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3
SPECIFIC SAFETY
RULES FOR
LASER LEVELS
•Watch out for erroneous results if the tool is
defective or if it has been dropped, misused or
modied.
•Do not dispose of tool or batteries together with
household waste material! Tool and batteries that
have reached the end of their life must be collected
separately and returned to an environmentally
compatible recycling facility.
• The device conforms to the most stringent
requirements of the relevant Electromagnetic
Compatibility (EMC) Standards and Regulations.
Yet, the possibility of causing interference in other
devices cannot be totally excluded.
•
CAUTION
Use of controls or adjustments or
performance of procedures other
than those specied herein may result in hazard-
ous radiation exposure.
• Be sure to power o instrument after use. When
instrument will not be used for a long period, place
it in storage after removing batteries.
•Ensure tool magnets are securely mounted to
a metal surface. Magnet strength may not hold
on thin metal surfaces, causing the tool to fall.
• Always use common sense and be cautious when
using tools. It is not possible to anticipate every
situation that could result in a dangerous outcome.
Do not use this tool if you do not understand these
operating instructions or you feel the work is beyond
your capability; contact Milwaukee Tool or a trained
professional for additional information or training.
• Maintain labels and nameplates. These carry
important information. If unreadable or missing,
contact a MILWAUKEE service facility for a free
replacement.
Federal Communications Commission
WARNING
Changes or modications to
this unit not expressly ap-
proved by the party responsible for compliance could
void the user’s authority to operate the equipment.
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful in-
terference in a residential installation. This equipment
generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance
with the instructions, may cause harmful interference
to radio communications.
However, there is no guarantee that interference will
not occur in a particular installation. If this equipment
does cause harmful interference to radio or televi-
sion reception, which can be determined by turning
the equipment o and on, the user is encouraged to
try to correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Consult the dealer or an experienced radio/TV
technician for help.
SYMBOLOGY
Volts
Direct Current
Amps
LASER RADIATION
DO NOT STARE INTO BEAM
CLASS 2 LASER PRODUCT
Universal Serial Bus (USB)
Magnets
Read operator’s manual
Properly Recycle Batteries
SPECIFICATIONS
Cross Line ................................................ 3521-20
Cross Line and Plumb Points ................. 3522-20
USB Input Volts .............................................. 5 DC
USB Input Amps ..................................... 0.1 - 2.1 A
Output Volts .................................................... 4 DC
Output Amps ....................................................2.1 A
REDLITHIUM
®
USB Batteries
Volts ................................................................ 4 DC
Power Supply Cat. No. ....................... 48-59-1202
Laser............................................................Class 2
Lines Max Power ................................. P
AVG
≤ 7 mW
Points Max Power............................... P
AVG
≤ 1 mW
Frequency....................................................10 KHz
Pulse Duration Normal Mode ................. T
P
≤ 70 µs
Pulse Duration Power Save.................... T
P
≤ 50 µs
Wavelength.......................................... 510-530 nm
Lines Beam Divergence ................................. 1 rad
Points Beam Divergence .......................... 0.5 mrad
Storage Temp ....................................-4°F to 120°F
Working Range ................................................. 100'
Range with Detector .........................................165'
Accuracy ...............................................±1/8" @ 33'
Settle Time ......................................... < 3 Seconds
Tripod Mount ...............................................1/4"-20
Ingress Protection............................................ IP54
Drop Rating .......................................................1 m
Leveling ............Auto ±°4 side to side, front to back
Operating Temperature
Battery and Charger ........................ 40°F to 104°F
Battery and Tool ............................... 14°F to 104°F
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