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OBJ_DOKU-27449-001.fm Page 19 Monday, July 18, 2011 10:31 AM
Digital Laser Rangefinder
Dimensions
Degree of protection (excluding battery com-
partment)
A) The working range increases depending on how well the laser light is reflected from the sur-
face of the target (scattered, not reflective) and with increased brightness of the laser point to
the ambient light intensity (interior spaces, twilight). In unfavourable conditions (e.g. when
measuring outdoors at intense sunlight), it may be necessary to use the target plate.
B) In unfavourable conditions (e.g. at intense sunlight or an insufficiently reflecting surface),
±
the maximum deviation is
10 mm per 50 m. In favourable conditions, a deviation influence
±
of
0.05 mm/m must be taken into account.
C) In the continuous measurement function, the maximum operating temperature is +40 °C.
D) Less measurements are possible when using 1.2 V rechargeable batteries than with 1.5 V
batteries.
Please observe the article number on the type plate of your measuring tool. The trade names
of the individual measuring tools may vary.
The measuring tool can be clearly identified with the serial number 21 on the type plate.
Assembly
Inserting/Replacing the Battery
Using alkali-manganese or rechargeable batteries is recommended for operation
of the measuring tool.
Less measurements are possible when using 1.2 V rechargeable batteries than
with 1.5 V batteries.
To open the battery lid 18, press the latch 17 in the direction of the arrow and
remove the battery lid. Insert the batteries/rechargeable batteries. When insert-
ing, pay attention to the correct polarity according to the representation on the
inside of the battery compartment.
When the battery symbol
appears for the first time on the display, at least
100 measurements are still possible. When the battery symbol flashes, the bat-
teries/rechargeable batteries must be replaced; measurements are no longer
possible.
Always replace all batteries/rechargeable batteries at the same time. Do not use
different brands or types of batteries/rechargeable batteries together.
Remove the batteries/rechargeable batteries from the measuring tool
when not using it for longer periods. When storing for longer periods, the
batteries/rechargeable batteries can corrode and discharge themselves.
Operation
Initial Operation
Do not leave the switched on measuring tool unattended and switch the
measuring tool off after use. Other persons could be blinded by the laser beam.
Protect the measuring tool against moisture and direct sun light.
Do not subject the measuring tool to extreme temperatures or variations
in temperature. As an example, do not leave it in vehicles for longer periods.
In case of large variations in temperature, allow the measuring tool to adjust
to the ambient temperature before putting it into operation. In case of ex-
treme temperatures or variations in temperature, the accuracy of the measur-
ing tool can be impaired.
Avoid heavy impact to or falling down of the measuring tool. After severe
exterior effects to the measuring tool, it is recommended to carry out an accu-
racy check (see "Accuracy Check of the Measuring Tool", page 24) each time
before continuing to work.
Bosch Power Tools
English | 19
PLR 50
58 x 104 x 36 mm
IP 54 (dust and splash water
protected)
2 609 140 621 | (18.7.11)
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