule—both
thumbs in, both thumbs out,
the bubble follows the left
6. Observe the location of the
bubble (top or bottom of the
bull’s-eye) and using the leftthumb rule, turn the Y axis
screw to move the level
bubble so that it is centered in
the bull’s-eye.
Note: When the laser is level,
the bubble is centered in the bull’s-eye and the out-of-level LED
stops flashing and the laser’s rotor begins rotating.
Note: If the laser is knocked out of its self-leveling range, the outof-level LED start flashing, the rotor stops, and the beam reference
plane turns off.
7. To restore level, simply re-level the laser and check your initial
reference elevation.
Note: The unit may also be set free-standing on any stable surface.
The height of instrument (HI) is the elevation of the laser’s beam. The
HI is determined by adding the grade-rod reading to a benchmark or
known elevation.
1. Set up and level the laser.
2. Attach the receiver to a grade rod and turn on the receiver.
3. Place the grade rod on a job-site benchmark (BM) or known
4. Slide the receiver up/down the grade rod until the LCD shows an
on-grade reading.
5. Add the grade-rod reading to the benchmark to determine the
height of instrument.
Example: B
enchmark elevation = 100.23 ft (30.55 m)
On-grade rod reading = + 4.34 ft (1.32 m)
Height of instrument = 104.57 ft (31.87 m)
6. Use this HI as a reference for all other elevations.
Height of Instrument (HI)
Rod Reading
4.34 (1.32 m)
100.23 (30.55 m)
HI = Rod Reading + Benchmark
HI = 4.34 + 100.23 = 104.57 (1.32 m + 30.55 m = 31.87 m)
Checking Calibration
To check the horizontal
calibration, you’ll need a tripod
with a 5/8-11 threaded mount,
hand-held receiver, and 1/16 in.
(1.5 mm) diameter pin or small
nail. If you need to adjust the
calibration, having another
person to help saves time.
1. Set up and level the laser 100
ft (30 m) from a wall.
2. Raise/lower the receiver until
you get an on-grade reading
for the –Y axis. Using the
on-grade marking notch as a
reference, make a mark on
the wall.
Note: For increased precision,
use the fine-sensitivity setting
(+1/16 in./ +1.5 mm) on the
3. Rotate the laser 180° (+Y axis
toward the wall) and re-level
the laser.
5. Measure the difference
between the two marks. If
they differ more than 1/8 inch
at 100 feet (3.0 mm at 30 m),
the laser needs calibrating.
6. To correct for a calibration
error, position the receiver
at the midpoint of the two
elevation marks on the wall.
Note: Although you can
calibrate the laser by yourself,
having another person to help
saves time.
100 (30 m)
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> 1/8 in. (> 3.0 mm)
100 (30 m)
7. To adjust the calibration,
insert a nail (1/16 in. or 1.5
mm diameter) into the
opening in the calibration
screw and turn the screw in
the appropriate direction.
100 (30 m)
100 (30 m)
4. Raise/lower the receiver until
you get an on-grade reading
for the +Y axis. Using the
on-grade marking notch as a
reference, make a mark on
the wall.
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Note: The arrows on the
display show which direction
the calibration screws need
turning. An up arrow on the
receiver indicates that the
Y axis calibration screw needs
to be turned clockwise to
lower the laser plane. A down
arrow on the receiver
indicates that the Y axis
calibration screw needs to be
turned counterclockwise to
raise the laser plane.
8. Rotate the laser 180° back to
the original face. Make sure
this axis is less than 1/16 in.
(1.5 mm) from the midpoint
Note: If additional adjustment
is required, repeat steps 2-7
9. After adjusting the Y axis,
rotate the laser 90°. Repeat
steps 2-8 starting with the
–X axis facing the wall.
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Up arrowturn calibraon
screw clockwise
Down arrow- turn
calibraon screw
counter clockwise
100 (30 m)
If none of the following techniques corrects the problem, take your
system to a local Trimble dealer or authorized service center for
evaluation or repair.
Laser Type/Classification
670 nm visible, Class II
Self-Leveling Range
±11 arc minutes
Manual Leveling Method
Three-screw leveling base with bull’seye circular bubble and out-of-level
Laser will not operate
Horizontal Accuracy
±10 arc seconds over temperature
<±1/16 in. per 100 ft (<±1.5 mm per
30 m)
•Press power button.
•Check or replace batteries.
•Make sure the battery
contacts are clean.
•Make sure the battery housing
is securely in place.
