Bosch GLM 20 Instrucciones de montaje

IMPORTANT: IMPORTANT: IMPORTANTE:

Read Before Using Lire avant usage Leer antes de usar

Operating/Safety Instructions

Consignes d’utilisation/de sécurité

Instrucciones de funcionamiento y seguridad

1-877-BOSCH99 (1-877-267-2499) www.boschtools.com

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GLM 20

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Professional

GLM 20

-2-

Professional

GLM 20

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1’ 6” (0.5m)

8’ (2.45m)

1’ 6” (0.5m)

-4-

General Safety Rules

Read all instructions. Failure to follow

all instructions listed below may result

in hazardous radiation exposure, electric shock, fire and/or

serious injury. The term “tool” in the warnings listed below

refers to your mains-operated (corded) tool or battery-operated

(cordless) tool.

SAVE ALL WARNINGS AND INSTRUCTIONS

FOR FUTURE REFERENCE

The following label is on your laser

tool for your safety. ALWAYS BE

AWARE of their location when

using the tool.

DO NOT direct the

laser beam at persons

or animals and do not

stare into the laser

beam yourself.This tool produces class 2 laser

radiation and complies with 21 CFR 1040.10

and 1040.11 except for deviations pursuant to Laser Notice

No. 50, dated June 24, 2007.This can lead to persons being

blinded.

Safety Symbols

The definitions below describe the level of severity for each

signal word. Please read the manual and pay attention to

these symbols.

!This is the safety alert symbol. It is used to alert you to

potential personal injury hazards. Obey all safety

messages that follow this symbol to avoid possible injury

or death.

Read manual symbol - Alerts user to read manual.

WARNING indicates a hazardous situation

which, if not avoided, will result in death or

serious injury.

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Working safely with the

measuring tool is possible

only when the operating and

safety information are read

completely and the instructions

contained therin are strictly

followed. Never make warning

labels on the Measuring tool

unrecognizable.

Never aim the beam at a

workpiece with a reflective

surface. Bright shiny reflective

sheet steel or similar reflective

surfaces are not recommended

for laser use. Reflective surfaces

could direct the beam back

towards the operator.

Take care to recognize the

accuracy and range of the

device. Measurement may not be

accurate if used beyond the rated

range of the device.

Use of controls or adjustments

or performance of procedures

other than those specified

herein may result in hazardous

radiation exposure.

The use of optical instruments

with this product will increase

eye hazards.

Have the measuring tool

repaired only through qualified

specialist using original spare

parts. This ensures that the

safety of the measuring tool is

maintained.

Do not allow children to use

the measuring tool without

supervision. They could

unintentionally blind other

persons.

Do not point the laser beam

at persons or animals and do

not look into the laser beam

yourself, not even from a large

distance.

Do not use the laser viewing

glasses as safety goggles. The

laser viewing glasses are used for

improved visualization of the laser

beam, but they do not protect

against laser radiation.

Do not use the laser viewing

glasses as sun glasses or

in traffic. The laser viewing

glasses do not afford complete

UV protection and reduce color

perception.

Safety Rules

Be sure to read and understand

all instructions in this manual

before using this product.

Failure to follow all instructions

may result in hazardous radiation

exposure, electric shock, fire,

and/or bodily injury.

Safe Operating Procedures

-6-

Use of controls or adjustments

or performance of procedures

other than those specified

in this manual, may result in

hazardous radiation exposure.

The use of optical instruments

with this product will increase

eye hazard.

ALWAYS: Make sure that any

bystanders in the vicinity of use

are made aware of the dangers

of looking directly into the

measuring tool.

DO NOT remove or deface

any warning or caution labels.

Removing labels increases

the risk of exposure to laser

radiation.

DO NOT stare directly at the

laser beam or project the laser

beam directly into the eyes of

others. Serious eye injury could

result.

DO NOT place the measuring

tool in a position that may

cause anyone to stare into

the laser beam intentionally

or unintentionally. Serious eye

injury could result.

DO NOT use any optical tools

such as, but not limited to,

telescopes or transits to view

the laser beam. Serious eye

injury could result.

ALWAYS remove the batteries

when cleaning the laser light

aperture to laser lens.

DO NOT operate the measuring

tool around children or

allow children to operate the

measuring tool. Serious eye

injury could result.

ALWAYS turn the measuring

tool “OFF” when not in use.

Leaving the measuring tool “ON”

increases the risk of someone

inadvertently staring into the laser

beam.

DO NOT operate the measuring

tool in combustible areas such

as in the presence of flammable

liquids, gases or dust.

ALWAYS position the

measuring tool securely.

Damage to the measuring tool

and/or serious injury to the user

could result if the measuring tool

falls.

ALWAYS use only the

accessories that are

recommended by the

manufacturer of your measuring

tool. Use of accessories that

have been designed for use with

other measuring tools could result

in serious injury.

DO NOT leave measuring tool

“on” unattended in any operation

mode.

Repair and servicing must

always be performed by a

qualified repair facility. Repairs

performed by unqualified

personnel could result in serious

injury.

DO NOT use this measuring

tool for any purpose other than

those outlined in this manual.

