BOSCH 0601061805 GRL 400 H Rotating Laser Instruction Manual
- June 13, 2024
- Bosch
Table of Contents
BOSCH 0601061805 GRL 400 H Rotating Laser
Product Information
- Product Name: GRL 400 H Professional
- Manufacturer: Robert Bosch Power Tools GmbH
- Address: 70538 Stuttgart, GERMANY
- Website: www.bosch-pt.com
- Product Number: 1 609 92A 8LK
- Date of Manual: 10.07.2023
Product Description: The GRL 400 H Professional is a rotating laser tool used for various applications.
Technical Specifications:
- Working Range (Radius): 10m – 0.5-200m
- Leveling Accuracy at 30m Distance: 15s
- Self-Leveling Range (Typical): 600 min-1
- Leveling Time (Typical): 15s
- Rotation Speed: 600 min-1
- Operating Temperature: -10°C to +50°C
- Storage Temperature: -20°C to +70°C
- Maximum Relative Humidity: 90%
- Laser Class: 2
- Laser Type: 635nm, <1mW
- Divergence: 0.4 mrad (Full Angle)
- Thread for Tripod Mounting: 5/8-11
- Battery Type: LR6 (AA)
- Weight: 2.0 kg
- Protection Class: IP56 (dust and water spray resistant)
Please refer to the illustrations in the front section of the user manual for component references.
Serial Number: The serial number (10) on the nameplate is used for unique identification of your measuring tool.
Product Usage Instructions
- Mounting: Place the measuring tool on a stable surface in a horizontal position or mount it on a tripod (14).
- Battery Installation/Replacement: Insert or replace the batteries according to the instructions.
- Battery Indicator: Check the battery indicator to monitor the battery level.
- Power On: Switch on the measuring tool.
- Leveling: Set up the measuring tool on a stable surface or mount it on a tripod for accurate leveling. Wait for the leveling process to complete.
- Shock Warning Function: The shock warning function settings are saved when the measuring tool is turned off.
- Work Surface: Place the measuring tool on a wall using a tripod or on a solid, flat surface.
- Operating Distance: Maintain a maximum working distance of 30m for optimum performance.
- Operating Tips: Follow the guidelines and safety precautions mentioned in the user manual for efficient and safe operation.
- Examples of Use: The measuring tool can be used for various applications, including laser beam rotation and leveling tasks.
Safety Instructions
All instructions must be read and observed in order for the measuring tool to function safely. The safeguards integrated into the measuring tool may be compromised if the measuring tool is not used in accordance with these instructions. Never make warning signs on the measuring tool unrecognisable. SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE AND INCLUDE THEM WITH THE MEASURING TOOL WHEN TRANSFERRING IT TO A THIRD PARTY.
- Warning! If operating or adjustment devices other than those specified here are used or other procedures are carried out, this can lead to dangerous exposure to radiation.
- The measuring tool is delivered with a laser warning sign (marked in the illustration of the measuring tool on the graphics page).
- If the text of the laser warning label is not in your national language, stick the provided warning label in your national language over it before operating for the first time.
- Do not direct the laser beam at persons or animals and do not stare into the direct or reflected laser beam yourself. You could blind somebody, cause accidents or damage your eyes.
- If laser radiation hits your eye, you must close your eyes and immediately turn your head away from the beam.
- Do not make any modifications to the laser equipment.
- Do not use the laser goggles (accessory) as protective goggles. The laser goggles make the laser beam easier to see; they do not protect you against laser radiation.
- Do not use the laser goggles (accessory) as sunglasses or while driving. The laser goggles do not provide full UV protection and impair your ability to see colours.
- Have the measuring tool serviced only by a qualified specialist using only original replacement parts. This will ensure that the safety of the measuring tool is maintained.
- Do not let children use the laser measuring tool unsupervised. They could unintentionally blind themselves or other persons.
- Do not use the measuring tool in explosive atmospheres which contain flammable liquids, gases or dust. Sparks may be produced inside the measuring tool, which can ignite dust or fumes.
- Do not use any optical instruments such as binoculars or magnifying glasses to view the radiation source. Doing so can damage your eyes.
