Hilti PR2XR01 Users Manual
Hilti Corporation
FL-9494 Schaan
Tel.: +423/234 2111
Fax: +423 /234 2965
www.hilti.com
Hilti = registered trademark of Hilti Corp., Schaan W 3049 1004 10-Pos. 1 1 Printed in Liechtenstein © 2004
Right of technical and programme changes reserved S. E. & O.
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PR25
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Bedienungsanleitung de
Operating instructions en
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It is essential that the operating instructions
are read before the tool is used the first
time.
Always keep these operating instructions
together with the tool.
Ensure that the operating instructions are
with the tool when it is given to other
persons.
PR 25 rotating laser
1. General information
1.1 Safety notices and their meaning
-CAUTION-
Draws attention to a potentially dangerous situation that
could lead to minor personal injury or damage to the
equipment or other property.
-NOTE-
Draws attention to instructions and other useful information.
1.2 Pictograms
Contents Page
1. General information 1
2. Description 2
3. Accessories 2
4. Technical data 3
5. Safety precautions 3
6. Before use 5
7. Operation 6
8. Checks/adjustment 8
9. Care and maintenance 9
10. Disposal 9
11. Warranty 10
12. FCC statement 10
13. EC declaration of conformity 11
Component parts
PR 25 rotating laser
Laser beam (plane of rotation)
Rotating head
Control panel
Grip
Battery compartment
Base plate with
5
/8″thread
Control panel
On/off button
Shock warning deactivation key
Rotation speed control key
Line function key
Direction keys (left/right)
Servo keys (set X/Y inclination/direction)
Auto leveling LED
Shock warning deactivation LED
Battery LED
X-inclination/direction LED
Y-inclination/direction LED
PRA 25 laser receiver
These numbers refer to the corresponding illustrations. The illustrations can be found on the fold-out cover
pages. Keep these pages open when studying the operating instructions.
In these operating instructions, the PR 25 rotating laser
is referred to as “ the tool”.
Location of identification data on the tool
The type designation and serial number can be found
on the type plate on the tool. Make a note of this data in
your operating instructions and always refer to it when
making an enquiry to your Hilti representative or service department.
Type: PR 25
Serial no.:
Warning signs
Read the operating
instructions before use.
Symbols
General warning
Laser radiation
Do not stare into the beam.
Laser class 2 in accordance with EN 60825-1:2003
Do not stare into the beam or look directly into the beam
with other optical instruments.
Laser class 3A in a accordance with EN 60825-1:2003
CLASS II LASER PRODUCT
620-690nm/0.95mW max.
LASER RADIATION - DO NOT
STARE INTO BEAM
1/4
s
2
CLASS IIIa LASER PRODUCT
620-690nm/2.45mW max.
LASER RADIATION - DO NOT STARE INTO
BEAM OR VIEW DIRECTLY WITH
OPTICAL INSTRUMENTS
3A
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2. Description
2.1 PR 25 rotating laser
The PR 25 is a rotating laser featuring a visible rotating
laser beam plus a point laser beam set at 90° to the rotating beam, which can be used to indicate the vertical,
horizontal or inclined planes.
2.2 Features
The tool allows a single person to level or align in any
plane quickly and with great accuracy.
Automatic leveling (within ±5° inclination): The tool levels itself automatically after switching on. The laser beam
is emitted only when the specified accuracy has been
achieved.
LEDs indicate the tool's operating status.
Speed of rotation
The tool features 4 speeds of rotation. These are: stationary spot (zero rotation), slow rotation, mediumspeed rotation and fast rotation.
It is possible to switch between functions such as “Rotating laser” and “Line laser”. This can be done from the
PR25 rotating laser or by way of the PRA 25 (combined
laser receiver and remote control unit).
Shock warning
The built-in shock warning function becomes active one
minute after switching on: The tool switches to warning
mode (all LEDs blink, laser stops rotating) when brought
out of level as a result of vibration or an impact during
operation. All LEDs blink and the laser stops rotating.
Automatic cut-out
If movement of the mechanism is physically impeded
or the tool is set up outside its self-leveling range, the
laser remains switched off and all LEDs blink.
The tool can be set up on a tripod with a
5
/8″ thread or
stood directly on some other steady surface (free of
vibration).
-NOTE-
In some versions sold, the PRA 25 is not supplied as
standard with the PR 25. In this case, the functions can
be controlled directly from the PR 25 rotating laser itself
(excluding auto alignment/surveillance, which is possible only in conjunction with the PRA 25).
2.3 Description of functions
2.3.1 Horizontal plane (automatic leveling)
When switched on, the tool levels itself automatically by
way of the 2 built-in servo motors for the X- and Y-directions.
2.3.2 Inclined plane (any desired inclination)
Inclination can be set up in alignment with given marks
by pressing the X- and Y-keys on the PRA 25 or PR 25.
2.3.3 Automatic cut-out
During automatic leveling in one or both directions, the
servo system monitors compliance with the specified
accuracy.
The tool switches itself off in the following situations:
– Leveling is not accomplished (tool set up outside
its leveling range or the mechanism is physically
impeded).
– The tool is brought out of level (due to vibration or im-
pact).
After automatic cut-out, rotation of the laser beam stops
and all LEDs blink.
Items supplied
1 PR 25 rotating laser
1 PRA 25 laser receiver*
1 PR 25 operating instructions
1 PRA 25 operating instructions*
1 PR 25/PRA 25 operating instructions*
1 PRA 50/1 target plate
1 producer certificate
3 batteries (size D cells)
2 batteries (size AA cells)
1 Hilti case
* Depending on the version purchased, this may not be
included in the items supplied.
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