Johnson LDM100 User manual

©2017 Johnson Level & Tool 1
100′Laser Distance Meter
Model No. LDM100
Instruction
Manual
Congratulations on your choice of this Laser
Distance Meter. We suggest you read this
instruction manual thoroughly before using the
instrument and save this instruction manual for
future use.
This is a Class laser tool and is manufactured to comply with CRF 21,
parts 1040.10 and 1040.11 as well as international safety rule EC 285.
The laser also complies with EMC Test according to EN61000-6-3;
2001+A11:2004, EN 6100-6-1:2011, EN 6100-4-2, EN 61000-4-3, EN
60825, FCC Test according to PART 15.
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2©2017 Johnson Level & Tool
able of Contents
1. Kit Contents
2. Features and Functions
3. Safety nstructions
4. Location/Content
of Warning Labels
5. Location of Parts/Components
6. Battery nstallation
7. Operating nstructions
8. Tips from the Pros
9. Care and Handling
10. Troubleshooting Guide
11. Technical Specifications
12. Product Warranty
13. Warranty Registration
14. Accessories
1. Kit Contents
Description Qty.
Laser Distance Meter 1
“AAA” Alkaline Batteries 2
Wrist Strap 1
2. Features and Functions
• Displays in English or metric units with decimals or fractions
(English units only)
• Accuracy of
± 5/64 ″ (0.0781 ″ , or 2mm)
• High-speed microprocessor for quick, accurate calculations
• P 54 protection – sealed from dust and rainwater
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3. Safety Instructions
Please read and understand all of the following instructions, prior
to using this tool. Failure to do so, may void the warranty.
DANGER!
Class Laser Product
Max. Power Output: ≤1mW
Wavelength: 640-660nm
HIS OOL EMI S LASER RADIA ION.
DO NO S ARE IN O BEAM.
AVOID DIREC EYE EXPOSURE.
ATTENTION IMPORTANT
• Read all instructions prior to operating this laser tool. Do not remove any labels from tool.
• Do not stare directly at the laser beam.
• Do not project the laser beam directly into the eyes of others.
• Do not set up laser tool at eye level or operate the tool near a reflective surface as
the laser beam could be projected into your eyes or into the eyes of others.
• Do not place the laser tool in a manner that may cause someone to unintentionally
look into the laser beam. Serious eye injury may result.
• Do not operate the tool in explosive environments, i.e. in the presence of gases or
flammable liquids.
• Keep the laser tool out of the reach of children and other untrained persons.
• Do not attempt to view the laser beam through optical tools such as telescopes as
serious eye injury may result.
• Always turn the laser tool off when not in use or left unattended for a period of time.
• Remove the batteries when storing the tool for an extended time (more than 3 months)
to avoid damage to the tool should the batteries deteriorate.
• Do not attempt to repair or disassemble the laser tool. f unqualified persons attempt
to repair this tool, warranty will be void.
• Use only original Johnson®parts and accessories purchased from your Johnson®
authorized dealer. Use of non-Johnson®parts and accessories will void warranty.
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4©2017 Johnson Level & Tool
4. Location/Content of Warning Labels
Error Code Label
The LDM may return an error code during use, as
indicated by the display showing “ERR X,” where
“X” represents a number from 1 to 6.
The error codes are as follows:
1. Laser Range – The measurement distance is
outside the range listed in the specifications.
2. Weak Signal – The reflected laser signal is too
weak, either due to high ambient lighting at the
target or poor target reflectivity.
3. Display Range – The measurement distance,
area or volume exceeds the number of units the
display is capable of showing.
4. Low Battery – The batteries need to be replaced.
5. Temperature – The tool is either above the
maximum or below the minimum safe operating
temperature range.
6. Ambient Light – The tool is being used in too
bright of an environment to operate properly.
QR Code: Use a smartphone to scan the QR code to
be taken directly to Johnson Level & Tool’s
Operator’s Manual Page.
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5. Location of Parts/Components
LCD Screen
Laser Emitted
Window
Laser Receiving
Window
Power On / Unit /
Measure Button
Tap for:
• Power on the unit
• Measure
Press and hold for:
• Set units of
measurement
Power Off /
Reference Button
Tap for:
• Adjust the
measurement
reference
Press and hold for:
• Power off the unit
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6©2017 Johnson Level & Tool
Not all features found on the LCD screen are found in every Johnson
Level & Tool Laser Distance Meter. See the notes below for further
information.
Notes:
* Feature available in the LDM330 only.
† Feature available in the LDM195 and LDM330 only.
∆ Feature found in the LDM130 and LDM330 only.
