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4 Equipment description
The sections below describe each individual element of a standard Quarryman Pro system.
4.1 The Quarryman Pro
The Quarryman Pro instrument incorporates a laser module held between two pivots within a yoke. The laser
module houses the optical and electronic components that allow distance measurements to be recorded to
reflectorless targets up to 750 m from the instrument. The laser module rotates vertically within the yoke.
The yoke itself contains the vertical motor which drives the movement of the laser module between the pillars of the
yoke. It also houses the vertical encoder which measures the angle through which the laser is rotated.
The horizontal housing contains the horizontal motor which drives the rotational movement of the yoke. It also
houses the horizontal encoder which measures the angle through which the yoke is rotated.
The combination of the two axes of rotation gives the Quarryman Pro a view that encompasses 360° horizontal and
135° vertical rotations. The yoke itself prevents the laser from viewing a 90° sector of the vertical rotational axis
looking down to the ground beneath the instrument.
Laser module
Telescope
System ‘power
on’ indicator light
Levelling bubble
Yoke
USB port
Horizontal
housing
Tribrach
Power
connector
Carrying handle
with GPS mount
Figure 2 Component parts of the Quarryman Pro
Summary of Contents for Quarryman Pro
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