- Keep the measuring tool and the magnetic accessories away from implants and other medical devices, e.g. pacemakers or insulin pumps. The magnets inside the measuring tool and accessories generate a field that can impair the function of implants and medical devices.
- Keep the measuring tool and the magnetic accessories away from magnetic data storage media and magnetically sensitive devices. The effect of the magnets inside the measuring tool and accessories can lead to irreversible data loss.
Product Description and Specifications
Please observe the illustrations at the beginning of this operating manual.
Intended Use
The measuring tool is intended for establishing and checking exactly
horizontal height profiles.
The measuring tool is suitable for indoor and outdoor use. This product is a
consumer laser product in accordance with EN 50689.
Product Features
The numbering of the product features shown refers to the illustration of the
measuring tool on the graphic page.
- Laser beam outlet aperture
- Variable laser beam
- Shock-warning function indicator
- On/off button
- Status indicator
- Battery warning
- Battery compartment
- Locking knob of the battery compartment
- 5/8″ tripod mount
- Serial number
- Laser warning label
- Laser receiver a)
- Measuring rod a)
- Tripod a)
- Magnet a)
- Laser viewing glasses a)
- Laser target plate a)
- Case a)
a) Accessories shown or described are not included with the product as standard. You can find the complete selection of accessories in our accessories range.
Technical data
- A) At 25 °C
- B) The working range may be reduced by unfavourable environ-mental conditions (e.g. direct sunlight).
- C) Along the axes
- D) Only non-conductive deposits occur, whereby occasional temporary conductivity caused by condensation is expected.
The serial number (10) on the type plate is used to clearly identify your measuring tool.
Assembly
Inserting/changing the batteries
It is recommended that you use alkaline manganese batteries to operate the
measuring tool.
To remove the battery compartment (7), turn the locking mechanism (8) to
position . Pull the battery compartment out of the measuring tool and insert
the batteries.
When inserting the batteries, ensure that the polarity is correct according to
the illustration on the inside of the battery compartment.
Always replace all the batteries at the same time. Only use batteries from the
same manufacturer and which have the same capacity.
Slide the battery compartment (7) into the measuring tool and turn the locking
mechanism (8) to position .
Take the batteries out of the measuring tool when you are not using it for a prolonged period of time. The batteries can corrode and self-discharge during prolonged storage in the measuring tool.
Charge-control indicator
When the battery warning (6) flashes red for the first time, the measuring
tool can still be operated for approx. 2 hours.
When the battery warning (6) lights up red continuously, no further
measurements can be taken. The measuring tool switches off automatically after
1 minute.
Operation
-
Protect the measuring tool from moisture and direct sunlight.
-
Do not expose the measuring tool to any extreme temperatures or fluctuations in temperature. For example, do not leave it in a car for extended periods of time. If it has been subjected to significant fluctuations in temperature, first allow the measuring tool to adjust to the ambient temperature and then always carry out an accuracy check before continuing work (see “Accuracy Check of the Measuring Tool”, page 14).
The precision of the measuring tool may be compromised if exposed to extreme temperatures or fluctuations in temperature. -
Avoid substantial knocks to the measuring tool and avoid dropping it. Always carry out an accuracy check before continuing work if the measuring tool has been subjected to severe external influences (see “Accuracy Check of the Measuring Tool”, page 14).
-
Keep the work area free from obstacles that could reflect or obstruct the laser beam. For example, cover any reflective or shiny surfaces. Do not measure through panes of glass or similar materials. The measurements may be distorted by a reflected or obstructed laser beam.
Starting Operation of the rotary laser
Setting up the measuring tool
Place the measuring tool on a stable surface in the horizontal position or mount it on the tripod (14).
Due to its high levelling accuracy, the measuring tool is very sensitive to knocks and vibrations and changes in position. Take care, therefore, that the measuring tool is stable to avoid interruptions to the operation caused by relevelling.
Switching On and Off
To switch on the measuring tool, press the on/off button (4). All indicators
light up briefly. The measuring tool emits the variable laser beam (2) from
the outlet aperture (1).
- Do not direct the laser beam at persons or animals and do not stare into the laser beam yourself (even from a distance).
