Unit LM555LD User manual

P/N:110401109525X
LM555LD
Laser Level English Manual

1
Preface
Thank you for purchasing this brand new product. In order to use this product
safely and correctly, please read this manual thoroughly, especially the safety
notes.
After reading this manual, it is recommended to keep the manual at an easily
accessible place, preferably close to the device, for future reference.
Limited Warranty and Liability
Uni-Trend guarantees that the product is free from any defect in material and
workmanship within one year from the purchase date. This warranty does not
apply to damages caused by accident, negligence, misuse, modification,
contamination or improper handling. The dealer shall not be entitled to give any
other warranty on behalf of Uni-Trend. If you need warranty service within the
warranty period, please contact your seller directly.
Uni-Trend will not be responsible for any special, indirect, incidental or subsequent
damage or loss caused by using this device.
LM555LD English Manual

32
1.Description
Vertical laser
window
Horizontal laser
window
Metal adjustable tripod
Control panel
Toggle switch
360° rotating base
Horizontal bubble
Battery indicator
USB charging interface
2.Safety Instruction
Please carefully read and obey the following safety instructions before use,
otherwise may void the warranty:
Warning!
Class II laser product
Maximum output power: 1mW
Wavelength: 510nm-515nm
≤
Laser radiation:
Never stare into the laser beam directly
Do not expose eyes to the laser beam directly
Avoid using optical instrument
3. Cautions
Please read all the instructions carefully before operation. Do not remove any
label of device.
Do not expose eyes to the laser beam (green/red laser) during operation.
Prolonged exposure to the laser beam may cause eye damage.
Never stare into at the laser beam directly or observing it by any optical
instrument. Do not set the meter at a visual height (to avoid injury caused by
exposing eyes to laser beam).
Do not disassemble or modify the laser meter in any way. No inner parts can
be repaired by users. Unauthorized modifications may emit harmful laser
radiation.
Keep the laser meter away from children or serious injury may occur.
Class II laser should not be observed for more than 2s.
For safety and convenience, the following print (or label) should be placed on
product to inform the laser type. Some product sets provide with accessory
glasses. Please note that this kind of glasses is not safety glasses. It only
away helps user to easily identify the laser beam in strong ambient light or far
from the laser meter source.
LM555LD English ManualLM555LD English Manual
Thumb screw

54
4. Battery Charging and Safety Instructions
2 build-in 18650 Li-ion batteries of this product are not allowed to be removed by
users. Otherwise we will not responsible for this kind of repair.
Safety of Li-ion Battery:
Please charge the device with the equipped data cable and adapter.
It takes at least 4 hours but no more than 24 hours to charge each time.
Please charge in 24 hours when the battery is low or the laser is shut down
by low power.
Keep the device away from children and pets.
Do not charge the device in unattended condition.
Avoid charging or storing the batteries in cars. Do not place the batteries
near the source of heat to prevent ignition caused by extremely high or low
temperature.
5. Operation Guideline
Turn on the laser:
Self-leveling Mode
Switch the movement lock to the right, the unlocked status, to turn on the laser
and self-leveling mode by default. At this point, the horizontal laser will be enabled.
Press the vertical laser button to open V1, V3 laser window and the lower
reference point. The buzzer alarm will be triggered if the leveling angle of 3.5° is
exceeded.
Press vertical laser
button to enable V3
and V4 laser window.
Press it again to
enable V1 and V2
laser window, at this
point, 5 laser window
of laser level are
working simultaneously.
Press it again to turn
all the lasers off.
The horizontal laser button can be separately
controlled.
Modulation button,
short press it to
enter receiver
mode. The laser
darkens, which
can be used with
laser receiver.
Diagonal Mode
Keep the movement lock in locked status, long press the vertical/horizontal laser
button to turn on laser, and the device enters manual mode.
6. Battery Indicator
Green indicates
high battery
Yellow indicates
medium battery
Red indicates l
ow battery
LM555LD English ManualLM555LD English Manual

76
7. Specification
Product size
Self-leveling
Laser level
USB charging
Accuracy
Straightness accuracy
Lower reference point accuracy
Self-leveling angle
Operating distance (200Lux)
126mm x 120mm x 204.5mm
√
Class II IEC/EN.60825-1 2014
√
±2mm/10m
±2mm/10m
1mm/70cm
3.5°
20m (line) 25m (point)
Operating time
IP rating
Operating temperature
Line width (10m)
5h
IP54
-5°C~+40°C
3mm±1mm
The laser device has been carefully calibrated and packaged according to
various precise specifications before leaving the factory.
It is recommended to perform accuracy test before the first-time use and
perform test regularly, especially during high precision requirements.
Turn the device off when it is not in use.
Do not short-circuit the battery contacts, charge the alkaline battery, or throw
the battery into fire, these actions may cause dangerous accidents.
Do not use old and new batteries simultaneously. Be sure to replace all of
them with the same type of batteries in same brand.
Keep the battery out of the reach of children.
Do not expose the meter to sunlight or high temperatures. The meter shell and
some parts are made of plastic, which may be damaged in high temperature
environments.
Clean the outer plastic parts with a damp cloth. It is not recommended to clean
it with dissolvent. Wipe away moisture with a dry soft cloth before putting the
meter into the box.
Store the meter properly in its pouch or package. Remove the batteries during
long-time storage to avoid battery leakage.
Do not dispose the meter into household trash.
Dispose the battery or related electronic waste according to local laws and
WEEE (Waste Electrical and Electronic Equipment) rules.
8. Maintenance
LM555LD English ManualLM555LD English Manual

8
9. Accessories
10. Operating Demonstration Video
LM555LD Laser Level
USB data cable
5V1A adapter
Green laser glasses
Fiducial mark
Aluminum case
English Manual
Toolbox strap
LM555LD English Manual
Table of contents
Other Unit Laser Level manuals