Product Manual

2.1 MODEL SERIES 10 AND 20
Note: Series 10 and 20 planimeters are identical except for tracer arm length.
2.2 Model Series 30
Shown: L 10
Pole Weight
Pole Arm
Planimeter Body
Vernier
Tracer Lens
Tracer Needle
(N-Model)
(L-Model)
Tracer Arm
Fixed
Fixed
Measuring Wheel
Counting Dial
Zero
Setting
Wheel
a teflon washer is attached
to the bottom of the lens tracer.
For smoothness of operation
It can be replaced by the user.
(order Part No. 14C)
TP
Tracer Point
Tracer Guide screws into the needle
tracer to adjust needle clearance
Fig. 3
Dial Index Point
Pole Weight
Adjustable Pole Arm
Adjustable Tracer Arm
Tracer Lens
(L-Models)
Tracer Needle
( N-Models)
Stop Pin
Pin for Arm Tilt
Tracer Arm Fine Adjustment
Zero
Setting
Wheel
Counting
Dial
Clamp Screw
Measuring Wheel
Mea.Wheel Vernier
Arm Vernier
Tracer Point TP
Fig. 4
L 30 models are
equipped with a rotat-
ing tracer assembly to
assure more positive
contact with the mea-
suring surface.
Page 2
2. THE POLAR PLANIMETER AND ITS COMPONENTS