•Return the laser to an
authorized service center for
Power Source
4 D-cell alkaline/NiMH/Ni-Cd (4.4 Ah)
Battery Life (68 ˚F / 20 ˚C)
Alkaline/NiMH: 80 hours
Ni-Cd: 27 hours
Operating Diameter
1600 ft (500 m)
Operating Temperature
–4 °F to 122 °F (–20 °C to 50 °C)
Laser out-of-level indicator does not shut off
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•Make sure the laser setup is
•Make sure the leveling screws
are free to turn.
•Re-level the laser and make
sure the bubble is centered in
bull’s-eye level vial.
•Return the laser to an
authorized service center for
Request for Service
You will get years of service from the leveling system by following the
maintenance and care recommendations in this manual. Carry the
laser in its moisture-resistant, field-tested carrying case to safely
move the laser from one job to another.
However well the product is designed, mishaps do occur. The
most common problems associated with these are covered in the
following areas.
Our goal is to provide prompt and efficient service through
competent service dealers.
Before returning your system for repair, be sure to do the following:
1. Put a note into the package identifying yourself as the owner.
2. Explain the operating difficulty.
3. Include a return address and phone number.
4. If the laser is in warranty, provide verification of the date of
5. Pack the equipment securely for shipment in its original carrying
6. Return the equipment prepaid and insured to your local dealer or
authorized Trimble Service Center.
7. Request estimate of charges for non-warranty or other service
work before repair begins. If estimates are not requested, repair
work will begin immediately.
All certified outlets have factory-trained personnel and use
authorized replacement parts to ensure proper and quick return. For
long-distance shipments, UPS, 2nd-Day Air, or airfreight is
Except for one-way transportation charges, there will be no charge
for repairs caused by problems due to defective materials and/or
workmanship under warranty.
To locate your local dealer or authorized Trimble Service Center world
wide for service, accessories, or spare parts, contact one of our
offices listed below.
CAUTION: Do not store the laser in a wet carrying case. If the case
gets wet, open it and let it dry before storing the laser.
Battery Disposal
Some states and local areas have regulations regarding the disposal
of rechargeable batteries. Be sure that replaced batteries are
disposed of properly.
System Cleaning
Use only a good-quality glass cleaner and a soft cloth to clean all
external optical components. A dry cloth used on the laser exit
windows may scratch or damage the glass surfaces.
Monthly, wipe off with a moist, clean cloth any dust or dirt from the
laser’s outer surface, inside the battery housing, and within the
leveling base. Blow off any loose debris before cleaning any surfaces
to prevent scratching of optical surfaces.
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Labels required for this product:
EMC Declaration of Conformity
This laser has been tested and found to comply with the limits for
a Class B digital device for radio noise for digital apparatus set out
in the Radio Interference Regulations of the Canadian Department
of Communication, and is pursuant to part 15 of the Federal
Communication Commission (FCC) rules. These limits are designed
to provide reasonable protection against harmful interference in a
residential installation. This laser generates radio frequency. If it’s
not used in accordance with the instructions, it may cause harmful
interference to radio or television reception. Such interference can be
determined by turning the laser off and on. You are encouraged to try
eliminating the interference by one or more of the following
•Reorient or relocate the receiving antenna.
•Increase the separation between the laser and the receiver.
For more information, consult your dealer or an experienced radio/
television technician.
CAUTION: Changes or modifications to the laser that are not
expressly approved by Trimble could void authority to use the
•Check and adjust the laser’s
calibration as needed.
•Return the laser to an
authorized service center for
Low-battery LED is flashing
•Replace or recharge the
The laser levels, the rotating
prism turns but the laser beam
does not come on
•Return the laser to an
authorized service center for
The receiver does not detect
the laser beam at long range
•Clean the lighthouse and
recheck the receiver distance.
•Return the laser to an
authorized service center for
Batteries do not charge
Make sure the laser is not
equipped with alkaline
•Make sure the Ni-Cd batteries
are correctly installed.
•Replace the Ni-Cd batteries
with new ones.
•Replace the recharger.
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Maintenance and Care
Laser not accurate
The LL500 laser system includes a laser, receiver, operator’s manual,
laser safety kit, carrying case, and alkaline batteries. Optional
accessories include various receivers and a battery recharger.
You should inspect your laser system as soon as you receive it. It has
been packaged for safe delivery. If it is damaged in any way,
immediately file a claim with the carrier or, if insured separately, with
the insurance company.
Safety Information
Included in this manual are CAUTIONS and Notes. Each of these
words represents a level of danger or concern.
A CAUTION indicates a hazard or unsafe practice that could result in
minor injury or property damage.
A Note indicates important information unrelated to safety.
