Grading Applications
Motorgrader System Five Operator’s Manual
5-2
Sonic Stringline provides an inexpensive, easy to set up, continuous
reference that takes the best advantage of the non-contacting feature
of the Sonic Tracker II. By taking a few minutes to set up a stringline
the Tracker can transfer grade to the operator 39 times per second!
And not just at the stakes, but along the entire road section. The
stringline also becomes a great visual reference for the job. Any
mistakes in a hub elevation can be quickly spotted by just sighting
down the string.
NOTICE
NOTICE
Although Topcon's Sonic Tracker will work with many sizes
and types of stringline, for best results we recommend 1/8
inch diameter nylon stringline. If the Tracker will track the
ground, but will not track a 1/8 inch diameter stringline,
clean or replace the transducer.
Available From Your Topcon Dealer:
TOPCON Part # Description
7020-0101 Sonic Stringline, 1000' Roll
7020-0121 Sonic Grade Clips, Box of 100
7000-1026 Cut/Fill Offset Tape (Feet Tenths)
7000-1027 Cut/Fill Offset Tape (Metric)
9210-1013 Stringline Laser Bracket
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