UNI-T LM40e Laser Distance Meter Manual

UNI-T LM40e Laser Distance Meter Manual
 P/N:110401108544X
Laser Distance Meter English Manual
LVIADe/LM50e/LIME60e
Product Profile
> ON =—
1. Distance button
Short press to enter single measurement
mode
Long press to turn on the meter (off
state)/enter continuous measurement mode
2. Function button
Short press to switch measurement functions
3. Log button
Short press to scroll through history
Long press to save records
4. Unit/reference switching button
Short press to switch the references
Long press to switch the units
5. +/- button
Short press to add
Long press to subtract
6. Buzzer button
Short press to turn on/off the buzzer
7. Clear/off button
Short press to delete records (returns back
after clearing);
Long press to turn off the meter.
8. Caution label
9. Battery compartment
Symbols
|—»| Single/continuous measurement
77 Area measurement
— Volume measurement
| Direct Pythagoras measurement
< Indirect Pythagoras measurement D)
X Indirect Pythagoras measurement @
Operation Instructions
Turn on the meter and it will enter the single
measurement by default. Press to select the
measurement mode and the flashing edge is
the edge to be measured.
* Please pay attention to the measurement
reference. The starting point will be different
when different reference points are selected.
The measurement reference in this manual
refers to the rear reference.
1. Single Measurement
Turn on the meter and it will enter single
measurement mode by default. Point the laser
at the measurement target, then press J and
the measurement result will be displayed at
the bottom of the screen.
2. Continuous Measurement (Max/Min
Measurement)
This function can be used to measure the
diagonal of a house, look for horizontal lines,
stake out, etc.
Long press {TJ to enter the continuous
measurement. Point the laser at the
measurement target, then press TJ to stop
measuring. The MIN/MAX/current measured
value will be displayed on the screen.
* This function will stop automatically after 5
minutes of continuous measurement.
3. Area Measurement
1) Press|] to switch to area measurement — 7
2) According to the flashing edge, point the
laser at the first point of the target, press Eto
measure the first edge (length).
3) Point at the second point, press UY to
measure the second edge (width).
4) The calculation results of the length, width,
circumference and area will be displayed on
the screen.
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4. Volume Measurement
1) Press Dto switch to volume measurement Y
2) According to the flashing edge, point the
laser at the first point of the target, press EJ to
measure the first edge (length).
3) Point at the second point of the target,
press EJ to measure the second edge (width).
4) Point at the third point of the target, press EY
to measure the third edge (height).
5) The volume calculation result will be
displayed at the bottom of the screen.
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5. Pythagoras Measurement
All Pythagoras measurements can be applied
to different plane measurements, just ensure
that the right-angle side is perpendicular to
the object being measured.
Note: In Pythagorean Theorem, the right-
angle side cannot be longer than the
hypotenuse; otherwise a calculation error will
occur.
1) Press DD to switch to direct Pythagoras
measurement <I.
2) According to the flashing edge, point the
laser at the first point of the target, press EJ to
measure the hypotenuse.
3) Rotate to the direction perpendicular to the
target with the set reference as center, press UY
to measure one right-angle side.
4) The calculation result of the other right-
angle side is displayed at the bottom of the
screen.
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6. Indirect Pythagoras Measurement @
1) Press > to switch to indirect Pythagoras
measurement © <
2) According to the flashing edge, point the
laser at the first point of the target, press EJ to
measure the first hypotenuse.
3) Rotate to the direction perpendicular to the
target with the set reference as center, press
to measure one right-angle side.
4) Rotate to the third point of the target with
the same reference as center, press J to
measure the second hypotenuse.
5) The calculation result of the length between
the first point and the third point is displayed at
the bottom of the screen.
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7. Indirect Pythagoras Measurement @
1) Press >] to switch to indirect Pythagoras
measurement O NI.
2) According to the flashing edge, point the
laser to the first point of the target, press UY to
measure the first hypotenuse.
3) Rotate to the second point of the target with
the set reference as center, press Mo
measure the second hypotenuse.
4) Rotate to the direction perpendicular to the
target with the same reference as center,
pressZJto measure the third right-angle side.
5) The calculation result of the length between
the first point and the second pointis
displayed at the bottom of the screen.
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Standard Accessories
Accessories Quantity
1.5V AAA alkaline batteries 2
Manual 1
Device 1
Cloth bag 1
Technical Parameters
Range (m) 40m/50m/60m
Accuracy (mm) + (2.0mm+5x10°D)
Single measurement J
Continuous measurement
Area measurement
Volume measurement
Direct Pythagoras
Indirect Pythagoras ©
Indirect Pythagoras @
Addition/Subtraction
“| «| «| & | & | & | <
1.8" FSTN screen
Front/rear reference
m/ft/in/ft+in
Display type
Measurement references
Measurement units
Data logging 20 groups
Auto power off 3 minutes without operation
Laser class 2
Laser type 630-670nm, <1mW
Battery type 1.5V AAA alkaline batteries
Operating temperature 0°C~40°C (32°F~104°F)
Size (mm) 51X28X110mm
Weight (g) 106g
1. Range
The range data is based on the rear reference
by default; the maximum range may vary
depending on the model version, please refer
to the packing and the rear label of device for
the actual ranges.
2. Accuracy ("D" represents the measured
length)
Under good measurement conditions (good
measurement surface/room
temperature/indoor lighting, etc.): up to the
rated range.
Under bad measurement conditions (too much
light, weak reflection on the surface of the
measured objects or large temperature
difference, etc.): the error may increase.
Tip: Use a target board or a good reflective
surface in case of poor daylight or target
reflection.
3. In the ideal state, the short distance
accuracy can be up to 1mm
(Ideal state refers to constant speed (speed <
1m/s) and flat contact surface; short distance
means <1.5m)
4. Angle Error
0.1° is the error caused by the temperature, D
is +/-0-45°.
For example, the O degree error is +/-0.3° at
room temperature, the 45 degrees error is +/-
0.85° at non-room temperature.
Fault Code — Problems and
Solutions
All information is displayed in code or "Error".
The following shows the codes and their
explanations and the corresponding solutions:
Code Problems Solutions
. Follow the instructions and
204 Calculation error operate again
Please replace the battery
220 Low battery or charge it
The reflected light Please improve the
255 received is weak, or the | reflective surface (use a
measurement time is too
long
reflector, white paper,
etc.)
256
The received signal is too
strong
Please improve the
reflective surface (use a
reflector, or do not aim at
strong light)
261
Over range
Please measure within
the range
500
Hardware malfunction
If it still appears after the
meter has been turned
on/off multiple times,
please contact your
dealer.
LASER RADIATION,DO NOT STARE INTO BEAM
CLASS 2 LASER PRODUCT
MAXIMUM OUTPUT<1mW
WAVELENGTH 630-670nm
Laser Class 2 products;
Do not look into the beam directly or
indirectly with optical aids.
LINI-T.
UNI-TREND TECHNOLOGY (CHINA) CO., LTD.
No6, Gong Ye Bei 1st Road,
Songshan Lake National High-Tech Industrial
Development Zone, Dongguan City,
Guangdong Province, China
Tel: (86-769) 8572 3888
http://www.uni-trend.com
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UNI-T
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