Hilti PRA25 User Manual
PRA25
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Operating instructions en
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en
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.
PRA 25 laser detector
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. Technical data 2
4. Safety precautions 2
5. Before use 3
6. Operation 4
7. Hilti calibration service 6
8. Care and maintenance 6
9. Disposal 7
10. Warranty 7
11. FCC statement 8
12. EC declaration of conformity 8
Component parts
PRA 25 laser detector
Control panel
Audible signal emission aperture
Detection area
Display, front side (detailed illustration)
Marking notch
Reference plane
Battery compartment cover
Mounting thread
Display, rear side
On/off key
Sensitivity selector key (standard or high
sensitivity)
Audible signal selector key
Direction adjustment key
Manual/auto alignment key
Line laser function key
Rotation speed selector key
Sensitivity indicator (standard or high)
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 PRA 25 laser detector 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: PRA 25
Serial no.:
Warning signs
Read the operating
instructions before use.
Symbols
General
warning
Indicator showing position of detector relative to
laser plane
Line laser function indicator
Beam catcher mode indicator
T
Rotation speed indicator
Z
Error indicator
U
Battery condition indicator
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