The measuring tool immediately starts automatic levelling. During levelling,
the status indicator (5) flashes green, the laser does not rotate and flashes.
The measuring tool is levelled in as soon as the status indicator (5) lights
up green continuously and the laser lights up continuously. After levelling is
completed, the measuring tool automatically starts in rotational operation.
- Never leave the measuring tool unattended when switched on, and ensure the measuring tool is switched off after use. Others may be blinded by the laser beam.
The measuring tool exclusively operates with fixed rotational speed in
rotational operation, which is also suitable for use of a laser receiver.
When factory set, the shock-warning function is automatic-ally switched on and
the shock-warning function
indicator (3) lights up green.
To switch off the measuring tool, briefly press the on/off button (4). When
the shock warning has actuated (the shock-warning function indicator (3)
flashes red), briefly press the on/off button once to restart the shock-
warning function and then press it briefly again to switch off the measuring
tool.
To save the batteries, the measuring tool is automatically switched off when
not within the self-levelling range for more than 2 hours or when the shock
warning is actuated for more than 2 hours. Reposition the measuring tool and
switch on again.
Automatic Levelling
Overview
After switching on, the measuring tool checks the horizontal position and
automatically levels out any unevenness within the self-levelling range of
approx. ±8 % (±4.6°).
During levelling, the status indicator (5) flashes green, the laser does not
rotate and flashes.
The measuring tool is levelled in as soon as the status indicator (5) lights
up green continuously and the laser lights up continuously. After levelling is
completed, the measuring tool automatically starts in rotational operation.
When the measuring tool is out-of-level by more than 8 %after switching it on
or after a position change, levelling in is no longer possible. In this case,
the rotor is stopped, the laser flashes and the status indicator (5)
continuously lights up red.
Reposition the measuring tool and wait for it to re-level. Without
repositioning, the laser is automatically switched off after 2 minutes and the
measuring tool after 2 hours.
If the measuring tool is levelled, it constantly checks the level position.
Re-levelling is automatically performed if there are any position changes. To
avoid faulty measurements, the ro-tor stops during the levelling process, the
laser flashes and the status indicator (5) flashes green.
Shock-warning function
The measuring tool has a shock-warning function. After position changes or
shock to the measuring tool, or in case of ground vibrations, it keeps the
measuring tool from levelling in at changed positions, and thus prevents
errors caused by a change in the measuring tool’s position.
Activating the shock warning: After switching on the measuring tool, the
shock-warning function is switched on when factory set (the shock warning
indicator (3) lights up green). The shock warning is activated approx. 30
seconds after switching on the measuring tool or switching on the shock-
warning function.
Shock warning actuated: If the levelling-accuracy range is exceeded when
changing the position of the measuring tool or a severe knock is registered,
the shock warning will be ac-tuated. The laser will stop rotating, the laser
beam will flash, the status indicator (5) will go out and the shock-warning
indicator (3) will flash red.
When the shock warning has actuated, briefly press the on/off button (4). The
shock-warning function is restarted and the measuring tool starts the
levelling. As soon as the meas-uring tool is levelled in (the status indicator
(5) lights up green continuously), it automatically starts in rotational
operation.
Now check the position of the laser beam at a reference point and, if
necessary, correct the height of the measuring tool.
If the function is not restarted by pressing the on/off button (4) after the
shock warning has actuated, the laser is automatically switched off after 2
minutes and the measur-ing tool after 2 hours.
Switching off the shock-warning function: To switch the shock-warning function
off or on, press the on/off button (4) for 3 seconds. When the shock warning
has actuated (shock warning indicator (3) flashes red), firstly press the
on/off button briefly, and then again for 3 seconds. When the shock warning is
switched off, the shock warning indicator (3) will go out.
If the shock-warning function has been switched on, it will be activated after
approximately 30 seconds.
The shock-warning function setting is stored when switching off the measuring
tool.
Accuracy Check of the Measuring Tool
Influences on Accuracy
The largest influence is exerted by the ambient temperature. In particular,
temperature differences that occur from the ground upwards can refract the
laser beam.