‡ Feature found in the LDM130, LDM195 and LDM330 only.
1. Measurement Reference Position
2. Measuring Mode
3. Memory (recent measurements)*
4. Active Laser ndicator
5. Add and Subtract‡
6. Maximum Display
7. ndirect Measuring Mode
(Pythagoras Measurements)‡
8. Minimum Display
9. Stake-out Direction ndicator†
10. Main Screen –
Current Measurement
11. Countdown Timer*
12. Bluetooth ndicator∆
13. Battery Status ndicator
14. Secondary Screens
(prior 2 measurements)
LCD Screen
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6. Battery Installation
To install batteries in the Laser Distance Meter:
1.
Remove the battery cover by lifting the cover straight
up from the bottom of the Laser Distance Meter as
shown by the arrow in the image to the right.
2. nsert 2 “AAA” batteries into the battery compart-
ment according to the polarity illustrated inside.
3. Replace the battery cover.
Current Batter Status
When the Laser Distance Meter is powered on, a battery icon will
briefly display on the LCD screen to indicate the current battery life.
When the battery life is low, the battery icon will automatically
display on the LCD screen.
Battery has 100% power
Battery has approximately 60% power
Battery has approximately 25% power
Battery has approximately 5% power,
and new batteries are needed
Notes:
• Use only alkaline batteries.
• Remove the batteries when storing the instrument for an extended
time (more than 3 months) to avoid damage to the tool should the
batteries deteriorate.
©2017 Johnson Level & Tool 7
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7. Operating Instructions
IMPOR AN : t is the responsibility of the user to ensure proper
maintenance of the Laser Distance Meter. Conduct periodic test
measurements to ensure the instrument is measuring accurately
and consistently. This is most important if the instrument has been
exposed to extreme temperatures or moisture. Always confirm
accuracy before and during important measurements. Keep the
Laser Distance Meter optic lens clean and inspect for damage.
The Laser Distance Meter is designed to withstand a drop from
3 feet (1 meter). f dropped from a higher distance, the tool’s
calibration may be affected and it should be tested for accuracy.
Power On/Off the Laser Distance Meter
To power on the instrument, press the button.
To power off the instrument, press and hold the button for
2 seconds. The instrument will emit a long beep and will turn off.
Automatic Shutoff
Laser will turn off after remaining idle for 2 minutes. Press the
button to re-enable the laser.
Unit will emit a long beep and turn off after remaining idle for
5 minutes.
8©2017 Johnson Level & Tool
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Units of Measure
The Laser Distance Meter has 7 units of measure.
1. Feet in decimal format (e.g., 6.637 ft)
2. nches in decimal format (e.g., 79.646 in)
3. Feet and inches in 1/32
″ (e.g., 6′7 ″ 21/32)
4. nches in 1/32 ″ (e.g., 79 ″ 21/32)
5. nches in 1/16
″ (e.g., 79 ″ 11/16)
6. nches in 1/8 ″ (e.g., 79 ″ 5/8)
7. Meters (e.g., 2.023 m)
To select a unit of measure before taking a measurement, press and
hold the button. The word “Unit” will display in the center of the
LCD screen, and the unit of measure will display at the bottom right of
the LCD screen, or after taking a measurement, press and hold the
button to scroll through the various units of measurement.
Measurement Reference Position
Note: Setting the measurement reference correctly is critical to
obtaining an accurate measurement, as it establishes the place where
a reading of zero (0) is located. f the wrong reference position is
selected, the measurement will be off by the length of the tool
(5.7 inches/≈5 3/4
″ ).
The Laser Distance Meter has two reference positions for measurement,
which establish the place where a reading of zero (0) is located. When the
instrument is first turned on, it will default to the most recently used position.
1. Front of the unit
2. Back of the unit
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10 ©2017 Johnson Level & Tool
To select the desired position, press the button. The laser indicator
icon at the top left of the LCD screen will display the selected position.
Single Length Measurement Mode
1. After selecting the desired unit of measure and reference
position, aim the Laser Distance Meter so that the laser dot is on
the selected target.
2. Keep your position stable and press the button.
3. The measurement will appear on the main display, and the laser
will turn off.
4. Press the button again to turn on the laser for your next
length measurement.
5. The latest measurement will display on the main LCD screen, while
the prior measurement will display above it on the secondary display.
Front of Unit Reference Position Back of Unit Reference Position
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8. ips from the Pros
• Take more than one measurement in situations where accuracy
is critical.
• Take 3-4 measurements from the same position to compare the
consistency of each reading.