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North America
Trimble Building Construction
5475 Kellenburger Road
Dayton, Ohio 45424
800-538-7800 (Toll Free)
+1-937-245-5587 Phone
+1-937-233-9441 Fax
Trimble GmbH
Am Prime Parc 11
65479 Raunheim
+49-6142-2100-0 Phone
+49-6142-2100-550 Fax
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Africa & Middle East
Trimble Export Middle-East
P.O. Box 17760
Jebel Ali Free Zone, Dubai
+971-4-886-5410 Phone
+971-4-886-5411 Fax
Trimble Navigation Singapore PTE Ltd.
80 Marine Parade Road, #22-06
Parkway Parade
Singapore, 449269
+65 6348 2212 Phone
+65 6348 2232 Fax
Trimble Beijing
20F, Central Tower, China Overseas
No.8 Yard, Guang Hua Dong Li
Chaoyang District, Beijing, PRC
CHINA 100020
+86-10-8857-7575 Phone
+86-10-8857-7161 Fax
Laser Safety
This laser complies with all applicable portions of Title 21 of the code
of Federal Regulations, Department of Health and Human Services,
Food and Drug Administration (Federal Register, Volume 50, Number
161, August 20, 1985).
As with any visible laser device, the following safety rules should be
•Never look directly into a laser beam or point the beam into the
eyes of others. Set the laser at a height that prevents the beam
from shining directly into people’s eyes.
•Do not remove any warning signs from the laser.
•Use of this product by people other than those trained on this
product may result in exposure to hazardous laser light.
•If initial service is required, which results in the removal of the
outer protective cover, removal must only be performed by factorytrained personnel.
Questions about laser safety should be addressed to:
Trimble Navigation Limited
5475 Kellenburger Road
Dayton, OH 45424-1099 U.S.A.
Attention: Quality Assurance Group, Laser Safety Officer
5475 Kellenburger Rd.
Dayton, Ohio 45424-1099 U.S.A.
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Application of Council Directive(s): 89/336/EEC directive on EMC
Manufacturer’s Name:
Trimble Navigation Limited
Manufacturer’s Address:
5475 Kellenburger Road
Dayton, Ohio 45424-1099
European Representative Address: Trimble GmbH
Am Prime Parc 11
65479 Raunheim, Germany
Model Number(s):
Conformance to Directive(s):EC Directive 89/336/EEC using
EN55022 and EN50082-1
Equipment Type/Environment:ITE/residential, commercial
& light industrial
Product Standards:Product meets the limit B
and methods of EN55022
Product meets the levels and
methods of IEC 801-2, 8 kV air, 4
kV contact IEC 801-3, 3 V/m 26
to 1000 MHz 80%, @ 1 kHz IEC
801-4, ac leads 2 kV
Claim for Damage in Shipment
Diode <3mW @ 635-670 nm
– 20 –
Trimble warrants the LL500 laser to be free of defects in material and workmanship
for a period of five years. This warranty period is in effect from the date the system
is delivered by Trimble or its authorized Dealer to the purchaser, or is put into
service by a Dealer as a demonstrator or rental component.
Additionally, items covered by the standard Trimble one-year warranty are the
accessories. All other components not manufactured Trimble but sold as a part of
the system such as tripods and grade rods, will carry a 90-day warranty or the
manufacturer’s warranty, whichever is greater.
Trimble or its Authorized Service Center will repair or replace, at its option, any
defective part of components of which notice has been given during the warranty
period. Travel and per diem expenses, if required, to and from the place where
repairs are made will be charged to the purchaser at the prevailing rates.
Customers should send products to the nearest Authorized Factory Service Center
for warranty repairs, freight prepaid. In countries with Trimble Service Subsidiary
Centers, the repaired products will be returned to the customer, freight prepaid.
Any evidence of negligent, abnormal use, accident, or any attempt to repair
equipment by other than factory-authorized personnel Trimble certified or
recommended parts, automatically voids the warranty.
Special precautions have been taken to ensure the calibration of the laser; however,
calibration is not covered by this warranty. Maintenance of the calibration is the
responsibility of the user.
The foregoing states the entire liability of Trimble regarding the purchase and
use of its equipment. Trimble will not be held responsible for any consequential
loss or damage of any kind.
This warranty is in lieu of all other warranties, except as set forth above, including
an implied warranty mechantability of fitness for a particular purpose, is hereby
disclaimed. This warranty is in lieu of all other warranties, expressed or implied.
Trimble Construction Division
5475 Kellenburger Road
Dayton, Ohio 45424-1099
+1-937-245-5600 Phone
© 2002–2012, Trimble Navigation Limited. All rights reserved.
Reorder P/N 1044-0050 Rev. D (December 2012)
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✔ N324
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