Hilti P 20 User Manual
PD 20
Operating instructions
*334057*
334057
Operating instructions Contents
PD 20 laser range meter
In addition to the instructions for use,
this manual also contains important
safety information (see “Safety
precautions” section).
Please read these instructions
carefully before using the product.
Symbols
The symbols used in these operating
instructions have the following meanings:
Warning
Operating risk or misuse which may
lead to serious personal injury or
death.
Caution
Operating risk or misuse which may
lead to only minor personal injuries,
but to serious material, property or
environmental damage.
Information to help the operator use
the product in a technically correct
and efficient manner.
Product identification
The type designation and serial number can be
found on a name plate attached to the rear of
the product. Make a note of this information in
the operating instructions and always refer to it
when addressing any enquiries to our agents or
service department.
Type: PD 20 Serial no.:
1. Product information ............................. 5
Description of functions .................................. 5
Display and control panel ............................... 7
Symbols displayed ............................... 7
Button functions .................................... 8
Instructions at a glance .................................. 9
Technical data ...............................................11
Items supplied .............................................. 13
2. Safety information .............................. 14
Please read this now! ................................... 14
Purpose ........................................................ 14
Intended uses ..................................... 14
Examples of misuse ........................... 14
Operating limits ............................................ 15
Division of responsibilities ............................ 15
Operating risks ............................................. 16
Disposal ....................................................... 20
Laser classification ....................................... 21
Information plate .......................................... 22
Electromagnetic compatibility (EMC) ........... 24
3. Operation ............................................. 25
Inserting the batteries ........................... 25
Menu selection and setting ................... 26
Menu overview ................................... 26
rEF menu / reference point ................. 26
CONST menu / constants .................. 27
Light menu / display illumination ........ 27
dELAY menu / self-timer ..................... 27
bEEP menu / beep sound .................. 28
Unit menu / measurement units ......... 28
4. Working with the PD 20 ...................... 29
Measuring distances .................................... 29
Measuring using the spike .................. 30
Continuous measurement (tracking) .. 31
Measuring using the self-timer ........... 32
Measuring with the aid of a target object
33
23
continued
Contents 1. Product information
4. Working with the PD 20, continued
Taking measurements from various
surfaces .............................................. 34
Using the calculation functions .................... 35
Adding / subtracting (distances) ......... 35
Multiplication (areas / volumes) .......... 36
Calculating with Pythagoras ............... 38
Calculating using a constant value ..... 40
5. Care, transportation and storage ...... 41
Cleaning and drying ..................................... 41
Storage ........................................................ 41
Transportation .............................................. 41
6. Symbols displayed ............................. 42
7. Measuring equipment inspection ..... 43
8. Accessories ........................................ 44
Batteries ....................................................... 44
Target plates ................................................ 44
Laser sighting glasses ................................. 44
9. FCC statement (applicable in US) ..... 45
10. EC declaration of conformity ............ 46
11. Warranty .............................................. 47
1. Product information
Description of functions
The Hilti PD 20 is a laser range meter. It makes
use of a laser beam to measures distances
within the 0.3 m - 100m range with great
precision and without physical contact.
3
2
1
6
5
4
7
8
1 Laser exit aperture
2 Display
3 Control panel
4 Receiving lens
5 Plastic casing
6 Bubble level
7 Battery compartment
8 Spike (folding)
9 Two tripod mounting threads
45
9
continued
1. Product information
Description of functions, continued
The point from which the measurement is taken
is clearly identified by the red spot. The range of
the tool depends on the reflectance and surface
finish at the point where the measurement is
taken. The reference point on the tool can be
selected for different types of measurements.
Distances between
0.3 and 30 m
- Target the object directly.
- Use the white target plate.
1. Product information
Display and control panel
Symbols displayed
Reference points on the tool
Front edge of the tool
Tripod thread axis
Rear edge of the tool
(standard setting)
End of the spike (e.g. for taking
measurements from the corner of a
room)
Distances between
30 and 100 m
- Use the brown target plate.
Features
- Compact and functional design
- Simple, self-explanatory menu selection and
menu settings
- One-man, hand-held operation for speed of
use
- Large display (can be illuminated)
- Memory function for constants
- Built-in calculator functions
- Pythagoras button for rapid calculation of
building heights
- Switches off automatically
- The last three measured values remain in
memory
- Built-in bubble level
- Tripod mounting threads
67
Mathematical functions
Addition
Subtraction
Multiplication
Pythagoras
Error messages
Signal received is too weak or too
powerful.
Ambient light too bright
Contact a Hilti service department.
Operating temperature range of the
tool is exceeded
Batteries almost discharged
Tracking (continuous measurement mode)
activated
continued
1. Product information
Display and control panel, continued
Button functions
Display
Select menu
1. Product information
Instructions at a glance
2x
Measure
Calculate
Switch on / off
Recall last measured values (max. 3)
Scroll through active menu
Menu select / exit (rEF/CONSt/Light/
dELAY/bEEP/UNIT).