This could result in serious injury.

DO NOT disassemble the

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measuring tool. There are no

user serviceable parts inside.

Disassembling the laser will

void all warranties on the

product. Do not modify the

product in any way. Modifying

the measuring tool may result

in hazardous laser radiation

exposure.

Electrical safety

Batteries can explode or leak,

cause injury or fire. To reduce

this risk, always follow all

instructions and warnings on

the battery label and package.

DO NOT short any battery

terminals.

DO NOT charge alkaline

batteries.

DO NOT mix old and new

batteries. Replace all of them

at the same time with new

batteries of the same brand

and type.

DO NOT mix battery

chemistries.

Dispose of or recycle batteries

per local code.

DO NOT dispose of batteries

in fire.

Keep batteries out of reach of

children.

Remove batteries if the device

will not be used for several

months.

Features

The numbering of the product features shown refers to the

illustration of the measuring tool on the graphic page.

1On/Off (Hold button)

2 Display

3 Battery lid

4Latch of battery lid

5Serial number

6Laser warning label

7Reception lens

8Laser beam outlet

9Hand strap*

* Optional accessory

Display Elements

aBattery low indicator

bTemperature warning

cLaser switched on

dMeasurement hold

ePrevious measuring value

fUnit of measure

gCurrent measuring value

The measuring tool is intended for measuring distances,

lengths, heights and clearances. The measuring tool is suitable

for measuring only indoors.

Intended Use

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Digital Laser Measure GLM 20

Measuring range (typical) 6 in - 65 ft (0.15 –20 mA)

Measuring accuracy (typical) ±1/8 in (±3.0 mmB)

Lowest indication unit 1/16 in (1 mm)

Measuring duration

– typical 0.5 s

– maximal 4 s

Operating temperature +14° F to 104° F (-10° C to +40° C)

Storage temperature -4° F to 158° F (-20° C to +70° C)

Relative air humidity, max. 90 %

Laser class 2

Laser type 635 nm, <1mW

Laser beam diameter 77° F (at 25 °C)

and at 30 ft (10 m) distance, approx. 3/8 in (9 mm)

and at 65 ft (20 m) distance, approx. 3/4 in (18 mm)

Batteries 2 x 1.5V (AAA)

Battery service life in measuring operation, approx. 5 h

Weight 0.2 lb (0.1 kg)

Dimensions 4 x 1.4 x 0.9 in (100 x 36 x 23 mm)

A) The working range increases depending on how well the laser light is reflected

from the surface of the target (scattered, not reflective) and with increased brightness

of the laser point to the ambient light intensity (interior spaces, twilight). In unfavorable

conditions, e.g., with extreme interior illumination or a badly reflecting surface, the

measuring range may be limited.

B) In unfavorable conditions, e.g., with extreme interior illumination, badly reflecting

surface or the room temperature deviating heavily from 77°F (25°C), the maximum

deviation can be up to ±7 mm per 15 m. In favorable conditions, a deviation influence

of ±0.05 mm/m must be taken into account.

The measuring tool can be clearly identified with the serial number 5on the type

plate.

Technical Data

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Preparation

Inserting/Replacing the Batteries

AAA Alkaline batteries are recommended for the measuring

tool.

To open the battery lid 3, press the latch 4in the direction

of the arrow and remove the battery lid. Insert the batteries.

When inserting, pay attention to the correct polarity

according to the representation on the inside of the battery

compartment.

When the battery symbol appears for the first time on

the display, measurements are still possible for approx. 15

minutes. When the battery symbol flashes, the batteries must

be replaced; measurements are no longer possible.

Always replace all batteries at the same time. Only use

batteries from one brand and with the identical capacity.

Remove the batteries from the tool when not using it for

extended periods. When storing for extended periods, the

batteries can corrode and discharge themselves.

-10-

Operation

Initial Operation

Protect the tool against moisture and

direct sun irradiation.

Do not subject the tool to extreme temperatures or

variations in temperature. As an example, do not leave it

in vehicles for longer periods. In case of large variations in

temperature, allow the tool to adjust to the ambient temperature

before putting it into operation. In case of extreme temperatures

or variations in temperature, the accuracy of the tool can be

impaired.

Avoid heavy impact or falling of the tool. After heavy exterior

impact on the tool, an accuracy check should always be

carried out before continuing to work (see “Accuracy Check

of the Distance Measurement”, page 13) each time before

continuing to work.

Do not point the laser beam at persons

or animals and do not look into the laser

beam yourself, not even from a large distance.

Do not leave the switched on measuring tool unattended

and switch the tool off after use. Other persons could be

blinded by the laser beam.

Switching On and Off

To switch on the measuring tool, push down the On/Off button

1. When switching on the measuring tool, the laser beam is

switched on. The laser indicator flashes on the display.

To switch off the measuring tool, push down the On/Off button 1

and hold for 3 seconds.

When no button on the measuring tool is pressed for approx. 5

minutes, the measuring tool automatically switches off to save

the batteries.

Measuring Procedure

Measurements are taken from the rear edge of the tool as

indicated by icon located on the tool’s rubber overmold.

WARNING

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