2.9 Battery condition indicator
Number of segments shown Charge status in %
4 = 100 % capacity
3 = 75 % capacity
2 = 50 % capacity
1 = 25 % capacity
0 Fully discharged
2.10 Items supplied as standard
1 PD 40 laser range meter
1 Hand strap
2 Batteries
1 Battery compartment key
1 Operating instructions
1 Manufacturer’s certificate
2.11 PUA 60 laser visibility glasses
The laser visibility glasses have no protective function and thus do not protect the eyes from laser beams. As
these glasses limit color vision they must not be worn by persons driving on a public road and must not be
used to look directly into the sun.
The PUA 60 laser visibility glasses improve laser beam visibility considerably.
2.12 PDA 50 / 51 / 52 target plate
The PDA 50 target plate is made of durable plastic with a special reflective coating. Use of the target plate is
recommended at distances greater than 10 m in poor light conditions.
The PDA 51 target plate has no reflective coating and its use is recommended in poor light conditions and at
short distances. The PDA 52 target plate is equipped with the same reflective coating as the PDA 50 but is
considerably larger in size (A4 format, 210 x 297 mm). This makes it much easier to aim the tool at the target
plate over long distances.
NOTE
For reliable distance measurements, care should be taken to ensure that the laser beam strikes the target plate
at right angles as far as possible. The laser spot on the target plate and the measuring reference point (starting
point) may otherwise be in different planes (parallax error).
NOTE
When the target plate is used and very high accuracy is required, 1.2 mm should be added to the measurement
obtained.
2.13 PDA 71 measuring extension
The measuring extension is made from aluminium and is equipped with a nonಣconductive synthetic rubber
grip. The screw on the measuring extension should be screwed into the threaded bush on the rear contact
surface of the PD 40. When the measuring extension is screwed onto the tool, the rear reference is then
relocated to the tip of the measuring extension, i.e. the rear reference is extended by 1270 mm (50 inches).
en
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