• To accurately measure objects lacking
an inside corner from the rear of the
instrument, use a scrap piece of
drywall or other flat material to extend
the corner. Butt the Laser Distance
Meter up to the material (as shown).
• f error message “ERR 2” appears,
place a white sheet of paper or reflec-
tive tape over the targeted measuring
surface to improve the return signal.
• Be aware that when outdoors, the
working range of the tool decreases
significantly due to ambient light.
• To make the laser beam more visible, aim it down in front of you
and then follow it with your eyes as you move it towards the
desired target.
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12 ©2017 Johnson Level & Tool
9. Care and Handling
• This Laser Distance Meter unit is a precision tool that must be handled
with care.
• Avoid exposing unit to shock vibrations and extreme temperatures.
• Remove the batteries when storing the unit for an extended time (more than
3 months) to avoid damage to the unit should the batteries deteriorate.
• Avoid getting the unit wet.
• Keep the laser unit dry and clean, especially the laser output window.
Remove any moisture or dirt with a soft, dry cloth.
• Do not use harsh chemicals, strong detergents or cleaning solvents to clean
the unit.
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10. roubleshooting Guide
This section is designed to help you diagnose and troubleshoot
common problems that prevent the Laser Distance Meter from
working properly.
f the Laser Distance Meter returns an ERR code (display shows ERR
plus a number from 1 to 6), please
refer to Section 4 of this manual
for possible resolutions. f your Laser Distance Meter fails to operate
in any other way, please refer to the following troubleshooting guide
for some suggestions on how to diagnose the problem.
Symptom
Will not turn on
Possible Cause
Batteries missing or
depleted
Polarity reversed
Solution
Change the batteries
Check battery polarity
Turns off after a short
time
Batteries depleted Change the batteries
Measurement seems
incorrect
ncorrect reference
position used
Set the reference
position to the front rear
edge of the tool, as
appropriate
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11. echnical Specifications
Laser Wavelength 650 nm
Laser Classification
Maximum Power Output ≤1mW
Accuracy
±5/64″over the full working range
nterior Range 2 ″ - 100′
Operating Modes Single
Units ft, in, m, 1/8
″ , 1/16 ″ , 1/32 ″
Bluetooth No
Angle Sensor No
Operating
Temperature Range 23°F - 104°F
Storage
Temperature Range -4°F - 160°F
Power Supply 2 “AAA” alkaline batteries (included)
Battery Life minimum 10 hours/10,000 measurements
Dimensions 5.7
″ x1.3 ″ x 0.9 ″
Weight 2.88 oz. including batteries;
2.13 oz. excluding batteries
P Rating P 54
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12. Product Warranty
Johnson Level & Tool offers a two year limited warranty on each of its products.
You can obtain a copy of the limited warranty for a Johnson Level & Tool
product by contacting Johnson Level & Tool's Customer Service Department,
as provided below, or by visiting our web site at www.johnsonlevel.com. The
limited warranty for each product contains various limitations and exclusions.
Do not return this product to the store/retailer or place of purchase.
Non-warranty repairs and course calibration must be done by an authorized
Johnson®service center or Johnson Level & Tool's limited warranty, if
applicable, will be void and there will be NO WARRANTY. Contact one of our
service centers for all non-warranty repairs. A list of service centers can be
found on our web site at www.johnsonlevel.com or by calling our Customer
Service Department. Contact our Customer Service Department for Return
Material Authorization (RMA) for warranty repairs (manufacturing defects
only). Proof of purchase is required.
NO E: The user is responsible for the proper use and care of the product. t is the
responsibility of the user to verify the calibration of the instrument before each use.
For further assistance, or if you experience problems with this product that are not
addressed in this instruction manual, please contact our Customer Service Dept.
n the U.S., contact Johnson Level & Tool’s Customer Service Department at
888-9-LEVELS.
n Canada, contact Johnson Level & Tool’s Customer Service Department at
800-346-6682.
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16 ©2017 Johnson Level & Tool
13. Warranty Registration
Please register within 30 days of purchase. Registering ensures we
have your information on file for warranty service even if you lose your
receipt, and lets us contact you if there is ever a product recall. We will
never sell your information and only send you marketing information if
you opt-in.
To register, go to www.johnsonlevel.com/register.
14. Accessories
Johnson®accessories are available for purchase through authorized
Johnson®dealers. Use of non-Johnson®accessories will void any
applicable limited warranty and there will be NO WARRANTY. f you need
any assistance in locating any accessories, please contact our
Customer Service Department.
n the U.S., contact Johnson Level & Tool’s Customer Service
Department at 888-9-LEVELS.
n Canada, contact Johnson Level & Tool’s Customer Service
Department at 800-346-6682.
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