SUUNTO PM5 - Manual (Page 9)

8
PM-5
OPTICAL READING CLINOMETER
The sturdy pocket-size construction renders the
SUUNTO CLINOMETER most suitable for every type of
work. Easy for rapid reading through a parallax-free
lens is incorporated into the design.
Sighting and scale reading are done simultaneously.
There are no screws to turn, no bubbles to center, and
nothing to adjust.
Where space is limited, as in geological and
mineralogical work, the inclination of strata and other
formations can be read placing the instrument along the
contour or surface of the formation and reading the
angle directly through the side window.
Construction features
The framework is of corrosion resistant light-weight
aluminum.
The scale card is supported by a jewel bearing
assembly and all moving parts are immersed in a
damping liquid inside a high strength hermetically
sealed plastic container. The liquid dampens all undue
scale vibrations and permits a smooth shockless
movement of the scale card.
The material of the container is not attacked by sunlight or water. The liquid does not
freeze in the arctic or evaporate in the tropics.
+ and –
ft. scales
Additional
degree scale
in side window
Cross-hair
extended by
optical illusion
+ and –
degree scales