Recall last measured values (max. 3)
Scroll through active menu
Measure distance or start tracking
Addition
Subtraction
Multiplication
Pythagoras (calculates length of
opposite side of right-angled triangle)
Start calculation or reset display
LASER
- - - - -
2.326 m
Switch tool on / off
89
continued
1. Product information
Instructions at a glance, continued
0.3 - 30 m: 30 - 100 m:
ft in
m
ft in
m
ft in
m
ft in
m
s
rEF
CONSt
Light
dELAY
bEEP
UNIT
0.000 ...
999.999 m
OFF / ON / Auto
0/2/5/10/20 s
Auto/ON/OFF
m / in / ft in
10 11
1. Product information
Technical data
Measuring range
Measuring time
3
m/m2/m
ft in
sq.ft /in
Accuracy
h!
a
Beam diameter
Operating modes
Operating status indicator
Laser Visible, 620 - 690 Nm, laser class 2
Power supply (3 V DC)
0.3 to over 100 m*
Typical measuring range without
target plate
Drywall panel, white 60 m
Concrete, dry 50 m
Brick, dry 50 m
*Maximum range depends on
reflectance of the target surface and
on the brightness of ambient light. If
difficulty is experienced (no measurement possible), the Hilti PA411 target
plate should be used.
0.5 to approx. 4 sec. in individual
measurement mode
0.16 to approx. 1 sec. in continuous
measurement mode (tracking)
± 3 mm individual measurement @ 23° C
(± 0.1
"
individual measurement @ 73° F)
± 5 mm @ 0°C ... + 50°C
(± 0.2" @ + 32 °F ... + 122°F)
± 7 mm @ - 10°C ... + 50°C
(± 0.3" @ 14 °F ... 122°F)
< 6 mm @ 10 m (< 0.2" @ 30 ft)
< 30 mm @ 50 m (< 1.2" @ 150 ft)
< 60 mm @ 100 m (< 2.4" @ 300 ft)
• Individual measurement
• Continuous measurement
• Pre-set distance
• Calculation
Liquid crystal display indicating
individual operating modes and
operating status
(IEC825-1), class II (FDA21 CFR)
Power output: <1 mW
Battery type: AA (LR6, AM3,
Standard: 2 alkaline primary cells
Optional: NiCd rechargeable
round cell R6)
continued
Technical data, continued
Battery life at 25
° C [+ 77° F]
No. of measurements with a duration
of five seconds
Alkaline: 4000
NiCd: 2000
1. Product information
1. Product information
Items supplied
12
PD20
Battery condition
Operating temperature
Storage temperature
Protection class
Mounting points
Weight 380 g (without batteries)
Dimensions
Illustration showing
dimensions [mm]
A warning is displayed when battery
voltage is low.
- 10 °C ... + 50°C (14°F ... 122°F)
- 30 °C ... + 70°C (- 22°F ... 158°F)
Dust and splash-proof
IP 54 as per IEC 529 standard
1/4'’ Whitworth internal thread
One on the side and one underneath
(Standard camera tripod thread)
165 x 67 x 47 mm
(6.5'’ x 2.6'’ x 1.8'’)
3
4
No. Qty. Designation
1 1 PD 20 laser range meter
2 1 Operating instructions
3 2 Batteries, type AA
4 1 Carrying case
12 13
2. Safety information
2. Safety information
Please read this now!
This information is intended to enable owners
and users of the Hilti PD 20 to identify any
operating risks in good time, i.e. to eliminate any
such risks in advance where possible.
The owner of the tool must ensure that these
instructions are understood and followed by all
users.
Purpose
Intended uses
The Hilti PD 20 is intended for the following
range of applications:
• Measuring distances
• Calculating areas, volumes and remote
heights (side of right-angled triangle)
• Addition and subtraction of distances
Examples of misuse
• Use of the product without prior instruction
• Use of the product outside its operating limits
• Rendering safety devices ineffective or
removing notices and warning signs
• Opening the product unless expressly
permitted in certain cases (e.g. to replace the
batteries)
• Making conversions or modifications to the
product
• The use of accessories from other
manufacturers not explicitly approved by Hilti
• The use of a product known to have been
stolen
• Deliberately dangerous or careless behaviour
on scaffolding, when climbing ladders or
when taking measurements in the vicinity of
operating machinery or the exposed parts of
machines or other equipment
• Aiming the product directly at the sun
• Deliberately dazzling other persons
2. Safety information
Intended use, continued
WARNING
Misuse may lead to injury, malfunction
and damage to property. The owner
must inform the user of the operating
risks associated with the equipment
and the corresponding safety
precautions. The PD 20 laser range
meter may be operated only when the
user has received prior instruction.
Operating limits
See “Technical data” section.
Environment
The product is suitable for use in atmospheres
permanently habitable by humans. It must not
be used in corrosive or explosive environments.
Exposure to rain for short periods during use is
permissible.
Division of responsibilities
Responsibility of the manufacturer of
the original equipment, Hilti Corporation,
FL 9494 Schaan (subsequently referred to
as “Hilti”)
Hilti is responsible for supplying a technically
safe product in faultless condition, including
operating instructions and original accessories.
The responsibility of other manufacturers
supplying accessories
The manufacturers of accessories (not supplied
by Hilti) for the Hilti PD 20 are responsible for
the development, implementation and
communication of safety strategies for their
products and the interaction of the latter with the
Hilti product.
14 15
continued
continued
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