- ページ 3
キャッシュカウンター Diamond Traffic Products TTC-4420のPDF マニュアルをオンラインで閲覧またはダウンロードできます。Diamond Traffic Products TTC-4420 14 ページ。 Trail counter
P2
TRAIL TRAFFIC COUNTER
GENERAL DESCRIPTION
The TTC-4420 Trail Traffic Counter is a portable, battery powered instrument
for counting traffic on forest trails. The original TCS-90 design was completed
in 1972 at the Missoula Equipment Development Center, USDA Forest Service,
Missoula, Montana and was manufactured according to the U.S. Department of
Agriculture Forest Service Interim Specification for the last 13 years by
Diamond Traffic Products located in Oakridge, Oregon.