Johnson LDM100 Manuale utente

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.

2162i-1_Manuals 8/21/17 1:56 PM Page 1

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

2162i-1_Manuals 8/21/17 1:56 PM Page 2

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.

2162i-1_Manuals 8/21/17 1:56 PM Page 3

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.

2162i-1_Manuals 8/21/17 1:56 PM Page 4

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

2162i-1_Manuals 8/21/17 1:56 PM Page 5

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

2162i-1_Manuals 8/21/17 1:56 PM Page 6

6. Battery Installation

To install batteries in the Laser Distance Meter:

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.

2162i-1_Manuals 8/21/17 1:56 PM Page 7

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.

2162i-1_Manuals 8/21/17 1:56 PM Page 8

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

2162i-1_Manuals 8/21/17 1:56 PM Page 9

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

2162i-1_Manuals 8/21/17 1:56 PM Page 10

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