In order to minimise thermal influences resulting from heat rising from the
floor, it is recommended that you use the measuring tool on a tripod. In
addition, position the measur-ing tool in the centre of the work surface,
wherever this is possible.
In addition to external influences, device-specific influences (e.g. falls or
heavy impacts) can also lead to deviations. For this reason, check the
levelling accuracy each time before beginning work.
Should the measuring tool exceed the maximum deviation during one of the
tests, please have it repaired by a Bosch after-sales service.
Check the levelling accuracy
For a reliable and precise result, it is recommended that you check the
levelling accuracy on a free measuring distance of 30 m on firm ground in
front of a wall. Carry out a com-plete measuring procedure for each of the two
axes.
- Mount the measuring tool on a tripod at a distance of 30 m to the wall or place it on a firm and level surface. Switch on the measuring tool.
- Once levelling is complete, mark the centre of the laser beam on the wall (point Ⅰ).
- Rotate the measuring tool 180° without changing its position. Allow it to level in and mark the centre point of the laser beam on the wall (point Ⅱ). Note that point Ⅱ should preferably be positioned vertically above or below point Ⅰ.
The discrepancy d between the two marked points Ⅰ and Ⅱ on the wall reveals
the actual height deviation of the measuring tool for the axis being measured.
Repeat the measuring process for the other axis. To do this, turn the
measuring tool by 90° before beginning the measurement.
The maximum permitted deviation on the 30 m measuring distance is as follows:
30 m × ±0.08 mm/m = ±2.4 mm. The discrepancy d between points Ⅰ and Ⅱ must
therefore amount to no more than 4.8 mm for each of the two measuring
processes.
Working Advice
- Only the centre of the laser line must be used for marking. The width of the laser line changes depending on the distance.
Working with the Laser Target Plate
The laser target plate (17) improves visibility of the laser beam in
unfavourable conditions and at greater distances. The reflective surface of
the laser target plate (17) improves visibility of the laser line. The
transparent surface enables the laser line to be seen from behind the laser
target plate.
Working with the Tripod (Accessory)
A tripod offers a stable, height-adjustable support surface for measuring.
Place the measuring tool with the 5/8″ tripod mount (9) on the thread of the
tripod (14). Tighten the measuring tool using the locking screw of the tripod.
On a tripod featuring a measuring scale on its extender, you can set the
height deviation straight away.
Roughly align the tripod before switching on the measuring tool.
Working with the Laser Receiver (accessory)
Use the laser receiver (12) to improve detection of the laser lines in adverse
lighting conditions (bright environment, direct sunlight) and over greater
distances.
For rotary lasers with multiple operating modes, select the horizontal or
vertical operation with the highest rotational speed.
Before working with the laser receiver, read and observe the laser receiver
operating instructions.
Working with the measuring rod (accessory) (see figure
A)
To check levels or apply slopes, it is recommended to use the measuring rod
(13) together with the laser receiver.
A relative measuring scale is incorporated at the top of the measuring rod
(13). You can preselect its zero at the bottom on the extender. This enables
you to read deviations from the target height straight away.
Laser Goggles (Accessory)
The laser goggles filter out ambient light. This makes the light of the laser
appear brighter to the eye.
- Do not use the laser goggles (accessory) as protective goggles. The laser goggles make the laser beam easier to see; they do not protect you against laser radiation.
- Do not use the laser goggles (accessory) as sunglasses or while driving. The laser goggles do not provide full UV protection and impair your ability to see colours.
Example applications
Checking depths of foundation pits (see figure A)
Place the measuring tool on a stable surface or mount it on a tripod (14).
Working with a tripod: Set the laser beam at the required height. Apply or
check the height at the target location. Working without the tripod: Establish
the height difference between the laser beam and the height at the reference
point. Apply or check the height difference measured at the target location.
When measuring on large distances, you should always set the measuring tool in
the centre of the work area and on a tri-pod in order to minimise
interference.
When working on unstable ground, mount the measuring tool on the tripod (14).
Take care that the shock-warning function is activated, in order to avoid
faulty measurements in case of ground vibrations or shock to the measuring
tool.
