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PL1 Tilting level
Meets first-order
specifications for repeatability of line of sight.
Accuracy is ensured by the
tubular vial, sensitive to 10 seconds / 2mm.
A "coincidence system" makes it
easy to center the bubble.
The optical parallel plate
micrometer reads to .001 in. (0.1mm).
Choose either inch-reading or
metric
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B20/B21
Automatic levels
Achieve an accuracy of
± .004 ft. in one mile of double-run leveling with the B20; the B21 provides
an accuracy of ± .006 ft. You can even improve on those numbers with an
optional micrometer!
The endless tangent horizontal
drive allows fast, precise operation.
A collimator-type sight lets
you quickly and accurately point the instrument.
Horizontal circles are
graduated in degrees to 360°.
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B1/B1C Automatic levels
Achieve an accuracy of
± .003 ft. in 1 mile of double-run leveling (± .002 ft. with the optional
OM1F parallel plate micrometer).
Two-speed focusing lets you
sight faster than other levels.
A collimator-type peep-sight
ensures quick, accurate pointing.
The B1Cs horizontal glass
circle is read optically through the micro scopedirect to 10', and by
estimation to 1'. Circle is graduated in degrees to 360°
Prices on request |
Automatic Surveyors Levels
