CTC II • Edition 01/2009
A2C59512809 © Continental Trading GmbH 35
Preparing for measuring
5 Preparing for measuring
Remark With the CTC II you can determine
• the characteristic coefficient "W",
• the wheel circumference and
• the K value.
Measurement can either take place on the road or on a rolling
road.
Before starting measurement, you must
Road measurement • prepare automatic or manual track measurement on the
road.
• position the light barrier (automatic measurement track)
or the test track pointer (manual measurement track) on
the vehicle.
• connect the CTC II to the tachograph and connect up the
power supply; see Chapter 2.7 "Connecting the CTC II to
a tachograph" on Page 25 and Chapter 2.6 "CTC II
power supply" on Page 20.
Rolling road • affix the reflecting strips to the driving axle tyre (on the
side on which the light barrier is located).
• determine the correction value for measurement; see
the following Chapter.
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