Care And Maintenance; Cleaning And Drying; Transport; Calibration And Adjustment - Hilti PD 40 Mode D'emploi

5. Press the "Measure" button.
The second distance is then measured, the area
calculated immediately and the result is displayed
in the result line.
Both distances used for the area calculation are
shown in the intermediate result lines and can be
noted down conveniently at the end of the operation.
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8 Care and maintenance

8.1 Cleaning and drying

1. Blow dust off the lenses.
2. Do not touch the glass or the filter with the fingers.
3. Use only a clean, soft cloth for cleaning. If necessary,
moisten the cloth slightly with pure alcohol or a little
water.
NOTE Do not use any other liquids as these may
damage the plastic components.
4. The temperature limits for storage of your equipment
must be observed, especially in winter / summer.
8.2 Storage
Remove the tool from its case if it has become wet.
The tool, its carrying case and accessories should be
cleaned and dried (at maximum 40°C / 104°F). Repack
the equipment only once it is completely dry.
Check the accuracy of the equipment before it is used
after a long period of storage or transportation.
Remove the batteries from the tool before storing it for a
long period. Leaking batteries may damage the tool.

8.3 Transport

Use the Hilti toolbox or packaging of equivalent quality
for transporting or shipping your equipment.
CAUTION
Always remove the batteries before shipping the tool.

8.4 Calibration and adjustment

8.4.1 Calibration
Monitoring of measuring equipment for users certified in
accordance with ISO 900X: As specified in ISO 900X, you
may carry out the inspection and testing of the PD 40 laser
range meter yourself (see ISO 17123-4: Field Process for
Accuracy Examination of Geodetic Instruments: Part 6,
Close-range Opto-electrical Range Meters).
1. Select a readily accessible measuring distance of a
known length (approx. 1 to 5 meters / 3 to 15 feet)
which does not change over time and measure the
same distance 10 times.
26
6. The C-button can be pressed at any time to stop
the measuring operation. Each measurement can
then be cleared, one after the other, and measuring
restarted.
NOTE If the C-button is pressed several times or the
FNC-button is pressed, the function will be canceled
or, respectively, restarted.
NOTE If the second distance is measured using
continuous measuring mode (tracking), the result of
the area calculation is updated continuously. This
allows parts of the area to be included/excluded.
NOTE After calculation of an area, the "Plus" button
can be pressed to add another area or, respectively,
the "Minus" button used to subtract an area.
2. Determine the mean deviation from the known dis-
tance. This value should be within the specified
accuracy tolerance for the tool.
3. Keep a record of this value and note the date when
the next test is due.
Repeat this test at regular intervals as well as before
and after important measuring tasks.
Apply a test and inspection confirmation sticker to
the PD 40 and keep a record of the entire monitoring,
test and inspection procedure and the results.
Please refer to the technical data contained in the
operating instructions and the information concern-
ing measuring accuracy.
8.4.2 Adjustment
To ensure that the laser range meter is adjusted correctly,
we recommend that it is returned to a Hilti Service Center
for calibration. Accurate adjustment of the tool will be
confirmed by a calibration certificate.
8.4.3 Hilti calibration service
We recommend that the tool is checked by the Hilti cal-
ibration service at regular intervals in order to verify its
reliability in accordance with standards and legal require-
ments.
Use can be made of the Hilti calibration service at any
time, but checking at least once a year is recommended.
The calibration service provides confirmation that the
tool is in conformance, on the day it is tested, with the
specifications given in the operating instructions.
The tool will be readjusted if deviations from the man-
ufacturer's specification are found. After checking and
adjustment, a calibration sticker applied to the tool and
a calibration certificate provide written verification that
the tool operates in accordance with the manufacturer's
specification.
Calibration certificates are always required by companies
certified according to ISO 900x.
Your local Hilti Center or representative will be pleased
to provide further information.