Overview of the rotary laser indicators
Maintenance and Service
Maintenance and Cleaning
Keep the measuring tool clean at all times.
Never immerse the measuring tool in water or other liquids. Wipe off any dirt
using a damp, soft cloth. Do not use any detergents or solvents.
The areas around the outlet aperture of the laser in particular should be
cleaned on a regular basis. Make sure to check for lint when doing this.
After-Sales Service and Application Service
Our after-sales service responds to your questions concerning maintenance and
repair of your product as well as spare parts. You can find explosion drawings
and information on spare parts at: www.bosch-pt.com
The Bosch product use advice team will be happy to help you with any questions
about our products and their accessories.
In all correspondence and spare parts orders, please always include the
10‑digit article number given on the nameplate of the product.
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham Uxbridge
UB 9 5HJ
At www.bosch-pt.co.uk you can order spare parts
or arrange the collection of a product in need of servicing or repair. Tel.
Service: (0344) 7360109
E-Mail: boschservicecentre@bosch.com
You can find further service addresses at: www.bosch-
pt.com/serviceaddresses
Disposal
Measuring tools, accessories and packaging should be re-cycled in an
environmentally friendly manner.
Do not dispose of measuring tools or batteries with household waste.
Only for EU countries:
According to the Directive 2012/19/EU on waste electrical and electronic
equipment and its transposition into national law, measuring tools that are no
longer usable, and, according to the Directive 2006/66/EC, defective or
drained bat-teries must be collected separately and disposed of in an
environmentally correct manner.
If disposed incorrectly, waste electrical and electronic equipment may have
harmful effects on the environment and human health, due to the potential
presence of hazardous substances.
Only for United Kingdom:
According to The Waste Electrical and Electronic Equipment Regulations 2013
(SI 2013/3113) (as amended) and the Waste Batteries and Accumulators
Regulations 2009 (SI 2009/890) (as amended), products that are no longer us-
able must be collected separately and disposed of in an environmentally
friendly manner.
Declaration of Conformity
Rotary laser
Article number
We declare under our sole responsibility that the stated products comply with
all applicable provisions of the directives and regulations listed below and
are in conformity with the following standards.
Technical file at: *
GRL 400 H
3 601 K61 805
2006/42/EC EN 61010-1:2010+A1:2019
2014/30/EU EN IEC 61326-1:2021
2011/65/EU EN IEC 63000:2018
Robert Bosch Power Tools GmbH
(PT/ECS)
70538 Stuttgart
GERMANY
Chairman of the Management Board
Head of Product Certification
Declaration of Conformity
Rotary laser Article number
GRL 400 H 3 601 K61 805
We declare under our sole responsibility that the stated products comply with
all applicable provisions of the regulations lis-ted below and are in
conformity with the following standards.
Technical file at: Robert Bosch Ltd. (PT/SOP-GB), Broadwater Park, North
Orbital Road, Uxbridge UB9 5HJ, United Kingdom
The Supply of Machinery (Safety) Regulations 2008
The Electromagnetic Compatibility Regulations 2016
The Restriction of the Use of Certain Hazardous Substances in Electrical and
Electronic Equipment Regulations 2012
EN 61010-1:2010+A1:2019
EN IEC 61326-1:2021
EN IEC 63000:2018
Robert Bosch Power Tools GmbH, 70538 Stuttgart, Germany represented (in terms
of the above regulations) by
Robert Bosch Limited, Broadwater Park, North Orbital Road, Uxbridge UB9 5HJ,
United Kingdom
Vonjy Rajakoba
Managing Director – Bosch UK
Martin Sibley
Head of Sales Operations and Aftersales
Robert Bosch Ltd. Broadwater Park, North Orbital Road, Uxbridge UB9 5HJ, United Kingdom, as authorised representative acting on behalf of Robert Bosch Power Tools GmbH, 70538 Stuttgart, Germany
Place of issue: Uxbridge
Date of issue: 26/06/2023
References
- Invented for life | Bosch Global
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- ЕлектроінÑтрументи Bosch | Bosch Professional
- ÐлектроинÑтрументы Bosch | Bosch Professional
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- herramientasbosch.net
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