Hilti PRA2XR01 User Manual
PRA 25
Operating instructions (draft) en
PRA 25
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.
Component parts
PRA 25 laser detector
PRA 75 laser detector holder
Contents
Page
1. General information ...........................1
2. Description .........................................2
3. Technical data ....................................2
4. Safety precautions .............................2
5. Getting started ...................................3
6. Operation ...........................................4
7. Hilti calibration service .......................4
8. Care and maintenance .......................4
9. Disposal .............................................5
10. Warranty ............................................5
11. FCC statement ....................................6
12. EC declaration of conformity ..............6
laser detector Contents / 1. General Information
1. On / off key
2. Laser detection tolerance setting key (standard or fine)
3. Key for setting the audible signal
4. Audible signal emission aperture
5. ==> the 6 additional remote control keys have to be added
6. Detection area
7. Display, front side (see detailed illustration)
8. Marking notch
9. Reference plane
10. Battery cover
11. Mounting thread
12. Display, rear side
13. Tolerance indicator (standard or fine)
14. Indicator showing position of detector relative to laser plane
15. Battery condition indicator
Detector mounting screw
16.
17. Leveling staff clamping screw
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Formatiert: Nummerierung
und Aufzählungszeichen
Formatiert: Nummerierung
und Aufzählungszeichen
1. General information
1.1 Safety notices and their meaning
- CAUTION -
This word indicates a possibly hazardous situation which could result in slight bodily injuries or damage to
property.
- NOTE -
This word indicates information to help the user employ the product efficiently, and other useful notes.
1.2 Pictograms
Warning signs
General warning
Symbols
Read the operating instructions before use.
2
2. Description / 3. Technical data / 4. Safety precautions
_ These numbers refer to the corresponding illustrations. The illustrations can be found on the fold-out
over pages. Keep these pages open when studying the operating instructions. In these operating
instructions, the PRA 20 laser detector is referred to as "the tool".
2. Description
2.1 PRA 25
The Hilti PRA 25 is designed to detect the laser beam emitted by rotating lasers.
2.2 Features
The detector can be employed as a handheld tool or may be mounted on the measuring staff, telescopic
staff or on other leveling staffs, wooden battens or frames etc. when the appropriate holder is used.
Items supplied
1 PRA 25 laser detector
1 PRA 25 operating instructions
2 batteries (size AA cells)
laser detector
3. Technical data
Range (diameter)
2 to 200m
Laser plane detection tolerance (at 10m)
Fine: ± 0.5 mm (0.02 inch)
Standard: ± 1.0 mm (0.04 inch)
Audible signal
2 volume levels or silent operation
Liquid crystal display
On both sides
Detection window
80 mm (2 3/4 inches)
Center indicator, from top edge of housing
50 mm ( 2 inches)
Marking notches
(6 to 650 ft)
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Formatiert: Englisch
(Großbritannien)
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On both sides
Automatic cut-out
The detector switches itself off after 30 min. when no laser beam is detected.
Dimensions
165x67x24mm (6.5"x2.6"x0.9" inches)
Weight
0.2 kg (0.4 lbs) including batteries
Power supply
2 x size AA batteries
Battery life at 20°C [+68°]
Alkaline batteries: > approx. 30
Operating temperature
-20° to +50°C
(-4° to +122°F)
Storage temperature
-30° to +60°C
(-22° to +140°F)
Protection class
IP 56 (as per IEC 529)
Mounting thread on detector
M5 x 10 mm (0.4 inch)
hours
4. Safety precautions
4.1 Basic information concerning safety
In addition to the information relevant to safety given in each of the sections of these operating
instructions, the following points must be strictly observed at all times.
3
4. Safety precautions / 5. Getting started
4.2 Misuse
- Modification of the tool is not permissible.
- (Requested by FCC §15.21): Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
- Observe the information printed in the operating instructions concerning operation, care and
maintenance.
- Have the tool repaired only at a Hilti service centre. Failure to follow the correct procedures when
opening the tool may cause emission of laser radiation in excess of class 2.
- Take the surrounding conditions into account. Do not use the tool where there is a risk of fire or
explosion.
4.3 Proper organization of the workplace
- Avoid unfavorable body positions when working on ladders. Make sure you have a stable stance and
stay in balance at all times.
- Measurements taken through panes of glass or other objects may be inaccurate.
- Use the tool only within its specified limits.
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